/* ========================================
   CSS ПЕРЕМЕННЫЕ И БАЗОВЫЕ СТИЛИ
   Бежевая палитра · Современный дизайн
   ======================================== */

/* CSS переменные — тёмная тема (тёплый тёмный беж) */
:root {
    --primary-color: #b8956b;
    --primary-hover: #a67c52;
    --primary-soft: rgba(184, 149, 107, 0.15);
    --bg-color: #252220;
    --surface-color: #2f2b28;
    --surface-elevated: #3a3532;
    --text-color: #f5f0e8;
    --text-secondary: #c4b8a8;
    --border-color: #4a4540;
    --shadow: 0 10px 40px rgba(0, 0, 0, 0.25);
    --shadow-hover: 0 20px 50px rgba(0, 0, 0, 0.35);
    --gradient: linear-gradient(135deg, #b8956b 0%, #c4a77d 50%, #a67c52 100%);
    --gradient-soft: linear-gradient(135deg, rgba(184, 149, 107, 0.2) 0%, rgba(166, 124, 82, 0.1) 100%);
    --radius-sm: 10px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-xl: 32px;
    --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="light"] {
    --primary-color: #8b7355;
    --primary-hover: #6f5a42;
    --primary-soft: rgba(139, 115, 85, 0.12);
    --bg-color: #faf7f2;
    --surface-color: #f5f0e8;
    --surface-elevated: #ffffff;
    --text-color: #2c2825;
    --text-secondary: #5c5549;
    --border-color: #e0d9cf;
    --shadow: 0 10px 40px rgba(44, 40, 37, 0.08);
    --shadow-hover: 0 20px 50px rgba(44, 40, 37, 0.12);
    --gradient: linear-gradient(135deg, #8b7355 0%, #a67c52 100%);
    --gradient-soft: linear-gradient(135deg, rgba(139, 115, 85, 0.08) 0%, rgba(166, 124, 82, 0.05) 100%);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Plus Jakarta Sans', 'Inter', system-ui, sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.65;
    transition: background-color var(--transition), color var(--transition);
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ========================================
   КОМПОНЕНТ: HEADER (НАВИГАЦИЯ)
   ======================================== */

.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(37, 34, 32, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition), border-color var(--transition);
}

[data-theme="light"] .navbar {
    background: rgba(250, 247, 242, 0.9);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 72px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient);
    border-radius: 1px;
    transition: width var(--transition);
}

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

/* Стили для ссылки на админ-панель */
.admin-link {
    background: var(--gradient);
    color: #fff !important;
    padding: 10px 18px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: transform var(--transition), box-shadow var(--transition);
}

.admin-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow);
    color: #fff !important;
}

.admin-link::after {
    display: none; /* Убираем подчеркивание для админ-ссылки */
}

.admin-link i {
    margin-right: 6px;
    font-size: 0.9em;
}

/* Стили для кнопки печати */
.print-link {
    background: linear-gradient(135deg, #9a8b6e 0%, #7d6e52 100%);
    color: #fff !important;
    padding: 10px 18px;
    border-radius: var(--radius-lg);
    font-weight: 600;
    transition: transform var(--transition), box-shadow var(--transition);
}

.print-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(154, 139, 110, 0.35);
    color: #fff !important;
}

.print-link::after {
    display: none;
}

.print-link i {
    margin-right: 6px;
    font-size: 0.9em;
    transition: transform var(--transition);
}

.print-link:hover i {
    transform: scale(1.1);
}

/* Анимация при печати */
.print-link.printing {
    animation: pulse 1s ease-in-out;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(0.95);
    }
}

.theme-toggle {
    cursor: pointer;
    padding: 10px;
    border-radius: 50%;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--primary-color);
    transition: all var(--transition);
}

.theme-toggle:hover {
    background: var(--primary-soft);
    transform: scale(1.08);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.hamburger span {
    width: 24px;
    height: 2.5px;
    background: var(--text-color);
    border-radius: 2px;
    transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ========================================
   КОМПОНЕНТ: HERO СЕКЦИЯ
   ======================================== */

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 72px;
    background: var(--gradient-soft), linear-gradient(180deg, var(--bg-color) 0%, var(--surface-color) 100%);
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-size: clamp(2.25rem, 5vw, 3.5rem);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1rem;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--primary-color);
    margin-bottom: 1rem;
    letter-spacing: 0.02em;
}

.hero-description {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.75;
    max-width: 480px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 28px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
    border: none;
    cursor: pointer;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

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

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

.hero-visual {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    width: 80px;
    height: 80px;
    background: var(--surface-elevated);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-color);
    box-shadow: var(--shadow);
    animation: float 6s ease-in-out infinite;
    transition: transform var(--transition);
}

.floating-card:hover {
    transform: translateY(-8px) scale(1.05);
}

.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 60%;
    left: 20%;
    animation-delay: 2s;
}

