:root {
    --roxo-principal: #7F00FF;
    --roxo-escuro: #51158C;
    --roxo-claro: #B163FF;
    --fundo: #0A0A0F;
    --fundo-card: #111118;
    --texto-principal: #F5F5F7;
    --texto-secundario: #9CA3AF;
    --borda: rgba(127, 0, 255, 0.15);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Space Grotesk', sans-serif;
    background: var(--fundo);
    color: var(--texto-principal);
    overflow-x: hidden;
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1 0 auto;
}

.skip-link {
    position: absolute;
    top: -60px;
    left: 20px;
    background: var(--roxo-principal);
    color: white;
    padding: 12px 20px;
    border-radius: 8px;
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    z-index: 10000;
    transition: top 0.3s ease;
}

.skip-link:focus {
    top: 20px;
}

#particle-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    pointer-events: none;
}

nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 1000;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--borda);
}

.logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--texto-principal);
    letter-spacing: 4px;
    text-decoration: none;
    cursor: pointer;
}

.logo span {
    color: var(--roxo-principal);
    text-shadow: 0 0 6px rgba(127, 0, 255, 0.55);
    transition: color 0.35s ease, text-shadow 0.35s ease;
}

.logo:hover span {
    color: #C88FFF;
    text-shadow: 0 0 8px rgba(127, 0, 255, 0.9), 0 0 18px rgba(127, 0, 255, 0.7), 0 0 32px rgba(127, 0, 255, 0.5);
}

.nav-links {
    display: flex;
    gap: 40px;
    list-style: none;
}

.nav-links a {
    color: var(--texto-secundario);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 400;
    letter-spacing: 1px;
    transition: color 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--roxo-principal);
    transition: width 0.3s ease;
}

.nav-links a:hover {
    color: var(--texto-principal);
}

.nav-links a:hover::after {
    width: 100%;
}

.mobile-menu {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    max-width: 300px;
    height: 100vh;
    background: var(--fundo-card);
    border-left: 1px solid var(--borda);
    z-index: 1001;
    padding: 100px 32px 32px;
    transition: right 0.4s ease;
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.mobile-menu.open {
    right: 0;
}

.mobile-menu a {
    color: var(--texto-principal);
    text-decoration: none;
    font-size: 1.1rem;
    font-weight: 500;
    letter-spacing: 1px;
    padding: 12px 0;
    border-bottom: 1px solid var(--borda);
    transition: color 0.3s ease;
}

.mobile-menu a:hover {
    color: var(--roxo-claro);
}

.mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.mobile-overlay.open {
    opacity: 1;
    visibility: visible;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1002;
    padding: 8px;
    background: none;
    border: none;
}

.menu-toggle span {
    width: 25px;
    height: 2px;
    background: var(--texto-principal);
    transition: all 0.3s ease;
    transform-origin: center;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 120px 5% 80px;
    position: relative;
    z-index: 1;
    scroll-margin-top: 80px;
    background: radial-gradient(ellipse 80% 55% at 50% 0%, rgba(43, 0, 87, 0.45), transparent 70%);
}

.hero-content {
    max-width: 900px;
    position: relative;
}

.hero-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--roxo-claro);
    letter-spacing: 3px;
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.3s;
}

.hero h1 {
    font-size: clamp(2.5rem, 6vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 24px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.5s;
}

.hero h1 .highlight {
    background: linear-gradient(135deg, var(--roxo-principal), var(--roxo-claro));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    color: var(--texto-secundario);
    max-width: 600px;
    margin: 0 auto 40px;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.7s;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 0.8s ease forwards 0.9s;
}

.hero-buttons .btn {
    min-width: 220px;
    text-align: center;
}

.btn {
    padding: 14px 36px;
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 1px;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

.btn-primary {
    background: var(--roxo-principal);
    color: white;
    border: none;
    box-shadow: 0 4px 20px rgba(127, 0, 255, 0.3);
}

.btn-primary:hover {
    background: var(--roxo-escuro);
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(127, 0, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--texto-principal);
    border: 1px solid var(--borda);
}

.btn-secondary:hover {
    border-color: var(--roxo-principal);
    background: rgba(127, 0, 255, 0.05);
}

.btn-neon {
        border: 1px solid var(--roxo-claro);
    background: var(--roxo-claro);
    color: #170029;
    font-weight: 700;
    box-shadow: 0 0 16px rgba(177, 99, 255, 0.55), 0 0 34px rgba(177, 99, 255, 0.3);
}

