/* CSS Reset - Minimal */
*, *::before, *::after {
box-sizing: border-box;
margin: 0;
padding: 0;
}

html {
scroll-behavior: smooth;
}

body {
font-family: 'Inter', sans-serif;
background-color: var(--bg-primary);
color: var(--text-primary);
line-height: 1.6;
}

img {
max-width: 100%;
display: block;
}

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

ul {
list-style: none;
}

button {
cursor: pointer;
border: none;
background: none;
font-family: inherit;
}

/* CSS Custom Properties */
:root {
/* Colors */
--bg-primary: #0A0A0F;
--bg-secondary: #141418;
--accent: #7C3AED;
--accent-light: #A78BFA;
--text-primary: #F5F5F5;
--text-secondary: #9CA3AF;
--text-muted: #6B7280;
--border: #27272A;
--star: #FBBF24;

/* Spacing (8-point grid) */
--space-1: 4px;
--space-2: 8px;
--space-3: 16px;
--space-4: 24px;
--space-5: 32px;
--space-6: 48px;
--space-7: 64px;
--space-8: 80px;
--space-9: 120px;

/* Border radius */
--radius-sm: 8px;
--radius-md: 12px;
--radius-full: 9999px;

/* Typography */
--font-body: 'Inter', sans-serif;

/* Container */
--container: 1280px;
--container-content: 900px;
}

/* Utility Classes */
.container {
max-width: var(--container);
margin: 0 auto;
padding: 0 var(--space-4);
}

.container-content {
max-width: var(--container-content);
margin: 0 auto;
padding: 0 var(--space-4);
}

.section-padding {
padding: var(--space-9) 0;
}

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

/* Typography utilities */
.eyebrow {
color: var(--accent);
font-size: 12px;
font-weight: 500;
text-transform: uppercase;
letter-spacing: 0.05em;
margin-bottom: var(--space-3);
}

/* Responsive utilities */
@media (max-width: 1024px) {
.section-padding {
padding: var(--space-8) 0;
}
}

@media (max-width: 640px) {
.section-padding {
padding: var(--space-6) 0;
}
}

/* ============================================
HEADER COMPONENT
============================================ */

.header {
position: fixed;
top: 0;
left: 0;
right: 0;
z-index: 1000;
height: 80px;
transition: background-color 0.3s ease, backdrop-filter 0.3s ease;
}

.header.scrolled {
background-color: rgba(10, 10, 15, 0.9);
backdrop-filter: blur(10px);
}

.header-container {
display: flex;
align-items: center;
justify-content: space-between;
height: 100%;
}

.logo {
font-size: 24px;
font-weight: 700;
color: var(--text-primary);
background: linear-gradient(135deg, var(--accent) 0%, var(--accent-light) 100%);
-webkit-background-clip: text;
-webkit-text-fill-color: transparent;
background-clip: text;
}

/* Navigation Desktop */
.nav-desktop {
display: flex;
}

.nav-links {
display: flex;
gap: var(--space-5);
}

.nav-links a {
color: var(--text-secondary);
font-weight: 500;
font-size: 15px;
transition: color 0.2s ease;
}

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

/* Buttons */
.btn {
display: inline-flex;
align-items: center;
justify-content: center;
padding: 12px 24px;
font-size: 15px;
font-weight: 600;
border-radius: var(--radius-sm);
transition: all 0.2s ease;
cursor: pointer;
border: none;
}

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

.btn-primary:hover {
background-color: var(--accent-light);
transform: translateY(-1px);
}

.btn-secondary {
background-color: transparent;
color: var(--text-primary);
border: 1px solid var(--border);
}

.btn-secondary:hover {
background-color: var(--bg-secondary);
border-color: var(--accent);
}

.btn-large {
padding: 16px 32px;
font-size: 16px;
}

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

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

/* Mobile Menu Toggle */
.menu-toggle {
display: none;
flex-direction: column;
justify-content: space-between;
width: 28px;
height: 20px;
padding: 0;
background: none;
border: none;
cursor: pointer;
z-index: 1001;
}

.menu-toggle span {
display: block;
width: 100%;
height: 2px;
background-color: var(--text-primary);
border-radius: 2px;
transition: all 0.3s ease;
transform-origin: center;
}