.card-3 {
    top: 40%;
    right: 20%;
    animation-delay: 4s;
}

.card-4 {
    top: 10%;
    right: 10%;
    animation-delay: 1s;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-16px); }
}

/* ========================================
   КОМПОНЕНТ: ABOUT СЕКЦИЯ
   ======================================== */

.about {
    padding: 120px 0;
    background: var(--bg-color);
}

.section-title {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    text-align: center;
    margin-bottom: 3.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.75;
}

.about-stats {
    display: flex;
    gap: 2.5rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.02em;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.about-image {
    display: flex;
    justify-content: center;
}

.about-photo {
    width: 320px;
    height: 320px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.image-placeholder {
    width: 320px;
    height: 320px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: var(--primary-color);
    box-shadow: var(--shadow);
}

/* ========================================
   КОМПОНЕНТ: SKILLS СЕКЦИЯ
   ======================================== */

.skills {
    padding: 120px 0;
    background: var(--surface-color);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 3rem;
}

.skill-category h3 {
    font-size: 1.35rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
    letter-spacing: -0.01em;
}

.skill-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.skill-item {
    padding: 10px 18px;
    background: var(--bg-color);
    border-radius: var(--radius-lg);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-color);
    border: 1px solid var(--border-color);
    transition: all var(--transition);
}

.skill-item:hover {
    background: var(--primary-soft);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* ========================================
   КОМПОНЕНТ: PROJECTS СЕКЦИЯ
   ======================================== */

.projects {
    padding: 120px 0;
    background: var(--bg-color);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.project-card {
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.project-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary-color);
}

.project-image {
    height: 200px;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.project-placeholder {
    width: 100%;
    height: 100%;
    background: var(--bg-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--primary-color);
}

.project-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    transition: transform var(--transition);
}

.project-card:hover .project-img {
    transform: scale(1.05);
}

/* Стили для сообщения об отсутствии проектов */
.no-projects {
    grid-column: 1 / -1;
    text-align: center;
    padding: 4rem 2rem;
    background: var(--surface-color);
    border-radius: var(--radius-lg);
    border: 2px dashed var(--border-color);
}

.no-projects i {
    font-size: 4rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.no-projects h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-color);
}

.no-projects p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.project-content {
    padding: 1.5rem 1.75rem;
}

.project-content h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    color: var(--text-color);
    letter-spacing: -0.01em;
}

.project-content p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
    font-size: 0.95rem;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.25rem;
}

.project-tech span {
    padding: 6px 12px;
    background: var(--primary-soft);
    color: var(--primary-color);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 1rem;
}

.project-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color var(--transition);
}

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

/* ========================================
   КОМПОНЕНТ: CONTACT СЕКЦИЯ
   ======================================== */

.contact {
    padding: 120px 0;
    background: var(--surface-color);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.25rem;
    background: var(--bg-color);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: border-color var(--transition);
}

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

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    width: 44px;
    text-align: center;
}

.contact-item h3 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 0.35rem;
    color: var(--text-color);
}

.contact-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group textarea {
    padding: 14px 18px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-color);
    color: var(--text-color);
    font-size: 1rem;
    font-family: inherit;
    transition: border-color var(--transition), box-shadow var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 4px var(--primary-soft);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-secondary);
}

/* Стили для сообщений об успехе и ошибках */
.alert {
    padding: 16px 20px;
    border-radius: var(--radius-md);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 12px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border: 2px solid #22c55e;
    color: #22c55e;
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 2px solid #ef4444;
    color: #ef4444;
}

.alert i {
    font-size: 1.2em;
}

.alert ul {
    margin: 0;
    padding-left: 0;
}

/* ========================================
   КОМПОНЕНТ: FOOTER
   ======================================== */

.footer {
    background: var(--bg-color);
    padding: 2.5rem 0;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.25rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-link {
    width: 44px;
    height: 44px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-color);
    text-decoration: none;
    transition: all var(--transition);
}

.social-link:hover {
    background: var(--primary-soft);
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
}

.footer p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* ========================================
   АДАПТИВНОСТЬ (МОБИЛЬНЫЕ УСТРОЙСТВА)
   ======================================== */

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 72px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 72px);
        background: var(--bg-color);
        flex-direction: column;
        justify-content: start;
        align-items: center;
        padding-top: 2rem;
        transition: left var(--transition);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 2rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .skills-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .about-stats {
        justify-content: center;
    }
    
    /* Адаптивные стили для админ-ссылки */
    .admin-link {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
    
    .admin-link i {
        margin-right: 4px;
        font-size: 0.8em;
    }
    
    /* Адаптивные стили для кнопки печати */
    .print-link {
        padding: 6px 12px;
        font-size: 0.9rem;
    }
    
    .print-link i {
        margin-right: 4px;
        font-size: 0.8em;
    }
    
    /* Адаптивные стили для изображений проектов */
    .project-image {
        height: 150px;
    }
    
    .project-img {
        object-fit: cover;
    }
}