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

:root {
    --bg-dark: #050505;
    --bg-card: #111111;
    --border-color: #222222;
    --primary-color: #dfff00; /* Neon Yellow */
    --text-main: #ffffff;
    --text-muted: #888888;
    --font-heading: 'Space Grotesk', 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-dark);
    /* Add premium tech grid background with parallax */
    background-image: 
        linear-gradient(rgba(255, 255, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    background-position: center center;
    background-attachment: fixed;
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.1;
    text-transform: uppercase;
}

.accent-text {
    color: var(--primary-color);
}

.outline-text {
    color: transparent;
    -webkit-text-stroke: 1px var(--border-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 100;
    transition: all 0.3s ease;
    border-bottom: 1px solid transparent;
}

.navbar.scrolled {
    background: rgba(5, 5, 5, 0.95);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: -1px;
}

.logo-icon {
    color: var(--primary-color);
}

.blinking-cursor {
    color: var(--primary-color);
    font-weight: 900;
    margin-left: 2px;
    animation: blink 1s step-end infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: color 0.3s ease;
    padding: 0.5rem; /* Better mobile tap target */
    display: inline-block;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 4px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    font-family: var(--font-body);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
}

.btn-primary {
    background: var(--primary-color);
    color: #000;
}

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

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

.btn-outline:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.badge-yellow {
    display: inline-block;
    padding: 0.3rem 1rem;
    background: var(--primary-color);
    color: #000;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* Hero Section */
.hero {
    min-height: auto;
    display: flex;
    align-items: center;
    padding-top: 12rem;
    padding-bottom: 4rem;
    gap: 2rem;
}

.hero-content {
    flex: 1.2;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 6rem);
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero-image-wrapper {
    flex: 0.8;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-image {
    position: relative;
    z-index: 2;
    max-width: 100%;
    width: 400px;
    height: auto;
    filter: grayscale(100%) contrast(1.2);
    transition: filter 0.5s ease;
}

.hero-image:hover {
    filter: grayscale(0%) contrast(1);
}

/* Stack Section */
.stack {
    padding: 0 2rem 6rem;
}

.stack-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 1.5rem;
}

.stack-item {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2rem 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.stack-item i {
    font-size: 3rem;
    color: var(--text-muted);
    transition: color 0.3s ease, transform 0.3s ease;
}

.stack-item span {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
}

.stack-item:hover {
    border-color: var(--primary-color);
    box-shadow: 0 10px 30px rgba(223, 255, 0, 0.05);
}

.stack-item:hover i {
    color: var(--primary-color);
    transform: translateY(-5px);
}

.stack-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.stack-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
    border-radius: 12px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.stack-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 4px;
    height: 100%;
    background: var(--primary-color);
    transform: scaleY(0);
    transition: transform 0.4s ease;
    transform-origin: bottom;
}

.stack-card:hover::before {
    transform: scaleY(1);
}

.stack-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(223, 255, 0, 0.05);
}

.stack-card-icon i {
    font-size: 3.5rem;
    color: var(--primary-color);
}

.stack-card-content h3 {
    font-size: 1.4rem;
    color: var(--text-main);
    margin-bottom: 0.5rem;
    text-transform: none;
    letter-spacing: 0;
}

.stack-card-content p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* Marquee */
.marquee-container {
    display: flex;
    width: 100%;
    overflow: hidden;
    background: var(--primary-color);
    padding: 1.5rem 0;
    margin: 4rem 0 6rem;
    transform: rotate(-1deg);
    position: relative;
    z-index: 10;
}

.marquee-content {
    display: flex;
    white-space: nowrap;
    animation: marquee 15s linear infinite;
    align-items: center;
    flex-shrink: 0;
    justify-content: space-around;
}

.marquee-content span {
    color: #000;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    padding: 0 2rem;
}

.marquee-dot {
    width: 8px;
    height: 8px;
    background: #000;
    border-radius: 50%;
    display: inline-block;
    padding: 0 !important;
}

@keyframes marquee {
    0% { transform: translateX(0); }
    100% { transform: translateX(-100%); }
}

