/* ======================================================
   AgriSmart AI — Global Design System
   ====================================================== */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&family=Playfair+Display:wght@700;800&display=swap');

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Primary palette */
  --clr-primary: #0B6E4F;
  --clr-primary-light: #14A76C;
  --clr-primary-dark: #064E36;
  --clr-primary-glass: rgba(11, 110, 79, .12);

  /* Accent */
  --clr-accent: #F2A900;
  --clr-accent-light: #FFCB47;
  --clr-accent-dark: #C78C00;

  /* Neutrals */
  --clr-bg: #F5F7F2;
  --clr-surface: #FFFFFF;
  --clr-surface-alt: #EAF0E4;
  --clr-text: #1A2E1A;
  --clr-text-muted: #5A6F5A;
  --clr-text-light: #8A9F8A;
  --clr-border: #D4DFD0;
  --clr-dark-bg: #0D1F17;
  --clr-dark-surface: #142B1F;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, .06), 0 1px 2px rgba(0, 0, 0, .04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, .07), 0 2px 6px rgba(0, 0, 0, .05);
  --shadow-lg: 0 12px 36px rgba(0, 0, 0, .10), 0 4px 12px rgba(0, 0, 0, .06);
  --shadow-xl: 0 24px 60px rgba(0, 0, 0, .14);

  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 22px;
  --radius-xl: 32px;
  --radius-full: 9999px;

  /* Transitions */
  --transition-fast: .2s cubic-bezier(.4, 0, .2, 1);
  --transition-med: .35s cubic-bezier(.4, 0, .2, 1);
  --transition-slow: .5s cubic-bezier(.4, 0, .2, 1);

  /* Layout */
  --max-width: 1200px;
  --section-pad: 100px 0;
}

/* ---------- Reset ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: 'Inter', system-ui, sans-serif;
  color: var(--clr-text);
  background: var(--clr-bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul {
  list-style: none;
}

button,
input,
textarea,
select {
  font: inherit;
}

/* ---------- Container ---------- */
.container {
  width: 90%;
  max-width: var(--max-width);
  margin: 0 auto;
}

/* ---------- Typography ---------- */
.section-label {
  display: inline-block;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--clr-primary);
  background: var(--clr-primary-glass);
  padding: 6px 18px;
  border-radius: var(--radius-full);
  margin-bottom: 18px;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2rem, 4vw, 3.2rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--clr-text);
  margin-bottom: 18px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--clr-text-muted);
  max-width: 640px;
  line-height: 1.8;
}

.text-center {
  text-align: center;
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: .95rem;
  padding: 14px 32px;
  border: none;
  border-radius: var(--radius-full);
  cursor: pointer;
  transition: all var(--transition-fast);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(255, 255, 255, .25), transparent);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.btn:hover::after {
  opacity: 1;
}

.btn-primary {
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
  color: #fff;
  box-shadow: 0 4px 20px rgba(11, 110, 79, .35);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(11, 110, 79, .45);
}

.btn-outline {
  background: transparent;
  color: var(--clr-primary);
  border: 2px solid var(--clr-primary);
}

.btn-outline:hover {
  background: var(--clr-primary);
  color: #fff;
}

.btn-accent {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-light));
  color: var(--clr-text);
  box-shadow: 0 4px 20px rgba(242, 169, 0, .3);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(242, 169, 0, .4);
}

.btn-white {
  background: #fff;
  color: var(--clr-primary);
  box-shadow: var(--shadow-md);
}

.btn-white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

/* ==========================================
   HEADER / NAVIGATION
   ========================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  background: rgba(245, 247, 242, .85);
  border-bottom: 1px solid var(--clr-border);
  transition: all var(--transition-med);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 76px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: 'Playfair Display', serif;
  font-weight: 800;
  font-size: 1.45rem;
  color: var(--clr-primary);
}

.nav-logo svg {
  width: 36px;
  height: 36px;
}

.nav-links {
  display: flex;
  gap: 6px;
}

.nav-links a {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-weight: 500;
  font-size: .92rem;
  transition: all var(--transition-fast);
  color: var(--clr-text);
}

.nav-links a:hover,
.nav-links a.active {
  background: var(--clr-primary-glass);
  color: var(--clr-primary);
}

.nav-cta {
  margin-left: 12px;
}

.hamburger {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  width: 32px;
  height: 32px;
  position: relative;
}

.hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  position: absolute;
  left: 4px;
  transition: all var(--transition-fast);
}

