/* ========== BASE ========== */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

:root {
    /* Colors */
    --primary-color: #a855f7;
    --secondary-color: #ec4899;
    --bg-color: #0f0b1a;
    --bg-secondary: #1a1329;
    --bg-tertiary: #251b3d;
    --text-color: #e4dff7;
    --text-secondary: #b39ddb;
    --card-bg: rgba(26, 19, 41, 0.8);
    --border-color: rgba(168, 85, 247, 0.2);
    
    /* Typography */
    --body-font: 'Poppins', sans-serif;
    --h1-size: 3rem;
    --h2-size: 2.25rem;
    --h3-size: 1.5rem;
    --normal-size: 1rem;
    --small-size: 0.875rem;
    
    /* Spacing */
    --header-height: 4rem;
    --section-padding: 5rem 0;
    --container-width: 1200px;
    
    /* Transitions */
    --transition: all 0.3s ease;
    
    /* Shadows */
    --box-shadow: 0 10px 40px rgba(168, 85, 247, 0.3);
    --glow-shadow: 0 0 20px rgba(168, 85, 247, 0.4);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--body-font);
    background-color: var(--bg-color);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

ul {
    list-style: none;
}

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

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

/* ========== UTILITIES ========== */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: var(--section-padding);
    position: relative;
}

.section__title {
    font-size: var(--h2-size);
    text-align: center;
    margin-bottom: 3rem;
    position: relative;
    display: inline-block;
    left: 50%;
    transform: translateX(-50%);
}

.section__title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
    border-radius: 2px;
}

.button {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--bg-color);
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    box-shadow: var(--glow-shadow);
}

.button:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(168, 85, 247, 0.6);
}

.button--flex {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

/* ========== HEADER & NAVIGATION ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(15, 11, 26, 0.95);
    backdrop-filter: blur(10px);
    z-index: 100;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
    transition: var(--transition);
}

.header.scroll-header {
    background: rgba(15, 11, 26, 0.98);
    box-shadow: 0 2px 30px rgba(168, 85, 247, 0.3);
}

.nav {
    height: var(--header-height);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav__logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav__list {
    display: flex;
    gap: 2rem;
}

.nav__link {
    color: var(--text-color);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 0.5rem 0;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav__link:hover::after,
.nav__link.active-link::after {
    width: 100%;
}

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

.nav__toggle,
.nav__close {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}

/* ========== HOME SECTION ========== */
.home {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: var(--header-height);
}

.home__container {
    position: relative;
    z-index: 2;
}

.home__data {
    max-width: 600px;
    animation: fadeInUp 1s ease;
}

.home__greeting {
    font-size: var(--normal-size);
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    display: block;
}

.home__name {
    font-size: var(--h1-size);
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: glow 2s ease-in-out infinite alternate;
}

.home__profession {
    font-size: var(--h3-size);
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.home__description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.home__social {
    display: flex;
    gap: 1.5rem;
    margin-top: 3rem;
}

.home__social-link {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--card-bg);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    transition: var(--transition);
}

.home__social-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--glow-shadow);
}

/* Parallax Background */
.home__parallax {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.parallax-layer {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

.layer-1 {
    width: 400px;
    height: 400px;
    background: var(--primary-color);
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.layer-2 {
    width: 300px;
    height: 300px;
    background: var(--secondary-color);
    top: 60%;
    right: 10%;
    animation-delay: 2s;
}

.layer-3 {
    width: 200px;
    height: 200px;
    background: var(--primary-color);
    bottom: 10%;
    left: 50%;
    animation-delay: 4s;
}

/* ========== ABOUT SECTION ========== */
.about {
    background: var(--bg-secondary);
}

.about__content {
    max-width: 1000px;
    margin: 0 auto;
}

.about__description {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 3rem;
    line-height: 1.8;
}

.about__skills {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.skill__item {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    animation: fadeInUp 1s ease;
}

.skill__item:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--glow-shadow);
}

.skill__item i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.skill__item h3 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.skill__item p {
    color: var(--text-secondary);
    font-size: var(--small-size);
}

/* ========== PROJECTS SECTION ========== */
.projects__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.project__card {
    background: var(--card-bg);
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    transition: var(--transition);
    animation: fadeInUp 1s ease;
}

.project__card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow);
    border-color: var(--primary-color);
}

.project__image {
    position: relative;
    overflow: hidden;
    height: 250px;
}

.project__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.project__card:hover .project__image img {
    transform: scale(1.1);
}

.project__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.project__card:hover .project__overlay {
    opacity: 1;
}

.project__button {
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: var(--bg-color);
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

.project__button:hover {
    transform: scale(1.1);
    box-shadow: var(--glow-shadow);
}

.project__content {
    padding: 1.5rem;
}

.project__title {
    margin-bottom: 0.75rem;
    font-size: 1.3rem;
}

.project__description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-size: var(--small-size);
}

.project__tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag {
    padding: 0.25rem 0.75rem;
    background: rgba(168, 85, 247, 0.1);
    color: var(--primary-color);
    border-radius: 20px;
    font-size: 0.75rem;
    border: 1px solid rgba(168, 85, 247, 0.3);
}

/* ========== DOWNLOADS SECTION ========== */
.downloads {
    background: var(--bg-secondary);
}

