:root {
    --bg-deep: #05070a;
    --bg-nebula: #0d1117;
    --glow-cyan: #0fffd2;
    --glow-purple: #ae0fff;
    --glow-magenta: #ff0fe2;
    --text-main: #ffffff;
    --text-secondary: #b0b8c4;
    --gradient-neon: linear-gradient(45deg, var(--glow-cyan), var(--glow-purple), var(--glow-magenta));
    --transition-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Poppins', sans-serif;
    scroll-behavior: smooth;
}

html, body {
    overflow-x: hidden;
}

body {
    background-color: var(--bg-deep);
    color: var(--text-main);
    line-height: 1.6;
    background-image:
        radial-gradient(white, rgba(255,255,255,.2) 2px, transparent 40px),
        radial-gradient(white, rgba(255,255,255,.15) 1px, transparent 30px),
        radial-gradient(white, rgba(255,255,255,.1) 2px, transparent 40px);
    background-size: 550px 550px, 350px 350px, 250px 250px;
    background-position: 0 0, 40px 60px, 130px 270px;
}

h1, h2, h3, h4, .nav-logo {
    font-family: 'Orbitron', sans-serif;
    letter-spacing: 1px;
    text-transform: uppercase;
}

h2.section-title {
    font-size: 2.8rem;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 15px rgba(174, 15, 255, 0.5);
}

nav {
    background-color: rgba(13, 17, 23, 0.85);
    backdrop-filter: blur(15px);
    position: fixed;
    width: 100%;
    top: 0;
    padding: 15px 5%;
    z-index: 1000;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid rgba(174, 15, 255, 0.3);
    box-shadow: 0 5px 20px rgba(13, 17, 23, 0.5);
}

.nav-logo {
    font-size: 1.6rem;
    color: var(--text-main);
    text-decoration: none;
    text-shadow: 0 0 10px var(--glow-cyan);
}

.nav-logo span {
    color: var(--glow-purple);
    text-shadow: 0 0 10px var(--glow-purple);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 25px;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 600;
    transition: color var(--transition-speed);
    text-transform: uppercase;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--glow-cyan);
    text-shadow: 0 0 8px var(--glow-cyan);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: transparent;
    border: 0;
    cursor: pointer;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--text-main);
    display: block;
    transition: 0.3s;
}

header {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 5%;
    background: radial-gradient(circle at center, rgba(26, 35, 50, 0.8) 0%, var(--bg-deep) 70%);
    margin-top: 60px;
}

header h1 {
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 20px;
    background: linear-gradient(to right, #ffffff, var(--glow-cyan), #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 25px rgba(15, 255, 210, 0.6);
}

.hero-subtitle {
    font-size: 1.4rem;
    color: var(--text-secondary);
    max-width: 700px;
    margin-bottom: 50px;
}

.hero-tags {
    display: flex;
    gap: 15px;
    margin-bottom: 60px;
    flex-wrap: wrap;
    justify-content: center;
}

.hero-tag {
    padding: 10px 20px;
    border: 1px solid rgba(174, 15, 255, 0.5);
    border-radius: 30px;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    color: var(--text-main);
    text-transform: uppercase;
    background: rgba(13, 17, 23, 0.6);
    backdrop-filter: blur(5px);
}

.hero-tag.prog { border-color: var(--glow-cyan); text-shadow: 0 0 5px var(--glow-cyan); box-shadow: 0 0 10px rgba(15, 255, 210, 0.2); }
.hero-tag.edit { border-color: var(--glow-purple); text-shadow: 0 0 5px var(--glow-purple); box-shadow: 0 0 10px rgba(174, 15, 255, 0.2); }
.hero-tag.graf { border-color: var(--glow-magenta); text-shadow: 0 0 5px var(--glow-magenta); box-shadow: 0 0 10px rgba(255, 15, 226, 0.2); }

.btn-galaxy {
    display: inline-block;
    padding: 18px 45px;
    background: transparent;
    color: var(--text-main);
    text-decoration: none;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    text-transform: uppercase;
    border: 3px solid var(--glow-purple);
    border-radius: 50px;
    transition: background var(--transition-speed), box-shadow var(--transition-speed), transform var(--transition-speed);
    box-shadow: 0 0 15px rgba(174, 15, 255, 0.4);
}

