:root {
    --bg-white: #ffffff;
    --bg-light: #f4f9ff;
    --blue-main: #007bff;
    --blue-dark: #0056b3;
    --text-dark: #0f172a;
    --text-muted: #64748b;
    --transition: all 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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



.back-arrow {
  position: absolute;
  top: 20px;
  left: 20px;
}

.back-arrow a {
  margin-top: 70px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: #007BFF;
  color: #fff;
  border-radius: 50%;
  text-decoration: none;
  font-size: 20px;
  transition: 0.3s ease;
}

.back-arrow a:hover {
  background: #0056b3;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-white);
    color: var(--text-dark);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    text-align: center;
    background: radial-gradient(circle at top right, #eef5ff, #ffffff);
}

.badge {
    background: #e0eeff;
    color: var(--blue-main);
    padding: 8px 20px;
    border-radius: 30px;
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 1px;
    text-transform: uppercase;
}

h1 { font-size: 3.8rem; margin: 25px 0; letter-spacing: -2px; line-height: 1.1; }
.text-blue { color: var(--blue-main); }
.hero p { color: var(--text-muted); font-size: 1.2rem; max-width: 700px; margin: 0 auto; }

/* Content Grid */
.content-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 80px;
    align-items: center;
    padding: 100px 0;
}

.text-block h2 { font-size: 2.5rem; margin-bottom: 20px; }
.text-block p { font-size: 1.1rem; color: var(--text-muted); margin-bottom: 30px; }

.impact-cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.impact-card {
    padding: 25px;
    background: var(--bg-light);
    border-left: 4px solid var(--blue-main);
    border-radius: 8px;
}

.impact-card h4 { font-size: 0.9rem; text-transform: uppercase; margin-bottom: 10px; }

.visual-block img {
    width: 100%;
    border-radius: 24px;
    box-shadow: 0 40px 80px rgba(0, 123, 255, 0.1);
}

/* Automation Flow */
.process-section {
    background: var(--text-dark);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.process-section h2 { margin-bottom: 60px; font-size: 2.5rem; }

.flow-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.flow-step {
    flex: 1;
    padding: 30px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
}

.step-num {
    font-size: 3rem;
    font-weight: 800;
    opacity: 0.2;
    margin-bottom: 10px;
}

.arrow { font-size: 2rem; color: var(--blue-main); }

/* CTA Area */
.cta-box {
    background: var(--bg-light);
    padding: 80px 40px;
    border-radius: 40px;
    text-align: center;
    margin: 100px 0;
    border: 1px solid #e0eeff;
}

.btn-primary {
    display: inline-block;
    background: var(--text-dark);
    color: white;
    padding: 18px 40px;
    border-radius: 12px;
    text-decoration: none;
    margin-top: 30px;
    font-weight: 600;
    transition: var(--transition);
}

.btn-primary:hover { background: var(--blue-main); transform: translateY(-3px); }

/* Reveal Animation */
.reveal { opacity: 0; transform: translateY(50px); transition: var(--transition); }
.reveal.active { opacity: 1; transform: translateY(0); }

@media (max-width: 992px) {
    .content-grid, .flow-container { grid-template-columns: 1fr; flex-direction: column; }
    .arrow { transform: rotate(90deg); margin: 20px 0; }
    h1 { font-size: 2.8rem; }
}

/* ===== COMPREHENSIVE RESPONSIVE DESIGN ===== */

/* Mobile Menu Toggle Button */
.menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  gap: 6px;
  background: none;
  border: none;
  color: white;
  font-size: 24px;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: white;
  transition: 0.3s;
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(10px, 10px);
}

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

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

/* ===== TABLET (768px and below) ===== */
@media (max-width: 768px) {
  .back-arrow a {
    width: 35px;
    height: 35px;
    font-size: 16px;
  }

