/* ===== RESET & БАЗА ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --color-bg: #FFFFFF;
    --color-bg-alt: #F5F5F5;
    --color-text: #171717;
    --color-text-secondary: #525252;
    --color-text-muted: #A3A3A3;
    --color-border: #E5E5E5;
    --color-accent: #2563EB;
    --color-accent-hover: #1D4ED8;
    --color-accent-bg: #EFF6FF;
    --color-dark: #0A0A0A;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 48px;
    --space-xl: 80px;
    --space-2xl: 120px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

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

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

.container {
    width: 100%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ===== КОМПОНЕНТЫ ===== */
.label {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

h1 {
    font-size: 56px;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

h2 {
    font-size: 36px;
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.01em;
    margin-bottom: var(--space-md);
}

h3 {
    font-size: 20px;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: var(--space-xs);
}

h4 {
    font-size: 15px;
    font-weight: 600;
}

p {
    color: var(--color-text-secondary);
    font-size: 17px;
    line-height: 1.7;
}

/* ===== СЕТКИ ===== */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
    align-items: center;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
}

.grid-5 {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: var(--space-sm);
}

/* ===== КНОПКИ ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    gap: 8px;
    font-family: inherit;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-primary {
    background: var(--color-accent);
    color: #fff;
}

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

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 1.5px solid var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
}

.btn-dark {
    background: var(--color-dark);
    color: #fff;
}

.btn-dark:hover {
    background: #262626;
}

.btn-small {
    padding: 8px 18px;
    font-size: 13px;
}

/* ===== КАРТОЧКИ ===== */
.card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    transition: all 0.2s ease;
}

.card:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
    transform: translateY(-2px);
}

.icon-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-accent-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--space-sm);
    color: var(--color-accent);
    flex-shrink: 0;
}

.icon-circle svg {
    width: 22px;
    height: 22px;
    color: var(--color-accent);
}

/* ===== ОТСТУПЫ ===== */
.text-center {
    text-align: center;
}

.mb-1 {
    margin-bottom: var(--space-xs);
}

.mb-2 {
    margin-bottom: var(--space-sm);
}

.mb-3 {
    margin-bottom: var(--space-md);
}

.mb-4 {
    margin-bottom: var(--space-lg);
}

.mt-2 {
    margin-top: var(--space-sm);
}

.mt-3 {
    margin-top: var(--space-md);
}

/* ===== ШАПКА ===== */
.header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 64px;
}

.logo {
    font-size: 20px;
    font-weight: 700;
    color: var(--color-dark);
}

.logo span {
    color: var(--color-accent);
}

.nav {
    display: flex;
    gap: var(--space-lg);
}

.nav a {
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-secondary);
    transition: color 0.2s;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* ===== БУРГЕР ===== */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.burger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    border-radius: 2px;
    transition: 0.2s;
}

.mobile-menu {
    display: none;
    flex-direction: column;
    gap: 12px;
    padding: 16px 24px 24px;
    background: var(--color-bg);
    border-top: 1px solid var(--color-border);
}

.mobile-menu a {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text-secondary);
    padding: 4px 0;
}

.mobile-menu a:hover {
    color: var(--color-accent);
}

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

/* ===== ГЕРОЙ ===== */
.hero {
    padding: var(--space-2xl) 0;
}

.hero h1 {
    margin-bottom: var(--space-md);
}

.hero p {
    font-size: 19px;
    max-width: 520px;
    margin-bottom: var(--space-lg);
}

.hero-btns {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

.hero-features {
    display: flex;
    gap: 24px;
    margin-top: var(--space-md);
    font-size: 13px;
    color: var(--color-text-muted);
}

.hero-visual {
    background: var(--color-accent-bg);
    border-radius: var(--radius-lg);
    height: 320px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-visual::before {
    content: "";
    position: absolute;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.06) 0%, transparent 70%);
}

.hero-visual::after {
    content: "";
    position: absolute;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.04) 0%, transparent 70%);
    top: -40px;
    right: -40px;
}

.hero-icon-wrapper {
    position: relative;
    z-index: 1;
    text-align: center;
}

