/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Colors - Primary */
    --color-primary: #4A90E2;
    --color-primary-light: #C0D4F9;
    --color-primary-dark: #A0B8E8;
    
    /* Colors - Neutrals */
    --color-text: #333333;
    --color-text-secondary: #666666;
    --color-text-muted: #7F8C8D;
    --color-bg: #FFFFFF;
    --color-bg-secondary: #F5F5F5;
    --color-border: #E0E0E0;
    
    /* Colors - Accent (cards) */
    --color-pink: #FEE9F4;
    --color-blue-light: #E5EEFF;
    --color-yellow: #FFF5D0;
    --color-peach: #FFEBDF;
    --color-green: #ECF7CB;
    
    /* Legacy colors (for backward compatibility) */
    --color-blue: #C0D4F9;
    --color-blue-dark: #A0B8E8;
    --color-gray: #2C3E50;
    --color-gray-light: #7F8C8D;
    --color-white: #FFFFFF;
    
    /* Typography - Font Sizes */
    --font-size-hero: 56px;
    --font-size-h1: 42px;
    --font-size-h2: 32px;
    --font-size-h3: 24px;
    --font-size-h4: 20px;
    --font-size-body: 16px;
    --font-size-body-sm: 15px;
    --font-size-small: 14px;
    
    /* Spacing */
    --space-section: 100px;
    --space-xl: 60px;
    --space-lg: 40px;
    --space-md: 30px;
    --space-sm: 20px;
    --space-xs: 12px;
    
    /* Border Radius */
    --radius-full: 50px;
    --radius-lg: 20px;
    --radius-md: 16px;
    --radius-sm: 12px;
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 5px 15px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--color-gray);
    line-height: 1.6;
    background-color: var(--color-white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
.header {
    background-color: var(--color-white);
    padding: 20px 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--color-primary);
    letter-spacing: 1px;
}

.nav {
    display: flex;
    gap: 30px;
}

.nav-link {
    text-decoration: none;
    color: var(--color-gray);
    font-size: 16px;
}

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

.btn {
    padding: var(--space-xs) var(--space-sm);
    border: none;
    border-radius: var(--radius-full);
    font-size: var(--font-size-body);
    cursor: pointer;
    font-weight: 600;
    transition: background-color 0.3s ease;
}

/* Primary Button - Dark */
.btn-primary {
    background-color: var(--color-text);
    color: var(--color-bg);
    padding: var(--space-md) var(--space-md);
}

.btn-primary:hover {
    background-color: #1a1a1a;
}

/* Secondary Button - Light Blue */
.btn-secondary {
    background-color: var(--color-primary-light);
    color: var(--color-text);
    padding: var(--space-xs) var(--space-sm);
}

.btn-secondary:hover {
    background-color: var(--color-primary-dark);
}

/* Legacy button classes (for backward compatibility) */
.btn-header {
    background-color: var(--color-primary-light);
    color: var(--color-text);
}

.btn-header:hover {
    background-color: var(--color-primary-dark);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--color-gray);
    border-radius: 2px;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

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

@media (max-width: 768px) {
    .nav.mobile-active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        padding: 20px;
        box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        gap: 15px;
    }
}

/* Hero Section */
.hero {
    padding: 100px 0;
    background-color: var(--color-blue);
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

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

.hero-title {
    font-size: var(--font-size-hero);
    font-weight: bold;
    line-height: 1.2;
    margin-bottom: var(--space-sm);
    color: var(--color-gray);
}

.hero-subtitle {
    font-size: 20px;
    line-height: 1.6;
    color: var(--color-gray);
    margin-bottom: 40px;
}

.hero-cta {
    margin-top: 40px;
}

/* Hero CTA uses primary style */
.btn-hero-cta {
    background-color: var(--color-text);
    color: var(--color-bg);
    padding: var(--space-md) var(--space-md);
    border-radius: var(--radius-full);
    font-size: 18px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-hero-cta:hover {
    background-color: #1a1a1a;
}

.hero-disclaimer {
    font-size: 14px;
    color: var(--color-gray-light);
    margin-top: 20px;
    max-width: 500px;
}

.hero-composition {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-phones-wrapper {
    position: relative;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-main-image {
    width: 100%;
    max-width: 800px;
    height: auto;
    object-fit: contain;
}

/* Features Slider Section */
.features-slider {
    background-color: var(--color-bg);
    position: relative;
}