.btn-neon:hover {
    background: #C88FFF;
    border-color: #C88FFF;
    color: #12001f;
    box-shadow: 0 0 22px rgba(177, 99, 255, 0.85), 0 0 50px rgba(177, 99, 255, 0.5);
    transform: translateY(-2px);
}

section {
    position: relative;
    z-index: 1;
    padding: 100px 5%;
    scroll-margin-top: 80px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.8rem;
    color: var(--roxo-claro);
    letter-spacing: 3px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.section-subtitle {
    color: var(--texto-secundario);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 24px;
}

.service-card {
    background: var(--fundo-card);
    border: 1px solid var(--borda);
    border-radius: 16px;
    padding: 40px 32px;
    transition: all 0.4s ease;
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--roxo-principal), transparent);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    border-color: rgba(127, 0, 255, 0.3);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.service-icon {
    width: 48px;
    height: 48px;
    background: rgba(127, 0, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--roxo-claro);
}

.service-icon svg {
    width: 24px;
    height: 24px;
}

.service-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--texto-secundario);
    font-size: 0.95rem;
    line-height: 1.7;
}

.about {
    background: rgba(17, 17, 24, 0.5);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='30' viewBox='0 0 60 30' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%237F00FF' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    background-repeat: repeat;
    pointer-events: none;
    z-index: 0;
}

.about .container {
    position: relative;
    z-index: 1;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-areas:
        "header ."
        "text   visual";
    column-gap: 40px;
    row-gap: 40px;
    align-items: start;
}

.about-header {
    grid-area: header;
    margin-bottom: -40px;
}

.about-text {
    grid-area: text;
}

.about-header h2 {
    font-size: clamp(1.8rem, 3vw, 2.5rem);
    font-weight: 700;
    margin-bottom: 24px;
}

.about-text p {
    color: var(--texto-secundario);
    margin-bottom: 20px;
    font-size: 1.05rem;
    line-height: 1.8;
    text-align: justify;
    text-align-last: left;
}

.about-text p:last-child {
    margin-bottom: 0;
}

.about-visual {
    grid-area: visual;
    position: relative;
    display: flex;
    align-items: stretch;
    align-self: stretch;
    justify-content: flex-end;
    margin-top: 6px;
}

.about-visual-inner {
    display: flex;
    flex-direction: column;
    width: fit-content;
    max-width: 100%;
    position: relative;
}

.code-block {
    background: var(--fundo-card);
    border: 1px solid var(--borda);
    border-radius: 16px;
    padding: 40px;
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    line-height: 1.8;
    width: fit-content;
    max-width: 100%;
    box-sizing: border-box;
    position: relative;
    overflow: hidden;
    white-space: pre-wrap;
}

.code-keyword { color: var(--roxo-claro); }
.code-string { color: #6EE7B7; }
.code-func { color: #FCD34D; }
.code-comment { color: #6B7280; }

.about-icons {
    margin-top: 55px;
}

.icon-row {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 24px;
}

.icon-row-bottom {
    position: absolute;
    left: 0;
    bottom: 2px;
    width: 100%;
}

.icon-item {
    display: flex;
    flex-direction: column;
}

.icon-item:nth-child(even) {
    justify-self: end;
}

.icon-badge {
    width: 48px;
    height: 48px;
    background: rgba(127, 0, 255, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: var(--roxo-claro);
}

.icon-badge svg {
    width: 24px;
    height: 24px;
}

.icon-item p {
    color: var(--texto-secundario);
    font-size: 1.05rem;
    line-height: 1.5;
    margin: 0;
}

.projects {
    padding-left: 0;
    padding-right: 0;
    overflow: hidden;
}

.projects .section-header {
    padding: 0 5%;
}

.projects-stack {
    position: relative;
    height: 640px;
    margin: 40px auto 0;
    max-width: 1200px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: grab;
    outline: none;
    touch-action: pan-y;
    -webkit-user-select: none;
    user-select: none;
    perspective: 1600px;
}

.projects-stack:focus-visible {
    outline: 2px solid var(--roxo-principal);
    outline-offset: 8px;
}