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

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

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

/* Mobile Navigation */
.nav-mobile {
display: none;
position: fixed;
top: 80px;
left: 0;
right: 0;
bottom: 0;
background-color: var(--bg-primary);
z-index: 999;
padding: var(--space-6) var(--space-4);
}

.nav-mobile.active {
display: flex;
flex-direction: column;
align-items: center;
justify-content: flex-start;
}

.nav-mobile-links {
display: flex;
flex-direction: column;
align-items: center;
gap: var(--space-5);
width: 100%;
}

.nav-mobile-links li {
width: 100%;
text-align: center;
}

.nav-mobile-links a {
display: block;
color: var(--text-primary);
font-size: 24px;
font-weight: 600;
padding: var(--space-3) 0;
}

.nav-mobile-links .btn {
margin-top: var(--space-4);
width: 100%;
max-width: 280px;
}

/* Body scroll lock when mobile menu is open */
body.menu-open {
overflow: hidden;
}

/* Responsive Styles */
@media (max-width: 768px) {
.header {
height: 64px;
}

.nav-desktop,
.header-container > .btn {
display: none;
}

.menu-toggle {
display: flex;
}

.nav-mobile {
top: 64px;
}
}

/* ============================================
HERO SECTION
============================================ */

.hero {
min-height: 100vh;
display: flex;
align-items: center;
justify-content: center;
padding-top: 80px;
position: relative;
overflow: hidden;
}

.hero-bg {
position: absolute;
inset: 0;
z-index: 0;
background-image:
linear-gradient(rgba(124, 58, 237, 0.03) 1px, transparent 1px),
linear-gradient(90deg, rgba(124, 58, 237, 0.03) 1px, transparent 1px);
background-size: 60px 60px;
}

.hero-bg::before {
content: '';
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
width: 600px;
height: 600px;
background: radial-gradient(circle, rgba(124, 58, 237, 0.15) 0%, transparent 70%);
filter: blur(60px);
border-radius: 50%;
}

.hero-content {
position: relative;
z-index: 1;
width: 100%;
}

.hero-badge {
display: inline-block;
padding: 8px 16px;
border: 1px solid var(--accent);
border-radius: var(--radius-full);
color: var(--accent-light);
font-size: 14px;
font-weight: 500;
margin-bottom: var(--space-4);
}

.hero-title {
font-size: 56px;
font-weight: 700;
line-height: 1.1;
margin-bottom: var(--space-4);
color: var(--text-primary);
}

.hero-subtitle {
font-size: 20px;
color: var(--text-secondary);
max-width: 600px;
margin: 0 auto var(--space-6);
line-height: 1.6;
}

.hero-ctas {
display: flex;
gap: var(--space-4);
justify-content: center;
flex-wrap: wrap;
}

/* Hero Responsive */
@media (max-width: 1024px) {
.hero-title {
font-size: 40px;
}
}

@media (max-width: 640px) {
.hero {
padding-top: 64px;
}

.hero-title {
font-size: 32px;
}

.hero-subtitle {
font-size: 18px;
}
}

/* ============================================
FEATURES SECTION
============================================ */
.section-title {
font-size: 40px;
font-weight: 600;
line-height: 1.2;
margin-bottom: var(--space-3);
}

.section-subtitle {
font-size: 18px;
color: var(--text-secondary);
margin-bottom: var(--space-7);
}

/* Features Grid */
.features-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: var(--space-5);
margin-top: var(--space-7);
}

.feature-card {
background-color: var(--bg-secondary);
border: 1px solid var(--border);
border-radius: var(--radius-md);
padding: var(--space-6);
transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
transform: translateY(-8px);
border-color: var(--accent);
box-shadow: 0 20px 40px rgba(124, 58, 237, 0.15);
}

.feature-card .feature-icon {
width: 60px;
height: 60px;
border-radius: var(--radius-md);
background: linear-gradient(135deg, rgba(124, 58, 237, 0.2) 0%, rgba(124, 58, 237, 0.05) 100%);
display: flex;
align-items: center;
justify-content: center;
color: var(--accent);
margin-bottom: var(--space-4);
transition: transform 0.3s ease;
}

