:root {
    --primary: #10b981;
    --primary-dark: #059669;
    --primary-light: #34d399;
    --primary-bg: rgba(16, 185, 129, 0.08);
    --dark: #111827;
    --dark-2: #1f2937;
    --dark-3: #0f172a;
    --text: #111827;
    --text-secondary: #6b7280;
    --text-light: #9ca3af;
    --white: #ffffff;
    --bg-light: #f9fafb;
    --bg-section: #f3f4f6;
    --border: #e5e7eb;
    --shadow: 0 1px 3px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.1);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: all 0.3s ease;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

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

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

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

.section {
    padding: 80px 0;
}

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

.hide-mobile { display: inline; }

.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--primary);
    color: var(--white);
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}
.btn-primary:hover {
    background: var(--primary-dark);
    transform: translateY(-1px);
    box-shadow: 0 4px 15px rgba(16,185,129,0.3);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--primary);
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    border: 2px solid var(--primary);
    transition: var(--transition);
    cursor: pointer;
}
.btn-outline:hover {
    background: var(--primary);
    color: var(--white);
}

.btn-outline-white {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: var(--white);
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 15px;
    border: 2px solid rgba(255,255,255,0.4);
    transition: var(--transition);
    cursor: pointer;
}
.btn-outline-white:hover {
    background: var(--white);
    color: var(--dark);
}

.section-title-center {
    text-align: center;
    font-size: 36px;
    font-weight: 800;
    color: var(--dark);
    margin-bottom: 8px;
}
.section-title-left {
    font-size: 36px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1.2;
    margin-bottom: 20px;
}
.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 16px;
    max-width: 600px;
    margin: 0 auto 48px;
}
.dev-divider {
    width: 50px;
    height: 4px;
    background: var(--primary);
    border-radius: 2px;
    margin: 12px auto 16px;
}

.floating-buttons {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 9999;
    align-items: flex-end;
}
.floating-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: var(--transition);
    opacity: 0;
    transform: translateY(20px);
}
.floating-btn.visible {
    opacity: 1;
    transform: translateY(0);
}
.whatsapp-btn { background: #25d366; z-index: 9999; }
.telegram-btn { background: #0088cc; z-index: 9999; }
.floating-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 8px 25px rgba(0,0,0,0.3);
}

.floating-bubble {
    position: fixed;
    bottom: 90px;
    right: 90px;
    background: var(--white);
    color: var(--dark);
    padding: 12px 18px;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    font-size: 13px;
    max-width: 260px;
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition);
    pointer-events: none;
    z-index: 9998;
}
.floating-bubble.active {
    opacity: 1;
    transform: translateX(0);
}
.telegram-bubble {
    bottom: 150px;
}

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
    background: transparent;
}
.navbar.scrolled,
.navbar.menu-open {
    background: rgba(255,255,255,0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 10px rgba(0,0,0,0.06);
    padding: 10px 0;
}
.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}
.brand-logo-img {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    object-fit: cover;
}
.brand-name {
    font-size: 20px;
    font-weight: 800;
    color: var(--white);
    transition: var(--transition);
}
.navbar.scrolled .brand-name,
.navbar.menu-open .brand-name {
    color: var(--dark);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}
.nav-links .nav-link {
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    color: rgba(255,255,255,0.85);
    border-radius: 8px;
    transition: var(--transition);
}
.navbar.scrolled .nav-links .nav-link {
    color: var(--text-secondary);
}
.nav-links .nav-link:hover {
    color: var(--white);
    background: rgba(255,255,255,0.1);
}
.navbar.scrolled .nav-links .nav-link:hover {
    color: var(--dark);
    background: var(--bg-light);
}

.nav-cta-btn {
    background: var(--primary) !important;
    color: var(--white) !important;
    padding: 8px 24px !important;
    border-radius: 8px !important;
    font-weight: 600 !important;
}
.nav-cta-btn:hover {
    background: var(--primary-dark) !important;
}

