/* Layout & Utilities */
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 var(--spacing-lg); }
.flex { display: flex; }
.grid { display: grid; }
.w-full { width: 100%; }

/* Typography */
.h1 { font-size: clamp(3rem, 5vw, 5rem); font-weight: 700; line-height: 1.1; letter-spacing: -0.04em; }
.h2 { font-size: clamp(2rem, 4vw, 3.5rem); font-weight: 600; line-height: 1.2; letter-spacing: -0.02em; }
.text-gradient { background: var(--brand-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; display: inline-block; }
.subtitle { font-size: clamp(1.125rem, 2vw, 1.25rem); color: var(--text-secondary); max-width: 600px; }

/* Aurora Background */
.aurora-bg {
  position: absolute; top: -50%; left: -50%; width: 200%; height: 200%;
  background: radial-gradient(circle at 50% 50%, rgba(230, 0, 0, 0.1) 0%, transparent 50%),
              radial-gradient(circle at 80% 20%, rgba(139, 0, 0, 0.1) 0%, transparent 50%);
  filter: blur(100px); z-index: -1; animation: aurora-move 20s linear infinite alternate; pointer-events: none;
}
@keyframes aurora-move {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(-5%, 5%) scale(1.1); }
}

/* Navbar */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; height: 80px; display: flex; align-items: center; border-bottom: 1px solid transparent; transition: var(--transition-normal); z-index: 100;
}
.navbar.scrolled {
  background: rgba(5, 5, 5, 0.8); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom-color: var(--border-color);
}
.nav-container { display: flex; justify-content: space-between; align-items: center; width: 100%; }
.brand-logo-container { display: flex; align-items: center; gap: 12px; }
.brand-logo-svg { width: 40px; height: 40px; }
.brand-text-wrapper { display: flex; flex-direction: column; line-height: 1; }
.brand-text-main { font-weight: 700; font-size: 1.25rem; letter-spacing: 0.05em; color: var(--text-primary); }
.brand-text-main span { background: var(--brand-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
.brand-text-sub { font-size: 0.6rem; letter-spacing: 0.3em; color: var(--text-secondary); margin-top: 4px; padding-left: 2px; }

.nav-links { display: flex; gap: var(--spacing-lg); align-items: center;}
.nav-links a { color: var(--text-secondary); font-size: 0.875rem; font-weight: 500; transition: var(--transition-fast); }
.nav-links a:hover { color: var(--text-primary); }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 0.75rem 1.5rem; border-radius: var(--radius-full); font-size: 0.875rem; font-weight: 600; cursor: pointer; transition: var(--transition-normal); border: 1px solid transparent; }
.btn-primary { background: var(--brand-gradient); color: var(--text-primary); box-shadow: 0 4px 15px rgba(230, 0, 0, 0.2); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(230, 0, 0, 0.3); }
.btn-secondary { background: var(--bg-glass); color: var(--text-primary); border-color: var(--border-color); backdrop-filter: blur(10px); }
.btn-secondary:hover { background: var(--bg-glass-hover); border-color: var(--border-hover); }

/* Hero */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; justify-content: center; text-align: center; padding-top: 80px; overflow: hidden; }
.hero-content { display: flex; flex-direction: column; align-items: center; gap: var(--spacing-lg); z-index: 1; }
.hero .cta-group { display: flex; gap: var(--spacing-md); margin-top: var(--spacing-md); }

/* Features */
.section { padding: var(--spacing-2xl) 0; }
.section-header { text-align: center; margin-bottom: var(--spacing-xl); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--spacing-lg); }
.feature-card { background: var(--bg-glass); border: 1px solid var(--border-color); border-radius: var(--radius-lg); padding: var(--spacing-lg); backdrop-filter: blur(10px); transition: var(--transition-normal); }
.feature-card:hover { transform: translateY(-5px); border-color: var(--border-hover); background: var(--bg-glass-hover); }
.feature-icon { width: 48px; height: 48px; border-radius: var(--radius-md); background: rgba(255,255,255,0.05); display: flex; align-items: center; justify-content: center; margin-bottom: var(--spacing-md); border: 1px solid var(--border-color); }
.feature-title { font-size: 1.25rem; font-weight: 600; margin-bottom: var(--spacing-sm); }
.feature-desc { color: var(--text-secondary); font-size: 0.9375rem; }

