/* ===== ОБЩИЕ СТИЛИ ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #059669;       /* насыщенный изумрудный для акцентов (замена синего) */
    --secondary-color: #047857;     /* более тёмный зелёный для hover и контраста */
    --text-color: #1e293b;          /* глубокий серо-синий текст */
    --text-light: #64748b;          /* светло-серый текст */
    --bg-color: #f8fafc;            /* мягкий серо-белый фон */
    --bg-light: #f1f5f9;            /* фон блоков */
    --border-color: #d1d5db;        /* светлая граница */
    --success-color: #10b981;       /* для успешных индикаторов */
    --error-color: #ef4444;         /* красный для ошибок */
    --shadow: 0 2px 5px rgba(4, 120, 87, 0.1);
    --shadow-lg: 0 8px 16px rgba(4, 120, 87, 0.15);
}

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

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

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

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

/* ===== КНОПКИ ===== */
.btn {
    display: inline-block;
    padding: 12px 24px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 16px;
    font-weight: 500;
    transition: background-color 0.3s ease;
}

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

.btn-small {
    padding: 8px 16px;
    font-size: 14px;
}

.btn-secondary {
    background-color: var(--text-light);
}

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

/* ===== HEADER ===== */
header {
    background-color: white;
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

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

.logo h1 {
    font-size: 24px;
    color: var(--text-color);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 32px;
}

nav a {
    color: var(--text-light);
    font-weight: 500;
    transition: color 0.3s ease;
    padding: 8px 0;
}

nav a:hover,
nav a.active {
    color: var(--primary-color);
}

/* ===== FOOTER ===== */
footer {
    background-color: var(--text-color);
    color: white;
    padding: 32px 0;
    margin-top: 64px;
}

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

.footer-contacts {
    display: flex;
    gap: 24px;
}

.footer-contacts a {
    color: white;
    opacity: 0.8;
    transition: opacity 0.3s ease;
}

.footer-contacts a:hover {
    opacity: 1;
}

/* ===== HERO SECTION ===== */
.hero {
    padding: 64px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.hero-content {
    display: flex;
    align-items: center;
    gap: 48px;
}

.hero-image img {
    width: 250px;
    height: 250px;
    border-radius: 50%;
    object-fit: cover;
    border: 5px solid white;
    box-shadow: var(--shadow-lg);
}

.hero-text h2 {
    font-size: 42px;
    margin-bottom: 16px;
}

.hero-text p {
    font-size: 18px;
    margin-bottom: 12px;
    opacity: 0.95;
}

.hero-text .btn {
    margin-top: 24px;
    background-color: white;
    color: var(--primary-color);
}

.hero-text .btn:hover {
    background-color: var(--bg-light);
}

/* ===== SKILLS SECTION ===== */
.skills {
    padding: 64px 0;
    background-color: var(--bg-light);
}

.skills h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 48px;
}

.skills-list {
    max-width: 800px;
    margin: 0 auto;
}

.skill-item {
    margin-bottom: 32px;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.skill-name {
    font-weight: 600;
    color: var(--text-color);
}

.skill-percent {
    font-weight: 500;
    color: var(--primary-color);
}

.progress-bar {
    height: 12px;
    background-color: var(--border-color);
    border-radius: 6px;
    overflow: hidden;
}

.progress {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 6px;
    transition: width 1s ease;
}

/* ===== PROJECTS SECTION ===== */
.projects-preview,
.projects-page {
    padding: 64px 0;
}

.projects-preview h2,
.projects-page h2 {
    text-align: center;
    font-size: 36px;
    margin-bottom: 48px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 32px;
}

.project-card {
    background-color: white;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.project-card {
  width: 100%;
  max-width: 300px;        /* ограничиваем максимальную ширину */
  height: auto;            /* явно не фиксируем высоту карточки */
  overflow: hidden;        /* скрываем выплывающие элементы */
}

.project-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  object-position: center;
  display: block;
  margin: 0;
  padding: 0;
}

.project-content {
  min-height: auto;        /* не давайте минимальную высоту контенту */
  padding: 15px;           /* явно укажите паддинг */
}



.project-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}



.project-card h3 {
    margin: 16px 20px 8px;
    color: var(--text-color);
}

.project-card p {
    margin: 0 20px 16px;
    color: var(--text-light);
    font-size: 14px;
}


.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 16px 20px;
}

.tag {
    padding: 4px 12px;
    background-color: var(--bg-light);
    color: var(--primary-color);
    border-radius: 16px;
    font-size: 12px;
    font-weight: 500;
}

.project-links {
    display: flex;
    gap: 12px;
    margin-top: 16px;
}

/* ===== FILTER BUTTONS ===== */
.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 48px;
}