.btn-galaxy:hover {
    background: rgba(174, 15, 255, 0.2);
    box-shadow: 0 0 30px rgba(174, 15, 255, 0.8);
    transform: scale(1.05);
}

section {
    padding: 120px 5%;
    max-width: 1300px;
    margin: 0 auto;
}

#chi-sono {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: center;
}

.profile-container {
    width: 100%;
    aspect-ratio: 1;
    background-color: var(--bg-deep);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    border: 4px solid var(--glow-purple);
    box-shadow: 0 0 30px rgba(174, 15, 255, 0.6);
    color: var(--text-secondary);
    font-size: 4rem;
}


.profile-media {
    overflow: hidden;
    position: relative;
    isolation: isolate;
}

.profile-media::before {
    content: "";
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 50% 12%, rgba(15, 255, 210, 0.18), transparent 34%),
        radial-gradient(circle at 50% 85%, rgba(174, 15, 255, 0.28), transparent 42%);
    z-index: 1;
    pointer-events: none;
}

.profile-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transform: scale(1.04);
    filter: saturate(1.08) contrast(1.03) brightness(0.9);
}

.profile-title {
    text-align: center;
    margin-bottom: 30px;
}

.bio-text {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.bio-highlight {
    font-weight: 700;
    color: var(--glow-cyan);
    text-shadow: 0 0 5px var(--glow-cyan);
}

.galaxy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.galaxy-card {
    padding: 40px;
    background: rgba(13, 17, 23, 0.8);
    border: 1px solid rgba(174, 15, 255, 0.3);
    border-radius: 15px;
    transition: border-color 0.3s, box-shadow 0.3s, transform 0.3s;
}

.galaxy-card:hover {
    border-color: var(--glow-cyan);
    box-shadow: 0 10px 30px rgba(15, 255, 210, 0.3);
    transform: translateY(-5px);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--glow-purple);
    text-shadow: 0 0 10px var(--glow-purple);
}

.galaxy-card h4 {
    margin-bottom: 15px;
    font-size: 1.3rem;
    color: var(--text-main);
}

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

.contact-container {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
}

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

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 50px;
    text-align: left;
    width: 100%;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    width: 100%;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 16px;
    background-color: var(--bg-deep);
    border: 1px solid rgba(174, 15, 255, 0.3);
    border-radius: 8px;
    color: var(--text-main);
    font-size: 0.95rem;
    transition: border-color 0.3s, box-shadow 0.3s;
    font-family: 'Poppins', sans-serif;
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--glow-cyan);
    box-shadow: 0 0 10px rgba(15, 255, 210, 0.3);
}

.custom-select-wrapper {
    position: relative;
    user-select: none;
    width: 100%;
}

.custom-select {
    position: relative;
    padding: 16px;
    background-color: var(--bg-deep);
    border: 1px solid rgba(174, 15, 255, 0.3);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.95rem;
    cursor: pointer;
    transition: all 0.3s;
}

.custom-select:hover {
    border-color: rgba(174, 15, 255, 0.8);
}

.custom-select.open {
    border-color: var(--glow-cyan);
    box-shadow: 0 0 10px rgba(15, 255, 210, 0.3);
    color: var(--text-main);
}

.custom-select::after {
    content: '▼';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.8rem;
    color: var(--glow-purple);
    transition: transform 0.3s;
}

.custom-select.open::after {
    transform: translateY(-50%) rotate(180deg);
    color: var(--glow-cyan);
    text-shadow: 0 0 5px var(--glow-cyan);
}

.custom-options {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: rgba(13, 17, 23, 0.95);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glow-cyan);
    border-radius: 8px;
    margin-top: 5px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.8);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s ease;
    z-index: 10;
    overflow: hidden;
}

.custom-select.open + .custom-options {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.custom-option {
    padding: 15px 20px;
    color: var(--text-secondary);
    cursor: pointer;
    border-bottom: 1px solid rgba(174, 15, 255, 0.1);
    transition: all 0.2s;
}

.custom-option:last-child {
    border-bottom: none;
}

.custom-option:hover,
.custom-option.selected {
    background-color: rgba(15, 255, 210, 0.1);
    color: var(--glow-cyan);
    text-shadow: 0 0 5px rgba(15, 255, 210, 0.5);
    padding-left: 25px;
}

