:root {
    --primary: #6c11f4;
    --secondary: #1fd1f9;
    --dark: #121212;
    --light: #f8f9fa;
    --accent: #ff00cc;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}

body {
    background-color: var(--dark);
    color: var(--light);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

header {
    padding: 20px 0;
    position: fixed;
    width: 100%;
    z-index: 1000;
    transition: background-color 0.3s ease;
}

header.scrolled {
    background-color: rgba(18, 18, 18, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo .logo-text {
  font-size: 24px;
  font-weight: 700;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 24px;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 30px;
}

nav ul li a {
    color: var(--light);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
}

nav ul li a:hover {
    color: var(--secondary);
}

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

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 600px;
}

.hero h1 {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.1;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    line-height: 1.6;
    opacity: 0.9;
}

.gradient-text {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.btn {
    display: inline-block;
    padding: 12px 32px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: var(--light);
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(108, 17, 244, 0.3);
}

/* Services Section */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 60px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.section-header p {
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.8;
    line-height: 1.6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background: rgba(255, 255, 255, 0.05);
    padding: 30px;
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--secondary);
}

.service-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
}

.service-card p {
    opacity: 0.8;
    line-height: 1.6;
}

/* Differentiators Section */
.differentiators {
    background: linear-gradient(to right, rgba(108, 17, 244, 0.05), rgba(31, 209, 249, 0.05));
}

.diff-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: start;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%; /* 16:9 Aspect Ratio */
    height: 0;
    border-radius: 15px;
    overflow: hidden;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.diff-list {
    margin-top: 30px;
}

.diff-item {
    display: flex;
    gap: 15px;
    margin-bottom: 25px;
}

.diff-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--secondary);
    flex-shrink: 0;
}

.diff-item h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
}

/* CTA Section */
.cta {
    text-align: center;
    background: linear-gradient(45deg, rgba(108, 17, 244, 0.1), rgba(31, 209, 249, 0.1));
    padding: 80px 0;
    border-radius: 20px;
    margin: 80px 0;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta p {
    max-width: 600px;
    margin: 0 auto 30px;
    opacity: 0.9;
}

/* Footer */
footer {
    padding: 60px 0 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 40px;
}

.footer-about p {
    margin-top: 20px;
    opacity: 0.7;
    line-height: 1.6;
}

.footer-links h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
}

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

.footer-links ul li {
    margin-bottom: 10px;
}

.footer-links ul li a {
    color: var(--light);
    opacity: 0.7;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer-links ul li a:hover {
    opacity: 1;
    color: var(--secondary);
}

.footer-bottom {
    margin-top: 40px;
    text-align: center;
    opacity: 0.5;
    font-size: 0.9rem;
}

/* Particle Animation */
.particle {
    position: absolute;
    border-radius: 50%;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    opacity: 0;
    animation: float 6s infinite ease-in-out;
}

@keyframes float {
    0% {
        opacity: 0;
        transform: translateY(0) rotate(0deg);
    }
    50% {
        opacity: 0.5;
    }
    100% {
        opacity: 0;
        transform: translateY(-100px) rotate(360deg);
    }
}

/* Responsive */
@media (max-width: 768px) {
    .hero h1 {
        font-size: 3rem;
    }
    
    .diff-container {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
    }
    
    nav ul {
        display: none;
    }
}

.footer-social {
    margin-top: 20px;
}

.footer-social a {
    color: var(--light);
    text-decoration: none;
    font-size: 1.5rem;
    opacity: 0.7;
    transition: opacity 0.3s ease;
}

.footer-social a:hover {
    opacity: 1;
    color: var(--secondary);
}

.case-series .kicker {
    margin-top: 6px;
    color: var(--light);
    opacity: 0.85;
}

.case-series__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 30px;
}

.case-series__card {
    position: relative;
    background: rgba(255,255,255,0.03);
    padding: 28px;
    border-radius: 15px;
    transition: transform 220ms ease-out, box-shadow 220ms ease-out, outline 220ms ease-out;
    box-shadow: 0 6px 18px rgba(0,0,0,0.35);
    display: flex;
    flex-direction: column;
    gap: 16px;
    min-height: 160px;
}

.case-series__card:hover,
.case-series__card:focus-within,
.case-series__card:has(a:focus-visible) {
    transform: translateY(-8px);
    box-shadow: 0 18px 40px rgba(16,12,40,0.6);
    outline: 2px solid transparent;
    border-radius: 15px;
}

/* Accent glow on keyboard focus (prefers high contrast preserved) */
.case-series__card:has(a:focus-visible),
.case-series__card:focus-within {
    box-shadow: 0 20px 50px rgba(108,17,244,0.18), 0 6px 18px rgba(0,0,0,0.45);
}

.case-series__badge {
    position: absolute;
    top: 12px;
    right: 12px;
    background: rgba(255,255,255,0.04);
    color: var(--light);
    padding: 6px 10px;
    border-radius: 10px;
    font-weight: 700;
    font-size: 0.85rem;
    opacity: 0.9;
    transition: transform 200ms ease-out, opacity 200ms ease-out, background-color 200ms ease-out;
}

.case-series__card:hover .case-series__badge,
.case-series__card:focus-within .case-series__badge,
.case-series__card:has(a:focus-visible) .case-series__badge {
    transform: translateY(-2px);
    opacity: 1;
    background: rgba(255,255,255,0.07);
}

.case-series__icon {
    font-size: 1.8rem;
    color: var(--secondary);
}

.case-series__title {
    margin-top: 6px;
    margin-bottom: 12px; /* increased spacing between title and description */
    font-size: 1.15rem;
}

.case-series__desc {
    color: var(--light);
    opacity: 0.8;
    line-height: 1.5;
}

.case-series__link {
    margin-top: auto;
    display: inline-block;
    color: var(--light);
    text-decoration: none;
    font-weight: 600;
    opacity: 0.95;
    transition: transform 220ms ease-out, color 200ms ease;
}

.case-series__link:hover,
.case-series__link:focus {
    color: var(--secondary);
    transform: translateY(-2px);
}

.cs-emoji {
    display: inline-block;
    transition: transform 220ms ease-out;
    will-change: transform;
}

.case-series__card:hover .cs-emoji.cs-emoji--right,
.case-series__card:focus-within .cs-emoji.cs-emoji--right {
    transform: translateX(7px);
}

.case-series__card:hover .cs-emoji.cs-emoji--downright,
.case-series__card:focus-within .cs-emoji.cs-emoji--downright {
    transform: translate(5px,4px);
}

.case-series__card:hover .cs-emoji.cs-emoji--tilt,
.case-series__card:focus-within .cs-emoji.cs-emoji--tilt {
    transform: rotate(8deg);
}

/* Reduced motion: disable transforms and animations */
@media (prefers-reduced-motion: reduce) {
    .case-series__card,
    .case-series__badge,
    .cs-emoji,
    .case-series__link {
        transition: none !important;
    }
    .case-series__card:hover,
    .case-series__card:focus-within {
        transform: none !important;
        box-shadow: 0 10px 20px rgba(0,0,0,0.35) !important;
    }
}

@media (min-width: 768px) {
    .case-series__grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
}

/* Reduce vertical spacing below case-series and tighten next CTA only when it follows */
.case-series {
    padding-bottom: 40px; /* reduce from the default section spacing */
}

.case-series + .container .cta {
    margin-top: 40px; /* smaller gap between case series and the CTA block */
}