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

body {
    font-family: 'Inter', sans-serif;
    background: #000;
    color: #fff;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: #fff;
    z-index: 999;
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.boxed {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 20px;
}

.flex {
    display: flex;
}

.aligncenter {
    align-items: center;
}

.space-between {
    justify-content: space-between;
}

.header-logo img {
    width: 90px;
    height: auto;
}

.header-menu {
    display: flex;
    list-style: none;
    gap: 10px;
}

.header-menu li a {
    text-decoration: none;
    color: #000;
    padding: 10px 20px;
    transition: all 0.3s ease;
    border-radius: 5px;
}

.header-menu li a:hover {
    background-color: #000;
    color: #fff;
}

.header-menu-mobile {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
}

/* Hero Section */
.slider {
    width: 100%;
    min-height: 60vh;
    background: #000;
    position: relative;
    margin-top: 70px;
}

.slider-background {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(30%);
    position: absolute;
    top: 0;
    left: 0;
}

.slider-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 2;
}

.slider-content h1 {
    color: #fff;
    font-size: 4rem;
    margin-bottom: 10px;
}

.slider-content p {
    color: #fff;
    font-size: 1.5rem;
    font-weight: 300;
}

/* Section */
.section {
    padding: 80px 0;
}

.section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    text-align: center;
}

.section-intro {
    text-align: center;
    font-size: 1.2rem;
    color: #ccc;
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Skills Category */
.skills-category {
    margin-bottom: 60px;
}

.category-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #333;
}

.category-icon {
    font-size: 2.5rem;
    color: #fff;
}

.category-title {
    font-size: 2rem;
    font-weight: 600;
}

/* Skills Grid */
.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.skill-card {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border-radius: 15px;
    padding: 25px;
    transition: all 0.3s ease;
    border: 1px solid #333;
    position: relative;
    overflow: hidden;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 255, 255, 0.2);
    border-color: #fff;
}

.skill-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.skill-name {
    font-size: 1.3rem;
    font-weight: 600;
    color: #fff;
}

.skill-level {
    background: rgba(255, 255, 255, 0.2);
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.skill-description {
    color: #ccc;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 15px;
}

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

.skill-tag {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* Contact Section */
.section.contact {
    background: #0a0a0a;
    border-top: 1px solid #333;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.contact-item {
    border: 2px dashed #fff;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
}

.contact-item:hover {
    border-style: solid;
    background: rgba(255,255,255,0.05);
    border-color: #fff;
}

.contact-item .material-symbols-outlined {
    font-size: 3rem;
    display: block;
    margin-bottom: 15px;
}

.contact-item .label {
    font-weight: 700;
    text-transform: uppercase;
    margin: 10px 0;
    font-size: 1.2rem;
}

.contact-item .value {
    font-size: 1rem;
    color: #ccc;
}

.contact-item a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.contact-item a:hover {
    color: #ccc;
    text-decoration: underline;
}

/* Navigation Buttons */
.navigation-buttons {
    text-align: center;
    margin-top: 40px;
    padding: 30px 0;
    border-top: 1px solid #333;
}

.navigation-buttons button {
    padding: 15px 30px;
    margin: 0 10px;
    font-size: 1.1rem;
    font-weight: 600;
    color: #fff;
    background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 100%);
    border: 2px solid #fff;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.navigation-buttons button:hover {
    background: #fff;
    color: #000;
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(255, 255, 255, 0.3);
}

/* Responsive */
@media(max-width: 810px) {
    .header-menu {
        display: none;
    }

    .header-menu-mobile {
        display: block;
    }

    .slider-content h1 {
        font-size: 2.5rem;
    }

    .section h2 {
        font-size: 2rem;
    }

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

    .category-header {
        flex-direction: column;
        text-align: center;
    }

    .navigation-buttons button {
        display: block;
        width: 90%;
        margin: 10px auto;
    }
}