:root {
  /* Colors */
  --color-primary: #E50000; /* Bright Red */
  --color-primary-dark: #B20000; /* Darker Red */
  --color-accent: #FFD700; /* Gold/Yellow for highlights */
  --color-background: #0A0A0F; /* Near-black dark background */
  --color-surface: #1A1A20; /* Slightly lighter dark for cards/sections */
  --color-text-primary: #F8F8F8; /* Off-white for main text */
  --color-text-secondary: #B0B0B0; /* Lighter gray for secondary text */
  --color-text-muted: #707070; /* Muted gray for small text */
  --color-border: #333338; /* Dark border color */
  --color-white: #FFFFFF;
  --color-black: #000000;

  /* Gradients */
  --gradient-hero: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-black) 100%);
  --gradient-button: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);

  /* Typography */
  --font-display: 'Clash Display', sans-serif;
  --font-body: 'DM Sans', sans-serif;

  --text-sm: 0.875rem; /* 14px */
  --text-base: 1rem; /* 16px */
  --text-lg: 1.125rem; /* 18px */
  --text-xl: 1.25rem; /* 20px */
  --text-2xl: 1.5rem; /* 24px */
  --text-3xl: 1.875rem; /* 30px */
  --text-4xl: 2.25rem; /* 36px */
  --text-5xl: 3rem; /* 48px */
  --text-6xl: 3.75rem; /* 60px */
  --text-7xl: 4.5rem; /* 72px */

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-2xl: 4rem;
  --spacing-3xl: 5rem;
  --section-padding-y: 6rem; /* 96px */
  --container-max-width: 1200px;
}

/* Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--color-text-primary);
  background-color: var(--color-background);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  color: var(--color-white);
  line-height: 1.2;
  margin-bottom: var(--spacing-md);
}

h1 { font-size: var(--text-6xl); }
h2 { font-size: var(--text-5xl); }
h3 { font-size: var(--text-3xl); }
p { font-size: var(--text-lg); margin-bottom: var(--spacing-md); }

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

section {
  padding: var(--section-padding-y) 0;
  position: relative;
  overflow: hidden;
}

.section-bg-light {
  background-color: var(--color-surface);
}

.section-title {
  font-size: var(--text-5xl);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.03em;
}

.section-title-small {
  font-size: var(--text-3xl);
  text-align: center;
  margin-bottom: var(--spacing-lg);
  letter-spacing: -0.02em;
}

.section-description {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  text-align: center;
  max-width: 800px;
  margin: 0 auto var(--spacing-2xl);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-radius: 9999px; /* Pill shape */
  font-weight: 700;
  font-size: var(--text-base);
  cursor: pointer;
  border: none;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.btn-primary {
  background: var(--gradient-button);
  color: var(--color-white);
  box-shadow: 0 8px 20px rgba(229, 0, 0, 0.3);
}

.btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 25px rgba(229, 0, 0, 0.4);
  filter: brightness(1.1);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(229, 0, 0, 0.2);
}

.btn-lg {
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: var(--text-lg);
}

/* Header & Navigation */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  padding: var(--spacing-md) 0;
  transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}

.header.scrolled {
  background-color: rgba(10, 10, 15, 0.8);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

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

.logo {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-primary);
  letter-spacing: -0.05em;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--spacing-xl);
}

.nav-list {
  list-style: none;
  display: flex;
  gap: var(--spacing-lg);
}

.nav-link {
  color: var(--color-text-primary);
  font-size: var(--text-base);
  font-weight: 500;
  position: relative;
  padding: 0.25rem 0;
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--color-primary);
  transition: width 0.3s ease;
}

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

.nav-cta {
  margin-left: var(--spacing-lg);
}

.hamburger-menu {
  display: none;
  flex-direction: column;
  justify-content: space-between;
  width: 30px;
  height: 21px;
  background: transparent;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 1001;
}

.hamburger-menu span {
  display: block;
  width: 100%;
  height: 3px;
  background-color: var(--color-white);
  border-radius: 3px;
  transition: all 0.3s ease;
}

.hamburger-menu.active span:nth-child(1) {
  transform: translateY(9px) rotate(45deg);
}

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

.hamburger-menu.active span:nth-child(3) {
  transform: translateY(-9px) rotate(-45deg);
}

/* Hero Section */
.hero-section {
  background: var(--gradient-hero);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  padding-top: 80px; /* Account for fixed header */
}

.hero-visual {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23e50000' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zm0 30v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0 30v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zm0-30V0H4v4H0v2h4v4h2V6h4V4H6zm0 30v-4H4v4H0v2h4v4h2v-4h4v-2H6zm0 30v-4H4v4H0v2h4v4h2v-4h4v-2H6zM36 4v-4h-2v4h-4v2h4v4h2V6h4V4h-4zM6 4v-4H4v4H0v2h4v4h2V6h4V4H6zM36 64v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zM6 64v-4H4v4H0v2h4v4h2v-4h4v-2H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.05;
  pointer-events: none;
  z-index: 0;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  animation: fadeInScale 1s ease-out forwards;
  animation-delay: 0.5s;
  opacity: 0;
  transform: translateY(20px);
}