.nav-dropdown {
    position: relative;
}
.nav-link-dropdown {
    display: flex;
    align-items: center;
    gap: 4px;
}
.nav-link-dropdown i {
    font-size: 10px;
    transition: var(--transition);
}
.nav-dropdown:hover .nav-link-dropdown i,
.nav-dropdown.open .nav-link-dropdown i {
    transform: rotate(180deg);
}
button.nav-link-dropdown {
    background: none;
    border: none;
    cursor: pointer;
    font-family: var(--font);
}
.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 8px;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(8px);
    transition: var(--transition);
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown.open .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-secondary);
    transition: var(--transition);
}
.dropdown-item:hover {
    background: var(--primary-bg);
    color: var(--primary);
}
.dropdown-item i {
    width: 18px;
    text-align: center;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
    z-index: 1001;
    -webkit-tap-highlight-color: transparent;
    touch-action: manipulation;
}
.hamburger span {
    width: 24px;
    height: 2.5px;
    background: var(--white);
    border-radius: 2px;
    transition: var(--transition);
    display: block;
}
.navbar.scrolled .hamburger span {
    background: var(--dark);
}
.hamburger.active span {
    background: var(--dark);
}
.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); }

.nav-menu-mobile {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 10px 40px rgba(0,0,0,0.15);
    padding: 12px 16px 20px;
    flex-direction: column;
    gap: 2px;
    z-index: 999;
    border-radius: 0 0 16px 16px;
    max-height: calc(100vh - 70px);
    overflow-y: auto;
    animation: slideDown 0.3s ease;
}
@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}
.nav-menu-mobile.active {
    display: flex;
}
.nav-menu-mobile .nav-link {
    padding: 14px 16px;
    color: var(--text);
    border-radius: 10px;
    font-size: 16px;
    font-weight: 500;
    transition: var(--transition);
}
.nav-menu-mobile .nav-link:hover,
.nav-menu-mobile .nav-link:active {
    background: var(--primary-bg);
    color: var(--primary);
}
.nav-menu-mobile .nav-cta-btn {
    margin-top: 8px;
    text-align: center;
    display: block;
    background: var(--primary) !important;
    color: var(--white) !important;
    border-radius: 10px !important;
    padding: 14px 16px !important;
    font-weight: 600 !important;
}

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.hero-slideshow {
    position: absolute;
    inset: 0;
    z-index: 0;
}
.hero-slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    opacity: 0;
    transition: opacity 1.5s ease;
}
.hero-slide.active {
    opacity: 1;
}
.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15,23,42,0.88) 0%, rgba(17,24,39,0.75) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 24px 60px;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(16,185,129,0.15);
    color: var(--primary-light);
    padding: 8px 20px;
    border-radius: 50px;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
    border: 1px solid rgba(16,185,129,0.2);
}
.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    animation: pulse-dot 2s infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 20px;
}
.hero-gradient {
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    color: rgba(255,255,255,0.7);
    font-size: 16px;
    line-height: 1.8;
    margin-bottom: 32px;
    max-width: 620px;
}

.hero-buttons {
    margin-bottom: 48px;
}
.hero-buttons .btn-primary {
    padding: 16px 36px;
    font-size: 16px;
    border-radius: 10px;
}

.hero-features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 40px;
    max-width: 700px;
}
.hero-feature-card {
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius);
    padding: 20px 16px;
    text-align: center;
    transition: var(--transition);
}
.hero-feature-card:hover {
    background: rgba(255,255,255,0.1);
    border-color: var(--primary);
}
.hf-icon {
    width: 44px;
    height: 44px;
    background: rgba(16,185,129,0.15);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 10px;
    color: var(--primary-light);
    font-size: 18px;
}
.hero-feature-card span {
    color: rgba(255,255,255,0.8);
    font-size: 12px;
    font-weight: 500;
}

.hero-stats {
    display: flex;
    align-items: center;
    gap: 32px;
}
.hero-stat strong {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--white);
}
.hero-stat span {
    font-size: 13px;
    color: rgba(255,255,255,0.5);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.hero-stat-sep {
    width: 1px;
    height: 40px;
    background: rgba(255,255,255,0.15);
}

.innovation-section {
    background: var(--white);
}
.innovation-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}
.innovation-desc {
    color: var(--text-secondary);
    margin-bottom: 16px;
    font-size: 15px;
    line-height: 1.7;
}
.innovation-stats {
    display: flex;
    gap: 40px;
    margin: 32px 0;
}
.inno-stat strong {
    display: block;
    font-size: 32px;
    font-weight: 800;
    color: var(--primary);
}
.inno-stat span {
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
}
.innovation-buttons {
    display: flex;
    gap: 12px;
}
.innovation-visual {
    position: relative;
}
.innovation-img-wrap {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.innovation-img-wrap img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    display: block;
}
.innovation-badge-float {
    position: absolute;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--white);
    border-radius: 50px;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-md);
    font-weight: 600;
    color: var(--primary);
    font-size: 14px;
}
.innovation-badge-float i {
    color: var(--primary);
}