.hamburger span:nth-child(1) {
  top: 8px;
}

.hamburger span:nth-child(2) {
  top: 15px;
}

.hamburger span:nth-child(3) {
  top: 22px;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg);
  top: 15px;
}

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

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg);
  top: 15px;
}

/* Mobile nav */
.mobile-menu {
  display: none;
  position: fixed;
  top: 76px;
  left: 0;
  width: 100%;
  background: rgba(245, 247, 242, .98);
  backdrop-filter: blur(18px);
  padding: 24px;
  border-bottom: 1px solid var(--clr-border);
  flex-direction: column;
  gap: 8px;
  transform: translateY(-20px);
  opacity: 0;
  transition: all var(--transition-med);
}

.mobile-menu.open {
  display: flex;
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu a {
  padding: 14px 20px;
  border-radius: var(--radius-md);
  font-weight: 500;
  font-size: 1rem;
  color: var(--clr-text);
}

.mobile-menu a:hover {
  background: var(--clr-primary-glass);
  color: var(--clr-primary);
}

/* ==========================================
   HERO
   ========================================== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: linear-gradient(160deg, #0D1F17 0%, #0B3D2E 50%, #0B6E4F 100%);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: .35;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(13, 31, 23, .6) 0%, rgba(11, 110, 79, .15) 100%);
}

.hero-particles {
  position: absolute;
  inset: 0;
  overflow: hidden;
}

.hero-particles span {
  position: absolute;
  width: 4px;
  height: 4px;
  background: rgba(255, 255, 255, .3);
  border-radius: 50%;
  animation: float-up 8s infinite ease-out;
}

@keyframes float-up {
  0% {
    transform: translateY(100vh) scale(0);
    opacity: 0;
  }

  10% {
    opacity: 1;
  }

  90% {
    opacity: 1;
  }

  100% {
    transform: translateY(-10vh) scale(1);
    opacity: 0;
  }
}

.hero-content {
  position: relative;
  z-index: 2;
  padding: 140px 0 100px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-text h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.6rem, 5vw, 4.2rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.12;
  margin-bottom: 24px;
}

.hero-text h1 .highlight {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-text p {
  font-size: 1.15rem;
  color: rgba(255, 255, 255, .78);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 520px;
}

.hero-btns {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, .15);
}

.hero-stat h3 {
  font-size: 2rem;
  font-weight: 800;
  color: var(--clr-accent);
}

.hero-stat p {
  font-size: .85rem;
  color: rgba(255, 255, 255, .6);
  margin-bottom: 0;
}

.hero-visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-card {
  background: rgba(255, 255, 255, .08);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255, 255, 255, .12);
  border-radius: var(--radius-lg);
  padding: 40px;
  width: 100%;
  max-width: 460px;
}

.hero-card img {
  border-radius: var(--radius-md);
  width: 100%;
}

.hero-card-stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 24px;
}

.hc-stat {
  background: rgba(255, 255, 255, .06);
  border-radius: var(--radius-sm);
  padding: 16px;
  text-align: center;
}

.hc-stat .icon {
  font-size: 1.5rem;
  margin-bottom: 6px;
}

.hc-stat h4 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
}

.hc-stat p {
  font-size: .78rem;
  color: rgba(255, 255, 255, .6);
}

/* ==========================================
   SECTIONS (GENERAL)
   ========================================== */
.section {
  padding: var(--section-pad);
}

.section-dark {
  background: var(--clr-dark-bg);
  color: #fff;
}

.section-dark .section-title {
  color: #fff;
}

.section-dark .section-subtitle {
  color: rgba(255, 255, 255, .65);
}

.section-alt {
  background: var(--clr-surface-alt);
}

/* ---------- Problems Grid ---------- */
.problems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.problem-card {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--clr-border);
  transition: all var(--transition-med);
  position: relative;
  overflow: hidden;
}

.problem-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
  transform: scaleX(0);
  transition: transform var(--transition-med);
}

.problem-card:hover::before {
  transform: scaleX(1);
}

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

.problem-icon {
  width: 56px;
  height: 56px;
  background: var(--clr-primary-glass);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.problem-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.problem-card p {
  font-size: .93rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* ---------- Features Grid ---------- */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.feature-card {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--clr-border);
  transition: all var(--transition-med);
  position: relative;
  overflow: hidden;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--clr-primary);
}