.downloads__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.download__card {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
    text-align: center;
    transition: var(--transition);
    animation: fadeInUp 1s ease;
}

.download__card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
    box-shadow: var(--glow-shadow);
}

.download__icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: rgba(168, 85, 247, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--primary-color);
    border: 2px solid rgba(168, 85, 247, 0.3);
}

.download__title {
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.download__description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: var(--small-size);
}

.download__button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--bg-color);
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
}

.download__button:hover {
    transform: scale(1.05);
    box-shadow: var(--glow-shadow);
}

/* ========== CONTACT SECTION ========== */
.contact__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    align-items: start;
}

.contact__subtitle {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.contact__description {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.contact__details {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact__detail {
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--text-secondary);
}

.contact__detail i {
    width: 40px;
    height: 40px;
    background: rgba(168, 85, 247, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* Contact Form */
.contact__form {
    background: var(--card-bg);
    padding: 2rem;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}

.form__group {
    position: relative;
    margin-bottom: 2rem;
}

.form__input {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid var(--border-color);
    border-radius: 10px;
    color: var(--text-color);
    font-family: var(--body-font);
    font-size: var(--normal-size);
    transition: var(--transition);
}

.form__input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 10px rgba(168, 85, 247, 0.3);
}

.form__textarea {
    min-height: 150px;
    resize: vertical;
}

.form__label {
    position: absolute;
    left: 1rem;
    top: 1rem;
    color: var(--text-secondary);
    transition: var(--transition);
    pointer-events: none;
}

.form__input:focus ~ .form__label,
.form__input:not(:placeholder-shown) ~ .form__label {
    top: -0.75rem;
    left: 0.75rem;
    font-size: var(--small-size);
    color: var(--primary-color);
    background: var(--card-bg);
    padding: 0 0.5rem;
}

.form__message {
    margin-top: 1rem;
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    display: none;
}

.form__message.success {
    display: block;
    background: rgba(168, 85, 247, 0.1);
    color: var(--primary-color);
    border: 1px solid rgba(168, 85, 247, 0.3);
}

.form__message.error {
    display: block;
    background: rgba(255, 0, 0, 0.1);
    color: #ff4444;
    border: 1px solid rgba(255, 0, 0, 0.3);
}

/* Honeypot verstecken (zusätzliche Sicherheit) */
input[name="website"] {
    position: absolute !important;
    left: -9999px !important;
    width: 1px !important;
    height: 1px !important;
}

/* ========== FOOTER ========== */
.footer {
    background: var(--bg-secondary);
    padding: 3rem 0 1.5rem;
    border-top: 1px solid var(--border-color);
}

.footer__content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer__title {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer__description {
    color: var(--text-secondary);
    font-size: var(--small-size);
}

.footer__links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer__link {
    color: var(--text-secondary);
    transition: var(--transition);
    font-size: var(--small-size);
}

.footer__link:hover {
    color: var(--primary-color);
    padding-left: 0.5rem;
}

.footer__social {
    display: flex;
    gap: 1rem;
}

.footer__social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(168, 85, 247, 0.1);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.footer__social-link:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-3px);
    box-shadow: var(--glow-shadow);
}

.footer__bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
}

.footer__copy {
    color: var(--text-secondary);
    font-size: var(--small-size);
}

/* ========== SCROLL UP ========== */
.scrollup {
    position: fixed;
    right: 2rem;
    bottom: -30%;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--bg-color);
    font-size: 1.5rem;
    z-index: 10;
    transition: var(--transition);
    box-shadow: var(--glow-shadow);
}

.scrollup:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(168, 85, 247, 0.6);
}

.show-scroll {
    bottom: 3rem;
}

/* ========== ANIMATIONS ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    50% {
        transform: translateY(-20px) translateX(20px);
    }
}

@keyframes glow {
    from {
        text-shadow: 0 0 10px rgba(168, 85, 247, 0.5);
    }
    to {
        text-shadow: 0 0 20px rgba(168, 85, 247, 0.8), 0 0 30px rgba(236, 72, 153, 0.6);
    }
}

/* ========== RESPONSIVE ========== */
@media screen and (max-width: 968px) {
    :root {
        --h1-size: 2.25rem;
        --h2-size: 1.75rem;
        --h3-size: 1.25rem;
    }

    .container {
        padding: 0 1.5rem;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background: rgba(15, 11, 26, 0.98);
        backdrop-filter: blur(10px);
        padding: 6rem 2rem 2rem;
        transition: var(--transition);
        box-shadow: -2px 0 20px rgba(168, 85, 247, 0.3);
    }

    .nav__menu.show-menu {
        right: 0;
    }

    .nav__list {
        flex-direction: column;
        gap: 2rem;
    }

    .nav__link {
        font-size: 1.2rem;
    }

    .nav__toggle,
    .nav__close {
        display: block;
    }

    .nav__close {
        position: absolute;
        top: 1.5rem;
        right: 2rem;
        font-size: 2rem;
    }

    .home__social {
        justify-content: center;
    }
}

@media screen and (max-width: 576px) {
    .section {
        padding: 3rem 0;
    }

    .home__name {
        font-size: 2rem;
    }

    .projects__grid,
    .downloads__grid {
        grid-template-columns: 1fr;
    }

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

    .footer__content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__social {
        justify-content: center;
    }
}