.feature-card:hover .feature-icon {
transform: scale(1.1);
}

.feature-card h3 {
font-size: 20px;
font-weight: 600;
margin-bottom: var(--space-2);
color: var(--text-primary);
}

.feature-card p {
color: var(--text-secondary);
font-size: 15px;
line-height: 1.6;
}

/* Responsive */
@media (max-width: 1024px) {
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    .feature-card {
        padding: var(--space-5);
    }
    .section-title {
        font-size: 32px;
    }
}

/* ============================================
PRICING SECTION
============================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
    align-items: start;
    justify-items: center;
}

.pricing-card {
background-color: var(--bg-secondary);
border: 1px solid var(--border);
border-radius: var(--radius-md);
padding: var(--space-6);
position: relative;
}

.pricing-card-featured {
border-color: var(--accent);
box-shadow: 0 0 40px rgba(124, 58, 237, 0.15);
transform: scale(1.05);
}

.pricing-badge {
position: absolute;
top: -12px;
left: 50%;
transform: translateX(-50%);
background-color: var(--accent);
color: white;
font-size: 12px;
font-weight: 600;
padding: 4px 12px;
border-radius: var(--radius-full);
}

.pricing-header {
margin-bottom: var(--space-4);
}

.pricing-header h3 {
font-size: 24px;
font-weight: 600;
margin-bottom: var(--space-1);
}

.pricing-desc {
color: var(--text-secondary);
font-size: 14px;
}

.pricing-price {
margin-bottom: var(--space-5);
display: flex;
align-items: baseline;
gap: 4px;
}

.price {
font-size: 48px;
font-weight: 700;
}

.period {
color: var(--text-secondary);
font-size: 16px;
}

.pricing-features {
margin-bottom: var(--space-5);
}

.pricing-features li {
display: flex;
align-items: center;
gap: var(--space-2);
padding: var(--space-2) 0;
color: var(--text-secondary);
font-size: 14px;
}

.check {
width: 16px;
height: 16px;
background-color: var(--accent);
border-radius: 50%;
position: relative;
flex-shrink: 0;
}

.check::after {
content: '';
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -60%) rotate(45deg);
width: 4px;
height: 8px;
border: solid white;
border-width: 0 2px 2px 0;
}

.btn-full {
width: 100%;
}

@media (max-width: 1024px) {
.pricing-grid {
grid-template-columns: 1fr;
max-width: 400px;
margin: 0 auto;
}
.pricing-card-featured {
transform: scale(1);
order: -1;
}
}

/* ============================================
TESTIMONIALS SECTION
============================================ */
.testimonials {
background-color: #0D0D12;
}

.testimonials-grid {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: var(--space-5);
margin-top: var(--space-7);
}

.testimonial-card {
background-color: var(--bg-secondary);
border: 1px solid var(--border);
border-radius: var(--radius-md);
padding: var(--space-5);
}

.stars {
display: flex;
gap: 4px;
margin-bottom: var(--space-3);
}

.stars span {
width: 16px;
height: 16px;
background-color: var(--star);
clip-path: polygon(50% 0%, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}

.testimonial-text {
font-style: italic;
color: var(--text-primary);
line-height: 1.7;
margin-bottom: var(--space-4);
}

.testimonial-author {
display: flex;
align-items: center;
gap: var(--space-3);
}

.avatar {
width: 48px;
height: 48px;
border-radius: 50%;
background-color: var(--accent);
display: flex;
align-items: center;
justify-content: center;
font-weight: 600;
font-size: 14px;
color: white;
}

.avatar-2 {
background-color: #10B981;
}

.avatar-3 {
background-color: #F59E0B;
}

.author-info {
display: flex;
flex-direction: column;
}

.author-name {
font-weight: 600;
font-size: 14px;
}

.author-role {
color: var(--text-secondary);
font-size: 13px;
}

@media (max-width: 1024px) {
.testimonials-grid {
grid-template-columns: 1fr;
max-width: 600px;
margin-left: auto;
margin-right: auto;
}
}

/* ============================================
FAQ SECTION
============================================ */
.faq-container {
max-width: 800px;
margin: var(--space-7) auto 0;
}

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

.faq-question {
width: 100%;
display: flex;
justify-content: space-between;
align-items: center;
padding: var(--space-4) 0;
color: var(--text-primary);
font-size: 18px;
font-weight: 500;
text-align: left;
transition: color 0.2s ease;
}

