/* Яндекс Браузер - Современный дизайн */

@import url('https://fonts.googleapis.com/css2?family=Golos+Text:wght@400;500;600;700;800;900&display=swap');

:root {
    --yandex-red: #FC3F1D;
    --yandex-dark-red: #E63100;
    --yandex-yellow: #FFDB4D;
    --yandex-purple: #9B4DFF;
    --yandex-blue: #0088FF;
    --dark: #000000;
    --dark-2: #1C1C1E;
    --dark-3: #2C2C2E;
    --gray: #8E8E93;
    --light-gray: #F2F2F7;
    --white: #FFFFFF;
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Golos Text', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--white);
    color: var(--dark);
    overflow-x: hidden;
    line-height: 1.6;
    padding-right: 320px;
    padding-bottom: 80px;
}

@media (max-width: 1400px) {
    body {
        padding-right: 0;
    }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 40px;
}

/* Animated Background */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -2;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8F8F8 100%);
    overflow: hidden;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: radial-gradient(circle, var(--yandex-red) 0%, transparent 70%);
    border-radius: 50%;
    opacity: 0.4;
    animation: float 30s infinite cubic-bezier(0.4, 0, 0.2, 1);
}

.particle:nth-child(odd) {
    background: radial-gradient(circle, var(--yandex-yellow) 0%, transparent 70%);
}

.particle:nth-child(1) { left: 5%; top: 20%; animation-delay: 0s; animation-duration: 25s; }
.particle:nth-child(2) { left: 15%; top: 40%; animation-delay: 3s; animation-duration: 30s; }
.particle:nth-child(3) { left: 25%; top: 60%; animation-delay: 6s; animation-duration: 28s; }
.particle:nth-child(4) { left: 35%; top: 80%; animation-delay: 2s; animation-duration: 32s; }
.particle:nth-child(5) { left: 45%; top: 30%; animation-delay: 8s; animation-duration: 27s; }
.particle:nth-child(6) { left: 55%; top: 50%; animation-delay: 4s; animation-duration: 29s; }
.particle:nth-child(7) { left: 65%; top: 70%; animation-delay: 10s; animation-duration: 26s; }
.particle:nth-child(8) { left: 75%; top: 25%; animation-delay: 5s; animation-duration: 31s; }
.particle:nth-child(9) { left: 85%; top: 45%; animation-delay: 7s; animation-duration: 28s; }
.particle:nth-child(10) { left: 95%; top: 65%; animation-delay: 9s; animation-duration: 30s; }
.particle:nth-child(11) { left: 10%; top: 85%; animation-delay: 11s; animation-duration: 27s; }
.particle:nth-child(12) { left: 90%; top: 15%; animation-delay: 1s; animation-duration: 33s; }

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.3; }
    25% { transform: translate(20px, -30px) scale(1.2); opacity: 0.6; }
    50% { transform: translate(-15px, -60px) scale(0.8); opacity: 0.4; }
    75% { transform: translate(25px, -90px) scale(1.1); opacity: 0.5; }
}

/* Sidebar - Липкий сайдбар справа */
.sidebar {
    position: fixed;
    top: 100px;
    right: 40px;
    width: 280px;
    z-index: 999;
    display: flex;
    flex-direction: column;
    gap: 25px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

.sidebar::-webkit-scrollbar {
    width: 4px;
}

.sidebar::-webkit-scrollbar-track {
    background: transparent;
}

.sidebar::-webkit-scrollbar-thumb {
    background: var(--yandex-red);
    border-radius: 4px;
}

.sidebar-download {
    background: linear-gradient(135deg, var(--yandex-red) 0%, var(--yandex-dark-red) 100%);
    padding: 30px;
    border-radius: 24px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(252, 63, 29, 0.3);
    color: white;
    position: relative;
    overflow: hidden;
}

.sidebar-download::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

.sidebar-download > * {
    position: relative;
    z-index: 1;
}

.sidebar-download-icon {
    font-size: 48px;
    margin-bottom: 15px;
    animation: bounce 2s infinite;
}

.sidebar-download h3 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 8px;
    color: white;
}

.sidebar-download p {
    font-size: 14px;
    margin-bottom: 20px;
    opacity: 0.9;
}

.sidebar-btn {
    display: block;
    width: 100%;
    padding: 14px 20px;
    background: white;
    color: var(--yandex-red);
    border-radius: 12px;
    text-decoration: none;
    font-weight: 700;
    font-size: 15px;
    transition: all 0.3s;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.sidebar-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

.sidebar-nav {
    background: white;
    border-radius: 24px;
    padding: 25px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.sidebar-nav-title {
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--dark);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    margin-bottom: 5px;
    border-radius: 12px;
    text-decoration: none;
    color: var(--dark);
    font-weight: 600;
    font-size: 15px;
    transition: all 0.3s;
    position: relative;
}

.sidebar-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 100%;
    background: var(--yandex-red);
    border-radius: 0 4px 4px 0;
    transform: scaleY(0);
    transition: transform 0.3s;
}

.sidebar-link:hover::before,
.sidebar-link.active::before {
    transform: scaleY(1);
}

