/* ===================================
   Global Styles & Reset
   =================================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --color-primary: #111111;
  --color-secondary: #2c2c2c;
  --color-accent: #0066cc;
  --color-bg-light: #f8f9fa;
  --color-bg-dark: #ffffff;
  --color-text: #111111;
  --color-text-light: #666666;
  --color-border: #e0e0e0;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 2rem;
  --spacing-lg: 4rem;
  --spacing-xl: 6rem;
  --transition: all 0.3s ease;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  line-height: 1.7;
  color: var(--color-text);
  background-color: #fff;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

/* ===================================
   Typography
   =================================== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
}

h3 {
  font-size: clamp(1.25rem, 3vw, 1.75rem);
}

p {
  margin-bottom: 1rem;
  color: var(--color-text-light);
  font-size: 1.1rem;
}

/* ===================================
   Buttons & CTAs
   =================================== */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2.5rem;
  background-color: var(--color-primary);
  color: #ffffff;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  border-radius: 8px;
  transition: var(--transition);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  cursor: pointer;
  border: none;
}

.cta-button:hover {
  background-color: var(--color-secondary);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

.cta-button.large {
  padding: 1.25rem 3rem;
  font-size: 1.2rem;
}

.cta-button i {
  font-size: 1.3em;
}

/* ===================================
   Section Styles
   =================================== */
section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  text-align: center;
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
  font-size: 1.2rem;
  color: var(--color-text-light);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
  background-image: url("../images/parallax2.jpg");
  padding: var(--spacing-xl) 0;
  text-align: center;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-title {
  margin-bottom: var(--spacing-md);
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.hero-title .highlight {
  color: var(--color-accent);
  position: relative;
}

.hero-subtitle {
  font-size: 1.3rem;
  max-width: 800px;
  margin: 0 auto var(--spacing-lg);
  color: #fff;
  line-height: 1.6;
}

/* ===================================
   Problems Section
   =================================== */
.problems {
  background-color: #fff;
}

.problems-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: var(--spacing-lg);
}

.problem-card {
  background: #ffffff;
  padding: 2.5rem 2rem;
  border-radius: 12px;
  border: 2px solid var(--color-border);
  transition: var(--transition);
  text-align: center;
}

.problem-card:hover {
  border-color: var(--color-primary);
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.problem-icon {
  width: 70px;
  height: 70px;
  margin: 0 auto 1.5rem;
  background: var(--color-bg-light);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--color-primary);
}

.problem-card h3 {
  color: var(--color-primary);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.problem-card p {
  color: var(--color-text-light);
  font-size: 1rem;
  margin-bottom: 0;
}

/* ===================================
   How It Works Section
   =================================== */
.how-it-works {
  background-color: var(--color-bg-light);
}

.how-it-works-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 3rem;
  margin-top: var(--spacing-lg);
}

.how-step {
  position: relative;
  padding: 2rem;
  background: #ffffff;
  border-radius: 12px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
  transition: var(--transition);
}

.how-step:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.step-number {
  font-size: 3rem;
  font-weight: 800;
  color: var(--color-accent);
  opacity: 0.2;
  line-height: 1;
  margin-bottom: 1rem;
}

.how-step h3 {
  color: var(--color-primary);
  margin-bottom: 1rem;
}

.how-step p {
  color: var(--color-text-light);
  margin-bottom: 0;
}

/* ===================================
   Social Proof Section
   =================================== */
.social-proof {
  background-color: #ffffff;
}

.proof-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin: var(--spacing-lg) 0;
}

.proof-card {
  background: var(--color-bg-light);
  padding: 2rem;
  border-radius: 12px;
  text-align: center;
  transition: var(--transition);
}

.proof-card.highlight-card {
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
  border: 2px solid var(--color-border);
}

.proof-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.proof-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.proof-card h3 {
  color: var(--color-primary);
  font-size: 1.2rem;
  margin-bottom: 0.75rem;
  font-weight: 700;
}

