:root {
    --bg-color: #000000;
    --text-color: #ffffff;
    --accent-color: #0070f3;
    --secondary-color: #888888;
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.1);
    --nav-height: 70px;
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --gradient-1: linear-gradient(135deg, #0070f3 0%, #7928ca 100%);
    --gradient-text: linear-gradient(to bottom right, #ffffff 30%, #888888 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

/* Scroll Progress Bar */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0%;
    height: 3px;
    background: var(--gradient-1);
    z-index: 2000;
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    height: var(--nav-height);
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 5%;
    z-index: 1000;
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: -1px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

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

.nav-links a {
    font-size: 0.9rem;
    color: var(--secondary-color);
    font-weight: 500;
}

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

.mobile-toggle {
    display: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1100;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--text-color);
    position: absolute;
    transition: var(--transition);
}

.mobile-toggle span:nth-child(1) { top: 0; }
.mobile-toggle span:nth-child(2) { top: 9px; }
.mobile-toggle span:nth-child(3) { top: 18px; }

.mobile-toggle.active span:nth-child(1) { transform: translateY(9px) rotate(45deg); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: translateY(-9px) rotate(-45deg); }

/* Sections */
section {
    padding: 120px 5%;
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    margin-bottom: 3.5rem;
    text-align: center;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
    letter-spacing: -2px;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--nav-height);
    gap: 4rem;
}

.hero-content {
    flex: 1.2;
}

.hero-content h1 {
    font-size: clamp(3.5rem, 10vw, 6rem);
    line-height: 1;
    margin-bottom: 1.5rem;
    font-weight: 900;
    letter-spacing: -4px;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content h2 {
    font-size: 1.8rem;
    color: var(--secondary-color);
    margin-bottom: 2rem;
    font-weight: 400;
}

.hero-tagline {
    font-size: 1.25rem;
    max-width: 550px;
    margin-bottom: 3rem;
    color: #aaaaaa;
}

.cta-group {
    display: flex;
    gap: 1.2rem;
}

.btn {
    padding: 14px 32px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

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

.btn-primary:hover {
    background: #ffffff;
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(255, 255, 255, 0.15);
}

.btn-secondary {
    border: 1px solid var(--glass-border);
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-3px);
    border-color: var(--accent-color);
}

.hero-image {
    flex: 0.8;
    position: relative;
}

.hero-image::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(0, 112, 243, 0.15) 0%, transparent 70%);
    transform: translate(-50%, -50%);
    z-index: -1;
}

.hero-image img {
    width: 100%;
    border-radius: 24px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.8);
    border: 1px solid var(--glass-border);
}

/* Tools Section */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.tool-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
}

.tool-card:hover {
    border-color: var(--accent-color);
    background: rgba(0, 112, 243, 0.05);
    transform: translateY(-5px);
}

.tool-logo {
    height: 60px;
    width: auto;
    margin: 0 auto 1rem;
    object-fit: contain;
}

/* Expertise Grid */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.expertise-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 16px;
    transition: var(--transition);
}

.expertise-card:hover {
    border-color: var(--accent-color);
    background: rgba(0, 112, 243, 0.05);
    transform: translateY(-5px);
}

.expertise-card h3 {
    font-size: 1.2rem;
    margin-bottom: 0.8rem;
    color: var(--text-color);
}

.expertise-card p {
    font-size: 0.95rem;
    color: var(--secondary-color);
    line-height: 1.6;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 16px;
    transition: var(--transition);
}

.service-card:hover {
    border-color: var(--accent-color);
    background: rgba(0, 112, 243, 0.05);
    transform: translateY(-5px);
}

.service-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.service-card ul {
    list-style: none;
    padding: 0;
}

.service-card li {
    font-size: 0.9rem;
    color: #aaaaaa;
    margin-bottom: 0.7rem;
    padding-left: 1.5rem;
    position: relative;
}

.service-card li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
}

/* Testimonials Grid */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 2rem;
    border-radius: 16px;
    transition: var(--transition);
}

.testimonial-card:hover {
    border-color: var(--accent-color);
    background: rgba(0, 112, 243, 0.05);
    transform: translateY(-5px);
}

.stars {
    font-size: 1.2rem;
    color: #ffd700;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.testimonial-text {
    font-size: 1rem;
    color: #aaaaaa;
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-style: italic;
}

.testimonial-author h4 {
    font-size: 1rem;
    color: var(--text-color);
    margin-bottom: 0.3rem;
}

.testimonial-author p {
    font-size: 0.85rem;
    color: var(--secondary-color);
}

/* CTA Section */
.cta-section {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 4rem 2rem;
    border-radius: 16px;
    text-align: center;
    margin: 4rem 0;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.cta-section p {
    font-size: 1.1rem;
    color: var(--secondary-color);
}

/* FAQ Accordion */
.faq-container {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(255, 255, 255, 0.2);
}

.faq-question {
    padding: 1.5rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.15rem;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    padding: 0 2rem;
    color: var(--secondary-color);
    font-size: 1.05rem;
}

.faq-item.active .faq-answer {
    max-height: 500px;
    padding-bottom: 2rem;
}

.faq-icon {
    font-size: 0.8rem;
    transition: transform 0.4s;
    opacity: 0.5;
}

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

/* Contact Section */
.whatsapp-btn {
    background: var(--gradient-1);
    color: white;
    padding: 20px 45px;
    border-radius: 100px;
    font-size: 1.25rem;
    font-weight: 700;
    box-shadow: 0 20px 40px rgba(0, 112, 243, 0.3);
}

/* Footer */
footer {
    padding: 100px 5% 50px;
    border-top: 1px solid var(--glass-border);
    background: linear-gradient(to bottom, #000, #050505);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 6rem;
}

.social-icons {
    display: flex;
    gap: 1.2rem;
    margin-top: 1.5rem;
}

.social-icon {
    width: 45px;
    height: 45px;
    border-radius: 12px;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--secondary-color);
}

.social-icon:hover {
    color: var(--text-color);
    border-color: var(--accent-color);
    background: rgba(0, 112, 243, 0.1);
    transform: translateY(-3px);
}

/* Mobile Menu Overlay */
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background: #000;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 3rem;
        transition: 0.5s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 1050;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        font-size: 2rem;
        font-weight: 700;
    }

    .mobile-toggle {
        display: block;
    }

    .hero {
        flex-direction: column;
        text-align: center;
        padding-top: 120px;
        gap: 3rem;
    }

    .hero-content h1 {
        letter-spacing: -2px;
    }

    .cta-group {
        justify-content: center;
        flex-direction: column;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 3rem;
    }

    .social-icons {
        justify-content: center;
    }
}

/* Gradient Background Accents */
.bg-gradient {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    overflow: hidden;
    pointer-events: none;
}

.blob {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(0, 112, 243, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    filter: blur(80px);
}

.blob-1 { top: -200px; right: -200px; }
.blob-2 { bottom: -200px; left: -200px; }

/* Reveal Animation */
[data-reveal] {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal].revealed {
    opacity: 1;
    transform: translateY(0);
}