/* =========================================
   BAFA Ventures - Premium Grayscale Theme
   ========================================= */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
  --color-black: #050505;
  --color-dark-gray: #121212;
  --color-gray: #2a2a2a;
  --color-light-gray: #888888;
  --color-silver: #e0e0e0;
  --color-white: #ffffff;
  
  --font-primary: 'Inter', sans-serif;
  --font-heading: 'Outfit', sans-serif;
  
  --transition-fast: 0.3s ease;
  --transition-slow: 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

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

body {
  font-family: var(--font-primary);
  background-color: var(--color-black);
  color: var(--color-silver);
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-white);
  font-weight: 300;
  line-height: 1.2;
}

a {
  color: var(--color-white);
  text-decoration: none;
  transition: var(--transition-fast);
}

a:hover {
  color: var(--color-light-gray);
}

/* Typography Utilities */
.text-white { color: var(--color-white); }
.text-silver { color: var(--color-silver); }
.text-gray { color: var(--color-light-gray); }

/* Layout Utilities */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section {
  padding: 4rem 0;
}

/* Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 0;
  background: rgba(5, 5, 5, 0.85);
  backdrop-filter: blur(10px);
  z-index: 1000;
  border-bottom: 1px solid rgba(255,255,255,0.05);
}

.header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-white);
}

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 500;
  position: relative;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0%;
  height: 1px;
  background-color: var(--color-white);
  transition: var(--transition-fast);
}

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

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

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  filter: grayscale(100%) contrast(1.2) brightness(0.6);
  z-index: -2;
  transform: scale(1.05);
  animation: slowZoom 20s infinite alternate linear;
}

@keyframes slowZoom {
  from { transform: scale(1); }
  to { transform: scale(1.1); }
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(5,5,5,0.9) 0%, rgba(5,5,5,0.4) 100%);
  z-index: -1;
}

.hero-content {
  max-width: 800px;
  animation: fadeUp 1s var(--transition-slow) forwards;
  opacity: 0;
  transform: translateY(30px);
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero-title {
  font-size: 4.5rem;
  font-weight: 300;
  margin-bottom: 1.5rem;
  letter-spacing: -1px;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--color-silver);
  margin-bottom: 3rem;
  font-weight: 300;
  max-width: 600px;
}

/* Buttons */
.btn-group {
  display: flex;
  gap: 1.5rem;
}

.btn {
  display: inline-block;
  padding: 1rem 2.5rem;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  font-weight: 600;
  cursor: pointer;
  border-radius: 0;
  transition: var(--transition-fast);
}

.btn-primary {
  background-color: var(--color-white);
  color: var(--color-black);
  border: 1px solid var(--color-white);
}

.btn-primary:hover {
  background-color: transparent;
  color: var(--color-white);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-white);
  border: 1px solid rgba(255,255,255,0.3);
}

.btn-outline:hover {
  border-color: var(--color-white);
  background-color: rgba(255,255,255,0.05);
}

/* Value Proposition */
.value-prop {
  background-color: var(--color-dark-gray);
  border-top: 1px solid var(--color-gray);
  border-bottom: 1px solid var(--color-gray);
}

.value-prop h2 {
  font-size: 2.5rem;
  margin-bottom: 1.5rem;
}

.value-prop p {
  font-size: 1.2rem;
  max-width: 800px;
  color: var(--color-light-gray);
}

/* About Section */
.split-section {
  display: flex;
  align-items: center;
  gap: 2.5rem;
}

.split-content {
  flex: 1;
}

.split-image {
  flex: 1;
  position: relative;
}

.split-image img {
  width: 100%;
  height: auto;
  filter: grayscale(100%);
  border-radius: 4px;
}

/* Footer */
.footer {
  background-color: var(--color-black);
  border-top: 1px solid var(--color-gray);
  padding: 3rem 0 1.5rem;
  font-size: 0.85rem;
  color: var(--color-light-gray);
}

.footer-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer h4 {
  font-size: 1.2rem;
  margin-bottom: 1.5rem;
  color: var(--color-silver);
}

.disclaimer {
  font-size: 0.75rem;
  color: #666;
  border-top: 1px solid var(--color-gray);
  padding-top: 2rem;
}

/* Utils */
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 3rem; }
.mt-8 { margin-top: 3rem; }

/* Grid layout for Onboarding steps */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.step-card {
  background: var(--color-dark-gray);
  padding: 2.5rem;
  border: 1px solid var(--color-gray);
  transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.step-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255,255,255,0.3);
}

.step-number {
  font-family: var(--font-heading);
  font-size: 3rem;
  color: var(--color-gray);
  font-weight: 300;
  margin-bottom: 1rem;
  line-height: 1;
}

.step-card h3 {
  font-size: 1.25rem;
  margin-bottom: 1rem;
}

/* Animations Trigger Class */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 1s ease;
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Visual Enhancements */
.btn-primary {
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.1);
}
.btn-primary:hover {
  box-shadow: 0 6px 20px rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}
.btn-outline:hover {
  box-shadow: 0 4px 15px rgba(255, 255, 255, 0.05);
  transform: translateY(-2px);
}
.step-card {
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}
.step-card:hover {
  box-shadow: 0 15px 40px rgba(255, 255, 255, 0.05);
  border-color: var(--color-silver);
}
input:focus, textarea:focus, select:focus {
  border-color: var(--color-white) !important;
  box-shadow: 0 0 10px rgba(255, 255, 255, 0.1);
}
.hero-content {
  text-shadow: 0 4px 20px rgba(0,0,0,0.8);
}

/* =========================================
   Mobile Responsiveness
   ========================================= */
@media (max-width: 768px) {
  /* Header */
  .header { padding: 1rem 0; position: static; }
  .header .container { flex-direction: column; gap: 1rem; }
  .nav-links { flex-wrap: wrap; justify-content: center; gap: 1rem; }
  .nav-links a { font-size: 0.8rem; }
  
  /* Sections & Spacing */
  .section { padding: 3rem 0; }
  .hero-content { padding-top: 2rem; }
  
  /* Typography */
  .hero-title { font-size: 2.5rem; }
  h1 { font-size: 2.2rem !important; }
  .value-prop h2 { font-size: 1.8rem; }
  .hero-subtitle { font-size: 1rem; margin-bottom: 2rem; }
  
  /* Layouts */
  .split-section { flex-direction: column !important; gap: 2rem; }
  .split-content { text-align: center; }
  
  /* Buttons */
  .btn-group { flex-direction: column; width: 100%; }
  .btn { width: 100%; text-align: center; padding: 1rem; }
  
  /* Footer */
  .footer-content { grid-template-columns: 1fr !important; gap: 2rem; }
  .footer-content > div { text-align: center !important; }
  .disclaimer { flex-direction: column; text-align: center; gap: 1rem; }
  
  /* Forms */
  form { width: 100% !important; }
}