.developer-section {
    background: var(--bg-light);
}
.dev-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: start;
    margin-top: 48px;
}
.dev-tag {
    display: inline-block;
    background: rgba(16,185,129,0.1);
    color: var(--primary);
    padding: 6px 16px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 16px;
}
.dev-title {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
    line-height: 1.3;
    margin-bottom: 12px;
}
.dev-desc {
    color: var(--text-secondary);
    font-size: 15px;
    line-height: 1.7;
    margin-bottom: 28px;
}
.dev-features-list {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 28px;
}
.dev-feat {
    display: flex;
    align-items: flex-start;
    gap: 14px;
}
.dev-feat-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    background: var(--primary-bg);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    font-size: 16px;
}
.dev-feat strong {
    display: block;
    font-size: 14px;
    color: var(--dark);
    margin-bottom: 2px;
}
.dev-feat span {
    font-size: 13px;
    color: var(--text-secondary);
}
.btn-documentation {
    border-radius: 10px;
}

.dev-code-panel {
    position: sticky;
    top: 100px;
}
.dev-code-window {
    background: var(--dark-3);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.dev-code-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: rgba(255,255,255,0.05);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}
.code-dots {
    display: flex;
    gap: 8px;
}
.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}
.dot-red { background: #ff5f57; }
.dot-yellow { background: #ffbd2e; }
.dot-green { background: #28c840; }
.code-filename {
    color: rgba(255,255,255,0.5);
    font-size: 13px;
}
.code-actions {
    display: flex;
    gap: 8px;
}
.code-action-btn {
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.12);
    color: rgba(255,255,255,0.6);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
}
.code-action-btn:hover {
    background: rgba(255,255,255,0.15);
    color: var(--white);
}
.dev-code-body {
    padding: 24px;
    overflow-x: auto;
}
.dev-code-body pre {
    margin: 0;
    font-family: 'Fira Code', 'Consolas', monospace;
    font-size: 13px;
    line-height: 1.7;
    color: #e2e8f0;
}
.json-key { color: #7dd3fc; }
.json-string { color: #86efac; }
.json-bool { color: #fbbf24; }
.json-comment { color: rgba(255,255,255,0.3); }

.sources-section {
    background: var(--white);
    padding-bottom: 40px;
}
.carousel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.carousel-nav {
    display: flex;
    gap: 12px;
}
.carousel-btn {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--white);
    border: none;
    font-size: 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.carousel-btn:hover {
    background: var(--primary-dark);
    transform: scale(1.05);
}
.carousel-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}
.carousel-wrapper {
    overflow: hidden;
}
.carousel-track {
    display: flex;
    gap: 24px;
    transition: transform 0.5s ease;
}
.carousel-item {
    min-width: calc(25% - 18px);
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 24px;
    text-align: center;
    transition: var(--transition);
    flex-shrink: 0;
}
.carousel-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.src-icon {
    width: 56px;
    height: 56px;
    background: var(--primary-bg);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 14px;
    color: var(--primary);
    font-size: 22px;
}
.carousel-item h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 6px;
}
.carousel-item p {
    font-size: 13px;
    color: var(--text-secondary);
}
.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: 24px;
}
.carousel-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--border);
    cursor: pointer;
    transition: var(--transition);
}
.carousel-dot.active {
    background: var(--primary);
    width: 28px;
    border-radius: 5px;
}

.how-section {
    background: var(--bg-light);
}
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    margin-top: 16px;
}
.step-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 32px 24px;
    text-align: center;
    position: relative;
    transition: var(--transition);
}
.step-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: var(--primary);
}
.step-icon {
    width: 64px;
    height: 64px;
    background: var(--primary-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--primary);
    font-size: 24px;
}
.step-badge {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 4px 14px;
    border-radius: 50px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 14px;
}
.step-card h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}
.step-card p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}
.step-arrow {
    position: absolute;
    right: -16px;
    top: 50%;
    transform: translateY(-50%);
    width: 32px;
    height: 32px;
    background: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 12px;
    z-index: 2;
}
.step-card:last-child .step-arrow { display: none; }

