/* ============================================
   DESIGN SYSTEM — Примирительная
   ============================================ */

:root {
    /* Colors */
    --color-bg: #0d0b14;
    --color-surface: #161324;
    --color-surface-2: #1e1a30;
    --color-surface-3: #272240;
    --color-border: rgba(255, 255, 255, 0.06);
    --color-border-hover: rgba(255, 255, 255, 0.12);

    --color-text: #f0ecf9;
    --color-text-secondary: #9b93b4;
    --color-text-muted: #6b6280;

    --color-primary: #a78bfa;
    --color-primary-light: #c4b5fd;
    --color-primary-dark: #7c3aed;

    --color-accent: #f9a8d4;
    --color-accent-2: #6ee7b7;
    --color-accent-3: #fcd6bb;

    --gradient-primary: linear-gradient(135deg, #a78bfa 0%, #f9a8d4 50%, #fcd6bb 100%);
    --gradient-card: linear-gradient(135deg, rgba(167, 139, 250, 0.08) 0%, rgba(249, 168, 212, 0.04) 100%);
    --gradient-glow: radial-gradient(circle, rgba(167, 139, 250, 0.15) 0%, transparent 70%);

    /* Typography */
    --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Spacing */
    --section-padding: 120px;

    /* Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

/* ============================================
   RESET & BASE
   ============================================ */

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

a {
    color: inherit;
    text-decoration: none;
}

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

/* ============================================
   PARTICLES BACKGROUND
   ============================================ */

.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.3;
    animation: particleFloat linear infinite;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.3;
    }
    90% {
        opacity: 0.3;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

/* ============================================
   LAYOUT
   ============================================ */

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

.section {
    padding: var(--section-padding) 0;
    position: relative;
    z-index: 1;
}

.section-dark {
    background: var(--color-surface);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    padding: 16px 0;
    transition: var(--transition-smooth);
    backdrop-filter: blur(0px);
}

.nav.scrolled {
    padding: 10px 0;
    background: rgba(13, 11, 20, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border);
}

.nav-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1.2rem;
}

.nav-logo-img {
    width: 36px;
    height: 36px;
    border-radius: 10px;
}

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

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

.nav-links a {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    transition: var(--transition-fast);
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    border-radius: 2px;
    transition: var(--transition-fast);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 8px 20px;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    background: rgba(167, 139, 250, 0.1);
    border: 1px solid rgba(167, 139, 250, 0.2);
    color: var(--color-primary-light);
    transition: var(--transition-fast);
}

.nav-cta:hover {
    background: rgba(167, 139, 250, 0.2);
    border-color: rgba(167, 139, 250, 0.4);
    transform: translateY(-1px);
}

/* ============================================
   HERO
   ============================================ */

.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: 60px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 24px 80px;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 100px;
    background: rgba(110, 231, 183, 0.1);
    border: 1px solid rgba(110, 231, 183, 0.2);
    color: var(--color-accent-2);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease-out;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--color-accent-2);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 24px;
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

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

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    max-width: 500px;
    margin-bottom: 36px;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 48px;
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 14px;
    animation: fadeInUp 0.6s ease-out 0.4s both;
}

.trust-avatars {
    display: flex;
}

.trust-avatar {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    border: 2px solid var(--color-bg);
    margin-left: -8px;
}

.trust-avatar:first-child {
    margin-left: 0;
}

.trust-text {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* Hero visual */
.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-image-wrapper {
    position: relative;
    width: 420px;
    height: 420px;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: var(--radius-xl);
    position: relative;
    z-index: 1;
}

.hero-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 300px;
    height: 300px;
    background: var(--gradient-glow);
    border-radius: 50%;
    filter: blur(60px);
    z-index: 0;
}

/* Floating cards */
.float-card {
    position: absolute;
    background: var(--color-surface-2);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: 14px 18px;
    max-width: 280px;
    z-index: 2;
    backdrop-filter: blur(10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.float-card p {
    font-size: 0.8rem;
    color: var(--color-text-secondary);
    line-height: 1.4;
}

.float-card-translated {
    color: var(--color-accent-2) !important;
    font-weight: 500;
    margin-top: 6px;
}

.float-card-emoji {
    display: inline;
    font-size: 1rem;
}

.float-card-arrow {
    display: inline;
    color: var(--color-text-muted);
    margin: 0 4px;
}

.float-card-1 {
    top: 20%;
    right: -30px;
    animation: floatCard 6s ease-in-out infinite;
}

.float-card-2 {
    bottom: 15%;
    left: -40px;
    animation: floatCard 6s ease-in-out infinite 3s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ============================================
   BUTTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #1a1025;
    box-shadow: 0 4px 20px rgba(167, 139, 250, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(167, 139, 250, 0.5);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-ghost {
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-border);
}

.btn-ghost:hover {
    color: var(--color-text);
    border-color: var(--color-border-hover);
    background: rgba(255, 255, 255, 0.03);
}

.btn-lg {
    padding: 18px 36px;
    font-size: 1.1rem;
    border-radius: var(--radius-lg);
}

/* ============================================
   SECTION HEADERS
   ============================================ */

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    border-radius: 100px;
    background: rgba(167, 139, 250, 0.1);
    border: 1px solid rgba(167, 139, 250, 0.15);
    color: var(--color-primary-light);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.8rem);
    font-weight: 700;
    margin-bottom: 16px;
    line-height: 1.2;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.7;
}