/* Pricing */
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: var(--spacing-lg); max-width: 900px; margin: 0 auto; }
.pricing-card { background: var(--bg-glass); border: 1px solid var(--border-color); border-radius: var(--radius-xl); padding: var(--spacing-xl); backdrop-filter: blur(10px); position: relative; transition: var(--transition-normal); }
.pricing-card:hover { transform: translateY(-5px); border-color: var(--border-hover); box-shadow: var(--shadow-glow); }
.pricing-card.pro { background: rgba(230, 0, 0, 0.05); border-color: var(--accent-tertiary); box-shadow: 0 0 30px rgba(230, 0, 0, 0.1); }
.pricing-card .badge { position: absolute; top: -12px; left: 50%; transform: translateX(-50%); background: var(--text-primary); color: var(--bg-primary); padding: 4px 12px; border-radius: var(--radius-full); font-size: 0.75rem; font-weight: 600; }
.pricing-tier { font-size: 1.5rem; font-weight: 600; margin-bottom: var(--spacing-sm); }
.pricing-price { font-size: 3rem; font-weight: 700; margin-bottom: var(--spacing-lg); }
.pricing-price span { font-size: 1rem; font-weight: 500; color: var(--text-secondary); }
.pricing-features { margin-bottom: var(--spacing-xl); }
.pricing-features li { display: flex; align-items: center; gap: var(--spacing-sm); margin-bottom: var(--spacing-sm); color: var(--text-secondary); }
.pricing-features svg { width: 18px; height: 18px; color: var(--accent-secondary); }

/* Testimonials */
.carousel-wrapper { position: relative; width: 100%; display: flex; align-items: center; }
.carousel-btn { position: absolute; top: 50%; transform: translateY(-50%); z-index: 10; width: 40px; height: 40px; border-radius: 50%; background: var(--bg-glass); border: 1px solid var(--border-color); color: var(--text-primary); display: flex; align-items: center; justify-content: center; cursor: pointer; backdrop-filter: blur(10px); transition: var(--transition-normal); box-shadow: 0 4px 12px rgba(0,0,0,0.2); }
.carousel-btn:hover { background: var(--bg-glass-hover); border-color: var(--border-hover); color: #E60000; }
.carousel-btn svg { width: 20px; height: 20px; }
.prev-btn { left: -10px; }
.next-btn { right: -10px; }
@media (min-width: 768px) { .prev-btn { left: -20px; } .next-btn { right: -20px; } }
.testimonials-carousel { display: flex; overflow-x: auto; scroll-snap-type: x mandatory; gap: var(--spacing-lg); padding-bottom: var(--spacing-md); -ms-overflow-style: none; scrollbar-width: none; width: 100%; scroll-behavior: smooth; }
.testimonials-carousel::-webkit-scrollbar { display: none; }
.testimonial-card { flex: 0 0 100%; max-width: 500px; scroll-snap-align: center; background: var(--bg-glass); border: 1px solid var(--border-color); border-radius: var(--radius-xl); padding: var(--spacing-xl); backdrop-filter: blur(10px); transition: var(--transition-normal); display: flex; flex-direction: column; gap: var(--spacing-md); }
@media (min-width: 768px) { .testimonial-card { flex: 0 0 calc(50% - var(--spacing-lg)); scroll-snap-align: start; } }
.testimonial-card:hover { border-color: var(--border-hover); background: var(--bg-glass-hover); transform: translateY(-3px); }
.testimonial-header { display: flex; align-items: center; gap: var(--spacing-md); }
.testimonial-img { width: 56px; height: 56px; border-radius: 50%; object-fit: cover; border: 2px solid var(--border-color); }
.testimonial-info { display: flex; flex-direction: column; }
.testimonial-name { font-weight: 600; font-size: 1.1rem; color: var(--text-primary); }
.testimonial-role { font-size: 0.85rem; color: var(--text-secondary); }
.testimonial-stars { color: #E60000; font-size: 1rem; margin-top: 4px; letter-spacing: 2px; }
.testimonial-text { font-size: 1rem; color: var(--text-secondary); font-style: italic; line-height: 1.6; flex-grow: 1; }
.testimonial-link { font-size: 0.85rem; font-weight: 600; color: var(--text-primary); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; transition: color 0.2s; align-self: flex-start; }
.testimonial-link:hover { color: #E60000; }
.testimonial-link svg { width: 14px; height: 14px; }

/* Footer */
.footer { border-top: 1px solid var(--border-color); padding: var(--spacing-2xl) 0 var(--spacing-lg); margin-top: var(--spacing-2xl); }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: var(--spacing-xl); margin-bottom: var(--spacing-xl); }
.footer h4 { font-size: 1rem; font-weight: 600; margin-bottom: var(--spacing-md); }
.footer ul li { margin-bottom: var(--spacing-sm); }
.footer ul a { color: var(--text-secondary); font-size: 0.875rem; transition: var(--transition-fast); }
.footer ul a:hover { color: var(--text-primary); }
.footer-bottom { border-top: 1px solid var(--border-color); padding-top: var(--spacing-lg); text-align: center; color: var(--text-secondary); font-size: 0.875rem; }

@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; flex-direction: column; position: absolute; top: 80px; left: 0; right: 0; background: var(--bg-primary); padding: var(--spacing-lg); border-bottom: 1px solid var(--border-color); }
  .nav-links.show { display: flex; }
  .mobile-menu-btn { display: block !important; cursor: pointer; }
}

/* Animations */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.reveal.active { opacity: 1; transform: translateY(0); }