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

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --primary-light: #818cf8;
    --accent: #f59e0b;
    --accent-dark: #d97706;
    --bg-dark: #0f172a;
    --bg-darker: #020617;
    --bg-card: #1e293b;
    --bg-section: #f8fafc;
    --text-white: #f1f5f9;
    --text-light: #94a3b8;
    --text-dark: #1e293b;
    --text-muted: #64748b;
    --gradient: linear-gradient(135deg, #6366f1, #8b5cf6);
    --gradient-accent: linear-gradient(135deg, #f59e0b, #ef4444);
    --shadow: 0 4px 24px rgba(99, 102, 241, 0.15);
    --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.3);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    color: var(--text-dark);
    line-height: 1.7;
    overflow-x: hidden;
    background: #fff;
}

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

.text-accent {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
}

.btn-primary {
    background: var(--gradient);
    color: #fff;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

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

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}

.navbar.scrolled {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    padding: 12px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

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

.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: #fff;
    font-size: 1.4rem;
    font-weight: 800;
}

.nav-brand .brand-icon {
    font-size: 1.6rem;
    color: var(--primary-light);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-link {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    color: #fff;
}

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

.nav-cta {
    padding: 10px 24px;
    font-size: 0.85rem;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    width: 26px;
    height: 2.5px;
    background: #fff;
    border-radius: 4px;
    transition: var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--bg-dark);
    position: relative;
    overflow: hidden;
    padding: 120px 0 80px;
}

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
}

.shape-1 {
    width: 600px;
    height: 600px;
    background: var(--primary);
    top: -200px;
    right: -200px;
    animation: float 20s ease-in-out infinite;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    bottom: -100px;
    left: -100px;
    animation: float 25s ease-in-out infinite reverse;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: #8b5cf6;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float 30s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

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

.hero-badge {
    display: inline-flex;
    padding: 8px 20px;
    background: rgba(99, 102, 241, 0.15);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 50px;
    color: var(--primary-light);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 20px;
}

.hero-desc {
    font-size: 1.1rem;
    color: var(--text-light);
    margin-bottom: 32px;
    max-width: 540px;
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 48px;
}

.hero-stats {
    display: flex;
    gap: 40px;
}

.stat-item {
    text-align: center;
}

.stat-num {
    font-size: 2.2rem;
    font-weight: 800;
    color: #fff;
}

.stat-plus, .stat-percent {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--accent);
}

.stat-item p {
    color: var(--text-light);
    font-size: 0.85rem;
    margin-top: 4px;
}

.hero-visual {
    position: relative;
    height: 400px;
}

.hero-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 24px;
    background: rgba(30, 41, 59, 0.8);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(99, 102, 241, 0.2);
    border-radius: var(--radius);
    color: var(--text-white);
    font-size: 0.9rem;
    animation: cardFloat 6s ease-in-out infinite;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}

.hero-card i {
    font-size: 1.6rem;
    color: var(--primary-light);
}

.hero-card strong {
    display: block;
    color: #fff;
    font-size: 1.1rem;
}

.card-1 { top: 20px; right: 0; animation-delay: 0s; }
.card-2 { bottom: 60px; left: 0; animation-delay: 2s; }
.card-3 { bottom: 0; right: 40px; animation-delay: 4s; }

@keyframes cardFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

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

.section-dark {
    background: var(--bg-dark);
    color: var(--text-white);
}

.section-label {
    display: inline-flex;
    padding: 6px 16px;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 50px;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 3rem);
    font-weight: 800;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
    max-width: 640px;
    margin-bottom: 48px;
    line-height: 1.8;
}

.section-dark .section-desc {
    color: var(--text-light);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 24px;
}

.about-card {
    padding: 32px;
    background: var(--bg-section);
    border-radius: var(--radius);
    border: 1px solid #e2e8f0;
    transition: var(--transition);
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
    border-color: var(--primary-light);
}

.about-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 14px;
    margin-bottom: 16px;
    font-size: 1.4rem;
    color: var(--primary);
}

.about-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.about-card p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.7;
}

/* Services Section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 24px;
}

.service-card {
    padding: 36px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid rgba(99, 102, 241, 0.1);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: var(--primary);
    box-shadow: 0 12px 40px rgba(99, 102, 241, 0.15);
}

.service-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.15);
    border-radius: 14px;
    margin-bottom: 20px;
    font-size: 1.5rem;
    color: var(--primary-light);
}

.service-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: #fff;
}

.service-card > p {
    color: var(--text-light);
    font-size: 0.9rem;
    margin-bottom: 20px;
    line-height: 1.7;
}