.slider-wrapper {
    width: 100%;
    position: relative;
}

.slider-container {
    position: relative;
    width: 100%;
    min-height: 500px;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease, visibility 0.5s ease;
    pointer-events: none;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    position: relative;
    pointer-events: auto;
}

.slide-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    padding: 40px 0;
}

.slide-image {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
}

.slide-image img {
    width: 100%;
    max-width: 600px;
    height: auto;
    object-fit: contain;
}

.slide-text {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.slide-title {
    font-size: var(--font-size-h1);
    font-weight: bold;
    line-height: 1.3;
    margin-bottom: var(--space-sm);
    color: var(--color-gray);
}

.slide-description {
    font-size: 18px;
    line-height: 1.6;
    color: var(--color-gray);
}

.slider-indicators {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 40px;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: rgba(44, 62, 80, 0.3);
    transition: background-color 0.3s ease, transform 0.3s ease;
}

.indicator.active {
    background-color: var(--color-gray);
    transform: scale(1.2);
}

/* Partners Section */
.partners {
    padding: 80px 0; /* Shorter padding for partners */
    background-color: var(--color-bg-secondary);
}

.partners .section-header {
    margin-bottom: 50px;
}

.partners-logos {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.partner-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
    min-width: 150px;
    max-width: 200px;
}

.partner-logo img {
    max-width: 100%;
    max-height: 80px;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.8;
    transition: filter 0.3s ease, opacity 0.3s ease;
}

.partner-logo img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* Responsive Partners */
@media (max-width: 768px) {
    .partners-logos {
        justify-content: center;
        gap: 30px;
    }
    
    .partner-logo {
        min-width: 120px;
        max-width: 150px;
    }
    
    .partner-logo img {
        max-height: 60px;
    }
}

/* Base Section Styles */
.section {
    padding: var(--space-section) 0;
}

/* Unified Section Header Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.section-label {
    display: inline-block;
    background-color: var(--color-bg-secondary);
    padding: 8px var(--space-sm);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-small);
    font-weight: 600;
    color: var(--color-text);
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.section-title {
    font-size: var(--font-size-h1);
    font-weight: bold;
    line-height: 1.3;
    margin-bottom: 0;
    color: var(--color-text);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* CTA Button - uses secondary style */
.btn-cta {
    background-color: var(--color-primary-light);
    color: var(--color-text);
    padding: var(--space-md) var(--space-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-body);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.btn-cta:hover {
    background-color: var(--color-primary-dark);
}

/* Target Audience Section */
.target-audience {
    background-color: var(--color-bg);
}

.target-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.target-image {
    border-radius: 20px;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.target-illustration {
    width: 100%;
    height: auto;
    max-width: 600px;
    object-fit: contain;
    border-radius: 20px;
}

.target-intro {
    font-size: 20px;
    color: var(--color-gray);
    margin-bottom: 40px;
    line-height: 1.6;
}

.target-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 30px;
}

.target-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-gray);
}

.target-checkmark {
    color: var(--color-gray);
    font-size: 18px;
    font-weight: bold;
    flex-shrink: 0;
    margin-top: 2px;
}

.target-cta {
    margin-top: 30px;
}


/* Why Us Section */
.why-us {
    background-color: var(--color-bg);
}

/* Верхний ряд: 3 карточки */
.why-us-row-top {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

/* Нижний ряд: 2 карточки, выровнены по краям с верхними */
.why-us-row-bottom {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    /* Ширина = 2/3 от контейнера минус половина gap */
    max-width: calc(66.666% - 7px);
}

.why-card {
    padding: 30px;
    border-radius: 16px;
    text-align: left;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
}

/* Верхние карточки */
.why-card-1,
.why-card-2,
.why-card-3 {
    min-height: 220px;
}

/* Нижние карточки - больше по высоте */
.why-card-4,
.why-card-5 {
    min-height: 260px;
}

/* Цвета карточек */
.why-card-1 {
    background-color: var(--color-pink);
}

.why-card-2 {
    background-color: var(--color-blue-light);
}

.why-card-3 {
    background-color: var(--color-yellow);
}

.why-card-4 {
    background-color: var(--color-peach);
}

.why-card-5 {
    background-color: var(--color-green);
}

.why-icon {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.why-icon img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.why-us-cta {
    display: flex;
    justify-content: center;
    margin-top: 50px;
}

.why-card h3 {
    font-size: var(--font-size-h4);
    font-weight: 600;
    margin-bottom: var(--space-xs);
    color: var(--color-text);
}

.why-card p {
    font-size: var(--font-size-body-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