  .container {
    padding: 0 20px;
  }

  /* Hero Section */
  .hero {
    padding: 60px 0 40px;
    background: linear-gradient(135deg, #e8f0ff, #ffffff);
  }

  h1 {
    font-size: 2rem;
  }

  .badge {
    font-size: 0.75rem;
  }

  .hero p {
    font-size: 1rem;
  }

  /* Content Grid */
  .content-grid {
    grid-template-columns: 1fr;
    gap: 40px;
    padding: 50px 0;
  }

  .text-block h2 {
    font-size: 1.8rem;
  }

  .text-block p {
    font-size: 1rem;
  }

  .impact-cards {
    grid-template-columns: 1fr;
    gap: 15px;
  }

  .impact-card {
    padding: 20px;
  }

  .visual-block img {
    border-radius: 18px;
  }

  /* Process Section */
  .process-section {
    padding: 50px 0;
  }

  .process-section h2 {
    font-size: 2rem;
    margin-bottom: 40px;
  }

  .flow-container {
    flex-direction: column;
    gap: 20px;
  }

  .flow-step {
    padding: 20px;
  }

  .step-num {
    font-size: 2rem;
  }

  .arrow {
    transform: rotate(90deg);
    margin: 10px 0;
  }

  /* CTA Box */
  .cta-box {
    padding: 40px 20px;
    margin: 50px 0;
  }

  .cta-box h2 {
    font-size: 1.6rem;
  }

  .btn-primary {
    padding: 0.8rem 2rem;
    font-size: 0.9rem;
  }
}

/* ===== MOBILE (480px and below) ===== */
@media (max-width: 480px) {
  .back-arrow a {
    width: 32px;
    height: 32px;
    font-size: 14px;
    margin-top: 60px;
  }

  .container {
    padding: 0 15px;
  }

  /* Hero Section */
  .hero {
    padding: 40px 0 30px;
  }

  h1 {
    font-size: 1.4rem;
    margin: 1rem 0;
  }

  .badge {
    font-size: 0.7rem;
  }

  .hero p {
    font-size: 0.9rem;
  }

  /* Content Grid */
  .content-grid {
    gap: 25px;
    padding: 30px 0;
  }

  .text-block h2 {
    font-size: 1.3rem;
  }

  .text-block p {
    font-size: 0.9rem;
    margin-bottom: 20px;
  }

  .impact-cards {
    gap: 12px;
  }

  .impact-card {
    padding: 15px;
  }

  .visual-block img {
    border-radius: 15px;
  }

  /* Process Section */
  .process-section {
    padding: 30px 0;
  }

  .process-section h2 {
    font-size: 1.4rem;
    margin-bottom: 25px;
  }

  .flow-container {
    gap: 15px;
  }

  .flow-step {
    padding: 15px;
  }

  .step-num {
    font-size: 1.5rem;
  }

  /* CTA Box */
  .cta-box {
    padding: 25px 15px;
    margin: 30px 0;
  }

  .cta-box h2 {
    font-size: 1.1rem;
  }

  .btn-primary {
    padding: 0.7rem 1.5rem;
    font-size: 0.8rem;
  }
}

/* ===== EXTRA SMALL (under 360px) ===== */
@media (max-width: 360px) {
  .back-arrow a {
    width: 30px;
    height: 30px;
    font-size: 12px;
  }

  .container {
    padding: 0 10px;
  }

  h1 {
    font-size: 1.1rem;
    margin: 0.8rem 0;
  }

  .hero p {
    font-size: 0.8rem;
  }

  .text-block h2 {
    font-size: 1.1rem;
  }

  .text-block p {
    font-size: 0.85rem;
  }

  .impact-card {
    padding: 12px;
  }

  .process-section h2 {
    font-size: 1.1rem;
  }

  .step-num {
    font-size: 1.2rem;
  }

  .cta-box {
    padding: 20px 10px;
  }

  .btn-primary {
    padding: 0.6rem 1rem;
    font-size: 0.75rem;
  }
}