@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800&display=swap');

:root {
  --bg-color: #000000;
  --bg-surface: #0a0a0a;
  --bg-surface-hover: #121212;
  --border-color: #262626;
  --text-primary: #ffffff;
  --text-secondary: #a3a3a3;
  --accent-color: #3b82f6; /* Modern Blue */
  --accent-hover: #2563eb;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  --max-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(3rem, 5vw, 4.5rem);
  margin-bottom: 1.5rem;
  color: #fff;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1rem;
}

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

/* Reusable Components */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 5%;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: rgba(255, 255, 255, 0.1);
  color: var(--text-secondary);
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-color);
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--text-primary);
  color: var(--bg-color);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  font-weight: 600;
  transition: all 0.2s ease;
  border: none;
  cursor: pointer;
  font-size: 1rem;
}

.cta-btn:hover {
  background: #e5e5e5;
  transform: translateY(-2px);
}

.cta-btn.primary {
  background: var(--accent-color);
  color: #fff;
}

.cta-btn.primary:hover {
  background: var(--accent-hover);
}

.card {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  transition: all 0.3s ease;
}

.card:hover {
  background: var(--bg-surface-hover);
  border-color: #404040;
}

/* Header */
header {
  position: fixed;
  top: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
  padding: 1rem 0;
  transition: all 0.3s ease;
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.logo img {
  height: 32px;
  width: auto;
  border-radius: 6px;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--text-primary);
}

/* Hero Section */
.hero {
  padding: 10rem 0 6rem;
  text-align: center;
  position: relative;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto 2.5rem;
}

.hero-bg {
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 100vw;
  height: 100vh;
  background: radial-gradient(circle at center, rgba(59, 130, 246, 0.15) 0%, rgba(0,0,0,0) 70%);
  z-index: -1;
  pointer-events: none;
}

/* Section Common */
section {
  padding: 6rem 0;
}

.section-header {
  margin-bottom: 4rem;
}

.section-header p {
  color: var(--text-secondary);
  font-size: 1.1rem;
  max-width: 600px;
  margin-top: 1rem;
}

/* Problem vs Solution */
.comparison-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
}

.comparison-card {
  padding: 3rem;
  border-radius: var(--radius-lg);
}

.comparison-card.before {
  background: #111;
  border: 1px solid var(--border-color);
}

.comparison-card.after {
  background: linear-gradient(180deg, rgba(59,130,246,0.1) 0%, rgba(0,0,0,0) 100%);
  border: 1px solid rgba(59, 130, 246, 0.3);
}

.comparison-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.comparison-card.before h3 { color: #f87171; }
.comparison-card.after h3 { color: #60a5fa; }

.comparison-list {
  list-style: none;
}

.comparison-list li {
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  color: var(--text-secondary);
}

.comparison-list li:last-child {
  border-bottom: none;
}

/* Services Bento Grid */
.bento-grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  grid-auto-rows: minmax(300px, auto);
  gap: 1.5rem;
}

.bento-item {
  background: var(--bg-surface);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  display: flex;
  flex-direction: column;
}

.bento-item:hover {
  border-color: #404040;
}

.bento-item:nth-child(1) { grid-column: span 8; }
.bento-item:nth-child(2) { grid-column: span 4; }
.bento-item:nth-child(3) { grid-column: span 4; }
.bento-item:nth-child(4) { grid-column: span 8; }

.bento-content {
  padding: 2.5rem;
  flex: 1;
}

.bento-item h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.bento-item p {
  color: var(--text-secondary);
  font-size: 1rem;
}

.bento-image {
  width: 100%;
  height: 250px;
  object-fit: cover;
  border-top: 1px solid var(--border-color);
  filter: grayscale(100%) opacity(0.8);
  transition: filter 0.3s ease;
}

.bento-item:hover .bento-image {
  filter: grayscale(0%) opacity(1);
}

/* Scaling / Stats */
.scaling-section {
  background: var(--bg-surface);
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
  padding: 6rem 0;
  text-align: center;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 4rem;
}

.stat-box h4 {
  font-size: 4rem;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.stat-box p {
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-size: 0.9rem;
  font-weight: 600;
}

/* Testimonials */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
}

.testimonial-card p {
  font-size: 1.1rem;
  margin-bottom: 2rem;
  color: var(--text-secondary);
  font-style: italic;
}

.author {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.author-info h4 {
  font-size: 1rem;
  margin-bottom: 0.2rem;
}

.author-info p {
  font-size: 0.85rem;
  color: var(--text-secondary);
  margin: 0;
}

/* FAQ */
.faq-list {
  max-width: 800px;
  margin: 0 auto;
}

.faq-item {
  border-bottom: 1px solid var(--border-color);
}

.faq-question {
  width: 100%;
  text-align: left;
  background: transparent;
  border: none;
  padding: 1.5rem 0;
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: inherit;
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer p {
  padding-bottom: 1.5rem;
  color: var(--text-secondary);
}

/* Contact Footer */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 4rem;
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.info-block h3 {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  margin-bottom: 0.5rem;
}

.info-block p {
  font-weight: 500;
}

.contact-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
}

.form-group.full {
  grid-column: span 2;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 1rem;
  background: transparent;
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-family: inherit;
  transition: border-color 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: var(--text-secondary);
}

.contact-form textarea {
  min-height: 120px;
  resize: vertical;
}

footer {
  text-align: center;
  padding: 3rem 0;
  border-top: 1px solid var(--border-color);
  margin-top: 4rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 1024px) {
  .bento-item:nth-child(1), .bento-item:nth-child(2),
  .bento-item:nth-child(3), .bento-item:nth-child(4) {
    grid-column: span 6;
  }
  .testimonials-grid, .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-links { display: none; }
  .comparison-grid, .contact-grid {
    grid-template-columns: 1fr;
  }
  .bento-item:nth-child(1), .bento-item:nth-child(2),
  .bento-item:nth-child(3), .bento-item:nth-child(4) {
    grid-column: span 12;
  }
  .testimonials-grid, .stats-grid {
    grid-template-columns: 1fr;
  }
  .contact-form {
    grid-template-columns: 1fr;
  }
  .form-group {
    grid-column: span 1;
  }
}

/* Animations */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

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