* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: #111111;
    color: #fff;
    overflow-x: hidden;
    scroll-behavior: smooth;
    min-height: calc(var(--vh, 1vh) * 100);
}

/* OVERLAY & BACKGROUND */
.overlay {
    position: relative;
    width: 100%;
    min-height: calc(var(--vh, 1vh) * 100);
    z-index: 1;
}

#vanta-bg {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 0;
}

/* HEADER */
header {
    text-align: center;
    padding: 4rem 1rem;
}

header h1 {
    font-size: 2.8rem;
    font-weight: bold;
    color: #ffffff;
}

header p {
    font-size: 1.2rem;
    color: #bdbdbd;
}

/* CARD */
.card {
    background: #1c1c1c !important;
    border: none;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.15);
    transition: transform 0.25s, box-shadow 0.25s;
}

.card:hover {
    transform: translateY(-15px);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.25);
}

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

/* CARD CONTENT */
.card-body {
    padding: 1.2rem;
    padding-top: 0.6rem;
}

.card-title {
    font-size: 1.3rem;
    color: #fff;
}

.card-text {
    font-size: 0.95rem;
    color: #bbb;
}

.card-text.truncated {
    overflow: hidden;
    text-overflow: ellipsis;
    display: block;
    max-height: 4.5em;
    line-height: 1.5em;
}

/* FLIP CARD */
.flip-card {
    width: 300px;
    height: 300px;
    perspective: 1000px;
    margin: auto;
    background-color: transparent;
}

.flip-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.6s;
    transform-style: preserve-3d;
    transform: rotateY(0deg);
}

.flip-card-inner.flipped {
    transform: rotateY(180deg);
}

.flip-card:hover .flip-card-inner {
    transform: rotateY(180deg);
}

.flip-card-front,
.flip-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flip-card-front img,
.flip-card-back img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
}

.flip-card-back {
    transform: rotateY(180deg);
}

/* BUTTON BACK TO TOP */
.top-button-up {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    background: linear-gradient(135deg, #000000, #444444);
    color: #ffffff;
    transition: background-color 0.1s ease, transform 0.2s ease;
    border-radius: 50%;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.2);
}

.top-button-up:hover {
    background: linear-gradient(135deg, #4f4f4f, #000000);
    transform: translateY(-4px);
    color: #ffffff;
}

/* BANNER */
.banner-card {
    padding-top: 4rem;
}

.banner {
    width: 100%;
    height: 300px;
    background-image: url('img/banner.png');
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #0D0D0E;
    border-radius: 18px;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.15);
    transition: transform 0.25s, box-shadow 0.25s;
}

.banner:hover {
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.25);
    transform: scale(1.05);
}

/* BUTTONS */
.read-more-btn {
    transition: transform 0.2s, color 0.2s;
    font-size: 1rem;
    color: #BBBBBB;
    text-decoration: none;
}

.read-more-btn:hover {
    transform: scale(1.05);
    color: white;
}

/* SECTIONS */
section {
    padding: 6rem 1.5rem;
}

section h2 {
    text-align: center;
    font-size: 2.2rem;
    margin-bottom: 2rem;
    color: #ffffff;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.2);
}


/* Skills */
#skills .skill-list {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
}

#skills .skill {
    background: #1c1c1c;
    padding: 0.8rem 1.2rem;
    border-radius: 12px;
    font-size: 1rem;
    flex-shrink: 0;
    color: #ffffff;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.15);
    transition: transform 0.2s, box-shadow 0.25s;
}

#skills .skill:hover {
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.25);
}


/* Skills Carousel */
.skill-carousel {
    position: relative;
    overflow: hidden;
    mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    -webkit-mask-image: linear-gradient(to right, transparent, black 10%, black 90%, transparent);
    mask-repeat: no-repeat;
    -webkit-mask-repeat: no-repeat;
    mask-size: 100% 100%;
    -webkit-mask-size: 100% 100%;
    padding-top: 30px;
    padding-bottom: 30px;
}

.skill-track {
    display: flex;
    gap: 1rem;
    will-change: transform;
}


/* CONTACTS */
.contact-card {
    background: #1c1c1c;
    border: none;
    border-radius: 16px;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.15);
    color: #ffffff;
    text-align: center;
    transition: transform 0.12s, box-shadow 0.25s;
}

.contact-card:hover {
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.25);
    transform: scale(1.03);
}

.contact-card i {
    color: #ffffff;
    transition: transform 0.10s, color 0.3s;
}

.contact-card a:hover i {
    color: #ffffff;
    transform: scale(1.2);
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.513);
}


/* CV CARD */
.card-cv {
    border: none;
    border-radius: 14px;
    overflow: hidden;
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.355);
    transition: transform 0.25s, box-shadow 0.25s;
}

.card-cv:hover {
    transform: translateY(-15px);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.443);
}

/* Effetto base nascosto */
.reveal {
    opacity: 0;
    transform: translateY(50px);
    transition: all 1s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

header {
    padding-top: 6rem;
}