.hero-icon-wrapper svg {
    color: var(--color-accent);
    opacity: 0.6;
}

.hero-icon-label {
    display: block;
    margin-top: 12px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.02em;
}

/* ===== СЕКЦИИ ===== */
.section {
    padding: var(--space-2xl) 0;
}

.section-alt {
    background: var(--color-bg-alt);
}

/* ===== БОЛЬ ===== */
.pain-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
}

.pain-card h3 {
    color: var(--color-dark);
}

.pain-num {
    font-size: 13px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ===== РЕШЕНИЕ ===== */
.solution-card {
    text-align: center;
    padding: var(--space-lg);
}

.solution-card .icon-circle {
    margin: 0 auto var(--space-sm);
}

/* ===== НИШИ ===== */
.niche-item {
    text-align: center;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--color-border);
    background: var(--color-bg);
    transition: all 0.2s;
}

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

.niche-item .icon-circle {
    margin: 0 auto var(--space-sm);
    background: var(--color-accent-bg);
}

.niche-item h4 {
    font-size: 15px;
    font-weight: 600;
}

.niche-item p {
    font-size: 13px;
    color: var(--color-text-muted);
    margin-top: 4px;
}

/* ===== ПРОЦЕСС ===== */
.process-step {
    text-align: center;
    position: relative;
}

.process-step::after {
    content: "";
    position: absolute;
    top: 24px;
    right: -50%;
    width: 100%;
    height: 2px;
    background: var(--color-border);
    z-index: 0;
}

.process-step:last-child::after {
    display: none;
}

.process-num {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--color-accent);
    color: #fff;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 700;
    margin: 0 auto var(--space-sm);
    position: relative;
    z-index: 1;
}

.process-step h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
}

.process-step p {
    font-size: 14px;
    color: var(--color-text-muted);
}

/* ===== ПОРТФОЛИО ===== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.portfolio-card {
    border-radius: var(--radius-md);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.portfolio-screenshots {
    overflow: hidden;
}

.screenshot-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
}

.screenshot-item {
    overflow: hidden;
    border-radius: 6px;
    background: var(--color-bg-alt);
    aspect-ratio: 16 / 10;
    cursor: pointer;
    position: relative;
}

.screenshot-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.3s ease;
}

.screenshot-item:hover img {
    transform: scale(1.04);
}

.screenshot-item::after {
    content: "🔍";
    position: absolute;
    bottom: 8px;
    right: 10px;
    font-size: 16px;
    opacity: 0;
    transition: opacity 0.2s;
    background: rgba(0, 0, 0, 0.5);
    padding: 2px 8px;
    border-radius: 12px;
    color: #fff;
    pointer-events: none;
}

.screenshot-item:hover::after {
    opacity: 1;
}

.portfolio-body {
    padding: var(--space-md);
}

.portfolio-body h4 {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 4px;
    margin-top: 8px;
}

.portfolio-body p {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.portfolio-tag {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    background: var(--color-accent-bg);
    color: var(--color-accent);
    font-size: 12px;
    font-weight: 600;
}

/* ===== ГАЛЕРЕЯ ===== */
.gallery-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    padding: 40px;
    animation: galleryFadeIn 0.25s ease;
}

.gallery-overlay.active {
    display: flex;
}

.gallery-overlay img {
    max-width: 90%;
    max-height: 90%;
    object-fit: contain;
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: galleryZoomIn 0.3s ease;
}

.gallery-close {
    position: absolute;
    top: 24px;
    right: 32px;
    font-size: 36px;
    color: #fff;
    cursor: pointer;
    background: none;
    border: none;
    transition: opacity 0.2s;
    opacity: 0.6;
}

.gallery-close:hover {
    opacity: 1;
}

@keyframes galleryFadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes galleryZoomIn {
    from {
        transform: scale(0.92);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* ===== УСЛУГИ И ЦЕНЫ ===== */
.services-pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    max-width: 960px;
    margin: 0 auto;
}

.service-price-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    text-align: center;
    display: flex;
    flex-direction: column;
    transition: all 0.2s ease;
}