.projects-stack.dragging {
    cursor: grabbing;
}

.project-card {
    position: absolute;
    top: 50%;
    left: 50%;
    width: clamp(300px, 30vw, 400px);
    cursor: pointer;
    transform-style: preserve-3d;
    will-change: transform;
}

.project-card.is-active {
    cursor: grab;
}

.projects-stack.dragging .project-card.is-active {
    cursor: grabbing;
}

.project-card-face {
    background: linear-gradient(155deg, #17171f 0%, var(--fundo-card) 40%, #0d0d13 100%);
    border: 1px solid var(--borda);
    border-radius: 28px;
    overflow: hidden;
    position: relative;
    min-height: 560px;
    transform-style: preserve-3d;
    transition: border-color 0.4s ease, box-shadow 0.4s ease;
}

.project-card:not(.is-active) .project-card-face {
    box-shadow: none;
}

.project-card.is-active .project-card-face {
    animation: cardFloat 7.5s ease-in-out infinite;
    border-color: rgba(127, 0, 255, 0.45);
    box-shadow:
        0 50px 90px -20px rgba(0, 0, 0, 0.7),
        0 24px 48px -16px rgba(127, 0, 255, 0.45),
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        inset 0 -30px 50px -20px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.05);
}

@keyframes cardFloat {
    0% { transform: translateY(0) rotateY(-8deg) rotateX(0deg); }
    50% { transform: translateY(-22px) rotateY(8deg) rotateX(2deg); }
    100% { transform: translateY(0) rotateY(-8deg) rotateX(0deg); }
}

.project-card-face::before,
.project-card-face::after {
    content: none;
}

.project-card.is-active .project-card-face::before {
    content: '';
    position: absolute;
    inset: 16px;
    pointer-events: none;
    background-image:
        linear-gradient(var(--roxo-claro), var(--roxo-claro)), linear-gradient(var(--roxo-claro), var(--roxo-claro)),
        linear-gradient(var(--roxo-claro), var(--roxo-claro)), linear-gradient(var(--roxo-claro), var(--roxo-claro)),
        linear-gradient(var(--roxo-claro), var(--roxo-claro)), linear-gradient(var(--roxo-claro), var(--roxo-claro)),
        linear-gradient(var(--roxo-claro), var(--roxo-claro)), linear-gradient(var(--roxo-claro), var(--roxo-claro));
    background-repeat: no-repeat;
    background-size: 16px 2px, 2px 16px, 16px 2px, 2px 16px, 16px 2px, 2px 16px, 16px 2px, 2px 16px;
    background-position: top left, top left, top right, top right, bottom left, bottom left, bottom right, bottom right;
    opacity: 0.35;
    transition: opacity 0.4s ease;
}

.project-card.is-active:hover .project-card-face::before {
    opacity: 1;
}

.project-card.is-active:hover .project-card-face::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--roxo-claro) 15%, #ffffff 50%, var(--roxo-claro) 85%, transparent);
    box-shadow: 0 0 14px 3px rgba(177, 99, 255, 0.85), 0 0 28px 8px rgba(127, 0, 255, 0.5);
    opacity: 0.9;
    animation: scan 3.8s ease-in-out infinite;
}

@keyframes scan {
    0%, 100% { top: 0; opacity: 0.65; }
    50% { top: calc(100% - 3px); opacity: 1; }
}

.project-kanji {
    position: absolute;
    left: 14px;
    top: 40px;
    bottom: 32px;
    writing-mode: vertical-rl;
    font-family: 'Noto Serif JP', serif;
    font-size: 2.1rem;
    letter-spacing: 4px;
    color: var(--roxo-claro);
    opacity: 0.9;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.95), 0 0 10px rgba(0, 0, 0, 0.7);
}

.project-card-top {
    position: absolute;
    top: 24px;
    right: 24px;
    display: flex;
    align-items: center;
    z-index: 2;
}

.project-status {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 1.5px;
    padding: 5px 12px;
    border-radius: 20px;
    text-transform: uppercase;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.95), 0 0 6px rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
        min-width: 92px;
    text-align: center;
}

.project-status.status-real {
    color: #6EE7B7;
    border: 1px solid rgba(110, 231, 183, 0.5);
    background: rgba(110, 231, 183, 0.7);
}

.project-status.status-conceito {
    color: #FCD34D;
    border: 1px solid rgba(252, 211, 77, 0.5);
    background: rgba(252, 211, 77, 0.2);
}