.faq-question:hover {
color: var(--accent);
}

.faq-icon {
flex-shrink: 0;
transition: transform 0.3s ease;
}

.faq-item.active .faq-icon {
transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
max-height: 200px;
padding-bottom: var(--space-4);
}

.faq-answer p {
color: var(--text-secondary);
line-height: 1.7;
}

/* ============================================
CTA BANNER SECTION
============================================ */
.cta-banner {
  padding: var(--space-8) 0;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.4) 0%, rgba(124, 58, 237, 0.1) 50%, var(--bg-primary) 100%);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle at 30% 50%, rgba(124, 58, 237, 0.3) 0%, transparent 50%);
  pointer-events: none;
}

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

.cta-title {
font-size: 36px;
font-weight: 700;
margin-bottom: var(--space-3);
}

.cta-subtitle {
font-size: 18px;
color: var(--text-secondary);
margin-bottom: var(--space-5);
}

@media (max-width: 640px) {
.cta-title {
font-size: 28px;
}
}

/* ============================================
FOOTER SECTION
============================================ */
.footer {
background-color: var(--bg-primary);
border-top: 1px solid var(--border);
padding: var(--space-8) 0 var(--space-5);
}

.footer-grid {
display: grid;
grid-template-columns: 2fr 1fr 1fr 1fr;
gap: var(--space-6);
margin-bottom: var(--space-7);
}

.footer-logo {
font-size: 24px;
font-weight: 700;
color: var(--text-primary);
display: block;
margin-bottom: var(--space-3);
}

.footer-desc {
color: var(--text-secondary);
font-size: 14px;
line-height: 1.7;
margin-bottom: var(--space-4);
max-width: 300px;
}

.social-links {
display: flex;
gap: var(--space-3);
}

.social-links a {
width: 40px;
height: 40px;
border-radius: var(--radius-sm);
background-color: var(--bg-secondary);
border: 1px solid var(--border);
display: flex;
align-items: center;
justify-content: center;
color: var(--text-secondary);
transition: color 0.2s ease, border-color 0.2s ease;
}

.social-links a:hover {
color: var(--accent);
border-color: var(--accent);
}

.footer-links h4 {
font-size: 14px;
font-weight: 600;
color: var(--text-primary);
margin-bottom: var(--space-4);
text-transform: uppercase;
letter-spacing: 0.05em;
}

.footer-links ul {
display: flex;
flex-direction: column;
gap: var(--space-3);
}

.footer-links a {
color: var(--text-secondary);
font-size: 14px;
transition: color 0.2s ease;
}

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

.footer-bottom {
display: flex;
justify-content: space-between;
align-items: center;
padding-top: var(--space-5);
border-top: 1px solid var(--border);
}

.footer-bottom p {
color: var(--text-muted);
font-size: 14px;
}

.payment-icons {
  display: flex;
  gap: var(--space-3);
  align-items: center;
  justify-content: center;
}

.payment-icon {
  height: 32px;
  width: auto;
  opacity: 0.8;
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.payment-icon:hover {
  opacity: 1;
  transform: translateY(-2px);
}

@media (max-width: 768px) {
.footer-grid {
grid-template-columns: 1fr 1fr;
gap: var(--space-5);
}
.footer-brand {
grid-column: 1 / -1;
}
.footer-bottom {
flex-direction: column;
gap: var(--space-3);
text-align: center;
}
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
}

/* Scroll Animations */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger delays */
.pricing-grid .pricing-card:nth-child(1) { transition-delay: 0ms; }
.pricing-grid .pricing-card:nth-child(2) { transition-delay: 100ms; }
.pricing-grid .pricing-card:nth-child(3) { transition-delay: 200ms; }

.testimonials-grid .testimonial-card:nth-child(1) { transition-delay: 0ms; }
.testimonials-grid .testimonial-card:nth-child(2) { transition-delay: 100ms; }
.testimonials-grid .testimonial-card:nth-child(3) { transition-delay: 200ms; }

/* Accessibility - Focus States */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Skip to content link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 10000;
}

.skip-link:focus {
  top: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
}

/* Body overflow when mobile menu open */
body.menu-open {
  overflow: hidden;
}