.sidebar-link:hover {
    background: linear-gradient(90deg, rgba(252, 63, 29, 0.1) 0%, transparent 100%);
    color: var(--yandex-red);
    transform: translateX(5px);
}

.sidebar-link.active {
    background: linear-gradient(90deg, rgba(252, 63, 29, 0.15) 0%, transparent 100%);
    color: var(--yandex-red);
}

.sidebar-icon {
    font-size: 20px;
    flex-shrink: 0;
}

@media (max-width: 1400px) {
    .sidebar {
        display: none;
    }
}

/* Top Navigation */
.top-bar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 9999;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.top-bar.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.08);
}

.top-bar-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 40px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 26px;
    font-weight: 900;
    color: var(--dark);
    text-decoration: none;
}

.brand-logo svg {
    width: 48px;
    height: 48px;
    filter: drop-shadow(0 2px 8px rgba(252, 63, 29, 0.3));
}

.brand-name {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-name span {
    font-size: 12px;
    font-weight: 500;
    color: var(--gray);
    letter-spacing: 0.5px;
}

.nav-links {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-links a {
    color: var(--dark);
    text-decoration: none;
    font-weight: 600;
    font-size: 15px;
    position: relative;
    transition: all 0.3s;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--yandex-red);
    transition: all 0.3s;
    transform: translateX(-50%);
    border-radius: 2px;
}

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 32px;
    cursor: pointer;
    color: var(--dark);
}

/* Hero Header */
header {
    padding: 180px 0 120px;
    background: linear-gradient(160deg, #FFFFFF 0%, #FFF5F5 50%, #FFFFFF 100%);
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, rgba(252, 63, 29, 0.08) 0%, transparent 70%);
    border-radius: 50%;
}

header::after {
    content: '';
    position: absolute;
    bottom: -50%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255, 219, 77, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.header-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.version-tag {
    display: inline-block;
    background: linear-gradient(135deg, var(--yandex-red) 0%, var(--yandex-dark-red) 100%);
    color: white;
    padding: 10px 24px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    margin-bottom: 30px;
    box-shadow: 0 4px 20px rgba(252, 63, 29, 0.3);
}

h1 {
    font-size: 72px;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 25px;
    background: linear-gradient(135deg, var(--dark) 0%, var(--yandex-red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

h1 span {
    display: block;
    font-size: 32px;
    font-weight: 600;
    background: linear-gradient(135deg, var(--gray) 0%, var(--yandex-red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-top: 15px;
}

.header-text p {
    font-size: 20px;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 40px;
    max-width: 600px;
}

.header-buttons {
    display: flex;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 20px 40px;
    border-radius: 16px;
    text-decoration: none;
    font-weight: 700;
    font-size: 17px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--yandex-red) 0%, var(--yandex-dark-red) 100%);
    color: white;
    box-shadow: 0 10px 30px rgba(252, 63, 29, 0.4);
}

.btn-primary:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(252, 63, 29, 0.5);
}

.btn-secondary {
    background: white;
    color: var(--yandex-red);
    border: 3px solid var(--yandex-red);
}

.btn-secondary:hover {
    background: var(--yandex-red);
    color: white;
    transform: translateY(-4px);
}

.trust-badges {
    display: flex;
    gap: 35px;
    flex-wrap: wrap;
}

.trust-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    color: var(--dark);
    font-weight: 600;
}

.trust-badge svg {
    width: 24px;
    height: 24px;
    fill: var(--yandex-red);
}

/* Browser Mockup - Крутой 3D эффект */
.browser-mockup {
    background: white;
    border-radius: 20px;
    box-shadow: 
        0 50px 100px rgba(0, 0, 0, 0.15),
        0 0 0 1px rgba(0, 0, 0, 0.05);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg) rotateX(2deg);
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.browser-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.02);
    box-shadow: 0 60px 120px rgba(252, 63, 29, 0.2);
}

.browser-chrome {
    background: linear-gradient(180deg, #F5F5F5 0%, #EBEBEB 100%);
    padding: 20px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.browser-dots {
    display: flex;
    gap: 8px;
    margin-bottom: 15px;
}

.browser-dots span {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.browser-dots span:nth-child(1) { background: linear-gradient(135deg, #FF605C 0%, #FF3B30 100%); }
.browser-dots span:nth-child(2) { background: linear-gradient(135deg, #FFBD44 0%, #FFA500 100%); }
.browser-dots span:nth-child(3) { background: linear-gradient(135deg, #00CA4E 0%, #34C759 100%); }

.browser-addressbar {
    background: white;
    padding: 14px 20px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    gap: 12px;
    color: var(--gray);
    font-size: 15px;
}

.browser-addressbar svg {
    width: 20px;
    height: 20px;
    fill: var(--yandex-red);
}

.browser-content {
    min-height: 400px;
    background: linear-gradient(135deg, #FAFAFA 0%, #F0F0F0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
}

.feature-showcase {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
}

.showcase-item {
    background: white;
    padding: 20px 30px;
    border-radius: 14px;
    font-size: 17px;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
    transform: translateX(0);
    transition: all 0.3s;
}