.contact-form button {
    width: 100%;
    padding: 18px;
    background: transparent;
    color: var(--text-main);
    border: 2px solid var(--glow-cyan);
    border-radius: 50px;
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: 0.3s;
    text-transform: uppercase;
    font-family: 'Orbitron', sans-serif;
    text-shadow: 0 0 5px var(--glow-cyan);
    margin-top: 10px;
    box-shadow: 0 0 10px rgba(15,255,210,0.2);
}

.contact-form button:hover:not(:disabled) {
    background: rgba(15, 255, 210, 0.2);
    box-shadow: 0 0 30px rgba(15, 255, 210, 0.7);
    transform: scale(1.02);
}

.contact-form button:disabled {
    opacity: 0.7;
    cursor: wait;
}

.toast {
    position: fixed;
    right: 20px;
    bottom: 20px;
    padding: 14px 18px;
    border-radius: 12px;
    background: rgba(13, 17, 23, 0.96);
    border: 1px solid rgba(174, 15, 255, 0.4);
    color: var(--text-main);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
    transition: 0.3s ease;
    z-index: 1500;
    max-width: 360px;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
}

.toast.success {
    border-color: rgba(15, 255, 210, 0.6);
    box-shadow: 0 0 18px rgba(15, 255, 210, 0.2);
}

.toast.error {
    border-color: rgba(255, 15, 226, 0.6);
    box-shadow: 0 0 18px rgba(255, 15, 226, 0.18);
}

footer {
    text-align: center;
    padding: 50px 5%;
    border-top: 1px solid rgba(174, 15, 255, 0.3);
    color: var(--text-secondary);
    font-size: 0.85rem;
}

.social-links {
    display: flex;
    justify-content: center;
    gap: 30px;
    margin-bottom: 25px;
    flex-wrap: wrap;
}

.social-links a {
    color: var(--glow-purple);
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: 0.3s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-size: 0.95rem;
    padding: 12px 18px;
    border: 1px solid rgba(174, 15, 255, 0.28);
    border-radius: 999px;
    background: rgba(13, 17, 23, 0.62);
    box-shadow: inset 0 0 0 1px rgba(255,255,255,0.02), 0 0 16px rgba(174, 15, 255, 0.08);
}

.social-links a i {
    font-size: 1.3rem;
}

.social-links a:hover {
    color: var(--glow-cyan);
    text-shadow: 0 0 8px var(--glow-cyan);
    transform: translateY(-3px);
    border-color: rgba(15, 255, 210, 0.45);
    box-shadow: 0 0 20px rgba(15, 255, 210, 0.18), 0 0 36px rgba(174, 15, 255, 0.12);
}

@media (max-width: 1000px) {
    #chi-sono {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }

    .profile-container {
        width: 50%;
        max-width: 300px;
        margin: 0 auto;
    }

    .bio-text {
        text-align: justify;
    }

    h2.section-title {
        font-size: 2.4rem;
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 3.2rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        padding: 0 10px;
    }

    .hero-tags {
        flex-direction: column;
        width: 100%;
        align-items: center;
        gap: 10px;
    }

    .hero-tag {
        width: 80%;
        max-width: 250px;
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: rgba(13, 17, 23, 0.96);
        flex-direction: column;
        gap: 0;
        display: none;
        border-bottom: 1px solid rgba(174, 15, 255, 0.3);
    }

    .nav-links.open {
        display: flex;
    }

    .nav-links li {
        border-top: 1px solid rgba(174, 15, 255, 0.12);
    }

    .nav-links a {
        display: block;
        padding: 16px 5%;
    }

    section {
        padding: 80px 5%;
    }

    .social-links {
        gap: 20px;
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    header h1 {
        font-size: 2.3rem;
    }

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

    .btn-galaxy {
        padding: 15px 30px;
        font-size: 0.85rem;
        width: 100%;
    }

    .galaxy-card {
        padding: 30px 20px;
    }

    .contact-form {
        margin-top: 30px;
    }

    .profile-container {
        width: 70%;
    }

    .toast {
        left: 16px;
        right: 16px;
        max-width: none;
    }
}