.feature-number {
  font-size: 3.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--clr-primary-glass), transparent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 16px;
}

.feature-icon {
  width: 64px;
  height: 64px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 22px;
  box-shadow: 0 6px 20px rgba(11, 110, 79, .25);
}

.feature-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-card p {
  font-size: .93rem;
  color: var(--clr-text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

.feature-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.feature-tag {
  font-size: .75rem;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  background: var(--clr-primary-glass);
  color: var(--clr-primary);
}

/* ---------- Benefits / Stats ---------- */
.benefits-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  margin-top: 48px;
}

.benefit-card {
  text-align: center;
  padding: 40px 24px;
  background: rgba(255, 255, 255, .05);
  border: 1px solid rgba(255, 255, 255, .08);
  border-radius: var(--radius-lg);
  transition: all var(--transition-med);
}

.benefit-card:hover {
  transform: translateY(-6px);
  background: rgba(255, 255, 255, .1);
  border-color: rgba(255, 255, 255, .15);
}

.benefit-icon {
  font-size: 2.5rem;
  margin-bottom: 16px;
  display: block;
}

.benefit-card h3 {
  font-size: 2.2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 8px;
}

.benefit-card p {
  font-size: .9rem;
  color: rgba(255, 255, 255, .6);
}

/* ---------- Workflow / How It Works ---------- */
.workflow-section {
  padding: var(--section-pad);
}

.workflow-img {
  margin-top: 48px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}

.workflow-img img {
  width: 100%;
}

.workflow-steps {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.workflow-step {
  text-align: center;
  padding: 32px;
  border-radius: var(--radius-lg);
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  position: relative;
  transition: all var(--transition-med);
}

.workflow-step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.step-number {
  width: 48px;
  height: 48px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
  color: #fff;
  font-weight: 800;
  font-size: 1.2rem;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 18px;
}

.workflow-step h3 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.workflow-step p {
  font-size: .88rem;
  color: var(--clr-text-muted);
}

/* ---------- Testimonials ---------- */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.testimonial-card {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  padding: 36px;
  border: 1px solid var(--clr-border);
  transition: all var(--transition-med);
  position: relative;
}

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

.testimonial-card::before {
  content: '"';
  font-family: 'Playfair Display', serif;
  font-size: 5rem;
  color: var(--clr-primary-glass);
  position: absolute;
  top: 10px;
  left: 24px;
  line-height: 1;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--clr-text-muted);
  line-height: 1.8;
  margin-bottom: 24px;
  position: relative;
  z-index: 1;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
}

.testimonial-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  overflow: hidden;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-weight: 700;
  font-size: 1.1rem;
}

.testimonial-info h4 {
  font-size: .95rem;
  font-weight: 700;
}

.testimonial-info p {
  font-size: .82rem;
  color: var(--clr-text-light);
}

.testimonial-stars {
  color: var(--clr-accent);
  font-size: .9rem;
  margin-top: 4px;
}

/* ---------- CTA section ---------- */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
  text-align: center;
  color: #fff;
}

.cta-section h2 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-section p {
  font-size: 1.1rem;
  opacity: .85;
  margin-bottom: 32px;
  max-width: 560px;
}

.cta-btns {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ---------- Real-world apps ---------- */
.apps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.app-card {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--clr-border);
  transition: all var(--transition-med);
}

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

.app-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--clr-primary);
}

.app-card p {
  font-size: .9rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}

/* ==========================================
   ABOUT PAGE
   ========================================== */
.about-hero {
  padding: 160px 0 80px;
  background: linear-gradient(160deg, var(--clr-dark-bg), #0B3D2E);
  color: #fff;
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.about-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.about-img img {
  width: 100%;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.value-card {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  border: 1px solid var(--clr-border);
  transition: all var(--transition-med);
}

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

.value-card .icon {
  font-size: 2rem;
  margin-bottom: 14px;
}

.value-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.value-card p {
  font-size: .9rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.team-card {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  padding: 32px;
  text-align: center;
  border: 1px solid var(--clr-border);
  transition: all var(--transition-med);
}

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

.team-avatar {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  margin: 0 auto 18px;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: #fff;
  font-weight: 800;
}

.team-card h3 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.team-card .role {
  font-size: .85rem;
  color: var(--clr-primary);
  font-weight: 600;
  margin-bottom: 10px;
}