.telegram-section {
    background: var(--white);
}
.telegram-grid {
    display: grid;
    grid-template-columns: 280px 1fr 280px;
    gap: 40px;
    align-items: start;
}
.tg-option {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 16px;
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid transparent;
}
.tg-option.active {
    background: var(--primary);
    color: var(--white);
    border-radius: var(--radius-lg);
}
.tg-option:not(.active):hover {
    background: var(--bg-light);
}
.tg-option-icon {
    width: 40px;
    height: 40px;
    min-width: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    background: rgba(255,255,255,0.15);
}
.tg-option:not(.active) .tg-option-icon {
    background: var(--primary-bg);
    color: var(--primary);
}
.tg-option strong {
    display: block;
    font-size: 14px;
    margin-bottom: 2px;
}
.tg-option span {
    font-size: 12px;
    opacity: 0.8;
}

.telegram-content h3 {
    font-size: 26px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}
.telegram-content > p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-bottom: 24px;
}
.tg-steps {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-bottom: 28px;
}
.tg-step {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--text);
}
.tg-step i {
    color: var(--primary);
    font-size: 18px;
}
.btn-telegram {
    border-radius: 10px;
}

.telegram-preview {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}
.telegram-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.pricing-section {
    background: var(--bg-light);
}
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.price-card {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    transition: var(--transition);
    position: relative;
}
.price-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
}
.price-card-popular {
    border-color: var(--primary);
    box-shadow: 0 0 0 1px var(--primary);
}
.pc-popular-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary);
    color: var(--white);
    padding: 4px 20px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
}
.pc-header {
    text-align: center;
    margin-bottom: 16px;
}
.pc-name {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}
.pc-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}
.pc-currency {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-secondary);
}
.pc-amount {
    font-size: 48px;
    font-weight: 800;
    color: var(--dark);
    line-height: 1;
}
.pc-desc {
    text-align: center;
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
    line-height: 1.5;
}
.pc-features {
    list-style: none;
    margin-bottom: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.pc-features li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--text);
}
.pc-features i {
    color: var(--primary);
    font-size: 14px;
}
.pc-btn {
    display: block;
    text-align: center;
    padding: 14px;
    border-radius: 10px;
    font-weight: 600;
    font-size: 15px;
    border: 2px solid var(--border);
    color: var(--dark);
    transition: var(--transition);
    background: transparent;
}
.pc-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-bg);
}
.pc-btn-popular {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}
.pc-btn-popular:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    color: var(--white);
}

.cta-section {
    background: var(--white);
}
.cta-banner {
    background: linear-gradient(135deg, var(--primary-bg), rgba(16,185,129,0.04));
    border: 1px solid rgba(16,185,129,0.15);
    border-radius: var(--radius-lg);
    padding: 56px 48px;
    text-align: center;
}
.cta-tag {
    display: inline-block;
    background: var(--primary);
    color: var(--white);
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    margin-bottom: 20px;
}
.cta-banner h2 {
    font-size: 30px;
    font-weight: 800;
    color: var(--dark);
    max-width: 600px;
    margin: 0 auto 12px;
    line-height: 1.3;
}
.cta-banner > p {
    color: var(--text-secondary);
    font-size: 15px;
    max-width: 550px;
    margin: 0 auto 32px;
}
.cta-features {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin-bottom: 32px;
}
.cta-feat {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    text-align: left;
}
.cta-feat i {
    color: var(--primary);
    font-size: 20px;
    margin-top: 2px;
}
.cta-feat strong {
    display: block;
    font-size: 14px;
    color: var(--dark);
    margin-bottom: 2px;
}
.cta-feat span {
    font-size: 13px;
    color: var(--text-secondary);
}
.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 24px;
}
.cta-buttons .btn-outline-white {
    color: var(--text-secondary);
    border-color: var(--border);
}
.cta-buttons .btn-outline-white:hover {
    background: var(--dark);
    color: var(--white);
    border-color: var(--dark);
}
.cta-stats-row {
    display: flex;
    justify-content: center;
    gap: 32px;
    font-size: 14px;
    color: var(--text-secondary);
}
.cta-stats-row strong {
    color: var(--primary);
}

.faq-section {
    background: var(--bg-light);
}
.faq-grid {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.faq-item {
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
}
.faq-item:hover {
    border-color: var(--primary);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    cursor: pointer;
    font-weight: 600;
    font-size: 15px;
    color: var(--dark);
}
.faq-question i {
    color: var(--primary);
    transition: var(--transition);
    font-size: 14px;
}
.faq-item.open .faq-question i {
    transform: rotate(180deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}
.faq-item.open .faq-answer {
    max-height: 300px;
    padding: 0 24px 20px;
}
.faq-answer p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.7;
}