.hero-headline {
  font-size: var(--text-7xl);
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.04em;
  text-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.hero-subheadline {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto var(--spacing-2xl);
}

.hero-ctas {
  display: flex;
  gap: var(--spacing-lg);
  justify-content: center;
}

/* Social Proof */
.social-proof-section {
  background-color: var(--color-surface);
  padding: var(--spacing-3xl) 0;
  border-bottom: 1px solid var(--color-border);
}

.logo-grid {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-2xl);
  margin-top: var(--spacing-xl);
}

.logo-item {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 600;
  color: var(--color-text-muted);
  opacity: 0.7;
  transition: opacity 0.3s ease, color 0.3s ease;
}

.logo-item:hover {
  opacity: 1;
  color: var(--color-text-primary);
}

/* Services Section */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.service-card {
  background-color: var(--color-background);
  border-radius: 16px;
  padding: var(--spacing-2xl);
  text-align: center;
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border: 1px solid var(--color-border);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
}

.service-icon {
  font-size: var(--text-4xl);
  margin-bottom: var(--spacing-md);
  color: var(--color-primary);
}

.service-card h3 {
  font-size: var(--text-2xl);
  margin-bottom: var(--spacing-sm);
}

.service-card p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* How It Works Section */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.process-step {
  background-color: var(--color-surface);
  border-radius: 16px;
  padding: var(--spacing-2xl);
  text-align: center;
  position: relative;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.15);
  border: 1px solid var(--color-border);
}

.step-number {
  width: 60px;
  height: 60px;
  background: var(--gradient-button);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-white);
  margin: 0 auto var(--spacing-md);
  box-shadow: 0 5px 15px rgba(229, 0, 0, 0.3);
}

.process-step h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--spacing-sm);
}

.process-step p {
  font-size: var(--text-base);
  color: var(--color-text-secondary);
  margin-bottom: 0;
}

/* Stats Section */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-lg);
  text-align: center;
}

.stat-item {
  padding: var(--spacing-lg);
}

.stat-number {
  font-family: var(--font-display);
  font-size: var(--text-6xl);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-xs);
  letter-spacing: -0.03em;
}

.stat-label {
  font-size: var(--text-lg);
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0;
}

/* Testimonials Section */
.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-xl);
  margin-top: var(--spacing-2xl);
}

.testimonial-card {
  background-color: var(--color-surface);
  border-radius: 16px;
  padding: var(--spacing-2xl);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.testimonial-quote {
  font-size: var(--text-lg);
  font-style: italic;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-md);
}

.testimonial-author {
  font-weight: 700;
  color: var(--color-primary);
  font-size: var(--text-base);
}

.testimonial-role {
  font-weight: 400;
  color: var(--color-text-secondary);
  font-size: var(--text-sm);
  display: block;
  margin-top: var(--spacing-xs);
}

/* FAQ Section */
.faq-accordion {
  max-width: 800px;
  margin: var(--spacing-2xl) auto 0;
}

.accordion-item {
  background-color: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: 12px;
  margin-bottom: var(--spacing-sm);
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.accordion-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: var(--spacing-md) var(--spacing-lg);
  background-color: var(--color-surface);
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  border: none;
  cursor: pointer;
  text-align: left;
  transition: background-color 0.3s ease;
}

.accordion-header:hover {
  background-color: var(--color-border);
}

.accordion-header::after {
  content: '+';
  font-size: var(--text-xl);
  font-weight: 700;
  transition: transform 0.3s ease;
}

.accordion-header.active::after {
  content: '-';
  transform: rotate(180deg);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
}

.accordion-content p {
  padding: 0 var(--spacing-lg) var(--spacing-md);
  color: var(--color-text-secondary);
  font-size: var(--text-base);
  margin-bottom: 0;
}

/* CTA Section */
.cta-section {
  background: var(--gradient-hero); /* Reusing hero gradient for consistency */
  text-align: center;
  padding: var(--section-padding-y) 0;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23e50000' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zm0 30v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0 30v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zm0-30V0H4v4H0v2h4v4h2V6h4V4H6zm0 30v-4H4v4H0v2h4v4h2v-4h4v-2H6zm0 30v-4H4v4H0v2h4v4h2v-4h4v-2H6zM36 4v-4h-2v4h-4v2h4v4h2V6h4V4h-4zM6 4v-4H4v4H0v2h4v4h2V6h4V4H6zM36 64v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zM6 64v-4H4v4H0v2h4v4h2v-4h4v-2H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
  opacity: 0.05;
  pointer-events: none;
  z-index: 0;
}

.cta-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
}

.cta-headline {
  font-size: var(--text-6xl);
  margin-bottom: var(--spacing-md);
  letter-spacing: -0.04em;
}

.cta-description {
  font-size: var(--text-xl);
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-xl);
}

.or-text {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  margin: var(--spacing-lg) 0;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.cta-form {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  max-width: 500px;
  margin: 0 auto;
}