.team-card p {
  font-size: .88rem;
  color: var(--clr-text-muted);
}

/* ==========================================
   CONTACT PAGE
   ========================================== */
.contact-hero {
  padding: 160px 0 80px;
  background: linear-gradient(160deg, var(--clr-dark-bg), #0B3D2E);
  color: #fff;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1.1fr .9fr;
  gap: 48px;
  margin-top: 48px;
}

.contact-form {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  padding: 40px;
  border: 1px solid var(--clr-border);
  box-shadow: var(--shadow-md);
}

.form-group {
  margin-bottom: 22px;
}

.form-group label {
  display: block;
  font-weight: 600;
  font-size: .9rem;
  margin-bottom: 8px;
  color: var(--clr-text);
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 14px 18px;
  border: 2px solid var(--clr-border);
  border-radius: var(--radius-md);
  background: var(--clr-bg);
  font-size: .95rem;
  transition: all var(--transition-fast);
  color: var(--clr-text);
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 4px var(--clr-primary-glass);
}

.form-group textarea {
  resize: vertical;
  min-height: 140px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.contact-info-sidebar {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.contact-info-card {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  padding: 28px;
  border: 1px solid var(--clr-border);
  display: flex;
  align-items: flex-start;
  gap: 16px;
  transition: all var(--transition-med);
}

.contact-info-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.contact-info-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  background: var(--clr-primary-glass);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.contact-info-card h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.contact-info-card p {
  font-size: .9rem;
  color: var(--clr-text-muted);
}

.map-container {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  height: 240px;
}

.map-container iframe {
  width: 100%;
  height: 100%;
  border: 0;
}

/* ==========================================
   BLOG PAGE
   ========================================== */
.blog-hero {
  padding: 160px 0 60px;
  background: linear-gradient(160deg, var(--clr-dark-bg), #0B3D2E);
  color: #fff;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.blog-card {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  transition: all var(--transition-med);
}

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

.blog-thumb {
  height: 200px;
  background: linear-gradient(135deg, var(--clr-primary-dark), var(--clr-primary-light));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 3rem;
  color: rgba(255, 255, 255, .3);
  overflow: hidden;
  position: relative;
}

.blog-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.blog-category {
  position: absolute;
  top: 16px;
  left: 16px;
  font-size: .75rem;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, .9);
  color: var(--clr-primary);
}

.blog-body {
  padding: 28px;
}

.blog-meta {
  display: flex;
  gap: 16px;
  font-size: .82rem;
  color: var(--clr-text-light);
  margin-bottom: 12px;
}

.blog-body h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.4;
}

.blog-body p {
  font-size: .9rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.blog-link {
  font-size: .9rem;
  font-weight: 600;
  color: var(--clr-primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap var(--transition-fast);
}

.blog-link:hover {
  gap: 12px;
}

/* ==========================================
   FAQ
   ========================================== */
.faq-list {
  max-width: 780px;
  margin: 48px auto 0;
}

.faq-item {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  background: var(--clr-surface);
  transition: all var(--transition-fast);
}

.faq-item:hover {
  border-color: var(--clr-primary);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: .95rem;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  color: var(--clr-text);
}

.faq-question .icon {
  transition: transform var(--transition-fast);
  font-size: 1.2rem;
  color: var(--clr-primary);
}

.faq-item.active .faq-question .icon {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-med);
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: .92rem;
  color: var(--clr-text-muted);
  line-height: 1.8;
}

.faq-item.active .faq-answer {
  max-height: 400px;
}

/* ==========================================
   NEWSLETTER / FOOTER
   ========================================== */
.newsletter-section {
  padding: 60px 0;
  background: var(--clr-surface-alt);
}

.newsletter-box {
  display: flex;
  align-items: center;
  gap: 20px;
  max-width: 560px;
  margin: 24px auto 0;
}

.newsletter-box input {
  flex: 1;
  padding: 14px 20px;
  border: 2px solid var(--clr-border);
  border-radius: var(--radius-full);
  background: var(--clr-surface);
  font-size: .95rem;
}

.newsletter-box input:focus {
  outline: none;
  border-color: var(--clr-primary);
}

.footer {
  background: var(--clr-dark-bg);
  color: rgba(255, 255, 255, .7);
  padding: 80px 0 32px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}

.footer-about {
  max-width: 320px;
}

.footer-about .nav-logo {
  color: #fff;
  margin-bottom: 16px;
}

.footer-about p {
  font-size: .9rem;
  line-height: 1.7;
}

.footer h4 {
  font-size: .95rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 20px;
}