.site-footer {
    background: var(--dark);
    color: rgba(255,255,255,0.7);
    padding: 60px 0 30px;
}
.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 40px;
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}
.footer-logo-img {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    object-fit: cover;
}
.footer-logo span {
    font-size: 18px;
    font-weight: 700;
    color: var(--white);
}
.footer-logo span span {
    color: var(--primary);
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.6;
    margin-bottom: 16px;
}
.footer-socials {
    display: flex;
    gap: 10px;
}
.footer-socials a {
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: rgba(255,255,255,0.6);
    font-size: 16px;
    transition: var(--transition);
}
.footer-socials a:hover {
    background: var(--primary);
    color: var(--white);
}
.footer-col h5 {
    font-size: 14px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 16px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.footer-col ul {
    list-style: none;
}
.footer-col li {
    margin-bottom: 10px;
}
.footer-col a {
    font-size: 14px;
    color: rgba(255,255,255,0.5);
    transition: var(--transition);
}
.footer-col a:hover {
    color: var(--primary);
}
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.footer-bottom p {
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}
.footer-legal {
    display: flex;
    gap: 12px;
    font-size: 13px;
    color: rgba(255,255,255,0.4);
}
.footer-legal a {
    color: rgba(255,255,255,0.5);
    transition: var(--transition);
}
.footer-legal a:hover {
    color: var(--primary);
}

.api-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(4px);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: 24px;
}
.api-modal-content {
    background: var(--white);
    border-radius: var(--radius-lg);
    max-width: 700px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--shadow-lg);
}
.api-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
}
.api-modal-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    display: flex;
    align-items: center;
    gap: 8px;
}
.api-modal-header i {
    color: var(--primary);
}
.api-modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--bg-light);
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}
.api-modal-close:hover {
    background: #fee2e2;
    color: #ef4444;
}
.api-modal-body {
    padding: 24px;
}
.api-info {
    background: var(--bg-light);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 20px;
}
.api-info p {
    font-size: 14px;
    margin-bottom: 6px;
    color: var(--text);
}
.api-info code {
    background: rgba(16,185,129,0.1);
    color: var(--primary);
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 13px;
}
.method-badge {
    background: var(--primary);
    color: var(--white);
    padding: 2px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 700;
}
.carousel-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 12px;
}
.tab-btn {
    padding: 8px 16px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}
.tab-btn.active {
    background: var(--primary);
    border-color: var(--primary);
    color: var(--white);
}
.code-slide {
    display: none;
}
.code-slide.active {
    display: block;
}
.code-slide .code-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 16px;
    background: var(--dark-3);
    border-radius: var(--radius) var(--radius) 0 0;
    color: rgba(255,255,255,0.5);
    font-size: 13px;
}
.copy-code-btn {
    background: transparent;
    border: 1px solid rgba(255,255,255,0.15);
    color: rgba(255,255,255,0.6);
    padding: 4px 12px;
    border-radius: 6px;
    font-size: 12px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 4px;
}
.copy-code-btn:hover {
    background: rgba(255,255,255,0.1);
    color: var(--white);
}
.code-slide pre {
    background: var(--dark-3);
    padding: 16px;
    border-radius: 0 0 var(--radius) var(--radius);
    overflow-x: auto;
    font-size: 13px;
    line-height: 1.6;
    color: #e2e8f0;
}
.api-note {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 16px;
    padding: 12px 16px;
    background: #fef3c7;
    border-radius: var(--radius);
    font-size: 13px;
    color: #92400e;
}
.api-note i {
    color: #f59e0b;
}
.api-note code {
    background: rgba(0,0,0,0.08);
    padding: 1px 6px;
    border-radius: 3px;
}

.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}
.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 1024px) {
    .nav-links { display: none; }
    .hamburger { display: flex; }

    .hero-title { font-size: 38px; }
    .hero-features-grid { grid-template-columns: repeat(2, 1fr); }

    .innovation-grid { grid-template-columns: 1fr; gap: 40px; }
    .dev-grid { grid-template-columns: 1fr; }
    .dev-code-panel { position: static; }

    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .step-arrow { display: none; }

    .telegram-grid { grid-template-columns: 1fr; }
    .telegram-sidebar { display: flex; flex-wrap: wrap; gap: 8px; }
    .tg-option { flex: 1; min-width: 180px; }
    .telegram-preview { max-width: 300px; margin: 0 auto; }

