:root {
    /* Colors */
    --bg-primary: #000000;
    --bg-secondary: #09090B;
    --bg-tertiary: #18181B;

    /* Primary Accent: #c9cc21 */
    --primary-50: #fbfcea;
    --primary-100: #f4f6c4;
    --primary-200: #eef09e;
    --primary-300: #e8eb78;
    --primary-400: #dadd4d;
    --primary-500: #c9cc21;
    /* Base */
    --primary-600: #a3a61a;
    --primary-700: #7d8013;
    --primary-800: #57590d;
    --primary-900: #313206;

    /* Text */
    --text-primary: #FFFFFF;
    --text-secondary: #E4E4E7;
    --text-tertiary: #A1A1AA;

    /* Accents */
    --success: #22C55E;
    --glass-border: rgba(255, 255, 255, 0.08);

    /* Fonts */
    --font-display: 'Plus Jakarta Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
.logo,
.hero-label {
    font-family: var(--font-display);
}

a {
    text-decoration: none;
    color: inherit;
    transition: all 0.3s ease;
}

ul {
    list-style: none;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-gradient {
    background: linear-gradient(135deg, var(--primary-400), var(--primary-500), var(--primary-600));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glow-primary {
    box-shadow: 0 0 20px rgba(201, 204, 33, 0.4);
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: 24px 0;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    background: rgba(0, 0, 0, 0.5);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.logo-placeholder {
    width: 40px;
    height: 40px;
    background: var(--primary-500);
    color: black;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-weight: 800;
}

.nav-links {
    display: flex;
    gap: 32px;
    align-items: center;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 500;
    position: relative;
}

.nav-link:hover {
    color: var(--primary-400);
}

/* Buttons */
.btn-primary {
    background: var(--primary-500);
    color: black;
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    display: inline-block;
}

.btn-primary:hover {
    background: var(--primary-400);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(201, 204, 33, 0.3);
}

.btn-outline {
    border: 1px solid var(--primary-500);
    color: var(--primary-500);
    padding: 12px 24px;
    border-radius: 12px;
    font-weight: 600;
    display: inline-block;
}

.btn-outline:hover {
    background: rgba(201, 204, 33, 0.1);
    transform: translateY(-2px);
}

/* Mobile Menu */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-menu-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-primary);
}

/* Hero Section */
.hero-section {
    padding-top: 140px;
    padding-bottom: 80px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    z-index: 2;
}

.hero-label {
    background: rgba(201, 204, 33, 0.1);
    color: var(--primary-400);
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    display: inline-block;
    margin-bottom: 24px;
    border: 1px solid rgba(201, 204, 33, 0.2);
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    color: var(--text-secondary);
    font-size: 1.25rem;
    margin-bottom: 40px;
    max-width: 500px;
}

.hero-cta-group {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
}

.social-proof p {
    color: var(--text-tertiary);
    font-size: 0.9rem;
    margin-bottom: 12px;
}

.client-logos {
    display: flex;
    gap: 24px;
    opacity: 0.6;
}

.client-logo {
    font-weight: 700;
    color: var(--text-secondary);
}

/* Hero Visual 3D Placeholder */
.sphere-container {
    position: relative;
    width: 100%;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.sphere {
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, var(--primary-500), transparent 60%);
    opacity: 0.2;
    filter: blur(40px);
    position: absolute;
    animation: pulse 4s infinite alternate;
}

.sphere-inner {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    border: 1px solid var(--primary-500);
    position: absolute;
    animation: rotate 10s linear infinite;
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.float-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: rgba(24, 24, 27, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    animation: float 6s ease-in-out infinite;
    animation-delay: var(--delay);
}

.float-card .icon {
    font-size: 1.5rem;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
        opacity: 0.2;
    }

    100% {
        transform: scale(1.2);
        opacity: 0.3;
    }
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }

    100% {
        transform: rotate(360deg);
    }
}

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

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

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--text-tertiary);
    font-size: 1.1rem;
}

/* Services Flip Cards */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
}

.service-card-flip {
    perspective: 1000px;
    height: 400px;
}

.service-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    text-align: center;
    transition: transform 0.8s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    transform-style: preserve-3d;
    cursor: pointer;
}

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

.service-card-front,
.service-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    border-radius: 24px;
    overflow: hidden;
}