.filter-buttons {
    display: flex;
    gap: 12px;
}

.filter-btn {
    padding: 8px 20px;
    background-color: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 20px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-color);
    transition: all 0.3s ease;
}

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

.filter-btn.active {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

/* ===== DIARY PAGE ===== */
.diary-page {
    padding: 64px 0;
}

.diary-page h2 {
    font-size: 36px;
    margin-bottom: 48px;
}

.diary-entries {
    margin-bottom: 64px;
}

.diary-entry {
    background-color: white;
    border-left: 4px solid var(--primary-color);
    border-radius: 8px;
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow);
}

.diary-entry.completed {
    border-left-color: var(--success-color);
}

.diary-entry.in-progress {
    border-left-color: #f59e0b;
}

.entry-date {
    font-size: 14px;
    color: var(--text-light);
    margin-bottom: 8px;
}

.entry-content h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--text-color);
}

.entry-content p {
    color: var(--text-light);
    margin-bottom: 16px;
}

.entry-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

/* ===== COURSES PROGRESS ===== */
.courses-progress {
    background-color: var(--bg-light);
    padding: 48px;
    border-radius: 12px;
    margin-bottom: 64px;
}

.courses-progress h2 {
    font-size: 28px;
    margin-bottom: 32px;
}

.course-item {
    margin-bottom: 32px;
}

.course-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.course-name {
    font-weight: 600;
    color: var(--text-color);
    font-size: 18px;
}

.course-percent {
    font-weight: 500;
    color: var(--primary-color);
}

.course-description {
    margin-top: 8px;
    color: var(--text-light);
    font-size: 14px;
}

/* ===== FORMS ===== */
.add-entry-section,
.contact-form-section {
    background-color: white;
    padding: 32px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.add-entry-section h3,
.contact-form-section h3 {
    font-size: 24px;
    margin-bottom: 24px;
}

.diary-form,
.contact-form {
    max-width: 600px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 16px;
    font-family: inherit;
    transition: border-color 0.3s ease;
}

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

.error-message {
    display: block;
    color: var(--error-color);
    font-size: 14px;
    margin-top: 4px;
}

.success-message {
    color: var(--success-color);
    font-size: 14px;
    margin-top: 12px;
}

/* ===== CONTACTS PAGE ===== */
.contacts-page {
    padding: 64px 0;
}

.contacts-page h2 {
    font-size: 36px;
    margin-bottom: 48px;
    text-align: center;
}

.contacts-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-bottom: 64px;
}

.contact-info-section {
    background-color: var(--bg-light);
    padding: 32px;
    border-radius: 12px;
}

.contact-info-section h3 {
    font-size: 24px;
    margin-bottom: 24px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.contact-icon {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
}

.contact-details h4 {
    font-size: 16px;
    margin-bottom: 4px;
    color: var(--text-color);
}

.contact-details p,
.contact-details a {
    color: var(--text-light);
    font-size: 14px;
}

.contact-details a:hover {
    color: var(--primary-color);
}

.social-links {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}

.social-link {
    padding: 6px 14px;
    background-color: white;
    border-radius: 20px;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.social-link:hover {
    background-color: var(--primary-color);
    color: white;
}

.availability {
    margin-top: 32px;
    padding-top: 24px;
    border-top: 2px solid var(--border-color);
}

.availability h4 {
    margin-bottom: 8px;
}

.availability p {
    color: var(--text-light);
    font-size: 14px;
}

.map-section {
    text-align: center;
}

.map-section h3 {
    font-size: 24px;
    margin-bottom: 24px;
}

.map-placeholder {
    background-color: var(--bg-light);
    padding: 64px 32px;
    border-radius: 12px;
    border: 2px dashed var(--border-color);
}

.map-placeholder p {
    color: var(--text-light);
    font-size: 18px;
    line-height: 1.8;
}

/* ===== MODAL ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 32px;
    border-radius: 12px;
    width: 90%;
    max-width: 600px;
    position: relative;
}

.close {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-light);
}

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

.modal-content h3 {
    margin-bottom: 16px;
}

.modal-content img {
    width: 100%;
    border-radius: 8px;
    margin-bottom: 16px;
}

.modal-links {
    display: flex;
    gap: 12px;
    margin-top: 24px;
}


@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        gap: 16px;
    }

    nav ul {
        gap: 16px;
    }

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

    .hero-text h2 {
        font-size: 32px;
    }

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

    .page-header {
        flex-direction: column;
        gap: 24px;
    }

    .filter-buttons {
        flex-wrap: wrap;
    }

    .contacts-wrapper {
        grid-template-columns: 1fr;
    }

    footer .container {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}