.service-price-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
}

.service-price-card.featured {
    border-color: var(--color-accent);
    box-shadow: 0 4px 20px rgba(37, 99, 235, 0.08);
}

.service-price-icon {
    width: 56px;
    height: 56px;
    margin: 0 auto 12px;
    background: var(--color-accent-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
}

.service-price-icon svg {
    width: 28px;
    height: 28px;
}

.service-price-card h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 4px;
}

.service-price-amount {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-accent);
}

/* ===== FAQ ===== */
.faq-item {
    border-bottom: 1px solid var(--color-border);
    padding: var(--space-md) 0;
}

.faq-q {
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
}

.faq-a {
    font-size: 15px;
    color: var(--color-text-secondary);
    margin-top: var(--space-sm);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.faq-item.open .faq-a {
    max-height: 200px;
}

.faq-arrow {
    transition: transform 0.3s;
    color: var(--color-text-muted);
    font-size: 12px;
}

.faq-item.open .faq-arrow {
    transform: rotate(180deg);
}

/* ===== КОНТАКТЫ ===== */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
}

.contact-info h3 {
    margin-bottom: var(--space-sm);
}

.contact-info p {
    margin-bottom: var(--space-md);
}

.contact-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) 0;
    border-bottom: 1px solid var(--color-border);
    font-size: 15px;
}

.contact-link:last-child {
    border-bottom: none;
}

.contact-link strong {
    color: var(--color-dark);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 14px;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius-sm);
    font-size: 15px;
    font-family: inherit;
    background: var(--color-bg);
    color: var(--color-text);
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

/* ===== ПОДВАЛ ===== */
.footer {
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--color-border);
    text-align: center;
}

.footer p {
    font-size: 13px;
    color: var(--color-text-muted);
}

/* ===== АДАПТИВ ===== */
@media (max-width: 992px) {
    h1 {
        font-size: 40px;
    }

    h2 {
        font-size: 30px;
    }

    .grid-2 {
        gap: var(--space-md);
    }

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

    .services-pricing-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 32px;
    }

    h2 {
        font-size: 26px;
    }

    .grid-2,
    .grid-3,
    .grid-4,
    .grid-5 {
        grid-template-columns: 1fr;
    }

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

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

    .service-price-card.featured {
        order: -1;
    }

    .grid-3 .pricing-card,
    .grid-4 .process-step {
        max-width: 400px;
        margin: 0 auto;
    }

    .process-step::after {
        display: none;
    }

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

    .hero-visual {
        height: 220px;
        margin-top: var(--space-lg);
    }

    .hero-icon-wrapper svg {
        width: 56px;
        height: 56px;
    }

    .hero-icon-label {
        font-size: 12px;
    }

    .hero-features {
        flex-wrap: wrap;
        gap: 12px;
    }

    .nav {
        display: none;
    }

    .burger {
        display: flex;
    }

    .section {
        padding: var(--space-xl) 0;
    }

    .hero {
        padding: var(--space-xl) 0;
    }

    .pain-card,
    .solution-card,
    .review-card,
    .pricing-card {
        padding: var(--space-md);
    }

    .screenshot-grid {
        gap: 4px;
    }

    .screenshot-item {
        aspect-ratio: 16 / 9;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 16px;
    }

    h1 {
        font-size: 28px;
    }

    h2 {
        font-size: 22px;
    }

    .hero-visual {
        height: 180px;
    }

    .hero-icon-wrapper svg {
        width: 44px;
        height: 44px;
    }

    .grid-3 .pricing-card,
    .grid-4 .process-step {
        max-width: 100%;
    }

    .pricing-price {
        font-size: 28px;
    }

    .review-card {
        padding: var(--space-sm);
    }

    .contact-link {
        font-size: 14px;
    }

    .card {
        padding: var(--space-md);
    }

    .form-group input,
    .form-group textarea,
    .form-group select {
        font-size: 16px;
        padding: 10px 12px;
    }

    .screenshot-grid {
        gap: 4px;
    }

    .screenshot-item {
        aspect-ratio: 4 / 3;
    }
}