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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background-color: #FFFFFF;
    color: #111827;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

:root {
    --primary: #5B4BFF;
    --primary-dark: #4239cc;
    --primary-light: #8a7eff;
    --secondary: #FF6B6B;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --radius-sm: 0.5rem;
    --radius-md: 1rem;
    --radius-lg: 1.5rem;
    --radius-full: 9999px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 6rem 0;
    position: relative;
}

.section--dark {
    background-color: var(--gray-900);
    color: var(--gray-100);
}

.section--light {
    background-color: var(--gray-50);
}

.section__header {
    text-align: center;
    margin-bottom: 4rem;
}

.section__tag {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--primary);
    margin-bottom: 1rem;
    background: rgba(91, 75, 255, 0.1);
    padding: 0.25rem 1rem;
    border-radius: var(--radius-full);
}

.section__title {
    font-size: 2.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section--dark .section__title {
    color: white;
}

.section__subtitle {
    font-size: 1.125rem;
    color: var(--gray-500);
    max-width: 600px;
    margin: 0 auto;
}

.section--dark .section__subtitle {
    color: var(--gray-400);
}

.nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.nav__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.nav--scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.nav__logo {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--gray-900);
}

.logo-mark {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.logo-dot {
    width: 6px;
    height: 6px;
    background: var(--primary);
    border-radius: 50%;
    display: inline-block;
}

.nav__links {
    display: flex;
    gap: 2.5rem;
}

.nav__link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: var(--transition);
    font-size: 1rem;
}

.nav__link:hover {
    color: var(--primary);
}

.nav__toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.nav__toggle span {
    width: 24px;
    height: 2px;
    background: var(--gray-800);
    transition: var(--transition);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #f5f7ff 0%, #ffffff 100%);
    padding-top: 80px;
}

.hero__content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero__badge {
    display: inline-block;
    background: rgba(91, 75, 255, 0.1);
    padding: 0.5rem 1.2rem;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 2rem;
    backdrop-filter: blur(4px);
}

.hero__title {
    font-size: 6rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    line-height: 1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #1F2937, var(--primary));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero__subtitle {
    font-size: 1.25rem;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.hero__actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    font-size: 1rem;
    cursor: pointer;
}

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

.btn--primary:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--text {
    background: transparent;
    color: var(--gray-700);
    border: 1px solid var(--gray-300);
}

.btn--text:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
}

.hero__background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.gradient-sphere {
    position: absolute;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(91, 75, 255, 0.1) 0%, rgba(91, 75, 255, 0) 70%);
    border-radius: 50%;
    top: -200px;
    right: -100px;
}

.sphere--secondary {
    bottom: -200px;
    left: -100px;
    top: auto;
    background: radial-gradient(circle, rgba(255, 107, 107, 0.08) 0%, rgba(255, 107, 107, 0) 70%);
}

.stats {
    padding: 4rem 0;
    background: white;
    border-bottom: 1px solid var(--gray-200);
}

.stats__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    text-align: center;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--gray-500);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.grid {
    display: grid;
    gap: 2rem;
}

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

.grid--3 {
    grid-template-columns: repeat(3, 1fr);
}

.card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    transition: var(--transition);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-sm);
}

.card--dark {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(4px);
}

.card--hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-light);
}

.card--hover-scale:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.card__icon {
    font-size: 2rem;
    color: var(--primary);
    margin-bottom: 1.5rem;
}

.card__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.card__text {
    color: var(--gray-500);
    line-height: 1.6;
}

.section--dark .card__text {
    color: var(--gray-400);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.testimonial-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--gray-100);
}

.testimonial-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.testimonial__content i {
    color: var(--primary);
    opacity: 0.5;
    margin-bottom: 1rem;
    display: inline-block;
}

.testimonial__content p {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--gray-700);
    margin-bottom: 1.5rem;
}

.testimonial__author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author__avatar {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: white;
}

.author__name {
    font-weight: 700;
    color: var(--gray-800);
}

.author__role {
    font-size: 0.75rem;
    color: var(--gray-500);
}

.security-list {
    list-style: none;
    margin-top: 2rem;
}

.security-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: var(--gray-700);
}

.security-list i {
    color: var(--primary);
    width: 24px;
}

.contact-card {
    background: white;
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gray-200);
}

.contact-card__title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.contact-card__text {
    color: var(--gray-500);
    margin-bottom: 1.5rem;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.contact-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    transition: var(--transition);
}

.contact-link:hover {
    color: var(--primary);
    transform: translateX(5px);
}

.social-mini {
    display: flex;
    gap: 1rem;
    border-top: 1px solid var(--gray-200);
    padding-top: 1.5rem;
}

.social-mini a {
    color: var(--gray-500);
    font-size: 1.25rem;
    transition: var(--transition);
}

.social-mini a:hover {
    color: var(--primary);
    transform: translateY(-2px);
}

.footer {
    background: var(--gray-900);
    color: var(--gray-400);
    padding: 4rem 0 2rem;
}

.footer__grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer__logo {
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, white, var(--gray-400));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-decoration: none;
    display: inline-block;
    margin-bottom: 1rem;
}

.footer__description {
    max-width: 250px;
    font-size: 0.875rem;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer__col h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.footer__col ul {
    list-style: none;
}

.footer__col li {
    margin-bottom: 0.75rem;
}

.footer__col a {
    text-decoration: none;
    color: var(--gray-400);
    font-size: 0.875rem;
    transition: var(--transition);
}

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

.footer__bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.75rem;
}

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

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease-out;
}

.animate-on-scroll.animated {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1024px) {

    .grid--3,
    .testimonials-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero__title {
        font-size: 4.5rem;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav__links {
        display: none;
        position: absolute;
        top: 80px;
        left: 0;
        width: 100%;
        background: white;
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--gray-200);
    }

    .nav__links.active {
        display: flex;
    }

    .nav__toggle {
        display: flex;
    }

    .hero__title {
        font-size: 3rem;
    }

    .grid--2,
    .grid--3,
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    .stats__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .section {
        padding: 4rem 0;
    }

    .container {
        padding: 0 1.5rem;
    }

    .footer__links {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}