.footer ul li {
  margin-bottom: 10px;
}

.footer ul li a {
  font-size: .88rem;
  transition: color var(--transition-fast);
}

.footer ul li a:hover {
  color: var(--clr-accent);
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: rgba(255, 255, 255, .7);
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--clr-primary);
  color: #fff;
}

.footer-bottom {
  padding-top: 32px;
  border-top: 1px solid rgba(255, 255, 255, .08);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: .82rem;
}

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

.footer-bottom-links a:hover {
  color: var(--clr-accent);
}

/* ==========================================
   PAGE HERO (inner pages)
   ========================================== */
.page-hero {
  padding: 160px 0 80px;
  background: linear-gradient(160deg, var(--clr-dark-bg), #0B3D2E);
  color: #fff;
  text-align: center;
}

.page-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  font-weight: 800;
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 1.1rem;
  color: rgba(255, 255, 255, .7);
  max-width: 600px;
  margin: 0 auto;
}

/* ---------- Features detail page ---------- */
.feature-detail {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  padding: 60px 0;
}

.feature-detail:nth-child(even) {
  direction: rtl;
}

.feature-detail:nth-child(even)>* {
  direction: ltr;
}

.feature-detail-content h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.feature-detail-content p {
  font-size: 1rem;
  color: var(--clr-text-muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.feature-detail-visual {
  background: linear-gradient(135deg, var(--clr-primary-glass), var(--clr-surface-alt));
  border-radius: var(--radius-lg);
  padding: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 320px;
  font-size: 5rem;
}

.check-list {
  margin-top: 16px;
}

.check-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  margin-bottom: 10px;
  font-size: .93rem;
  color: var(--clr-text-muted);
}

.check-list li::before {
  content: '✓';
  color: var(--clr-primary);
  font-weight: 700;
  flex-shrink: 0;
}

/* ==========================================
   RESPONSIVE
   ========================================== */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }

  .hero-visual {
    display: none;
  }

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

  .feature-detail {
    grid-template-columns: 1fr;
  }

  .feature-detail:nth-child(even) {
    direction: ltr;
  }

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

  .benefits-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 768px) {
  :root {
    --section-pad: 60px 0;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: block;
  }

  .hero-text h1 {
    font-size: 2.2rem;
  }

  .hero-stats {
    flex-direction: column;
    gap: 20px;
  }

  .hero-btns {
    flex-direction: column;
  }

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

  .problems-grid,
  .features-grid,
  .testimonials-grid,
  .blog-grid,
  .apps-grid {
    grid-template-columns: 1fr;
  }

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

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .newsletter-box {
    flex-direction: column;
  }

  .cta-btns {
    flex-direction: column;
    align-items: center;
  }
}

/* ---------- Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: all .6s cubic-bezier(.4, 0, .2, 1);
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-in-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: all .6s cubic-bezier(.4, 0, .2, 1);
}

.fade-in-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.fade-in-right {
  opacity: 0;
  transform: translateX(40px);
  transition: all .6s cubic-bezier(.4, 0, .2, 1);
}

.fade-in-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* stagger children */
.stagger>*:nth-child(1) {
  transition-delay: 0s;
}

.stagger>*:nth-child(2) {
  transition-delay: .1s;
}

.stagger>*:nth-child(3) {
  transition-delay: .2s;
}

.stagger>*:nth-child(4) {
  transition-delay: .3s;
}

.stagger>*:nth-child(5) {
  transition-delay: .4s;
}

.stagger>*:nth-child(6) {
  transition-delay: .5s;
}

/* ==========================================
   SOLUTIONS PAGE
   ========================================== */
.solutions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.solution-card {
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  transition: all var(--transition-med);
}

.solution-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-xl);
  border-color: var(--clr-primary);
}

.solution-card-header {
  padding: 32px 32px 24px;
  background: linear-gradient(135deg, var(--clr-primary-glass), var(--clr-surface-alt));
  display: flex;
  align-items: center;
  gap: 18px;
}

.solution-card-icon {
  width: 64px;
  height: 64px;
  flex-shrink: 0;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  box-shadow: 0 6px 20px rgba(11, 110, 79, .25);
}

.solution-card-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
}

.solution-card-header p {
  font-size: .82rem;
  color: var(--clr-text-muted);
  margin-top: 2px;
}