/* ============================================
   STEPS
   ============================================ */

.steps-grid {
    display: flex;
    align-items: stretch;
    justify-content: center;
    gap: 0;
}

.step-card {
    flex: 1;
    max-width: 340px;
    padding: 40px 32px;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    text-align: center;
    transition: var(--transition-smooth);
    position: relative;
}

.step-card:hover {
    border-color: rgba(167, 139, 250, 0.2);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(167, 139, 250, 0.08);
}

.step-number {
    position: absolute;
    top: 20px;
    right: 24px;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text-muted);
    opacity: 0.5;
}

.step-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.step-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 12px;
}

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

.step-connector {
    display: flex;
    align-items: center;
    padding: 0 12px;
    color: var(--color-text-muted);
    opacity: 0.4;
}

/* ============================================
   FEATURES
   ============================================ */

.features-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.feature-card {
    padding: 36px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: var(--transition-smooth);
}

.feature-card:hover {
    border-color: rgba(167, 139, 250, 0.2);
    background: rgba(167, 139, 250, 0.04);
    transform: translateY(-2px);
}

.feature-icon {
    font-size: 2rem;
    margin-bottom: 16px;
}

.feature-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 10px;
}

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

.feature-example {
    margin-top: 20px;
    border-radius: var(--radius-md);
    overflow: hidden;
}

.example-before,
.example-after {
    padding: 12px 16px;
    font-size: 0.85rem;
    line-height: 1.5;
}

.example-before {
    background: rgba(239, 68, 68, 0.06);
    border: 1px solid rgba(239, 68, 68, 0.1);
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    color: #fca5a5;
}

.example-after {
    background: rgba(110, 231, 183, 0.06);
    border: 1px solid rgba(110, 231, 183, 0.1);
    border-top: none;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    color: var(--color-accent-2);
}

.example-label {
    display: inline-block;
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-right: 6px;
    opacity: 0.7;
}

/* ============================================
   TESTIMONIALS
   ============================================ */

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.testimonial-card {
    padding: 32px;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: var(--transition-smooth);
}

.testimonial-card:hover {
    border-color: rgba(167, 139, 250, 0.2);
    transform: translateY(-2px);
}

.testimonial-stars {
    margin-bottom: 16px;
    font-size: 0.9rem;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: 20px;
    font-style: italic;
}

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

.testimonial-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
    color: #1a1025;
}

.testimonial-author strong {
    display: block;
    font-size: 0.9rem;
}

.testimonial-author span {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ============================================
   CTA SECTION
   ============================================ */

.section-cta {
    padding: 80px 0;
}

.cta-card {
    position: relative;
    text-align: center;
    padding: 80px 60px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    overflow: hidden;
}

.cta-glow {
    position: absolute;
    top: -50%;
    left: 50%;
    transform: translateX(-50%);
    width: 600px;
    height: 400px;
    background: radial-gradient(circle, rgba(167, 139, 250, 0.1) 0%, rgba(249, 168, 212, 0.05) 50%, transparent 70%);
    pointer-events: none;
}

.cta-logo {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    margin: 0 auto 24px;
}

.cta-title {
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    max-width: 520px;
    margin: 0 auto 36px;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 24px;
}

.cta-note {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ============================================
   FAQ
   ============================================ */

.faq-list {
    max-width: 700px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.faq-item {
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: var(--transition-fast);
}

.faq-item:hover {
    border-color: var(--color-border-hover);
}

.faq-item[open] {
    border-color: rgba(167, 139, 250, 0.2);
}

.faq-question {
    padding: 20px 24px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    list-style: none;
    transition: var(--transition-fast);
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question:hover {
    color: var(--color-primary-light);
}

.faq-icon {
    font-size: 1.3rem;
    color: var(--color-text-muted);
    transition: var(--transition-fast);
    flex-shrink: 0;
    margin-left: 16px;
}

.faq-item[open] .faq-icon {
    transform: rotate(45deg);
    color: var(--color-primary);
}

.faq-answer {
    padding: 0 24px 20px;
}

.faq-answer p {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    padding: 40px 0;
    border-top: 1px solid var(--color-border);
    position: relative;
    z-index: 1;
}

.footer-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
    font-size: 1.1rem;
}

.footer-logo {
    width: 32px;
    height: 32px;
    border-radius: 8px;
}

.footer-copy {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
        min-height: auto;
        padding-top: 100px;
    }

    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

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

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

    .hero-image-wrapper {
        width: 320px;
        height: 320px;
    }

    .float-card-1 {
        right: 0;
        top: 0;
    }

    .float-card-2 {
        left: 0;
        bottom: 0;
    }

    .steps-grid {
        flex-direction: column;
        align-items: center;
    }

    .step-connector {
        transform: rotate(90deg);
        padding: 8px 0;
    }

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

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

@media (max-width: 768px) {
    :root {
        --section-padding: 80px;
    }

    .nav-links {
        display: none;
    }

    .hero-title {
        font-size: 2.2rem;
    }

    .hero-image-wrapper {
        width: 260px;
        height: 260px;
    }

    .float-card {
        display: none;
    }

    .step-card {
        padding: 28px 24px;
    }

    .cta-card {
        padding: 48px 24px;
    }

    .footer-inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
    }
}