.project-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 2px;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.6);
}

.project-type {
    font-size: 1rem;
    color: var(--texto-secundario);
    opacity: 0.9;
    margin-bottom: 14px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
}

.project-info-box {
    margin-top: auto;
    margin-right: -9px;
    margin-bottom: 16px;
    margin-left: -9px;
    padding: 6px 6px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.project-info-box p:last-child {
    margin-bottom: 0;
}

.project-image {
    position: absolute;
    inset: 0;
    z-index: 0;
    background: #000;
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    opacity: 0.85;
}

.project-image::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(10, 10, 15, 0.15) 0%, rgba(10, 10, 15, 0.5) 45%, rgba(10, 10, 15, 0.94) 100%);
}

.project-content {
    position: absolute;
    inset: 0;
    z-index: 1;
    display: flex;
    flex-direction: column;
    padding: 40px 32px 32px 32px;
}

.project-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 10px;
}

.project-stack span {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.62rem;
    color: var(--roxo-claro);
    background: rgba(127, 0, 255, 0.08);
    border: 1px solid var(--borda);
    padding: 3px 8px;
    border-radius: 20px;
}

.project-card p {
    color: #E5E7EB;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 16px;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.7);
}

.project-link {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    align-self: center;
    width: fit-content;
    padding: 12px 30px;
    border-radius: 999px;
    border: 2px solid var(--roxo-claro);
    background: var(--roxo-claro);
    color: #170029;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    text-decoration: none;
    text-align: center;
    box-shadow: 0 0 16px rgba(177, 99, 255, 0.55), 0 0 34px rgba(177, 99, 255, 0.3);
    transition: all 0.3s ease;
}

.project-link svg {
    width: 14px;
    height: 14px;
    transition: transform 0.3s ease;
}

.project-link:hover {
    background: #C88FFF;
    border-color: #C88FFF;
    color: #12001f;
    box-shadow: 0 0 22px rgba(177, 99, 255, 0.85), 0 0 50px rgba(177, 99, 255, 0.5);
    gap: 10px;
}

.project-link.is-placeholder {
    border-color: var(--borda);
    background: transparent;
    color: var(--texto-secundario);
    box-shadow: none;
    cursor: default;
    pointer-events: none;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.contact-info p {
    color: var(--texto-secundario);
    margin-bottom: 32px;
}

.contact-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--texto-secundario);
    text-decoration: none;
    font-size: 0.95rem;
    transition: color 0.3s ease;
    width: fit-content;
}

.contact-link svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: var(--roxo-claro);
}

.contact-form {
    background: var(--fundo-card);
    border: 1px solid var(--borda);
    border-radius: 16px;
    padding: 40px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group.honeypot {
    position: absolute;
    left: -5000px;
    opacity: 0;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-size: 0.9rem;
    color: var(--texto-secundario);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: rgba(127, 0, 255, 0.05);
    border: 1px solid var(--borda);
    border-radius: 10px;
    color: var(--texto-principal);
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--roxo-principal);
    background: rgba(127, 0, 255, 0.08);
}

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

.form-submit {
    width: 100%;
}

.form-submit:hover {
    background: #C88FFF;
    border-color: #C88FFF;
    color: #12001f;
    transform: translateY(-2px);
    box-shadow: 0 0 22px rgba(177, 99, 255, 0.85), 0 0 50px rgba(177, 99, 255, 0.5);
}

.form-status {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 0.9rem;
    display: none;
}

.form-status.error {
    display: block;
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #FCA5A5;
}

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 9999;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: scale(1.1) translateY(-4px);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
    width: 28px;
    height: 28px;
    fill: white;
}

.whatsapp-tooltip {
    position: fixed;
    bottom: 100px;
    right: 30px;
    background: var(--fundo-card);
    border: 1px solid var(--borda);
    padding: 10px 16px;
    border-radius: 10px;
    font-size: 0.85rem;
    color: var(--texto-secundario);
    z-index: 9998;
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    pointer-events: none;
    white-space: nowrap;
}

.whatsapp-tooltip.show {
    opacity: 1;
    transform: translateY(0);
}

footer {
    position: relative;
    z-index: 1;
    background: var(--fundo-card);
    border-top: 1px solid var(--borda);
    padding: 40px 5%;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.footer-logo {
    font-family: 'JetBrains Mono', monospace;
    font-size: 1.2rem;
    letter-spacing: 3px;
    color: var(--texto-principal);
    text-decoration: none;
    cursor: pointer;
}