.solution-card-body {
  padding: 24px 32px 32px;
}

.solution-card-body p {
  font-size: .93rem;
  color: var(--clr-text-muted);
  line-height: 1.75;
  margin-bottom: 16px;
}

.solution-card-body .feature-tags {
  margin-top: 12px;
}

/* ---------- Crop Photo Gallery ---------- */
.gallery-section {
  padding: var(--section-pad);
}

.crop-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
  margin-top: 48px;
}

.crop-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--clr-border);
  background: var(--clr-surface);
  transition: all var(--transition-med);
  cursor: pointer;
  position: relative;
}

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

.crop-card-img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform var(--transition-med);
}

.crop-card:hover .crop-card-img {
  transform: scale(1.05);
}

.crop-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(0, 0, 0, .6) 100%);
  opacity: 0;
  transition: opacity var(--transition-med);
  display: flex;
  align-items: flex-end;
  padding: 20px;
}

.crop-card:hover .crop-card-overlay {
  opacity: 1;
}

.crop-card-overlay span {
  color: #fff;
  font-weight: 600;
  font-size: .95rem;
}

.crop-card-info {
  padding: 18px 20px;
}

.crop-card-info h4 {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.crop-card-info p {
  font-size: .83rem;
  color: var(--clr-text-muted);
}

.crop-card-badge {
  position: absolute;
  top: 14px;
  right: 14px;
  font-size: .72rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, .92);
  color: var(--clr-primary);
  backdrop-filter: blur(8px);
}

/* ---------- Photo Upload Area ---------- */
.upload-section {
  margin-top: 60px;
  padding: 48px;
  background: var(--clr-surface);
  border-radius: var(--radius-lg);
  border: 2px dashed var(--clr-border);
  text-align: center;
  transition: all var(--transition-med);
}

.upload-section:hover,
.upload-section.drag-over {
  border-color: var(--clr-primary);
  background: var(--clr-primary-glass);
}

.upload-icon {
  font-size: 3.5rem;
  margin-bottom: 16px;
  display: block;
}

.upload-section h3 {
  font-size: 1.3rem;
  font-weight: 700;
  margin-bottom: 8px;
}

.upload-section p {
  font-size: .93rem;
  color: var(--clr-text-muted);
  margin-bottom: 20px;
}

.upload-input {
  display: none;
}

.upload-preview-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-top: 24px;
}

.upload-preview-item {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--clr-border);
}

.upload-preview-item img {
  width: 100%;
  height: 140px;
  object-fit: cover;
  display: block;
}

.upload-preview-remove {
  position: absolute;
  top: 8px;
  right: 8px;
  width: 28px;
  height: 28px;
  background: rgba(220, 38, 38, .9);
  color: #fff;
  border: none;
  border-radius: 50%;
  cursor: pointer;
  font-size: .8rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-fast);
}

.upload-preview-remove:hover {
  transform: scale(1.15);
}

/* ---------- Lightbox ---------- */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0, 0, 0, .85);
  display: none;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(8px);
}

.lightbox.active {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 85vh;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
}

.lightbox-close {
  position: absolute;
  top: 24px;
  right: 32px;
  font-size: 2rem;
  color: #fff;
  background: none;
  border: none;
  cursor: pointer;
  transition: transform var(--transition-fast);
}

.lightbox-close:hover {
  transform: scale(1.2);
}

.lightbox-caption {
  position: absolute;
  bottom: 32px;
  color: #fff;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  width: 100%;
}

/* ---------- Filter Tabs ---------- */
.filter-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  justify-content: center;
  margin-top: 32px;
}

.filter-tab {
  padding: 10px 24px;
  border-radius: var(--radius-full);
  border: 2px solid var(--clr-border);
  background: var(--clr-surface);
  font-weight: 600;
  font-size: .88rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  color: var(--clr-text-muted);
}

.filter-tab:hover,
.filter-tab.active {
  background: var(--clr-primary);
  color: #fff;
  border-color: var(--clr-primary);
}

@media (max-width: 768px) {
  .solutions-grid {
    grid-template-columns: 1fr;
  }

  .crop-gallery {
    grid-template-columns: 1fr 1fr;
  }

  .upload-preview-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 480px) {
  .crop-gallery {
    grid-template-columns: 1fr;
  }
}

/* Pulse animation */
@keyframes pulse {

  0%,
  100% {
    transform: scale(1);
  }

  50% {
    transform: scale(1.05);
  }
}

.pulse-anim:hover {
  animation: pulse .6s ease;
}