/* Pricing Section */
.pricing {
    background-color: var(--color-bg);
}

.pricing-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    max-width: 900px;
    margin: 0 auto;
}

.pricing-card {
    padding: 40px;
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

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

.pricing-card-premium {
    background-color: var(--color-primary-light);
}

.pricing-plan-name {
    font-size: var(--font-size-h2);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 8px;
}

.pricing-price {
    font-size: 18px;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--space-sm);
}

.pricing-description {
    font-size: var(--font-size-body-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin-bottom: var(--space-md);
    flex-grow: 1;
}

/* Pricing buttons - use primary style */
.btn-pricing {
    padding: var(--space-md) 28px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-body);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
    background-color: var(--color-text);
    color: var(--color-bg);
}

.btn-pricing:hover {
    background-color: #1a1a1a;
}

/* Standard card button - light blue */
.pricing-card-standard .btn-pricing {
    background-color: var(--color-primary-light);
    color: var(--color-text);
}

.pricing-card-standard .btn-pricing:hover {
    background-color: var(--color-primary-dark);
}

/* Responsive Pricing */
@media (max-width: 768px) {
    .pricing-cards {
        grid-template-columns: 1fr;
    }
    
    .pricing-card {
        padding: 30px;
    }
    
    .pricing-plan-name {
        font-size: 28px;
    }
    
    .btn-pricing {
        width: 100%;
        text-align: center;
    }
}

/* Footer */
.footer {
    background-color: var(--color-blue);
    padding: 60px 0 40px;
}

.footer-content {
    display: grid;
    grid-template-columns: 1fr 2fr 1fr;
    gap: 40px;
    align-items: start;
}

.footer-logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--color-primary);
    margin-bottom: 15px;
}

.footer-copyright {
    font-size: 14px;
    color: var(--color-gray-light);
}

.footer-nav {
    display: flex;
    gap: 30px;
    flex-wrap: wrap;
    margin-bottom: 15px;
}

.footer-link {
    text-decoration: none;
    color: var(--color-gray);
    font-size: 16px;
}

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

.footer-link-privacy {
    text-decoration: underline;
    display: block;
    margin-top: 10px;
}

.footer-right {
    text-align: right;
}

/* Footer button - uses primary style */
.btn-footer {
    background-color: var(--color-text);
    color: var(--color-bg);
    margin-bottom: 15px;
}

.btn-footer:hover {
    background-color: #1a1a1a;
}

.footer-contact {
    font-size: 14px;
    color: var(--color-gray-light);
}

/* Responsive Design */
@media (max-width: 968px) {
    .hero-wrapper,
    .features-content,
    .target-content,
    .slide-content {
        grid-template-columns: 1fr;
    }
    
    .features-slider {
        padding: 60px 0;
    }
    
    .slider-container {
        min-height: 400px;
    }
    
    .slide-content {
        gap: 40px;
        padding: 20px 0;
    }
    
    .slide-image img {
        max-width: 100%;
    }
    
    .slide-title {
        font-size: 32px;
    }
    
    .slide-description {
        font-size: 16px;
    }

    .hero-composition {
        margin-top: 40px;
    }
    
    .hero-main-image {
        max-width: 100%;
    }

    .hero-title {
        font-size: 36px;
    }
    
    .hero-subtitle {
        font-size: 18px;
    }

    .section-title {
        font-size: 32px;
    }

    .why-us-row-top {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .why-us-row-bottom {
        max-width: 100%;
    }
    
    .why-card {
        min-height: auto;
        padding: 25px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-right {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .nav {
        display: none;
    }

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

    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .btn-hero-cta {
        font-size: 16px;
        padding: 14px 28px;
    }
    
    .slide-title {
        font-size: 28px;
    }
    
    .slide-description {
        font-size: 15px;
    }

    .section-title {
        font-size: 24px;
    }
    
    .why-us-row-top,
    .why-us-row-bottom {
        grid-template-columns: 1fr;
    }
    
    .why-us-row-bottom {
        max-width: 100%;
    }
    
    .why-card {
        min-height: auto;
        padding: 25px 20px;
    }
    
    .why-icon {
        width: 40px;
        height: 40px;
        margin-bottom: 16px;
    }
    
    .why-card h3 {
        font-size: 18px;
    }
    
    .why-card p {
        font-size: 14px;
    }
    
    .btn-cta {
        font-size: 14px;
        padding: 14px 24px;
    }

    .email-title {
        font-size: 28px;
    }

    .btn-header {
        display: none;
    }
}