.footer-logo span {
    color: var(--roxo-principal);
    text-shadow: 0 0 6px rgba(127, 0, 255, 0.55);
    transition: color 0.35s ease, text-shadow 0.35s ease;
}

.footer-logo:hover span {
    color: #C88FFF;
    text-shadow: 0 0 8px rgba(127, 0, 255, 0.9), 0 0 18px rgba(127, 0, 255, 0.7), 0 0 32px rgba(127, 0, 255, 0.5);
}

.footer-copy {
    color: var(--texto-secundario);
    font-size: 0.85rem;
}

.footer-kanji {
    font-family: 'Noto Serif JP', serif;
    font-size: 0.9rem;
    color: var(--texto-secundario);
    opacity: 0.4;
    letter-spacing: 2px;
}

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

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .hero-tag, .hero h1, .hero p, .hero-buttons,
    .service-card, .about-text, .about-visual,
    .contact-info, .contact-form {
        opacity: 1 !important;
        transform: none !important;
    }

    #particle-canvas {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

        nav {
        flex-wrap: wrap;
        row-gap: 6px;
    }

    .demo-back-link {
        font-size: 0.72rem;
    }

    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

        .about-grid {
        grid-template-areas:
            "header"
            "text"
            "visual";
    }

    .about-icons {
        margin-top: 24px;
    }

    .icon-row {
        column-gap: 16px;
    }

    .icon-row-bottom {
        position: static;
        width: auto;
        margin-top: 24px;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn {
        width: 100%;
        max-width: 280px;
        text-align: center;
    }

    section {
        padding: 60px 5%;
    }

    .whatsapp-float {
        width: 54px;
        height: 54px;
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-float svg {
        width: 24px;
        height: 24px;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 12px;
    }

    .projects-stack {
        height: 560px;
    }

    .project-card {
        width: clamp(260px, 78vw, 340px);
    }

    .project-card-face {
        min-height: 460px;
    }

    .project-content {
        padding: 32px 20px 24px 20px;
    }

    .project-info-box {
        margin-right: -6px;
        margin-left: -6px;
    }

    .project-kanji {
        font-size: 1.4rem;
        left: 8px;
    }
}

.demo-back-link {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.85rem;
    color: var(--roxo-claro);
    text-decoration: none;
    letter-spacing: 0.5px;
    white-space: nowrap;
    transition: color 0.3s ease;
}

.demo-back-link:hover {
    color: #C88FFF;
}

.demo-hero {
    min-height: calc(100vh - 160px);
    display: flex;
    align-items: center;
    padding: 160px 5% 80px;
}

.demo-card {
    max-width: 1000px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    align-items: center;
    background: var(--fundo-card);
    border: 1px solid var(--borda);
    border-radius: 28px;
    padding: 48px;
}

.demo-image {
    border-radius: 20px;
    overflow: hidden;
    min-height: 320px;
}

.demo-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.demo-info .project-status {
    display: inline-block;
    margin-bottom: 16px;
}

.demo-kanji {
    display: block;
    position: static;
    writing-mode: horizontal-tb;
    font-size: 3rem;
    margin-bottom: 8px;
    opacity: 0.9;
    text-shadow: none;
}

.demo-info h1 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 700;
    margin-bottom: 16px;
}

.demo-info .project-stack {
    margin-bottom: 16px;
}

.demo-info p {
    color: var(--texto-secundario);
    line-height: 1.7;
    margin-bottom: 20px;
}

.demo-info .project-link {
    margin: 8px auto 0;
}

.demo-disclaimer {
    font-size: 0.85rem;
    font-style: italic;
    opacity: 0.8;
    border-left: 2px solid var(--borda);
    padding-left: 12px;
}

.demo-notfound {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.demo-notfound h1 {
    font-size: 2rem;
    margin-bottom: 16px;
}

.demo-notfound p {
    color: var(--texto-secundario);
    margin-bottom: 32px;
}

.demo-notfound .project-link {
    margin: 0 auto;
}

@media (max-width: 768px) {
    .demo-card {
        grid-template-columns: 1fr;
        padding: 32px 24px;
    }

    .demo-hero {
        padding: 140px 5% 60px;
    }
}