.showcase-item:hover {
    transform: translateX(10px);
    box-shadow: 0 6px 25px rgba(252, 63, 29, 0.15);
}

.showcase-item:nth-child(1) { animation: slideInRight 0.6s ease 0.2s both; }
.showcase-item:nth-child(2) { animation: slideInRight 0.6s ease 0.4s both; }
.showcase-item:nth-child(3) { animation: slideInRight 0.6s ease 0.6s both; }

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Stats Bar - Минималистичный */
.stats-bar {
    background: var(--dark);
    padding: 50px 0;
    position: relative;
    overflow: hidden;
}

.stats-bar::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: linear-gradient(90deg, transparent 0%, rgba(252, 63, 29, 0.1) 50%, transparent 100%);
    animation: shimmer 8s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 40px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.stat-item {
    padding: 20px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-item:last-child {
    border-right: none;
}

.stat-item strong {
    display: block;
    font-size: 48px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--yandex-red) 0%, var(--yandex-yellow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 10px;
    line-height: 1;
}

.stat-item span {
    font-size: 14px;
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Download Section - Крутой градиент */
.download-section {
    padding: 100px 0;
    background: linear-gradient(180deg, #FFFFFF 0%, #F8F8F8 100%);
}

.download-box {
    text-align: center;
    max-width: 1000px;
    margin: 0 auto;
    background: white;
    padding: 60px;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.download-box::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(252, 63, 29, 0.03) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.download-box > * {
    position: relative;
    z-index: 1;
}

.download-box h2 {
    font-size: 48px;
    font-weight: 900;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--dark) 0%, var(--yandex-red) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.download-box p {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 40px;
}

.download-counter {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--light-gray);
    padding: 15px 30px;
    border-radius: 50px;
    margin-bottom: 40px;
    font-weight: 600;
}

.download-counter svg {
    width: 24px;
    height: 24px;
    fill: var(--yandex-red);
}

.download-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.download-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    padding: 22px 45px;
    border-radius: 16px;
    text-decoration: none;
    font-weight: 700;
    font-size: 17px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.download-btn:hover::before {
    width: 400px;
    height: 400px;
}

.download-btn.primary {
    background: linear-gradient(135deg, var(--yandex-red) 0%, var(--yandex-dark-red) 100%);
    color: white;
    box-shadow: 0 10px 35px rgba(252, 63, 29, 0.4);
}

.download-btn.primary:hover {
    transform: translateY(-5px) scale(1.03);
    box-shadow: 0 15px 45px rgba(252, 63, 29, 0.5);
}

.download-btn.secondary {
    background: white;
    color: var(--dark);
    border: 3px solid var(--light-gray);
}

.download-btn.secondary:hover {
    border-color: var(--yandex-red);
    color: var(--yandex-red);
    transform: translateY(-5px);
}

.file-specs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 25px;
}

.file-specs > div {
    background: var(--light-gray);
    padding: 20px;
    border-radius: 12px;
    text-align: left;
}

.file-specs strong {
    display: block;
    font-size: 11px;
    color: var(--gray);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.file-specs span {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
}

/* Section Header - Новый стиль */
section {
    padding: 100px 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
    position: relative;
}

.section-header h2 {
    font-size: 56px;
    font-weight: 900;
    margin-bottom: 20px;
    color: var(--dark);
}

.section-header h2 span {
    background: linear-gradient(135deg, var(--yandex-red) 0%, var(--yandex-yellow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 20px;
    color: var(--gray);
    max-width: 700px;
    margin: 0 auto;
}

/* Compatibility Notice */
.compatibility-notice {
    padding: 80px 0;
    background: var(--light-gray);
}

.compat-box {
    display: flex;
    align-items: center;
    gap: 40px;
    background: white;
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border-left: 6px solid var(--yandex-red);
}

.compat-icon {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--yandex-red) 0%, var(--yandex-dark-red) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(252, 63, 29, 0.3);
}

.compat-icon svg {
    width: 40px;
    height: 40px;
    fill: white;
}

.compat-content h3 {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 12px;
}

.compat-content p {
    font-size: 17px;
    color: var(--gray);
    line-height: 1.8;
}

/* Intro Box */
.intro-box {
    max-width: 1100px;
    margin: 0 auto;
    background: white;
    padding: 50px;
    border-radius: 24px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.08);
    line-height: 1.9;
}

.intro-box p {
    font-size: 18px;
    color: var(--dark);
    margin-bottom: 25px;
}

.intro-box strong {
    color: var(--yandex-red);
    font-weight: 700;
}

/* Features Grid - Карточки с градиентами */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 35px;
}

.feature-card {
    background: white;
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--yandex-red) 0%, var(--yandex-yellow) 100%);
    transform: scaleX(0);
    transition: transform 0.4s;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 60px rgba(252, 63, 29, 0.15);
}

.feature-icon {
    font-size: 56px;
    margin-bottom: 25px;
    display: block;
}

.feature-card h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 15px;
    color: var(--dark);
}

.feature-card p {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.7;
}

/* Alice Section - Крутой градиент и анимация */
.alice-section {
    background: linear-gradient(135deg, #9B4DFF 0%, #6B21E8 100%);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
}

