/* ========================================================
   Piixe — стиль на основе палитры логотипа
   Цвета: #1a2a4a, #6a9acf, #e87a4a, #f0f4f8
   ======================================================== */

:root {
    --color-primary: #1a2a4a;
    --color-secondary: #6a9acf;
    --color-accent: #e87a4a;
    --color-bg: #f0f4f8;
    --color-card: #ffffff;
    --color-text: #1a2a4a;
    --color-text-secondary: #4a6a8a;
    --color-border: #d0dce8;
    --color-shadow: rgba(26, 42, 74, 0.08);
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --radius: 8px;
    --transition: 0.25s ease;
}

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

body {
    font-family: var(--font-family);
    background: var(--color-bg);
    color: var(--color-text);
    line-height: 1.5;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

a {
    color: var(--color-secondary);
    text-decoration: none;
    transition: color var(--transition);
}

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

.container {
    max-width: 1120px;
    margin: 0 auto;
    padding: 0 24px;
    width: 100%;
}

/* ========================================================
   ЛОГОТИП
   ======================================================== */

.logo-link {
    display: flex;
    align-items: baseline;
    gap: 0px;
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.logo-pix {
    color: var(--color-primary);
}

.logo-e {
    color: var(--color-accent);
    font-size: 30px;
    margin-left: -2px;
}

.logo-slogan {
    font-size: 10px;
    font-weight: 400;
    color: var(--color-text-secondary);
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-left: 10px;
    opacity: 0.6;
}

/* ========================================================
   HEADER
   ======================================================== */

.site-header {
    background: var(--color-card);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px var(--color-shadow);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
}

.main-nav ul {
    display: flex;
    list-style: none;
    gap: 24px;
    flex-wrap: wrap;
}

.main-nav a {
    color: var(--color-text-secondary);
    font-size: 14px;
    font-weight: 500;
    padding: 4px 0;
    border-bottom: 2px solid transparent;
    transition: all var(--transition);
}

.main-nav a:hover {
    color: var(--color-primary);
    border-bottom-color: var(--color-secondary);
}

.lang-switcher {
    display: flex;
    gap: 6px;
}

.lang-link {
    padding: 2px 10px;
    border-radius: var(--radius);
    font-size: 13px;
    font-weight: 500;
    color: var(--color-text-secondary);
    background: transparent;
    transition: all var(--transition);
}

.lang-link.active {
    color: var(--color-primary);
    background: var(--color-bg);
}

.lang-link:hover {
    background: var(--color-bg);
}

/* ========================================================
   ГЕРОЙ-СЕКЦИЯ
   ======================================================== */

.hero-section {
    text-align: center;
    padding: 60px 0 48px;
    background: linear-gradient(135deg, var(--color-card) 0%, var(--color-bg) 100%);
    border-bottom: 1px solid var(--color-border);
}

.hero-title {
    font-size: 42px;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 12px;
    color: var(--color-primary);
    letter-spacing: -0.5px;
}

.hero-title .highlight {
    color: var(--color-accent);
}

.hero-subtitle {
    font-size: 18px;
    color: var(--color-text-secondary);
    max-width: 560px;
    margin: 0 auto 28px;
}

/* ========================================================
   КНОПКИ
   ======================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 28px;
    border-radius: var(--radius);
    font-size: 15px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: #5a8abe;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(106, 154, 207, 0.30);
    color: #fff;
}

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

.btn-secondary:hover {
    border-color: var(--color-secondary);
    color: var(--color-primary);
    box-shadow: 0 2px 12px var(--color-shadow);
}

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

.btn-accent:hover {
    background: #d66a3a;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(232, 122, 74, 0.30);
    color: #fff;
}

.btn-large {
    padding: 12px 36px;
    font-size: 16px;
}

/* ========================================================
   СЕКЦИИ
   ======================================================== */

.section {
    padding: 48px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 32px;
}

.section-header h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 6px;
}

.section-header p {
    color: var(--color-text-secondary);
    font-size: 16px;
}

/* ========================================================
   ЗАГРУЗКА ФАЙЛОВ
   ======================================================== */

.upload-card {
    max-width: 680px;
    margin: 0 auto;
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 32px;
    border: 1px solid var(--color-border);
    box-shadow: 0 2px 16px var(--color-shadow);
}

.upload-area {
    border: 2px dashed var(--color-border);
    border-radius: var(--radius);
    padding: 32px 20px;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
}

.upload-area:hover {
    border-color: var(--color-secondary);
    background: rgba(106, 154, 207, 0.03);
}

.upload-area.dragover {
    border-color: var(--color-accent);
    background: rgba(232, 122, 74, 0.05);
}

.upload-icon {
    font-size: 32px;
    color: var(--color-secondary);
    margin-bottom: 8px;
}

.upload-text {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 4px;
}

.upload-hint {
    font-size: 14px;
    color: var(--color-text-secondary);
}

.upload-max-size {
    font-size: 13px;
    color: var(--color-text-secondary);
    margin-top: 12px;
}

#file-input {
    display: none;
}

.progress-bar {
    width: 100%;
    height: 4px;
    background: var(--color-border);
    border-radius: 2px;
    overflow: hidden;
    margin-top: 16px;
}

.progress-fill {
    height: 100%;
    background: var(--color-secondary);
    width: 0%;
    transition: width 0.3s ease;
}