.service-card-front {
    background: var(--bg-tertiary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    border: 1px solid var(--glass-border);
}

.service-card-back {
    transform: rotateY(180deg);
    background: var(--bg-secondary);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 32px;
    text-align: left;
    border: 1px solid var(--primary-500);
}

.placeholder-image {
    font-size: 4rem;
    margin-bottom: 24px;
    color: var(--primary-500);
}

.service-overlay {
    position: absolute;
    bottom: 0;
    width: 100%;
    padding: 24px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
}

.service-title-front {
    color: white;
    font-size: 1.5rem;
}

.service-title-back {
    color: var(--primary-500);
    margin-bottom: 16px;
    font-size: 1.5rem;
}

.service-description {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.service-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.feature-tag {
    background: rgba(201, 204, 33, 0.1);
    color: var(--primary-400);
    padding: 4px 12px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
}

/* Showcase Grid */
.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
}

.glass-card {
    background: rgba(24, 24, 27, 0.6);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    overflow: hidden;
    transition: transform 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(201, 204, 33, 0.3);
}

.showcase-image-placeholder {
    height: 240px;
    background: var(--bg-tertiary);
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--text-tertiary);
    font-size: 1.2rem;
    font-weight: 600;
    border-bottom: 1px solid var(--glass-border);
}

.showcase-content {
    padding: 32px;
}

.showcase-content h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.showcase-content p {
    color: var(--text-secondary);
    margin-bottom: 24px;
}

.text-link {
    color: var(--primary-500);
    font-weight: 600;
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image-placeholder {
    width: 100%;
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border-radius: 24px;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.about-photo {
    font-size: 5rem;
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--bg-secondary);
    padding: 24px;
    border-radius: 20px;
    border: 1px solid var(--glass-border);
    text-align: center;
}

.exp-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-500);
    line-height: 1;
}

.exp-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.about-content .label {
    color: var(--primary-500);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-size: 0.9rem;
    margin-bottom: 16px;
    display: block;
}

.stats-row {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
}

.stat-label {
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* CTA Section */
.cta-section {
    padding: 100px 0;
}

.cta-card {
    text-align: center;
    padding: 80px 40px;
    border: 1px solid var(--primary-500);
    background: radial-gradient(circle at center, rgba(201, 204, 33, 0.05), rgba(24, 24, 27, 0.8));
}

.cta-title {
    font-size: 3rem;
    margin-bottom: 24px;
}

.cta-text {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.footer {
    padding: 80px 0 40px;
    border-top: 1px solid var(--glass-border);
    background: var(--bg-secondary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

.footer h4 {
    margin-bottom: 24px;
    color: white;
}

.footer ul li {
    margin-bottom: 12px;
}

.footer ul li a {
    color: var(--text-tertiary);
}

.footer ul li a:hover {
    color: var(--primary-500);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-tertiary);
    font-size: 0.9rem;
}

/* Mobile Responsive */
@media (max-width: 991px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-cta-group {
        justify-content: center;
    }

    .client-logos {
        justify-content: center;
    }

    .sphere-container {
        height: 400px;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .service-card-flip {
        height: 350px;
    }

    .stats-row {
        flex-direction: column;
        gap: 20px;
    }
}

/* Contact Form Styles */
.contact-form {
    max-width: 600px;
    margin: 0 auto;
    text-align: left;
}

.form-group {
    margin-bottom: 20px;
}

.form-input {
    width: 100%;
    padding: 16px;
    background: rgba(9, 9, 11, 0.6);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--primary-500);
    background: rgba(9, 9, 11, 0.9);
    box-shadow: 0 0 0 4px rgba(201, 204, 33, 0.1);
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

.btn-block {
    width: 100%;
    margin-top: 10px;
    cursor: pointer;
}

/* WhatsApp Widget */
.whatsapp-btn {
    position: fixed;
    bottom: 40px;
    right: 40px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.whatsapp-btn:hover {
    transform: scale(1.1) rotate(10deg);
    box-shadow: 0 6px 16px rgba(37, 211, 102, 0.6);
}

.whatsapp-btn svg {
    width: 32px;
    height: 32px;
}

@media (max-width: 768px) {
    .whatsapp-btn {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }
}