/* ===============================================
   GLOBAL STYLES
   =============================================== */

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

:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e74c3c;
    --light-bg: #ecf0f1;
    --white: #ffffff;
    --dark-text: #2c3e50;
    --light-text: #7f8c8d;
    --success-color: #27ae60;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-text);
    background-color: #f5f5f5;
}

/* ===============================================
   HEADER & NAVIGATION
   =============================================== */

header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 1rem 0;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-title {
    font-size: 1.8rem;
    font-weight: bold;
    text-decoration: none;
    color: var(--white);
    transition: transform 0.3s;
}

.site-title:hover {
    transform: scale(1.05);
}

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
}

nav a {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

nav a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

nav a:hover::after {
    width: 100%;
}

/* ===============================================
   MAIN CONTAINER
   =============================================== */

main {
    max-width: 1200px;
    margin: 2rem auto;
    padding: 0 20px;
    min-height: calc(100vh - 200px);
}

/* ===============================================
   HERO SECTION
   =============================================== */

.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: var(--white);
    padding: 4rem 2rem;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 2rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.2rem;
    opacity: 0.9;
}

.hero-image {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    margin: 1rem auto;
    border: 4px solid var(--white);
    display: block;
}

/* ===============================================
   CONTENT SECTIONS
   =============================================== */

section {
    background: var(--white);
    padding: 2rem;
    margin-bottom: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

section h2 {
    color: var(--primary-color);
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    border-bottom: 3px solid var(--secondary-color);
    padding-bottom: 0.5rem;
}

section h3 {
    color: var(--secondary-color);
    font-size: 1.3rem;
    margin: 1.5rem 0 0.5rem 0;
}

/* ===============================================
   GRID LAYOUTS
   =============================================== */

.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.card {
    background: var(--light-bg);
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.3s ease;
    border-left: 4px solid var(--secondary-color);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.card p {
    color: var(--light-text);
    font-size: 0.95rem;
}

/* ===============================================
   PORTFOLIO CARDS
   =============================================== */

.portfolio-card {
    background: var(--white);
    border: 2px solid var(--light-bg);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.portfolio-card:hover {
    border-color: var(--secondary-color);
    box-shadow: 0 5px 15px rgba(52, 152, 219, 0.2);
}

.portfolio-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--secondary-color), var(--primary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--white);
}

.portfolio-content {
    padding: 1.5rem;
}

.portfolio-content h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.portfolio-buttons {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

/* ===============================================
   BUTTONS
   =============================================== */

.btn {
    display: inline-block;
    padding: 0.8rem 1.5rem;
    background-color: var(--secondary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    transition: all 0.3s ease;
    border: 2px solid var(--secondary-color);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
}

.btn:hover {
    background-color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
}

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

.btn-secondary:hover {
    background-color: #c0392b;
    border-color: #c0392b;
}

.btn-success {
    background-color: var(--success-color);
    border-color: var(--success-color);
}

.btn-success:hover {
    background-color: #229954;
    border-color: #229954;
}

/* ===============================================
   FORMS
   =============================================== */

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

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

label {
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--primary-color);
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="date"],
textarea,
select {
    padding: 0.8rem;
    border: 2px solid var(--light-bg);
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
    transition: all 0.3s ease;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
input[type="date"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--secondary-color);
    background-color: #f9f9f9;
}

textarea {
    resize: vertical;
    min-height: 120px;
}

/* ===============================================
   EDITABLE RESUME
   =============================================== */

.resume-section {
    margin-bottom: 2rem;
}

.resume-item {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--light-bg);
}

.resume-item:last-child {
    border-bottom: none;
}

.resume-item h4 {
    color: var(--primary-color);
    font-size: 1.1rem;
    margin-bottom: 0.3rem;
}

.resume-item .meta {
    color: var(--light-text);
    font-size: 0.9rem;
    font-style: italic;
    margin-bottom: 0.5rem;
}

.resume-item p {
    color: var(--dark-text);
}

.edit-btn {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 0.5rem 1rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    margin-top: 1rem;
}

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

[contenteditable="true"] {
    background-color: #fffacd;
    padding: 0.5rem;
    border-radius: 3px;
}

[contenteditable="true"]:focus {
    outline: 2px solid var(--secondary-color);
}

/* ===============================================
   SKILLS
   =============================================== */

.skill-item {
    margin-bottom: 1rem;
}

.skill-name {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.3rem;
    font-weight: 600;
}

.skill-bar {
    background-color: var(--light-bg);
    height: 8px;
    border-radius: 4px;
    overflow: hidden;
}

.skill-progress {
    background: linear-gradient(90deg, var(--secondary-color), var(--primary-color));
    height: 100%;
    transition: width 0.3s ease;
}

/* ===============================================
   FOOTER
   =============================================== */

footer {
    background-color: var(--primary-color);
    color: var(--white);
    text-align: center;
    padding: 2rem;
    margin-top: 3rem;
}

footer p {
    margin-bottom: 0.5rem;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 1rem;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--light-bg);
    text-decoration: none;
    transition: color 0.3s;
}

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

/* ===============================================
   RESPONSIVE DESIGN
   =============================================== */

@media (max-width: 768px) {
    .header-container {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        gap: 1rem;
        justify-content: center;
    }

    .hero {
        padding: 2rem 1rem;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    section {
        padding: 1.5rem 1rem;
    }

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

    .portfolio-buttons {
        flex-direction: column;
    }

    .btn {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.5rem;
    }

    section h2 {
        font-size: 1.3rem;
    }

    nav ul {
        gap: 0.5rem;
        font-size: 0.9rem;
    }
}

/* ===============================================
   UTILITY CLASSES
   =============================================== */

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

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

.mt-2 {
    margin-top: 1rem;
}

.mt-3 {
    margin-top: 1.5rem;
}

.mb-2 {
    margin-bottom: 1rem;
}

.mb-3 {
    margin-bottom: 1.5rem;
}

.gap-1 {
    gap: 0.5rem;
}

.gap-2 {
    gap: 1rem;
}

.rounded {
    border-radius: 8px;
}

.shadow {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

/* ===============================================
   PRIVACY TOGGLE STYLES (ABOUT PAGE)
   =============================================== */

.section-header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.btn-privacy {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
    color: var(--white);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.2rem;
    font-size: 0.95rem;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.btn-privacy:hover {
    background-color: #c0392b;
    border-color: #c0392b;
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(231, 76, 60, 0.3);
}

.btn-privacy.btn-hidden-active {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.btn-privacy.btn-hidden-active:hover {
    background-color: #2980b9;
    border-color: #2980b9;
    box-shadow: 0 4px 10px rgba(52, 152, 219, 0.3);
}

.private-info {
    transition: all 0.3s ease;
}

.private-info.is-hidden {
    color: var(--light-text);
    letter-spacing: 2px;
    font-weight: bold;
    user-select: none;
}