.upload-success,
.upload-error {
    border-radius: var(--radius);
    padding: 16px 20px;
    margin-top: 16px;
    font-size: 14px;
}

.upload-success {
    background: #e8f5e9;
    border: 1px solid #a5d6a7;
    color: #1a3a2a;
}

.upload-error {
    background: #fce4ec;
    border: 1px solid #ef9a9a;
    color: #3a1a1a;
}

.link-row {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    padding: 6px 0;
    border-bottom: 1px solid var(--color-border);
}

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

.link-row code {
    background: var(--color-bg);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 13px;
    word-break: break-all;
    flex: 1;
    min-width: 120px;
    color: var(--color-text);
}

.link-row button {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    padding: 4px 12px;
    border-radius: 4px;
    cursor: pointer;
    font-size: 13px;
    transition: all var(--transition);
}

.link-row button:hover {
    background: var(--color-secondary);
    color: #fff;
    border-color: var(--color-secondary);
}

.upload-auth-warning {
    margin-top: 16px;
    text-align: center;
    padding: 16px;
    background: #fff3e0;
    border-radius: var(--radius);
    border: 1px solid #ffcc80;
}

/* ========================================================
   ПРИМЕРЫ ССЫЛОК
   ======================================================== */

.examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
}

.example-card {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all var(--transition);
}

.example-card:hover {
    transform: translateY(-4px);
    border-color: var(--color-secondary);
    box-shadow: 0 4px 20px var(--color-shadow);
}

.example-card h3 {
    font-size: 17px;
    font-weight: 600;
    margin-bottom: 6px;
    color: var(--color-primary);
}

.example-card code {
    display: block;
    background: var(--color-bg);
    padding: 8px;
    border-radius: 4px;
    font-size: 13px;
    word-break: break-all;
    margin: 8px 0;
    color: var(--color-text);
}

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

/* ========================================================
   ТАРИФЫ
   ======================================================== */

.tariff-preview-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
    max-width: 720px;
    margin: 0 auto;
}

.tariff-preview-card {
    background: var(--color-card);
    border-radius: var(--radius);
    padding: 24px;
    border: 1px solid var(--color-border);
    text-align: center;
    transition: all var(--transition);
}

.tariff-preview-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 4px 20px var(--color-shadow);
}

.tariff-preview-card.premium {
    border: 2px solid var(--color-accent);
    background: linear-gradient(135deg, var(--color-card), #fef2f2);
}

.tariff-preview-card h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 4px;
    color: var(--color-primary);
}

.tariff-price {
    font-size: 26px;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 8px;
}

.tariff-preview-card ul {
    list-style: none;
    padding: 0;
    margin: 0 0 16px;
    text-align: left;
    font-size: 14px;
    color: var(--color-text-secondary);
}

.tariff-preview-card ul li {
    padding: 4px 0;
}

/* ========================================================
   ГАЛЕРЕЯ
   ======================================================== */

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
}

.gallery-item {
    aspect-ratio: 1;
    border-radius: var(--radius);
    overflow: hidden;
    background: var(--color-card);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}

.gallery-item:hover {
    transform: scale(1.03);
    border-color: var(--color-secondary);
    box-shadow: 0 4px 16px var(--color-shadow);
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ========================================================
   ФУТЕР
   ======================================================== */

.site-footer {
    background: var(--color-card);
    border-top: 1px solid var(--color-border);
    padding: 32px 0 16px;
    margin-top: auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
}

.footer-col h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--color-primary);
}

.footer-col .footer-e {
    color: var(--color-accent);
}

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

.footer-tagline {
    font-size: 13px;
    color: var(--color-text-secondary);
    opacity: 0.6;
    margin-top: 4px;
    font-style: italic;
}

.footer-col ul {
    list-style: none;
    padding: 0;
}

.footer-col ul li {
    padding: 3px 0;
}

.footer-col ul li a {
    color: var(--color-text-secondary);
    font-size: 14px;
}

.footer-col ul li a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding-top: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 13px;
    color: var(--color-text-secondary);
}

.footer-bottom .footer-e {
    color: var(--color-accent);
}

/* ========================================================
   АДАПТИВНОСТЬ
   ======================================================== */

@media (max-width: 768px) {
    .hero-title {
        font-size: 30px;
    }
    .hero-subtitle {
        font-size: 16px;
    }
    .header-inner {
        flex-direction: column;
        align-items: stretch;
        gap: 10px;
    }
    .main-nav ul {
        justify-content: center;
    }
    .lang-switcher {
        justify-content: center;
    }
    .upload-card {
        padding: 20px;
    }
    .examples-grid {
        grid-template-columns: 1fr;
    }
    .tariff-preview-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .link-row {
        flex-direction: column;
        align-items: stretch;
    }
    .logo-link {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 24px;
    }
    .btn {
        padding: 8px 20px;
        font-size: 14px;
    }
    .btn-large {
        padding: 10px 24px;
    }
    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    }
}

/* ========================================================
   СТРАНИЦА ИЗОБРАЖЕНИЯ
   ======================================================== */

.image-container {
    max-width: 100%;
    max-height: 80vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-radius: var(--radius);
}

.full-image {
    max-width: 100%;
    max-height: 80vh;
    width: auto;
    height: auto;
    object-fit: contain;
    display: block;
    border-radius: var(--radius);
}