.service-features {
    list-style: none;
}

.service-features li {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-light);
    font-size: 0.88rem;
    padding: 6px 0;
}

.service-features i {
    color: var(--accent);
    font-size: 0.8rem;
}

/* Portfolio Section */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 24px;
}

.portfolio-card {
    background: #fff;
    border-radius: var(--radius);
    overflow: hidden;
    border: 1px solid #e2e8f0;
    transition: var(--transition);
}

.portfolio-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.portfolio-img {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea, #764ba2);
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.6);
}

.portfolio-card:nth-child(2) .portfolio-img {
    background: linear-gradient(135deg, #f093fb, #f5576c);
}

.portfolio-card:nth-child(3) .portfolio-img {
    background: linear-gradient(135deg, #4facfe, #00f2fe);
}

.portfolio-card:nth-child(4) .portfolio-img {
    background: linear-gradient(135deg, #43e97b, #38f9d7);
}

.portfolio-body {
    padding: 24px;
}

.portfolio-tag {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.portfolio-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.portfolio-body p {
    color: var(--text-muted);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Testimonials */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.testimonial-card {
    padding: 32px;
    background: var(--bg-card);
    border-radius: var(--radius);
    border: 1px solid rgba(99, 102, 241, 0.1);
}

.stars {
    color: var(--accent);
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.testimonial-card > p {
    color: var(--text-light);
    font-size: 0.92rem;
    line-height: 1.8;
    margin-bottom: 20px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 12px;
}

.author-avatar {
    font-size: 2.2rem;
    color: var(--text-muted);
}

.testimonial-author strong {
    display: block;
    color: #fff;
    font-size: 0.95rem;
}

.testimonial-author span {
    color: var(--text-light);
    font-size: 0.82rem;
}

/* Contact Section */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 48px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-item i {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 12px;
    color: var(--primary);
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item h4 {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 4px;
}

.contact-item p, .contact-item a {
    color: var(--text-muted);
    font-size: 0.9rem;
    text-decoration: none;
}

.contact-item a:hover {
    color: var(--primary);
}

.contact-form {
    background: var(--bg-section);
    padding: 36px;
    border-radius: var(--radius);
    border: 1px solid #e2e8f0;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

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

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.88rem;
    margin-bottom: 6px;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    color: var(--text-dark);
    background: #fff;
    transition: var(--transition);
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

textarea.form-control {
    resize: vertical;
}

.btn-submit {
    width: 100%;
    justify-content: center;
    padding: 14px;
    font-size: 1rem;
}

/* Footer */
.footer {
    background: var(--bg-darker);
    color: var(--text-light);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-brand .brand-text {
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
}

.footer-brand .brand-icon {
    font-size: 1.4rem;
    color: var(--primary-light);
    margin-right: 6px;
}

.footer-brand > p {
    margin: 16px 0 20px;
    font-size: 0.9rem;
    line-height: 1.7;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.06);
    border-radius: 10px;
    color: var(--text-light);
    font-size: 1.1rem;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.footer-links-col h4 {
    color: #fff;
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 16px;
}

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

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

.footer-links-col a {
    color: var(--text-light);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 0.85rem;
}

.footer-bottom a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Back to Top */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--gradient);
    color: #fff;
    border: none;
    border-radius: 14px;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    z-index: 999;
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.4);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 30px rgba(99, 102, 241, 0.5);
}

/* Responsive */
@media (max-width: 992px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-desc {
        margin: 0 auto 32px;
    }

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

    .hero-stats {
        justify-content: center;
    }

    .hero-visual {
        height: 320px;
    }

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

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

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

    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(15, 23, 42, 0.98);
        backdrop-filter: blur(20px);
        padding: 24px;
        gap: 16px;
        border-top: 1px solid rgba(255, 255, 255, 0.06);
    }

    .hamburger {
        display: flex;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-stats {
        gap: 24px;
        flex-wrap: wrap;
    }

    .hero-visual {
        height: 280px;
    }

    .hero-card {
        padding: 12px 18px;
        font-size: 0.82rem;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 8px;
        text-align: center;
    }

    .section {
        padding: 60px 0;
    }
}

@media (max-width: 480px) {
    .hero-card.card-2, .hero-card.card-3 {
        display: none;
    }

    .hero-card.card-1 {
        position: relative;
        top: auto;
        right: auto;
    }

    .hero-visual {
        height: auto;
        display: flex;
        justify-content: center;
        margin-top: 32px;
    }

    .contact-form {
        padding: 24px;
    }
}