/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0070f3;
    --primary-hover: #0051cc;
    --accent-color: #0070f3;
    --text-primary: #ffffff;
    --text-secondary: #888888;
    --text-tertiary: #666666;
    --bg-primary: #000000;
    --bg-secondary: #111111;
    --bg-card: #1a1a1a;
    --bg-card-hover: #222222;
    --border-color: #333333;
    --border-light: #1a1a1a;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --gradient-primary: linear-gradient(180deg, #000000 0%, #111111 100%);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    overflow-x: hidden;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

.hero .container {
    padding: 0 40px 0 0;
    max-width: 1400px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid var(--border-light);
    z-index: 1000;
    transition: var(--transition);
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 0;
}

.logo a {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-primary);
    text-decoration: none;
    letter-spacing: -0.02em;
    transition: var(--transition);
}

.logo a:hover {
    color: var(--text-secondary);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 400;
    font-size: 0.9375rem;
    transition: var(--transition);
    position: relative;
}

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    gap: 5px;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
    border-radius: 2px;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 140px 20px 100px;
    background: var(--bg-primary);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 112, 243, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 112, 243, 0.05) 0%, transparent 50%);
    pointer-events: none;
    animation: pulse 15s ease-in-out infinite;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    opacity: 0.4;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 112, 243, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(0, 112, 243, 0.1) 0%, transparent 50%);
    animation: pulse 20s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.8;
    }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: left;
    color: var(--text-primary);
    max-width: 1200px;
    width: 100%;
    margin: 0;
}


.hero-title {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    letter-spacing: -0.04em;
    line-height: 1.1;
    animation: fadeInUp 0.8s ease;
}

.highlight {
    background: linear-gradient(180deg, #ffffff 0%, rgba(255, 255, 255, 0.8) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 400;
    margin-bottom: 1.5rem;
    line-height: 1.4;
    animation: fadeInUp 0.8s ease 0.2s both;
    color: #fff;
    letter-spacing: -0.02em;
}

.rotating-text {
    display: inline-block;
    color: var(--accent-color);
    font-weight: 500;
    position: relative;
    transition: opacity 0.3s ease, transform 0.3s ease;
    min-width: 200px;
    text-align: left;
}

.hero-description {
    font-size: 1.125rem;
    margin-bottom: 3rem;
    opacity: 0.8;
    animation: fadeInUp 0.8s ease 0.4s both;
    color: var(--text-secondary);
    line-height: 1.6;
    color: #fff;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    align-items: flex-start;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.6s both;
    width: 100%;
}

.btn {
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9375rem;
    transition: var(--transition);
    display: inline-block;
    border: 1px solid var(--border-color);
    letter-spacing: -0.01em;
}

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

.btn-primary:hover {
    background: var(--text-secondary);
    border-color: var(--text-secondary);
    transform: translateY(-1px);
}

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

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--border-color);
    transform: translateY(-1px);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Section Styles */
section {
    padding: 100px 20px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.03em;
    line-height: 1.2;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 4rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

/* Expertise Section */

/* .expertise {
    background: radial-gradient(circle at 20% 50%, rgba(0, 112, 243, 0.15) 0%, transparent 50%), radial-gradient(circle at 80% 80%, rgba(0, 112, 243, 0.1) 0%, transparent 50%);
} */

.expertise {
    position: relative;
    /* background:
        radial-gradient(circle at 20% 50%,
            rgba(0, 112, 243, 0.15) 0%,
            transparent 50%),
        radial-gradient(circle at 80% 80%,
            rgba(0, 112, 243, 0.1) 0%,
            transparent 50%); */
    background: var(--bg-primary);
    overflow: hidden;
}

.expertise::before {
    content: "";
    position: absolute;
    left: 0;
    width: 100%;
    height: 160px;
    /* softness control */
    pointer-events: none;
    z-index: 1;
}

/* Top fade → blends into previous section (#111111) */
.expertise::before {
    top: 0;
    /* background: linear-gradient(to bottom,
            #111111,
            rgba(17, 17, 17, 0)); */
}

/* Bottom fade → blends into next section (also dark) */
.expertise::after {
    bottom: 0;
    background: linear-gradient(to top,
            #111111,
            rgba(17, 17, 17, 0));
}




#vulcan {
    opacity: 1;
}

/* Vulcan Section - Remove background and animations */
.vulcan-section {
    background: transparent !important;
}

.vulcan-section .expertise-card {
    background: transparent !important;
    transition: none !important;
    animation: none !important;
}

.vulcan-section .expertise-card:hover {
    transform: none !important;
    border-color: var(--border-light) !important;
    background: transparent !important;
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
    text-align: center;
}

li::marker {
    color: var(--accent-color);
    font-size: 1em;
}

ul {
    text-align: center;
}

.introducing-vulcan-card {
    text-align: center;
}

.introducing-vulcan-card ul {
    list-style-position: outside !important;
    list-style-type: disc !important;
    text-align: left;
    padding-left: 1.5em;
}

.introducing-vulcan-card li {
    text-align: left;
    padding-left: 0.5em;
    font-weight: 300;
}


.expertise-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 12px;
    transition: var(--transition);
    text-align: center;
    border: 1px solid var(--border-light);
}

.expertise-card:hover {
    transform: translateY(-4px);
    border-color: var(--border-color);
    background: var(--bg-card-hover);
}

.expertise-icon {
    width: 32px;
    height: 32px;
    margin: 0 auto 1rem auto;
    opacity: 0.8;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.expertise-icon svg {
    width: 100%;
    height: 100%;
}

