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

html, body {
    height: 100%;
}

body {
    background: #FAF7F2;
    color: #2C2C2C;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
    font-weight: 400;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 2rem;
    text-align: center; 
    background: #F5F1E8;
    z-index: 1000;
    font-size: 150%;
    font-weight: bold;
    color: #A67C52;
}
 
.header-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 4rem;
    font-size: 1.1rem;
}

.logo {
    font-size: 1.5rem;
    font-weight: 700;
    color: #A67C52;
}

.nav-link {
    text-decoration: none;
    color: #A67C52;
    font-weight: 500;
}

.nav-link:hover {
    color: #8C6A45;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

main {
    flex: 1;
    padding-top: 80px;
}

/* Обо мне */
.about {
    padding: 8rem 0 6rem;
    background: #FAF7F2;
}

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

.section-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 2rem;
    color: #2C2C2C;
    letter-spacing: -0.5px;
}

.about-text {
    margin-bottom: 0;
}

.about-text p {
    margin-bottom: 1.5rem;
    color: #5A5A5A;
    font-size: 1.125rem;
    line-height: 1.7;
}

.profile-container {
    display: flex;
    justify-content: center;
}

.profile-image {
    width: 350px;
    height: 350px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(166, 124, 82, 0.15);
}

.profile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}

/* Стили для проектов */
.projects {
    padding: 6rem 0;
    background: #F5F1E8;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.project-card {
    background: #FDFBF7;
    border: 1px solid #F0E9DD;
    border-radius: 12px;
    padding: 1.8rem 1.5rem;
    box-shadow: 0 4px 20px rgba(166, 124, 82, 0.08);
    display: flex;
    flex-direction: column;
    min-height: 160px;
    transition: box-shadow 0.3s ease, border-color 0.3s ease;
    text-decoration: none;
    color: inherit;
}

.project-card:hover {
    box-shadow: 0 8px 30px rgba(166, 124, 82, 0.12);
    border-color: #BF9D7A;
}

.project-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}

.project-number {
    font-size: 0.8rem;
    color: #A67C52;
    font-weight: 600;
    background: #F5F1E8;
    padding: 0.4rem 0.8rem;
    border-radius: 10px;
    border: 1px solid #E8DFD0;
}

.project-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 0.8rem;
    color: #2C2C2C;
    line-height: 1.3;
}

.project-page {
    padding: 2rem 0;
    min-height: 80vh;
    display: flex;
    align-items: center;
}

.project-container {
    text-align: center;
    max-width: 600px;
    width: 100%;
    margin: 0 auto;
}

.project-container h1 {
    color: #2C2C2C;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.project-container h2 {
    color: #2C2C2C;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

form {
    margin: 2rem 0;
    display: flex;
    align-items: center;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

input[type="text"], input[type="number"] {
    padding: 0.8rem;
    border: 1px solid #E8DFD0;
    border-radius: 6px;
    width: 200px;
    text-align: center;
    font-size: 1rem;
}

button {
    padding: 0.7rem 1.2rem;
    background: #A67C52;
    color: white;
    font-size: 1rem;
    border: none;
    border-radius: 6px;
}

button:hover {
    background: #8C6A45;
}

span {
    font-size: 1.1rem;
}

.result {
    color: #A67C52;
    font-weight: 600;
    min-width: 40px;
}

/* Стили для ссылки "Назад к проектам" */
.back-link {
    color: #A67C52;
    text-decoration: underline;
    display: inline-block;
    margin-top: 2rem;
    transition: color 0.3s ease;
    font-weight: 500;
}

.back-link:hover {
    color: #8C6A45;
}

.tech-grid {
    display: grid;
    gap: 20px;
    justify-content: center;
}

.tech-card {
    background: #FDFBF7;
    border: 1px solid #F0E9DD;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 4px 20px rgba(166, 124, 82, 0.08);
    text-decoration: none;
    color: inherit;
    text-align: center;
}

.tech-card:hover {
    box-shadow: 0 8px 30px rgba(166, 124, 82, 0.12);
    border-color: #BF9D7A;
}

.tech-card h2 {
    color: #2C2C2C;
    margin: 0;
    font-size: 1.2rem;
}

footer {
    background: #F5F1E8;
    border-top: 1px solid #E8DFD0;
    color: #8C8C8C;
    font-size: 0.875rem;
    padding: 2rem 0;
    text-align: center;
    margin-top: auto;
}

/* Проект 4 */
.dropdown-section, .local-storage-section {
    background: white;
    border: 1px solid #E8DFD0;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
}

.input-row {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.input-row input {
    flex: 1;
    padding: 0.7rem;
    border: 1px solid #E8DFD0;
    border-radius: 6px;
    font-size: 1rem;
}

select {
     width: 100%;
     padding: 0.7rem;
     border: 1px solid #E8DFD0;
     border-radius: 6px;
     font-size: 1rem;
}

#counter {
     font-size: 2.5rem;
     color: #A67C52;
     font-weight: 600;
     margin: 1rem 0;
}

.local-storage-section {
     text-align: center;
}

/* Проект 6 */ 
.auth-input {
    width: 100%;
    padding: 12px;
    border: 1px solid #E8DFD0;
    border-radius: 6px;
    font-size: 16px;
}

.auth-btn {
    width: 100%;
    padding: 12px;
    background: #A67C52;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 16px;
    margin-top: 15px;
}

.error-box {
    color: #e74c3c;
    text-align: center;
    margin-top: 10px;
}

.form-row {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
}

.form-row label {
    width: 80px;
    font-weight: 500;
    color: #2C2C2C;
}

.form-row input {
    flex: 1;
    margin-left: 10px;
}

.tech-card {
    background: #FDFBF7;
    border: 1px solid #F0E9DD;
    margin-bottom: 15px;
}

/* Project 7 */
.currency-buttons {
    display: flex;
    gap: 1rem;
    margin: 2rem 0;
}

.currency-btn {
    flex: 1;
    padding: 1rem;
    background: #A67C52;
    color: white;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    cursor: pointer;
}

.currency-btn:hover {
    background: #8C6A45;
}

.result-card {
    min-height: 120px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.error {
    color: #e74c3c;
}

.rate-value {
    font-size: 2rem;
    color: #A67C52;
    font-weight: 600;
}

.rate-info {
    color: #5A5A5A;
    margin-top: 0.5rem;
}

.result-card h2 {
    color: #2C2C2C;
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}