.proof-card p {
  color: var(--color-text-light);
  font-size: 0.95rem;
  margin-bottom: 0;
}

.case-studies {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 3rem;
  margin: var(--spacing-lg) 0;
}

.case-study {
  background: #ffffff;
  padding: 2.5rem;
  border-radius: 12px;
  border: 2px solid var(--color-border);
  transition: var(--transition);
}

.case-study:hover {
  border-color: var(--color-primary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.case-title {
  color: var(--color-primary);
  font-size: 1.75rem;
  margin-bottom: 1.5rem;
  font-weight: 800;
  border-bottom: 3px solid var(--color-accent);
  padding-bottom: 0.75rem;
}

.case-list {
  list-style: none;
  padding: 0;
}

.case-list li {
  padding: 0.75rem 0;
  color: var(--color-text-light);
  font-size: 1.05rem;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.case-list i {
  color: var(--color-accent);
  margin-top: 0.25rem;
  flex-shrink: 0;
}

.proof-conclusion {
  text-align: center;
  font-size: 1.3rem;
  margin-top: var(--spacing-lg);
  padding: 2rem;
  background: var(--color-bg-light);
  border-radius: 12px;
  color: var(--color-text-light);
}

.proof-conclusion strong {
  color: var(--color-primary);
}

/* ===================================
   About Section
   =================================== */
.about {
  background-color: var(--color-bg-light);
}

.about-content {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 4rem;
  align-items: start;
  margin-top: var(--spacing-lg);
}

.about-image {
  position: sticky;
  top: 2rem;
}

.about-image img {
  width: 100%;
  height: auto;
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
  transition: var(--transition);
}

.about-image img:hover {
  transform: scale(1.02);
  box-shadow: 0 15px 50px rgba(0, 0, 0, 0.2);
}

.about-text h3 {
  font-size: 2rem;
  color: var(--color-primary);
  margin-bottom: 1.5rem;
}

.about-bio {
  font-size: 1.1rem;
  line-height: 1.8;
  color: var(--color-text-light);
  margin-bottom: 1.5rem;
  text-align: justify;
}

.about-bio strong {
  color: var(--color-primary);
  font-weight: 600;
}

/* ===================================
   Includes Section
   =================================== */
.includes {
  background-color: #ffffff;
}

.includes-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2.5rem;
  margin-top: var(--spacing-lg);
}

.include-card {
  background: var(--color-bg-light);
  padding: 2.5rem 2rem;
  border-radius: 12px;
  transition: var(--transition);
  text-align: center;
}

.include-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
  background: #ffffff;
  border: 2px solid var(--color-primary);
}

.include-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: #ffffff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: var(--color-accent);
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.include-card h3 {
  color: var(--color-primary);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.include-card p {
  color: var(--color-text-light);
  font-size: 1rem;
  margin-bottom: 0;
}

/* ===================================
   Investment Section
   =================================== */
.investment {
  background-color: var(--color-bg-light);
}

.investment-card {
  max-width: 500px;
  margin: var(--spacing-lg) auto 0;
  background: #ffffff;
  padding: 3rem;
  border-radius: 16px;
  text-align: center;
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
  border: 3px solid var(--color-primary);
}

.investment-text {
  font-size: 1.2rem;
  color: var(--color-text-light);
  margin-bottom: 0.5rem;
}

.investment-price {
  font-size: 4rem;
  font-weight: 800;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: 1rem;
}

.investment-price span {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--color-text-light);
}

.investment-details {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin-bottom: 0;
  padding-top: 1rem;
  border-top: 2px solid var(--color-border);
}

/* ===================================
   CTA Final Section
   =================================== */
.cta-final {
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
  color: #ffffff;
  text-align: center;
}

.cta-final .section-title {
  color: #ffffff;
}

.cta-final .cta-description {
  color: rgba(255, 255, 255, 0.9);
  max-width: 700px;
  margin: 0 auto var(--spacing-md);
  font-size: 1.2rem;
}

.cta-final .cta-button {
  background-color: #ffffff;
  color: var(--color-primary);
}

.cta-final .cta-button:hover {
  background-color: #f8f9fa;
  transform: translateY(-3px);
}

/* ===================================
   Footer
   =================================== */
.footer {
  background-color: var(--color-primary);
  color: #ffffff;
  padding: 2rem 0;
  text-align: center;
}

.footer p {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 0.5rem;
  font-size: 0.95rem;
}

.footer-contact a {
  color: #ffffff;
  text-decoration: none;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

.footer-contact a:hover {
  color: var(--color-accent);
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 992px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .about-image {
    position: static;
    max-width: 300px;
    margin: 0 auto;
  }

  .case-studies {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
  }

  .container {
    padding: 0 1.5rem;
  }

  .hero {
    min-height: 70vh;
    padding: var(--spacing-lg) 0;
  }

  .hero-subtitle {
    font-size: 1.1rem;
  }

  .problems-grid,
  .includes-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .how-it-works-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .proof-cards {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .investment-price {
    font-size: 3rem;
  }

  .cta-button {
    padding: 0.875rem 2rem;
    font-size: 1rem;
  }

  .cta-button.large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
  }

  .about-bio {
    text-align: left;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 1.75rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

  .investment-price {
    font-size: 2.5rem;
  }
}

/* ===================================
   Animations
   =================================== */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in-up {
  animation: fadeInUp 0.6s ease-out;
}

/* Scroll animations */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.scroll-reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* ===================================
   Premium / Enterprise Overrides
   =================================== */
:root {
  --radius-lg: 16px;
  --radius-md: 12px;
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 18px 48px rgba(0, 0, 0, 0.10);
  --bg-soft: #f6f7fb;
  --border-soft: 1px solid rgba(17, 17, 17, 0.10);
}

/* Slightly tighter, more premium typography rhythm */
p { color: #3c3c3c; }
.section-description { color: #4b4b4b; }

/* Section backgrounds for visual hierarchy */
.problems,
.includes,
.social-proof,
.ai,
.fit {
  background: var(--bg-soft);
}

.how-it-works,
.framework,
.investment,
.about {
  background: #ffffff;
}

/* Hero readability + modern look */
.hero {
  position: relative;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.62), rgba(0,0,0,0.48));
}

.hero .container {
  position: relative;
  z-index: 1;
}

.hero-subtitle { color: rgba(255,255,255,0.92); }
.hero-title { text-shadow: 0 2px 18px rgba(0,0,0,0.35); }

/* Buttons */
.cta-button {
  border-radius: 12px;
  box-shadow: var(--shadow-sm);
}

.cta-button:hover {
  box-shadow: var(--shadow-md);
}

/* Unified card styling */
.problem-card,
.how-step,
.proof-card,
.include-card,
.investment-card,
.highlight-card,
.case-study {
  border: var(--border-soft) !important;
  border-radius: var(--radius-lg) !important;
  box-shadow: var(--shadow-sm);
  background: #ffffff;
}

.problem-card:hover,
.how-step:hover,
.proof-card:hover,
.include-card:hover,
.investment-card:hover,
.highlight-card:hover,
.case-study:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

/* Icon containers */
.problem-icon,
.include-icon,
.proof-icon {
  background: rgba(17, 17, 17, 0.04);
  border: 1px solid rgba(17, 17, 17, 0.06);
}

/* Grid spacing */
.problems-grid,
.includes-grid,
.proof-cards {
  gap: 28px;
}

/* CTA final looks more premium */
.cta-final {
  background: linear-gradient(135deg, #0f1115, #1b1f2a);
}

.cta-final .section-title,
.cta-final .cta-description {
  color: rgba(255,255,255,0.92);
}

.cta-final .cta-button {
  background: #ffffff;
  color: #111111;
}

.cta-final .cta-button:hover {
  background: rgba(255,255,255,0.92);
}

/* Footer refinement */
.footer {
  border-top: 1px solid rgba(17,17,17,0.08);
}