.expertise-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.expertise-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Services Section */
.services {
    background: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.skills-carousel {
    position: relative;
    width: 100%;
    overflow: hidden;
    padding: 20px 0;
    /* background: #ffffff; */

    /* * Opacity fade edges */
    -webkit-mask-image: linear-gradient(to right,
            transparent 0%,
            black 10%,
            black 90%,
            transparent 100%);
    mask-image: linear-gradient(to right,
            transparent 0%,
            black 10%,
            black 90%,
            transparent 100%);
}

.skills-track {
    display: flex;
    width: max-content;
    animation: scroll-left 50s linear infinite;
}

.skills-track span {
    padding: 10px 20px;
    margin: 0 12px;
    border-radius: 10px;
    font-size: 0.95rem;
    font-weight: 500;
    white-space: nowrap;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-color: var(--text-primary);
}

/* Smooth infinite scroll */
@keyframes scroll-left {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }
}

/* Edge fade (very Embedder-like) */
.skills-carousel::before,
.skills-carousel::after {
    content: "";
    position: absolute;
    top: 0;
    width: 80px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.skills-carousel::before {
    left: 0;
    background: linear-gradient(to right, --accent-color, transparent);
}

.skills-carousel::after {
    right: 0;
    background: linear-gradient(to left, --accent-color, transparent);
}

/* Optional: pause on hover */
.skills-track:hover {
    animation-play-state: paused;
}


.service-card {
    border-radius: 12px;
}

/* Flip Card Styles */
.flip-card {
    background-color: transparent;
    perspective: 1000px;
    height: 100%;
    min-height: 350px;
    border: 1px solid var(--border-light);
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.6s;
    transform-style: preserve-3d;
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    background: var(--bg-card);
    border-radius: 12px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: 1px solid var(--border-light);
}

.flip-card-back {
    transform: rotateY(180deg);
    border: 1px solid var(--border-color);
    background: #0052d7;
}

.flip-card-back h3 {
    margin-bottom: 1.5rem;
    color: var(--text-primary);
}

.flip-card-back ul {
    list-style: none;
    padding: 0;
    text-align: left;
}

.flip-card-back li {
    padding: 0rem 0;
    color: var(--text-primary);
    position: relative;
    padding-left: 1.5rem;
}

.flip-card-back li::before {
    content: '•';
    color: var(--text-primary);
    position: absolute;
    left: 0;
}

.flip-card-back p {
    color: var(--text-primary);
}

.service-icon {
    width: 32px;
    height: 32px;
    margin: 0 auto 1.5rem auto;
    opacity: 0.8;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-icon svg {
    width: 100%;
    height: 100%;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

.service-card p {
    color: var(--text-secondary);
    line-height: 1.7;
    font-size: 0.9375rem;
}

/* Why Us Section */
.why-us {
    background: var(--bg-primary);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    margin-top: 3rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 1.5rem;
    background: var(--bg-card);
    border-radius: 12px;
    transition: var(--transition);
    border: 1px solid var(--border-light);
}

.benefit-item:hover {
    background: var(--bg-card-hover);
    transform: translateY(-2px);
    border-color: var(--border-color);
}

.benefit-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-secondary);
    min-width: 60px;
    transition: var(--transition);
}

.benefit-item:hover .benefit-number {
    color: var(--text-primary);
}

.benefit-item h3 {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

/* About Section */
.about {
    background: var(--bg-secondary);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-text {
    text-align: center;
    margin-bottom: 3rem;
}

.about-text h2 {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
    letter-spacing: -0.03em;
}

.about-text p {
    font-size: 1.125rem;
    color: var(--text-secondary);
    line-height: 1.8;
    max-width: 700px;
    margin: 0 auto;
}

.about-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
}

.detail-item h4 {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--terminal-cyan);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.detail-item h4::before {
    /* content: '$ '; */
    color: var(--terminal-green);
}

.detail-item ul {
    list-style: none;
}

.detail-item li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-light);
    position: relative;
    padding-left: 1.5rem;
    font-size: 0.9375rem;
}

.detail-item li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--text-tertiary);
    font-weight: bold;
}

.detail-item li:last-child {
    border-bottom: none;
}

/* Contact Section */
.contact {
    background: var(--bg-primary);
    color: var(--text-primary);
    border-top: 1px solid var(--border-light);
}

.contact .section-title {
    color: var(--text-primary);
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-form {
    margin-top: 3rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.form-group input,
.form-group textarea {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
    width: 100%;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--border-color);
    background: var(--bg-card-hover);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-tertiary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
    font-family: inherit;
}

.contact-form .btn {
    margin-top: 1rem;
    width: auto;
}

@media (max-width: 768px) {
    .form-row {
        grid-template-columns: 1fr;
        gap: 1rem;
    }
}

/* Footer */
.footer {
    background: var(--bg-primary);
    color: var(--text-secondary);
    text-align: center;
    padding: 3rem 20px;
    border-top: 1px solid var(--border-light);
    font-size: 0.875rem;
}

.footer p {
    margin: 0;
    opacity: 0.8;
}

/* Responsive Design */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(20px);
        width: 100%;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
        gap: 1.5rem;
        border-top: 1px solid var(--border-light);
    }

    .nav-menu.active {
        left: 0;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.75rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .section-title {
        font-size: 2rem;
    }

    .expertise-grid,
    .services-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
    }

    .about-details {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.5rem;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .expertise-card,
    .service-card {
        padding: 1.5rem;
    }
}