:root {
  --primary: #007bff; /* Deep Blue for water/action */
  --accent: #00cc99; /* Bright Teal/Green for highlight */
  --white: #ffffff;
  --dark-blue: #0f172a; /* Confirmed: DARK BACKGROUND */
  --text-dark: #1a2434;
  --text-light: #94a3b8;
}
.stp-hero-section-v2 {
  padding: 0 5% 5rem 0;
  margin-bottom: 20px;
  background-color: var(--pro-card-bg);
  /* border-radius: 12px; */
  /* height: 100vh; */
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--pro-primary);
  text-align: center;
  margin-bottom: 30px;
}

.section-description {
  max-width: 800px;
  margin: 0 auto 40px;
  text-align: center;
  color: var(--pro-light-text);
  font-size: 1.1rem;
  line-height: 1.6;
}

/* Button Styles */
.btn-primary-v2,
.btn-secondary-v2 {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 8px;
  font-weight: 700;
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 1rem;
  margin: 10px 15px 10px 0;
  text-align: center;
}
.btn-primary-v2 {
  background-color: var(--pro-primary);
  color: var(--pro-card-bg);
  box-shadow: 0 4px 10px rgba(0, 119, 182, 0.3);
}
.btn-primary-v2:hover {
  background-color: #005a8d;
  transform: translateY(-2px);
}
.btn-secondary-v2 {
  box-shadow: 0 0 10px;
  background-color: transparent;
  border: 2px solid var(--pro-primary);
  color: var(--pro-primary);
}
.btn-secondary-v2:hover {
  background-color: var(--pro-primary);
  color: var(--pro-card-bg);
}
.cta-large {
  font-size: 1.25rem;
  padding: 15px 35px;
}
.cta-large i {
  margin-left: 10px;
}

/* ================================================= */
/* === 1. STP HERO SECTION (V2) === */
/* ================================================= */

.stp-hero-section-v2 {
  background-color: #0f172a;
  color: var(--white);
  padding: 7rem 5% 5rem 5%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 4rem;
}
.hero-content-v2 {
  max-width: 55%;
}
.hero-content-v2 h1 {
  font-size: 3rem;
  font-weight: 900;
  color: var(--pro-dark-text);
  margin-bottom: 20px;
  text-align: left;
}
.tagline-v2 {
  font-size: 1.35rem;
  color: var(--pro-primary);
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 20px;
}
.description-v2 {
  font-size: 1.1rem;
  color: var(--pro-light-text);
  line-height: 1.6;
  margin-bottom: 30px;
}
.hero-image-v2 {
  max-width: 40%;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.15);
}
.hero-image-v2 img {
  width: 100%;
  height: auto;
  display: block;
}

/* ================================================= */
/* === 2. INTRODUCTION SECTION (Problem/Solution) === */
/* ================================================= */

.section-intro-problem {
  display: flex;
  align-items: center;
  gap: 40px;
  padding: 60px 40px;
}
.section-content-wrapper {
  flex: 1;
}
.section-intro-problem h2 {
  text-align: left;
  font-size: 1.8rem;
  color: var(--pro-dark-text);
  margin-bottom: 20px;
}
.section-intro-problem p {
  font-size: 1.05rem;
  color: var(--pro-light-text);
  line-height: 1.6;
  margin-bottom: 20px;
}
.section-intro-problem ul {
  list-style: none;
  padding: 0;
  margin-top: 20px;
}
.section-intro-problem ul li {
  margin-bottom: 12px;
  font-size: 1rem;
  color: var(--pro-dark-text);
  position: relative;
  padding-left: 25px;
}
.section-intro-problem ul li::before {
  content: "✔️";
  position: absolute;
  left: 0;
  color: var(--pro-accent);
  font-size: 0.9rem;
  top: 2px;
}
.intro-image-right {
  flex: 1;
  max-width: 45%;
}
.intro-image-right img {
  width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

/* ================================================= */
/* === 3. FEATURES GRID (STP-FEATURES-V2) === */
/* ================================================= */

.stp-features-v2 {
  padding: 60px 40px;
}
.features-grid-v2 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}
.feature-card-v2 {
  background-color: var(--pro-background);
  padding: 30px;
  border-radius: 10px;
  border-top: 5px solid var(--pro-primary);
  transition: all 0.3s ease;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}
.feature-card-v2:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0, 119, 182, 0.1);
}
.feature-card-v2 i {
  font-size: 2.5rem;
  color: var(--pro-accent);
  margin-bottom: 15px;
}
.feature-card-v2 h3 {
  font-size: 1.25rem;
  color: var(--pro-dark-text);
  margin-top: 0;
  margin-bottom: 10px;
}
.feature-card-v2 p {
  color: var(--pro-light-text);
  font-size: 0.95rem;
  line-height: 1.5;
}