.alice-section::before,
.alice-section::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
}

.alice-section::before {
    width: 800px;
    height: 800px;
    top: -400px;
    right: -200px;
}

.alice-section::after {
    width: 600px;
    height: 600px;
    bottom: -300px;
    left: -150px;
}

.alice-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.alice-circle {
    width: 350px;
    height: 350px;
    margin: 0 auto;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.2) 0%, transparent 70%);
    border-radius: 50%;
}

.alice-circle::before {
    content: '🎤';
    font-size: 120px;
    position: absolute;
    z-index: 2;
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.alice-wave {
    position: absolute;
    width: 100%;
    height: 100%;
    border: 4px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    animation: pulse 3s infinite ease-out;
}

.alice-wave:nth-child(2) { animation-delay: 1s; }
.alice-wave:nth-child(3) { animation-delay: 2s; }

@keyframes pulse {
    0% { transform: scale(0.8); opacity: 1; }
    100% { transform: scale(1.6); opacity: 0; }
}

.alice-section .section-header h2,
.alice-section .section-header p {
    color: white;
}

.alice-features {
    display: grid;
    gap: 25px;
}

.alice-feature {
    display: flex;
    gap: 25px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 30px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s;
}

.alice-feature:hover {
    background: rgba(255, 255, 255, 0.25);
    transform: translateX(10px);
}

.alice-feat-icon {
    font-size: 48px;
    flex-shrink: 0;
}

.alice-feature h4 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 10px;
    color: white;
}

.alice-feature p {
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.7;
    font-size: 16px;
}

/* Security Section - Тёмная тема */
.security-section {
    background: var(--dark);
    padding: 120px 0;
    position: relative;
}

.security-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><circle cx="2" cy="2" r="1" fill="rgba(252,63,29,0.1)"/></svg>');
    opacity: 0.3;
}

.security-section .section-header h2,
.security-section .section-header p {
    color: white;
}

.security-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 35px;
    position: relative;
    z-index: 1;
}

.security-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    padding: 40px;
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.4s;
}

.security-card:hover {
    background: rgba(252, 63, 29, 0.15);
    border-color: var(--yandex-red);
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(252, 63, 29, 0.2);
}

.security-icon {
    font-size: 56px;
    margin-bottom: 25px;
    display: block;
}

.security-card h3 {
    font-size: 24px;
    font-weight: 800;
    margin-bottom: 15px;
    color: white;
}

.security-card p {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.7;
}

/* Compact Cards - Requirements & Changelog */
.compact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(480px, 1fr));
    gap: 40px;
}

.compact-card {
    background: white;
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.compact-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.compact-icon {
    font-size: 48px;
}

.compact-card h3 {
    font-size: 28px;
    font-weight: 800;
    color: var(--dark);
}

.req-list {
    list-style: none;
}

.req-list li {
    padding: 15px 0;
    border-bottom: 1px solid var(--light-gray);
    font-size: 16px;
    color: var(--dark);
    display: flex;
    justify-content: space-between;
}

.req-list li:last-child {
    border-bottom: none;
}

.req-list strong {
    font-weight: 700;
}

.changelog-list {
    list-style: none;
}

.changelog-list li {
    padding: 15px 0;
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 15px;
    color: var(--dark);
}

.badge-new, .badge-update, .badge-fix {
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 11px;
    font-weight: 700;
    color: white;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.badge-new { background: linear-gradient(135deg, #34C759 0%, #30D158 100%); }
.badge-update { background: linear-gradient(135deg, #007AFF 0%, #0A84FF 100%); }
.badge-fix { background: linear-gradient(135deg, #FF9500 0%, #FF9F0A 100%); }

/* Speed Test - Крутая визуализация */
.speedtest-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #F8F8F8 0%, #FFFFFF 100%);
}

.speedtest-box {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: center;
}

.speedometer {
    width: 350px;
    margin: 0 auto;
    position: relative;
}

.speedometer-svg {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 10px 30px rgba(0, 0, 0, 0.15));
}

.speedometer-value {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    text-align: center;
}

.speedometer-value span {
    display: block;
    font-size: 64px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--yandex-red) 0%, var(--yandex-yellow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.speedometer-value small {
    font-size: 16px;
    color: var(--gray);
    font-weight: 600;
    margin-top: 5px;
    display: block;
}

.speedtest-results h3 {
    font-size: 32px;
    font-weight: 800;
    margin-bottom: 35px;
    color: var(--dark);
}

.benchmark-item {
    margin-bottom: 30px;
}

.benchmark-name {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
    font-weight: 700;
    font-size: 17px;
}

.badge-winner {
    background: linear-gradient(135deg, var(--yandex-red) 0%, var(--yandex-dark-red) 100%);
    color: white;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.benchmark-bar {
    height: 50px;
    background: var(--light-gray);
    border-radius: 12px;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
    padding: 0 20px;
    justify-content: flex-end;
}

.benchmark-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    border-radius: 12px;
    transition: width 1.5s cubic-bezier(0.4, 0, 0.2, 1);
    background: linear-gradient(90deg, var(--yandex-red) 0%, var(--yandex-dark-red) 100%);
}

.benchmark-fill.yandex { 
    background: linear-gradient(90deg, var(--yandex-red) 0%, var(--yandex-yellow) 50%, var(--yandex-red) 100%);
    box-shadow: 0 0 20px rgba(252, 63, 29, 0.5);
}
.benchmark-fill.chrome { background: linear-gradient(90deg, #4285F4 0%, #34A853 100%); }
.benchmark-fill.edge { background: linear-gradient(90deg, #0078D7 0%, #00BCF2 100%); }
.benchmark-fill.firefox { background: linear-gradient(90deg, #FF7139 0%, #FF4F00 100%); }
.benchmark-fill.opera { background: linear-gradient(90deg, #FF1B2D 0%, #A6000A 100%); }

.benchmark-bar span {
    position: relative;
    z-index: 2;
    font-weight: 800;
    font-size: 18px;
    color: var(--dark);
    text-shadow: 0 1px 2px rgba(255, 255, 255, 0.5);
}

.benchmark-note {
    margin-top: 30px;
    font-size: 14px;
    color: var(--gray);
    font-style: italic;
}

/* Showcase - Key Features */
#showcase {
    padding: 80px 0;
}

.showcase-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    align-items: stretch;
}

.showcase-card {
    display: flex;
    flex-direction: column;
    background: white;
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s;
    border: 1px solid rgba(0, 0, 0, 0.05);
    min-height: 0;
    overflow: hidden;
}

.showcase-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 25px 60px rgba(252, 63, 29, 0.15);
}

.showcase-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
}

.showcase-icon {
    font-size: 48px;
}

.showcase-card h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
}

.showcase-card p {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 20px;
    flex: 1 1 auto;
    min-height: 0;
}

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

.stat strong {
    display: block;
    font-size: 40px;
    font-weight: 900;
    background: linear-gradient(135deg, var(--yandex-red) 0%, var(--yandex-yellow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.stat span {
    font-size: 14px;
    color: var(--gray);
    margin-top: 5px;
    display: block;
}

/* Showcase card variants */
.showcase-example,
.showcase-tags,
.showcase-devices {
    margin-top: 0;
    flex-shrink: 0;
}

.showcase-example {
    margin-top: 10px;
}

.showcase-tags {
    margin-top: 10px;
}

.showcase-devices {
    margin-top: 10px;
}

.search-demo {
    border: 2px solid var(--light-gray);
    border-radius: 12px;
    overflow: hidden;
    background: var(--light-gray);
}

.search-demo input {
    width: 100%;
    padding: 12px 16px;
    border: none;
    background: white;
    font-size: 16px;
    font-family: inherit;
}

.search-demo input:focus {
    outline: none;
}

.suggestions {
    padding: 8px 0;
    border-top: 1px solid rgba(0,0,0,0.06);
}

.suggestions div {
    padding: 10px 16px;
    font-size: 14px;
    color: var(--gray);
    cursor: default;
}

.suggestions div:hover {
    background: rgba(252, 63, 29, 0.06);
    color: var(--dark);
}

.showcase-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    align-items: center;
}

.showcase-tags .tag {
    padding: 8px 16px;
    background: linear-gradient(135deg, rgba(252, 63, 29, 0.1) 0%, rgba(255, 219, 77, 0.15) 100%);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--yandex-dark-red);
}

.showcase-devices {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 28px;
    flex-wrap: nowrap;
    line-height: 1;
}

/* Steps Section - Tabs */
.steps-section {
    background: var(--light-gray);
}

.tabs-nav {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-bottom: 50px;
    flex-wrap: wrap;
}

.tab-btn {
    padding: 16px 35px;
    background: white;
    border: 2px solid transparent;
    border-radius: 16px;
    font-weight: 700;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s;
    color: var(--dark);
}

.tab-btn:hover {
    background: var(--yandex-red);
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(252, 63, 29, 0.3);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--yandex-red) 0%, var(--yandex-dark-red) 100%);
    color: white;
    border-color: var(--yandex-red);
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

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

.steps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 35px;
}

.step-card {
    background: white;
    padding: 35px;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.4s;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.step-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(252, 63, 29, 0.15);
}

.step-icon {
    font-size: 56px;
    margin-bottom: 25px;
    display: block;
}

.step-card h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 15px;
    color: var(--dark);
}

.step-card p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.7;
}

/* Tips Section */
.tips-section {
    background: white;
    padding: 80px 0;
}

.tips-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.tip-card {
    background: var(--light-gray);
    border-radius: 20px;
    padding: 30px;
    display: flex;
    gap: 25px;
    transition: all 0.3s;
    border: 2px solid transparent;
}

.tip-card:hover {
    background: white;
    border-color: var(--yandex-red);
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(252, 63, 29, 0.15);
}

.tip-icon {
    font-size: 44px;
    flex-shrink: 0;
}

.tip-content h4 {
    font-size: 19px;
    font-weight: 800;
    margin-bottom: 10px;
    color: var(--dark);
}

.tip-content p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.6;
}

/* Guides Section - Аккордеон стиль */
.guides-section {
    background: var(--light-gray);
    padding: 80px 0;
}

.guides-grid {
    display: grid;
    gap: 40px;
}

.guide-card {
    background: white;
    padding: 50px;
    border-radius: 30px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.guide-icon {
    font-size: 64px;
    margin-bottom: 20px;
    display: block;
}

.guide-card h3 {
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 15px;
    color: var(--dark);
}

.guide-card > p {
    font-size: 18px;
    color: var(--gray);
    margin-bottom: 40px;
}

.guide-content {
    display: grid;
    gap: 30px;
}

.guide-step {
    background: var(--light-gray);
    padding: 30px;
    border-radius: 16px;
    border-left: 4px solid var(--yandex-red);
}

.guide-step strong {
    display: block;
    font-size: 20px;
    color: var(--yandex-red);
    margin-bottom: 20px;
    font-weight: 800;
}

.guide-step p {
    margin-bottom: 15px;
    color: var(--dark);
    font-size: 16px;
}

.guide-step ul, .guide-step ol {
    margin-left: 25px;
    color: var(--dark);
}

.guide-step li {
    margin-bottom: 12px;
    line-height: 1.7;
    font-size: 15px;
}

.guide-note {
    background: linear-gradient(135deg, #FFF3CD 0%, #FFE69C 100%);
    border-left: 5px solid #FFC107;
    padding: 25px;
    border-radius: 12px;
}

.guide-note strong {
    color: #856404;
    font-size: 18px;
}

kbd {
    background: var(--dark);
    color: white;
    padding: 4px 10px;
    border-radius: 6px;
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 13px;
    border: 1px solid #555;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

code {
    background: var(--light-gray);
    padding: 3px 8px;
    border-radius: 6px;
    font-family: 'SF Mono', 'Consolas', monospace;
    font-size: 14px;
    color: var(--yandex-red);
    font-weight: 600;
}

/* Comparison Table - Премиум стиль */
.comparison-section {
    background: white;
}

.comparison-table-wrapper {
    overflow-x: auto;
    border-radius: 24px;
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
}

.comparison-table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    background: white;
}

.comparison-table th {
    background: var(--dark);
    color: white;
    padding: 30px 25px;
    text-align: center;
    font-weight: 800;
    font-size: 17px;
}

.comparison-table th:first-child {
    border-radius: 24px 0 0 0;
}

.comparison-table th:last-child {
    border-radius: 0 24px 0 0;
}

.comparison-table th.highlight-col {
    background: linear-gradient(135deg, var(--yandex-red) 0%, var(--yandex-dark-red) 100%);
}

.product-header {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.product-header span:first-child {
    font-size: 20px;
}

.comparison-table td {
    padding: 25px;
    text-align: center;
    border-bottom: 1px solid var(--light-gray);
    font-size: 16px;
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 700;
    color: var(--dark);
}

.comparison-table td.highlight-col {
    background: linear-gradient(180deg, rgba(252, 63, 29, 0.05) 0%, rgba(252, 63, 29, 0.02) 100%);
    font-weight: 800;
    color: var(--yandex-red);
    font-size: 17px;
}

.comparison-table tbody tr:hover {
    background: var(--light-gray);
}

.rating-row {
    background: var(--light-gray);
    font-weight: 700;
}

.rating-row td {
    padding: 30px 25px;
}

.stars {
    font-size: 22px;
    color: var(--yandex-yellow);
    margin-bottom: 8px;
    letter-spacing: 2px;
}

.rating-num {
    font-size: 15px;
    color: var(--gray);
    font-weight: 700;
}

/* Alternatives Grid */
.alternatives-section {
    background: var(--light-gray);
}

.alternatives-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 35px;
}

.alt-card {
    background: white;
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.alt-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.alt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.alt-header h4 {
    font-size: 24px;
    font-weight: 800;
    color: var(--dark);
}

.alt-rating {
    color: var(--yandex-yellow);
    font-size: 16px;
    font-weight: 700;
}

.alt-card p {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 25px;
}

.alt-tags {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

.tag {
    background: linear-gradient(135deg, var(--yandex-red) 0%, var(--yandex-dark-red) 100%);
    color: white;
    padding: 8px 18px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 700;
}

/* Pros and Cons - Контрастные карточки */
.pros-cons-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.pros-card {
    background: linear-gradient(135deg, #D4EDDA 0%, #C3E6CB 100%);
    padding: 50px;
    border-radius: 30px;
    box-shadow: 0 15px 50px rgba(76, 175, 80, 0.2);
    border: 2px solid #34C759;
}

.cons-card {
    background: linear-gradient(135deg, #F8D7DA 0%, #F5C6CB 100%);
    padding: 50px;
    border-radius: 30px;
    box-shadow: 0 15px 50px rgba(244, 67, 54, 0.2);
    border: 2px solid #FF3B30;
}

.pros-card h3 {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 30px;
    color: #155724;
}

.cons-card h3 {
    font-size: 32px;
    font-weight: 900;
    margin-bottom: 30px;
    color: #721C24;
}

.pros-card ul, .cons-card ul {
    list-style: none;
}

.pros-card li {
    padding: 15px 0 15px 40px;
    position: relative;
    line-height: 1.7;
    font-size: 16px;
    color: #155724;
    font-weight: 500;
}

.cons-card li {
    padding: 15px 0 15px 40px;
    position: relative;
    line-height: 1.7;
    font-size: 16px;
    color: #721C24;
    font-weight: 500;
}

.pros-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #34C759;
    font-weight: 900;
    font-size: 24px;
}

.cons-card li::before {
    content: '✗';
    position: absolute;
    left: 0;
    color: #FF3B30;
    font-weight: 900;
    font-size: 24px;
}

/* Reviews - Карточки с тенью */
.reviews-section {
    background: var(--light-gray);
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 35px;
}

.review-card {
    background: white;
    padding: 40px;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
    transition: all 0.4s;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.review-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 60px rgba(252, 63, 29, 0.15);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.reviewer-avatar {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--yandex-red) 0%, var(--yandex-yellow) 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 20px;
    box-shadow: 0 5px 15px rgba(252, 63, 29, 0.3);
}

.reviewer-info h4 {
    font-size: 19px;
    font-weight: 800;
    margin-bottom: 5px;
    color: var(--dark);
}

.reviewer-info span {
    font-size: 14px;
    color: var(--gray);
    font-weight: 500;
}

.rating {
    margin-bottom: 20px;
}

.star {
    color: var(--yandex-yellow);
    font-size: 20px;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.review-text {
    font-size: 16px;
    color: var(--dark);
    line-height: 1.8;
}

/* FAQ - Современный аккордеон */
.faq-grid {
    display: grid;
    gap: 25px;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.faq-item:hover {
    box-shadow: 0 15px 45px rgba(252, 63, 29, 0.15);
    transform: translateY(-3px);
}

.faq-question {
    padding: 30px 35px;
    font-size: 20px;
    font-weight: 800;
    color: var(--dark);
    cursor: pointer;
    position: relative;
    background: linear-gradient(90deg, var(--light-gray) 0%, white 100%);
    transition: all 0.3s;
}

.faq-question:hover {
    background: linear-gradient(90deg, rgba(252, 63, 29, 0.05) 0%, white 100%);
}

.faq-question::after {
    content: '+';
    position: absolute;
    right: 35px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 32px;
    color: var(--yandex-red);
    font-weight: 700;
}

.faq-answer {
    padding: 0 35px 30px;
    font-size: 16px;
    color: var(--gray);
    line-height: 1.9;
}

/* Feedback Form - Минималистичная форма */
.feedback-section {
    background: white;
}

.feedback-container {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: 50px;
    border-radius: 30px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.1);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 25px;
}

.form-group {
    margin-bottom: 25px;
}

.form-group label {
    display: block;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--dark);
    font-size: 15px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 16px 20px;
    border: 2px solid var(--light-gray);
    border-radius: 12px;
    font-size: 16px;
    font-family: 'Golos Text', sans-serif;
    transition: all 0.3s;
    background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--yandex-red);
    box-shadow: 0 0 0 4px rgba(252, 63, 29, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 180px;
}

/* Footer - Премиум */
footer {
    background: var(--dark);
    color: white;
    padding: 80px 0 40px;
    position: relative;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent 0%, var(--yandex-red) 50%, transparent 100%);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 28px;
    font-weight: 900;
    margin-bottom: 25px;
}

.footer-brand-icon svg {
    width: 48px;
    height: 48px;
}

.footer-text {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.9;
    margin-bottom: 30px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-links a {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s;
}

.social-links a:hover {
    background: var(--yandex-red);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 30px rgba(252, 63, 29, 0.4);
}

.social-links svg {
    width: 24px;
    height: 24px;
    fill: white;
}

.footer-links-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.footer-section h4 {
    font-size: 18px;
    font-weight: 800;
    margin-bottom: 20px;
    color: white;
}

.footer-section ul {
    list-style: none;
}

.footer-section li {
    margin-bottom: 12px;
}

.footer-section a {
    color: var(--gray);
    text-decoration: none;
    font-size: 15px;
    transition: all 0.3s;
    display: inline-block;
}

.footer-section a:hover {
    color: var(--yandex-red);
    transform: translateX(5px);
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    margin: 8px 0;
    font-size: 14px;
    color: var(--gray);
}

/* Sticky Download Bar - другой дизайн: светлая панель */
.sticky-download-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 9997;
    background: rgba(255, 255, 255, 0.98);
    padding: 14px 0;
    box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.08);
    border-top: 1px solid rgba(0, 0, 0, 0.06);
    backdrop-filter: blur(12px);
}

.sticky-download-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    flex-wrap: wrap;
}

.sticky-features {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    flex: 1;
    min-width: 0;
}

.sticky-feature {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--light-gray);
    color: var(--dark);
    font-size: 13px;
    font-weight: 600;
    border-radius: 10px;
    border: 1px solid rgba(0, 0, 0, 0.06);
    white-space: nowrap;
    transition: all 0.25s;
}

.sticky-feature:hover {
    background: var(--yandex-red);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(252, 63, 29, 0.3);
}

.sticky-feature-icon {
    font-size: 16px;
    line-height: 1;
}

.sticky-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 32px;
    background: linear-gradient(135deg, var(--yandex-red) 0%, var(--yandex-dark-red) 100%);
    color: white;
    font-weight: 800;
    font-size: 16px;
    border-radius: 12px;
    text-decoration: none;
    transition: all 0.3s;
    box-shadow: 0 4px 20px rgba(252, 63, 29, 0.4);
    flex-shrink: 0;
}

.sticky-download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(252, 63, 29, 0.5);
    color: white;
}

.sticky-download-icon {
    font-size: 20px;
}

/* Back to Top - другой цвет (тёмный) */
.back-to-top {
    position: fixed;
    bottom: 88px;
    right: 40px;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--dark-2) 0%, var(--dark-3) 100%);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 28px rgba(0, 0, 0, 0.25);
    transition: all 0.4s;
    z-index: 9998;
}

@media (min-width: 1401px) {
    .back-to-top {
        right: 340px;
        bottom: 88px;
    }
}

.back-to-top:hover {
    transform: translateY(-8px) scale(1.08);
    box-shadow: 0 12px 36px rgba(0, 0, 0, 0.35);
    background: linear-gradient(135deg, var(--dark-3) 0%, var(--dark-2) 100%);
}

.back-to-top svg {
    width: 28px;
    height: 28px;
    fill: white;
}

/* Toast Notification */
.toast {
    position: fixed;
    bottom: -100px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--dark);
    color: white;
    padding: 20px 40px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 15px;
    z-index: 10001;
    transition: bottom 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
    font-weight: 600;
}

.toast.show {
    bottom: 40px;
}

.toast-icon {
    font-size: 24px;
    color: #34C759;
}

/* Lightbox - Полноэкранная галерея */
.lightbox {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.97);
    backdrop-filter: blur(10px);
    align-items: center;
    justify-content: center;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 16px;
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.5);
}

.lightbox-close {
    position: absolute;
    top: 40px;
    right: 60px;
    font-size: 60px;
    color: white;
    cursor: pointer;
    font-weight: 300;
    transition: all 0.3s;
    line-height: 1;
}

.lightbox-close:hover {
    color: var(--yandex-red);
    transform: rotate(90deg);
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(252, 63, 29, 0.9);
    color: white;
    border: none;
    padding: 25px 30px;
    font-size: 36px;
    cursor: pointer;
    border-radius: 16px;
    transition: all 0.3s;
    font-weight: 700;
}

.lightbox-nav:hover {
    background: var(--yandex-red);
    transform: translateY(-50%) scale(1.1);
}

.lightbox-prev { left: 40px; }
.lightbox-next { right: 40px; }

/* Utility Classes */
.text-gradient {
    background: linear-gradient(135deg, var(--yandex-red) 0%, var(--yandex-yellow) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        padding: 0 30px;
    }
    
    h1 {
        font-size: 56px;
    }
    
    .header-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
}

@media (max-width: 992px) {
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
    
    .speedtest-box {
        grid-template-columns: 1fr;
    }
    
    .alice-content {
        grid-template-columns: 1fr;
    }
    
    .pros-cons-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .comparison-table {
        font-size: 14px;
    }
    
    .comparison-table th,
    .comparison-table td {
        padding: 15px 12px;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 30px;
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
        gap: 20px;
    }
    
    .nav-links.active {
        display: flex;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    header {
        padding: 140px 0 80px;
    }
    
    h1 {
        font-size: 42px;
    }
    
    h1 span {
        font-size: 24px;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .file-specs {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .download-buttons {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-links-grid {
        grid-template-columns: 1fr;
    }
    
    .compact-grid {
        grid-template-columns: 1fr;
    }
    
    .lightbox-close {
        top: 20px;
        right: 25px;
        font-size: 45px;
    }
    
    .lightbox-nav {
        padding: 18px 22px;
        font-size: 28px;
    }
    
    .lightbox-prev { left: 20px; }
    .lightbox-next { right: 20px; }
    
    .section-header h2 {
        font-size: 40px;
    }
    
    .download-box {
        padding: 40px 30px;
    }
}

@media (max-width: 576px) {
    .container {
        padding: 0 20px;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .file-specs {
        grid-template-columns: 1fr;
    }
    
    h1 {
        font-size: 36px;
    }
    
    .section-header h2 {
        font-size: 32px;
    }
    
    .download-box h2 {
        font-size: 36px;
    }
    
    .feature-card,
    .step-card,
    .tip-card,
    .review-card {
        padding: 25px;
    }
    
    .guide-card {
        padding: 30px 25px;
    }
    
    .feedback-container {
        padding: 35px 25px;
    }
    
    .back-to-top {
        width: 50px;
        height: 50px;
        bottom: 70px;
        right: 25px;
    }
    
    .sticky-download-bar {
        padding: 12px 16px;
    }
    
    .sticky-download-btn {
        padding: 12px 28px;
        font-size: 15px;
    }
}