.cta-form input[type="email"] {
  flex-grow: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 9999px;
  border: 1px solid var(--color-border);
  background-color: var(--color-background);
  color: var(--color-text-primary);
  font-size: var(--text-base);
  outline: none;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.cta-form input[type="email"]::placeholder {
  color: var(--color-text-muted);
}

.cta-form input[type="email"]:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(229, 0, 0, 0.2);
}

/* Footer */
.footer {
  background-color: var(--color-black);
  color: var(--color-text-secondary);
  padding: var(--section-padding-y) 0 var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-2xl);
  margin-bottom: var(--spacing-3xl);
}

.footer-logo {
  color: var(--color-primary);
  font-size: var(--text-3xl);
  margin-bottom: var(--spacing-sm);
  display: inline-block;
}

.footer-tagline {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  margin-bottom: var(--spacing-lg);
}

.footer-col h3 {
  font-size: var(--text-xl);
  color: var(--color-white);
  margin-bottom: var(--spacing-md);
}

.footer-col ul {
  list-style: none;
}

.footer-col ul li {
  margin-bottom: var(--spacing-xs);
}

.footer-col ul li a {
  color: var(--color-text-secondary);
  font-size: var(--text-base);
}

.footer-col ul li a:hover {
  color: var(--color-primary);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
}

.social-links a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--color-surface);
  color: var(--color-text-primary);
  font-size: var(--text-lg);
  transition: background-color 0.3s ease, color 0.3s ease;
}

.social-links a:hover {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-md);
  border-top: 1px solid var(--color-border);
}

.footer-bottom p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-bottom: 0;
}

/* Animations */
@keyframes fadeInScale {
  from {
    opacity: 0;
    transform: translateY(20px) scale(0.98);
  }
  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.active {
  opacity: 1;
  transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 1024px) {
  :root {
    --text-7xl: 3.5rem; /* 56px */
    --text-6xl: 3rem; /* 48px */
    --text-5xl: 2.5rem; /* 40px */
    --text-4xl: 2rem; /* 32px */
    --section-padding-y: 5rem; /* 80px */
  }

  .nav-menu {
    gap: var(--spacing-lg);
  }

  .nav-list {
    gap: var(--spacing-md);
  }

  .hero-headline {
    font-size: var(--text-6xl);
  }

  .hero-subheadline {
    font-size: var(--text-lg);
  }

  .section-title {
    font-size: var(--text-4xl);
  }

  .section-description {
    font-size: var(--text-base);
  }

  .cta-headline {
    font-size: var(--text-5xl);
  }
}

@media (max-width: 768px) {
  :root {
    --text-7xl: 2.8rem; /* 45px */
    --text-6xl: 2.5rem; /* 40px */
    --text-5xl: 2rem; /* 32px */
    --text-4xl: 1.8rem; /* 28px */
    --text-3xl: 1.5rem; /* 24px */
    --text-2xl: 1.25rem; /* 20px */
    --text-xl: 1.125rem; /* 18px */
    --text-lg: 1rem; /* 16px */
    --text-base: 0.9375rem; /* 15px */
    --section-padding-y: 4rem; /* 64px */
  }

  .nav-menu {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background-color: var(--color-background);
    justify-content: center;
    align-items: center;
    gap: var(--spacing-2xl);
    transform: translateX(100%);
    transition: transform 0.4s ease-out;
  }

  .nav-menu.active {
    transform: translateX(0);
  }

  .nav-list {
    flex-direction: column;
    text-align: center;
    gap: var(--spacing-xl);
  }

  .nav-link {
    font-size: var(--text-3xl);
    padding: var(--spacing-sm) 0;
  }

  .nav-cta {
    margin-left: 0;
    font-size: var(--text-xl);
    padding: var(--spacing-md) var(--spacing-2xl);
  }

  .hamburger-menu {
    display: flex;
  }

  .hero-content {
    padding: 0 var(--spacing-sm);
  }

  .hero-headline {
    font-size: var(--text-5xl);
  }

  .hero-subheadline {
    font-size: var(--text-base);
  }

  .hero-ctas {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .btn-lg {
    width: 100%;
    max-width: 300px;
  }

  .logo-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
  }

  .logo-item {
    font-size: var(--text-xl);
  }

  .services-grid, .process-grid, .testimonials-grid, .stats-grid, .footer-grid {
    grid-template-columns: 1fr;
  }

  .service-card, .process-step, .testimonial-card {
    padding: var(--spacing-lg);
  }

  .stat-number {
    font-size: var(--text-5xl);
  }

  .cta-headline {
    font-size: var(--text-4xl);
  }

  .cta-description {
    font-size: var(--text-base);
  }

  .cta-form {
    flex-direction: column;
    gap: var(--spacing-md);
  }

  .cta-form input[type="email"], .cta-form button {
    width: 100%;
  }

  .footer-grid {
    text-align: center;
  }

  .footer-col ul {
    padding-left: 0;
  }

  .social-links {
    justify-content: center;
  }
}