    .pricing-grid { grid-template-columns: 1fr; max-width: 420px; margin: 0 auto; }

    .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}

@media (max-width: 768px) {
    .section { padding: 60px 0; }

    .hero { min-height: auto; padding: 0; }
    .hero-content { padding: 100px 20px 50px; }
    .hero-title { font-size: 30px; }
    .hero-description { font-size: 14px; }
    .hero-features-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
    .hero-stats { flex-wrap: wrap; gap: 20px; }
    .hero-stat-sep { display: none; }
    .hero-buttons .btn-primary { width: 100%; justify-content: center; }
    .hide-mobile { display: none; }

    .section-title-center { font-size: 24px; }
    .section-title-left { font-size: 24px; }
    .section-subtitle { font-size: 14px; }

    .innovation-stats { flex-wrap: wrap; gap: 24px; }
    .innovation-buttons { flex-direction: column; }
    .innovation-buttons .btn-primary,
    .innovation-buttons .btn-outline { width: 100%; justify-content: center; text-align: center; }
    .innovation-img-wrap img { height: 260px; }

    .steps-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }

    .cta-banner { padding: 36px 20px; }
    .cta-banner h2 { font-size: 22px; }
    .cta-features { flex-direction: column; gap: 20px; align-items: center; }
    .cta-buttons { flex-direction: column; align-items: stretch; }
    .cta-buttons .btn-primary,
    .cta-buttons .btn-outline-white { width: 100%; justify-content: center; text-align: center; }
    .cta-stats-row { flex-wrap: wrap; justify-content: center; gap: 16px; font-size: 13px; }

    .footer-grid { grid-template-columns: 1fr; }
    .footer-bottom { flex-direction: column; gap: 10px; text-align: center; }
    .footer-legal { flex-wrap: wrap; justify-content: center; }

    .carousel-item { min-width: calc(50% - 12px); }

    .dev-code-body { padding: 16px; }
    .dev-code-body pre { font-size: 11px; }
    .dev-title { font-size: 22px; }

    .telegram-content h3 { font-size: 22px; }

    .price-card { padding: 28px 20px; }

    .floating-buttons {
        bottom: 16px;
        right: 16px;
        gap: 10px;
    }
    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 22px;
    }
    .floating-bubble {
        right: 76px;
        bottom: 76px;
        max-width: 220px;
        font-size: 12px;
        padding: 10px 14px;
    }
    .floating-bubble.telegram-bubble {
        bottom: 132px;
    }

    .navbar {
        padding: 12px 0;
    }
    .navbar.scrolled {
        padding: 8px 0;
    }
    .nav-container {
        padding: 0 16px;
    }
    .brand-logo-img {
        width: 34px;
        height: 34px;
    }
    .brand-name {
        font-size: 18px;
    }

    .nav-menu-mobile {
        padding: 12px 16px 20px;
        border-radius: 0 0 16px 16px;
    }
    .nav-menu-mobile .nav-link {
        padding: 14px 16px;
        font-size: 16px;
        border-bottom: 1px solid var(--border);
    }
    .nav-menu-mobile .nav-link:last-child {
        border-bottom: none;
    }
    .nav-menu-mobile .nav-cta-btn {
        margin-top: 8px;
        text-align: center;
        display: block;
        padding: 14px 16px !important;
    }

    .faq-question { font-size: 14px; padding: 16px; }
    .faq-answer p { font-size: 13px; }
    .faq-item.open .faq-answer { padding: 0 16px 16px; }
}

@media (max-width: 480px) {
    .hero-content { padding: 90px 16px 40px; }
    .hero-title { font-size: 24px; }
    .hero-badge { font-size: 11px; padding: 6px 14px; }
    .hero-features-grid { grid-template-columns: 1fr 1fr; }
    .hero-feature-card { padding: 14px 10px; }
    .hero-feature-card span { font-size: 11px; }
    .hero-stat strong { font-size: 22px; }
    .hero-stat span { font-size: 11px; }

    .carousel-item { min-width: 100%; }
    .carousel-btn { width: 40px; height: 40px; font-size: 14px; }

    .pc-amount { font-size: 40px; }
    .section-container { padding: 0 16px; }

    .innovation-stats { gap: 16px; }
    .inno-stat strong { font-size: 26px; }

    .step-card { padding: 24px 18px; }

    .floating-buttons { bottom: 12px; right: 12px; }
    .floating-btn { width: 46px; height: 46px; font-size: 20px; }
    .floating-bubble { right: 66px; bottom: 66px; max-width: 200px; }
    .floating-bubble.telegram-bubble { bottom: 118px; }

    .cta-banner { padding: 28px 16px; }
    .cta-banner h2 { font-size: 20px; }

    .dev-code-body pre { font-size: 10px; line-height: 1.5; }
}