/* ================================================= */
/* === 4. PROCESS FLOW SECTION (STP-FLOW-V2) === */
/* ================================================= */

.stp-flow-section-v2 {
  padding: 60px 40px;
}
.stp-flow-section-v2 h2 {
  color: var(--pro-dark-text);
}
.stp-flow-section-v2 .section-description {
  margin-bottom: 40px;
}
.stp-diagram-placeholder-v2 {
  text-align: center;
  margin: 40px 0;
  background-color: #f7f9fb;
  padding: 20px;
  border-radius: 8px;
}
.stp-diagram-placeholder-v2 img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  border: 1px solid #e5e9ec;
}

.process-description-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
  align-content: center;
}
.process-step-item {
  padding: 20px;
  border-left: 4px solid var(--pro-primary);
  background-color: #f7f9fb;
  border-radius: 10px;
  box-shadow: 0 0 10px lightgray;
}
.process-step-item h3 {
  font-size: 1.2rem;
  color: var(--pro-primary);
  margin-top: 0;
  margin-bottom: 10px;
}
.process-step-item p {
  font-size: 0.95rem;
  color: var(--pro-light-text);
}

/* ================================================= */
/* === 5. MODEL RANGE (Accordion) === */
/* ================================================= */

.stp-models-section-v2 {
  padding: 60px 40px;
}

.model-accordion-container {
  max-width: 900px;
  margin: 0 auto;
}
.accordion-item {
  border: 1px solid #e5e9ec;
  border-radius: 8px;
  margin-bottom: 15px;
  overflow: hidden;
}
.accordion-item input[type="checkbox"] {
  display: none;
}
.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px;
  background-color: var(--pro-background);
  cursor: pointer;
}
.accordion-header h3 {
  font-size: 1.3rem;
  color: var(--pro-dark-text);
  margin: 0;
}
.accordion-header i {
  font-size: 1.2rem;
  color: var(--pro-primary);
  transition: transform 0.3s ease;
}
.accordion-item input[type="checkbox"]:checked ~ .accordion-header i {
  transform: rotate(180deg);
}
.accordion-content {
  max-height: 0;
  padding: 0 20px;
  overflow: hidden;
  transition: max-height 0.5s ease-in-out, padding 0.5s ease-in-out;
}
.accordion-item input[type="checkbox"]:checked ~ .accordion-content {
  max-height: 500px; /* Large enough value */
  padding: 20px;
}
.accordion-content p {
  color: var(--pro-light-text);
  margin-bottom: 15px;
}
.accordion-content ul {
  list-style-type: disc;
  padding-left: 20px;
  margin-bottom: 20px;
}
.accordion-content li {
  color: var(--pro-dark-text);
  font-size: 0.95rem;
  margin-bottom: 5px;
}
.accordion-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin-top: 10px;
}

/* ================================================= */
/* === 6. FINAL CTA SECTION === */
/* ================================================= */

.final-cta-section {
  text-align: center;
  padding: 60px 40px;
  background-color: var(--pro-primary);
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 119, 182, 0.4);
  margin-top: 40px;
  margin-bottom: 40px;
}
.final-cta-section h2 {
  color: var(--pro-card-bg);
  margin-bottom: 15px;
}
.final-cta-section p {
  font-size: 1.2rem;
  margin-bottom: 30px;
}
.cta-form-container {
  /* Center the button */
}

/* ================================================= */
/* === RESPONSIVENESS (Mobile First) === */
/* ================================================= */

@media (max-width: 1024px) {
  .stp-hero-section-v2 {
    flex-direction: column;
    padding: 40px 20px;
  }
  .hero-content-v2 {
    max-width: 100%;
    text-align: center;
    order: 2;
  }
  .hero-content-v2 h1 {
    text-align: center;
    font-size: 2.2rem;
  }
  .tagline-v2,
  .description-v2 {
    text-align: center;
  }
  .hero-image-v2 {
    max-width: 100%;
    margin-bottom: 30px;
    order: 1;
  }
  .stp-actions-v2 {
    text-align: center;
  }

  .section-intro-problem {
    flex-direction: column;
    padding: 40px 20px;
  }
  .section-intro-problem h2 {
    text-align: center;
  }
  .intro-image-right {
    max-width: 100%;
    margin-top: 20px;
  }

  .stp-features-v2,
  .stp-flow-section-v2,
  .stp-models-section-v2,
  .final-cta-section {
    padding: 40px 20px;
  }

  .process-description-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  h2 {
    font-size: 1.8rem;
  }
  .hero-content-v2 h1 {
    font-size: 1.8rem;
  }
  .tagline-v2 {
    font-size: 1.1rem;
  }
  .btn-primary-v2,
  .btn-secondary-v2 {
    display: block;
    width: 100%;
    margin: 10px 0;
  }
}