/* Grain Background Refinement */
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E");
    opacity: 0.04;
    z-index: 9999;
    pointer-events: none;
}

/* Services / What We Do Section */
.services {
    padding: 6rem 2rem;
    border-top: 1px solid var(--border-color);
}

.section-header h2 {
    font-size: clamp(2.5rem, 4vw, 4rem);
    letter-spacing: -1px;
}

.what-we-do-layout {
    display: flex;
    gap: 4rem;
    align-items: flex-start;
}

.accordion-container {
    flex: 1;
}

.accordion-item {
    border-bottom: 1px solid var(--border-color);
    padding: 1.5rem 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.accordion-item:hover {
    border-color: var(--text-muted);
}

.accordion-item.active {
    border-color: var(--primary-color);
}

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

.acc-num {
    color: var(--primary-color);
    font-weight: 700;
    font-family: var(--font-heading);
    font-size: 1.2rem;
}

.accordion-header h3 {
    font-size: 2rem;
    color: var(--text-muted);
    transition: color 0.3s ease;
}

.accordion-item.active .accordion-header h3,
.accordion-item:hover .accordion-header h3 {
    color: var(--text-main);
}

.accordion-body {
    display: none;
    padding-left: 2.5rem;
    padding-top: 1rem;
    color: var(--text-muted);
}

.accordion-item.active .accordion-body {
    display: block;
}

.acc-list {
    margin-top: 1rem;
    list-style: none;
}

.acc-list li {
    padding: 0.3rem 0;
    position: relative;
    padding-left: 1.5rem;
}

.acc-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary-color);
}

.accordion-image-container {
    flex: 1;
    position: sticky;
    top: 120px;
    height: 500px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.service-preview-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: grayscale(100%);
    transition: filter 0.5s ease;
}

.accordion-image-container:hover .service-preview-img {
    filter: grayscale(0%);
}

/* Works Section */
.works {
    padding: 6rem 2rem;
    border-top: 1px solid var(--border-color);
}

.work-card-large {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

/* Footer */
.footer {
    border-top: 1px solid var(--border-color);
    padding: 8rem 0 2rem;
    background: #000000;
    position: relative;
    margin-top: 10rem;
}

.footer-mascot-wrapper {
    position: absolute;
    bottom: 0;
    right: 5%;
    width: 400px;
    z-index: 10;
    pointer-events: none;
}

.footer-mascot {
    width: 100%;
    height: auto;
    filter: grayscale(100%) contrast(1.2);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 4rem;
    padding-bottom: 4rem;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 2rem;
}

.footer-links-grid {
    display: flex;
    gap: 4rem;
}

.footer-col h4 {
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

.footer-col a {
    display: block;
    color: var(--text-main);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: 500;
    margin-bottom: 0.5rem;
    padding: 0.5rem 0; /* Better mobile tap target */
    transition: color 0.3s ease;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.scroll-top {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 1px;
    transition: color 0.3s ease;
}

.scroll-top:hover {
    color: var(--primary-color);
}

/* Responsive */
@media (max-width: 900px) {
    .nav-content {
        flex-direction: column;
        gap: 1rem;
    }
    .nav-links {
        gap: 1rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    .nav-links a {
        font-size: 0.8rem;
        padding: 0.25rem;
    }
    .hero {
        flex-direction: column-reverse;
        padding-top: 6rem;
        text-align: center;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero-title {
        font-size: clamp(2.5rem, 8vw, 4rem);
    }
    .hero-image {
        width: 100%;
        max-width: 350px;
    }
    .what-we-do-layout {
        flex-direction: column;
    }
    .accordion-image-container {
        width: 100%;
        height: 300px;
        position: relative;
        top: 0;
    }
    .footer-links-grid {
        flex-direction: column;
        gap: 2rem;
    }
    .footer-mascot-wrapper {
        position: relative;
        right: auto;
        transform: none;
        width: 100%;
        max-width: 300px;
        margin: 0 auto 2rem auto;
    }
    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    .stack-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* Reveal Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

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

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }