/* ===== CSS Variables ===== */
:root {
    /* Colors */
    --color-bg: #0a0a0f;
    --color-bg-secondary: #12121a;
    --color-bg-card: #1a1a24;
    --color-bg-card-hover: #222230;
    --color-text: #ffffff;
    --color-text-secondary: #a0a0b0;
    --color-text-muted: #6b6b7b;
    --color-primary: #6D5BBA;
    --color-primary-light: #8B7BD6;
    --color-secondary: #8EC5FC;
    --color-accent: #E0C3FC;
    --color-success: #4ade80;
    --color-border: rgba(255, 255, 255, 0.1);
    --color-border-light: rgba(255, 255, 255, 0.05);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #6D5BBA 0%, #8EC5FC 100%);
    --gradient-secondary: linear-gradient(135deg, #8EC5FC 0%, #E0C3FC 100%);
    --gradient-bg: linear-gradient(180deg, #0a0a0f 0%, #12121a 100%);
    --gradient-card: linear-gradient(135deg, rgba(109, 91, 186, 0.1) 0%, rgba(142, 197, 252, 0.1) 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

    /* Border Radius */
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.4);
    --shadow-glow: 0 0 40px rgba(109, 91, 186, 0.3);

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

ul,
ol {
    list-style: none;
}

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

button {
    background: none;
    border: none;
    cursor: pointer;
    font-family: inherit;
}

/* ===== Container ===== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xs);
    padding: 0.875rem 1.75rem;
    font-size: var(--font-size-base);
    font-weight: 600;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
    border: none;
    white-space: nowrap;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px rgba(109, 91, 186, 0.5);
}

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

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

.btn-outline {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-primary);
    background: rgba(109, 91, 186, 0.1);
}

.btn-lg {
    padding: 1rem 2rem;
    font-size: var(--font-size-lg);
}

.btn-block {
    width: 100%;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--spacing-md) 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(10, 10, 15, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--color-border-light);
    padding: var(--spacing-sm) 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo-icon {
    width: 40px;
    height: 40px;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    letter-spacing: -0.02em;
}

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

.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: width var(--transition-base);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-text);
    transition: all var(--transition-base);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: calc(80px + var(--spacing-2xl)) 0 var(--spacing-3xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(109, 91, 186, 0.3), transparent),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(142, 197, 252, 0.15), transparent);
}

.hero-particles {
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(2px 2px at 20% 30%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(2px 2px at 40% 70%, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(1px 1px at 60% 40%, rgba(255, 255, 255, 0.3), transparent),
        radial-gradient(1px 1px at 80% 80%, rgba(255, 255, 255, 0.2), transparent),
        radial-gradient(2px 2px at 10% 90%, rgba(255, 255, 255, 0.2), transparent);
    animation: particles 20s linear infinite;
}

@keyframes particles {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(109, 91, 186, 0.15);
    border: 1px solid rgba(109, 91, 186, 0.3);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: var(--spacing-lg);
}

.badge-pulse {
    width: 8px;
    height: 8px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
        transform: scale(1);
    }

    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

.hero-title {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.03em;
}

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

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-stats {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.hero-cta {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    flex-wrap: wrap;
}

.hero-note {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.shield-container {
    position: relative;
    width: 300px;
    height: 360px;
}

.shield {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    animation: shieldPulse 2s ease-in-out infinite;
}

@keyframes shieldPulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.05);
    }
}

.shield svg {
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 40px rgba(109, 91, 186, 0.4));
}

.shield-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(109, 91, 186, 0.4) 0%, transparent 70%);
    border-radius: 50%;
    animation: glow 3s ease-in-out infinite;
}

@keyframes glow {

    0%,
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0.6;
    }

    50% {
        transform: translate(-50%, -50%) scale(1.3);
        opacity: 1;
    }
}

/* Pulse rings */
.shield-container::before,
.shield-container::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    border: 2px solid rgba(109, 91, 186, 0.3);
    animation: pulseRing 3s ease-out infinite;
}

.shield-container::before {
    width: 250px;
    height: 250px;
    animation-delay: 0s;
}

.shield-container::after {
    width: 300px;
    height: 300px;
    animation-delay: 0.5s;
}

@keyframes pulseRing {
    0% {
        transform: translate(-50%, -50%) scale(0.8);
        opacity: 1;
        border-color: rgba(109, 91, 186, 0.6);
    }

    100% {
        transform: translate(-50%, -50%) scale(1.5);
        opacity: 0;
        border-color: rgba(142, 197, 252, 0);
    }
}

.orbit {
    position: absolute;
    border: 1px dashed var(--color-border);
    border-radius: 50%;
    animation: orbit 20s linear infinite;
}

.orbit-1 {
    width: 200px;
    height: 200px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.orbit-2 {
    width: 280px;
    height: 280px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-duration: 30s;
    animation-direction: reverse;
}

.orbit-3 {
    width: 360px;
    height: 360px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-duration: 40s;
}

@keyframes orbit {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }

    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* ===== Section Styles ===== */
section {
    padding: var(--spacing-3xl) 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-2xl);
}

.section-label {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: rgba(109, 91, 186, 0.15);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary-light);
    margin-bottom: var(--spacing-md);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.section-title {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
}

/* ===== Advantages Section ===== */
.advantages {
    background: var(--color-bg-secondary);
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.advantage-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.advantage-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.advantage-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.advantage-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.advantage-icon svg {
    width: 32px;
    height: 32px;
    color: var(--color-primary-light);
}

.advantage-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.advantage-text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===== Instructions Section ===== */
.instructions {
    position: relative;
    overflow: hidden;
}

.steps-container {
    position: relative;
    max-width: 600px;
    margin: 0 auto;
}

.steps-line {
    position: absolute;
    left: 30px;
    top: 40px;
    bottom: 40px;
    width: 2px;
    background: var(--gradient-primary);
    opacity: 0.3;
}

.step {
    display: flex;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
    opacity: 0;
    transform: translateX(-30px);
}

.step.animate-in {
    opacity: 1;
    transform: translateX(0);
}

.step-number {
    width: 60px;
    height: 60px;
    min-width: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: white;
    box-shadow: var(--shadow-glow);
}

.step-content {
    padding-top: var(--spacing-sm);
}

.step-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.step-text {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ===== Promo Section ===== */
.promo {
    position: relative;
    overflow: hidden;
}

.promo-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-primary);
    opacity: 0.1;
}

.promo-content {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.promo-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-sm);
    font-weight: 600;
    margin-bottom: var(--spacing-lg);
}

.promo-title {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.promo-text {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xl);
}

.promo-features {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.promo-feature {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-success);
}

/* ===== Platforms Section ===== */
.platforms {
    background: var(--color-bg-secondary);
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.platform-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.platform-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.platform-card:hover {
    background: var(--color-bg-card-hover);
    border-color: var(--color-primary);
    transform: translateY(-5px);
}

.platform-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-md);
    background: var(--gradient-card);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.platform-icon svg {
    width: 48px;
    height: 48px;
    color: var(--color-primary-light);
}

.platform-title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.platform-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.platform-features {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.platform-features li {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--color-border-light);
}

.platform-features li:last-child {
    border-bottom: none;
}

/* ===== Pricing Section ===== */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    align-items: start;
}

.pricing-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    position: relative;
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.pricing-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.pricing-card:hover {
    border-color: var(--color-primary);
}

.pricing-card-popular {
    border-color: var(--color-primary);
    background: var(--gradient-card);
    transform: scale(1.05);
}

.pricing-card-popular.animate-in {
    transform: scale(1.05);
}

.pricing-card-best {
    border-color: var(--color-secondary);
}

.popular-badge,
.best-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.best-badge {
    background: var(--gradient-secondary);
    color: var(--color-bg);
}

.pricing-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid var(--color-border);
}

.pricing-plan {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
}

.pricing-price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.price-value {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.price-currency {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-secondary);
}

.pricing-period {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.pricing-total {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-top: var(--spacing-sm);
}

.pricing-save {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    background: rgba(74, 222, 128, 0.15);
    color: var(--color-success);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    font-weight: 600;
    margin-top: var(--spacing-sm);
}

.pricing-features {
    text-align: left;
    margin-bottom: var(--spacing-lg);
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.pricing-features svg {
    color: var(--color-success);
    min-width: 20px;
}

/* ===== SEO Content Section ===== */
.seo-content {
    background: var(--color-bg-secondary);
}

.seo-single-column {
    max-width: 800px;
    margin: 0 auto;
}

.seo-article {
    padding: var(--spacing-xl) 0;
}

.seo-article-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.seo-article-icon {
    width: 56px;
    height: 56px;
    min-width: 56px;
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.seo-article-icon svg {
    width: 28px;
    height: 28px;
    color: var(--color-primary-light);
}

.seo-article-header h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.seo-article-content p {
    color: var(--color-text-secondary);
    line-height: 1.9;
    font-size: var(--font-size-base);
    margin-bottom: var(--spacing-md);
}

.seo-article-content p:last-child {
    margin-bottom: 0;
}

.seo-divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-border), var(--color-primary), var(--color-border), transparent);
    margin: var(--spacing-sm) 0;
}

/* ===== Reviews Section ===== */
.reviews-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

.review-card {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    opacity: 0;
    transform: translateY(30px);
}

.review-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.review-card:hover {
    border-color: var(--color-primary);
}

.review-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.review-avatar {
    width: 48px;
    height: 48px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: var(--font-size-sm);
}

.review-info {
    display: flex;
    flex-direction: column;
}

.review-name {
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.review-stars {
    color: #fbbf24;
    font-size: var(--font-size-sm);
}

.review-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.review-date {
    font-size: var(--font-size-xs);
    color: var(--color-text-muted);
}

/* ===== Guarantee Section ===== */
.guarantee {
    background: var(--color-bg-secondary);
}

.guarantee-content {
    display: flex;
    align-items: center;
    gap: var(--spacing-2xl);
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    background: var(--gradient-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-xl);
}

.guarantee-icon {
    min-width: 100px;
}

.guarantee-icon svg {
    width: 100px;
    height: 100px;
    color: var(--color-success);
}

.guarantee-text h2 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
}

.guarantee-text p {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.guarantee-list {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.guarantee-list li {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-success);
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.guarantee-list li::before {
    content: '✓';
    font-weight: 700;
}

/* ===== FAQ Section ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-sm);
    overflow: hidden;
    background: var(--color-bg-card);
    transition: all var(--transition-base);
}

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

.faq-item[open] {
    background: var(--color-bg-card-hover);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-lg);
    cursor: pointer;
    font-size: var(--font-size-base);
    font-weight: 600;
    list-style: none;
}

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

.faq-question svg {
    color: var(--color-text-muted);
    transition: transform var(--transition-base);
    min-width: 24px;
}

.faq-item[open] .faq-question svg {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 var(--spacing-lg) var(--spacing-lg);
}

.faq-answer p {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* ===== Final CTA ===== */
.final-cta {
    background: var(--gradient-primary);
    position: relative;
    overflow: hidden;
}

.final-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
}

.final-cta-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.final-cta h2 {
    font-size: clamp(var(--font-size-2xl), 4vw, var(--font-size-4xl));
    font-weight: 800;
    margin-bottom: var(--spacing-md);
}

.final-cta p {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

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

.final-cta .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

/* ===== Footer ===== */
.footer {
    background: var(--color-bg);
    padding: var(--spacing-2xl) 0;
    border-top: 1px solid var(--color-border-light);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    text-align: center;
}

.footer-nav {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.footer-nav a {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    transition: color var(--transition-fast);
}

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

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-content {
        max-width: 100%;
    }

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

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

    .hero-visual {
        order: -1;
    }

    .shield-container {
        width: 200px;
        height: 240px;
    }

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

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

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

    .pricing-card-popular {
        transform: none;
        order: -1;
    }

    .pricing-card-popular.animate-in {
        transform: none;
    }

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

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

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

    .guarantee-list {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        display: none;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
    }

    .nav-menu.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

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

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

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

    .hero-stats {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .promo-features {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-lg: 1.5rem;
        --spacing-xl: 2rem;
        --spacing-2xl: 2.5rem;
        --spacing-3xl: 3rem;
    }

    .hero-cta {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }

    .footer-nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
}

/* ===== Animation Delays ===== */
.advantage-card:nth-child(1) {
    transition-delay: 0s;
}

.advantage-card:nth-child(2) {
    transition-delay: 0.1s;
}

.advantage-card:nth-child(3) {
    transition-delay: 0.2s;
}

.advantage-card:nth-child(4) {
    transition-delay: 0.3s;
}

.advantage-card:nth-child(5) {
    transition-delay: 0.4s;
}

.advantage-card:nth-child(6) {
    transition-delay: 0.5s;
}

.step:nth-child(2) {
    transition-delay: 0s;
}

.step:nth-child(3) {
    transition-delay: 0.2s;
}

.step:nth-child(4) {
    transition-delay: 0.4s;
}

.platform-card:nth-child(1) {
    transition-delay: 0s;
}

.platform-card:nth-child(2) {
    transition-delay: 0.1s;
}

.platform-card:nth-child(3) {
    transition-delay: 0.2s;
}

.platform-card:nth-child(4) {
    transition-delay: 0.3s;
}

.pricing-card:nth-child(1) {
    transition-delay: 0s;
}

.pricing-card:nth-child(2) {
    transition-delay: 0.15s;
}

.pricing-card:nth-child(3) {
    transition-delay: 0.3s;
}

.review-card:nth-child(1) {
    transition-delay: 0s;
}

.review-card:nth-child(2) {
    transition-delay: 0.1s;
}

.review-card:nth-child(3) {
    transition-delay: 0.2s;
}

.review-card:nth-child(4) {
    transition-delay: 0.3s;
}

.seo-block:nth-child(1) {
    transition-delay: 0s;
}

.seo-block:nth-child(2) {
    transition-delay: 0.1s;
}

.seo-block:nth-child(3) {
    transition-delay: 0.2s;
}