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

:root {
    --primary: #0066ff;
    --primary-dark: #0052cc;
    --primary-light: #e6f0ff;
    --dark: #0f172a;
    --gray: #64748b;
    --gray-light: #f1f5f9;
    --white: #ffffff;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, sans-serif;
    color: var(--dark);
    background: var(--white);
    line-height: 1.6;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.25rem 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid transparent;
    z-index: 1000;
    transition: all 0.3s ease;
}

nav.scrolled {
    border-bottom: 1px solid var(--gray-light);
}

.logo {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--dark);
    text-decoration: none;
    letter-spacing: -0.5px;
}

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

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    text-decoration: none;
    color: var(--gray);
    font-weight: 500;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

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

.nav-cta {
    padding: 0.65rem 1.5rem;
    background: var(--primary);
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.nav-cta:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
}

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

.menu-toggle span {
    width: 22px;
    height: 2px;
    background: var(--dark);
    transition: all 0.3s ease;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 8% 6rem;
    background: linear-gradient(180deg, var(--white) 0%, var(--gray-light) 100%);
}

.hero-content {
    max-width: 700px;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 500;
    border-radius: 50px;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 700;
    color: var(--dark);
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
}

.hero h1 span {
    color: var(--primary);
}

.hero p {
    font-size: 1.15rem;
    color: var(--gray);
    margin-bottom: 2.5rem;
    max-width: 500px;
    line-height: 1.7;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 1.75rem;
    font-weight: 500;
    font-size: 0.95rem;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.2s ease;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.25);
}

.btn-secondary {
    background: var(--white);
    color: var(--dark);
    border: 1px solid var(--gray-light);
}

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

/* Sections */
section {
    padding: 6rem 8%;
}

.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 4rem;
}

.section-tag {
    display: inline-block;
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--dark);
    letter-spacing: -0.5px;
    margin-bottom: 1rem;
}

.section-desc {
    color: var(--gray);
    font-size: 1.05rem;
}

/* Services */
.services {
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1100px;
    margin: 0 auto;
}

.service-card {
    padding: 2.5rem;
    background: var(--white);
    border: 1px solid var(--gray-light);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.service-card:hover {
    border-color: var(--primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06);
    transform: translateY(-5px);
}

.service-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-light);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 0.75rem;
}

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

/* About */
.about {
    background: var(--gray-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    max-width: 1100px;
    margin: 0 auto;
    align-items: center;
}

.about-visual {
    height: 450px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 20px;
    position: relative;
    overflow: hidden;
}

.about-visual::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 20%;
    width: 60%;
    height: 60%;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
}

.about-visual::after {
    content: '';
    position: absolute;
    bottom: -20%;
    right: -20%;
    width: 60%;
    height: 60%;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.about-text h2 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 1.5rem;
    letter-spacing: -0.5px;
}

.about-text p {
    color: var(--gray);
    margin-bottom: 1.25rem;
    line-height: 1.7;
}

.stats {
    display: flex;
    gap: 3rem;
    margin-top: 2rem;
}

.stat h4 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.stat p {
    font-size: 0.9rem;
    color: var(--gray);
    margin: 0;
}

/* Contact */
.contact {
    background: var(--white);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--gray);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
    color: var(--dark);
    font-size: 0.95rem;
}

.contact-item span:first-child {
    width: 40px;
    height: 40px;
    background: var(--primary-light);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-form {
    background: var(--gray-light);
    padding: 2.5rem;
    border-radius: 20px;
}

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

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    border: 1px solid transparent;
    border-radius: 10px;
    font-family: inherit;
    font-size: 0.95rem;
    background: var(--white);
    margin-bottom: 1rem;
    transition: all 0.2s ease;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--primary);
}

.contact-form textarea {
    min-height: 130px;
    resize: vertical;
}

.contact-form button {
    width: 100%;
    padding: 1rem;
    background: var(--primary);
    color: var(--white);
    border: none;
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.contact-form button:hover {
    background: var(--primary-dark);
}

/* Footer */
footer {
    background: var(--dark);
    color: var(--white);
    padding: 4rem 8% 2rem;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    flex-wrap: wrap;
    gap: 2rem;
}

.footer-logo {
    font-size: 1.4rem;
    font-weight: 700;
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
}

.footer-links a:hover {
    color: var(--white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.copyright {
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 968px) {
    .about-content,
    .contact-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .about-visual {
        height: 300px;
        order: -1;
    }

    .stats {
        justify-content: flex-start;
    }
}

@media (max-width: 768px) {
    nav {
        padding: 1rem 5%;
    }

    .nav-links, .nav-cta {
        display: none;
    }

    .nav-links.active {
        display: flex;
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid var(--gray-light);
    }

    .menu-toggle {
        display: flex;
    }

    .hero, section {
        padding-left: 5%;
        padding-right: 5%;
    }

    .hero {
        padding-top: 6rem;
    }

    section {
        padding-top: 4rem;
        padding-bottom: 4rem;
    }

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

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }

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