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

html {
    overflow-x: hidden;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: black;
    overflow-x: hidden;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header */
header {
    background: linear-gradient(135deg, #0905eb 0%, #b905e6 100%);
    color: white;
    padding: 2rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

header::before {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateX(0px); }
    50% { transform: translateX(30px); }
}

.header-content {
    position: relative;
    z-index: 2;
}

.header-content h1 {
    font-size: 70px;
    margin: 50px;
    margin-bottom: 0.1rem;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
    color: white; /* H1 em branco */
}

.header-content .subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1s ease 0.3s forwards;
}

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


/* Sections */
section {
    padding: 4rem 0;
    opacity: 0;
    transform: translateY(50px);
    transition: all 0.6s ease;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-title {
    text-align: center;
    font-size: 3rem;
    font-weight: 700;
    color: white; /* Títulos de seção em branco */
    margin-bottom: 3rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 2px;
}

/* About Section */
.about-content {
            display: grid;
            grid-template-columns: 1fr 2fr;
            gap: 3rem;
            align-items: center;
        }

        .profile-container {
            position: relative;
            margin: 0 auto;
            width: 320px;
            height: 320px;
        }

        .profile-photo {
            width: 300px;
            height: 300px;
            border-radius: 50%;
            object-fit: cover;
            border: 5px solid white;
            box-shadow: 0 15px 35px rgba(102, 126, 234, 0.3);
            transition: all 0.5s ease;
            position: relative;
            z-index: 2;
            cursor: pointer;
        }

        .profile-photo:hover {
            transform: scale(1.1) rotate(5deg);
            box-shadow: 0 25px 50px rgba(102, 126, 234, 0.5);
        }

        .profile-placeholder {
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: linear-gradient(135deg, #667eea, #764ba2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 4rem;
            color: white;
            margin: 0 auto;
            box-shadow: 0 15px 35px rgba(102, 126, 234, 0.3);
            position: relative;
            z-index: 2;
            cursor: pointer;
            transition: all 0.5s ease;
        }

        .profile-placeholder:hover {
            transform: scale(1.1) rotate(5deg);
            box-shadow: 0 25px 50px rgba(102, 126, 234, 0.5);
        }

        .profile-ring {
            position: absolute;
            top: -10px;
            left: -10px;
            width: 320px;
            height: 320px;
            border: 3px solid transparent;
            border-top: 3px solid #667eea;
            border-right: 3px solid #764ba2;
            border-radius: 50%;
            animation: profileRotate 8s linear infinite;
            z-index: 1;
        }

        .profile-ring::before {
            content: '';
            position: absolute;
            top: -6px;
            left: -6px;
            width: 320px;
            height: 320px;
            border: 2px solid transparent;
            border-bottom: 2px solid #ff6b6b;
            border-left: 2px solid #4ecdc4;
            border-radius: 50%;
            animation: profileRotate 6s linear infinite reverse;
        }

        .profile-glow {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            animation: profilePulse 3s ease-in-out infinite;
            z-index: 0;
        }

        .floating-elements {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
        }

        .floating-dot {
            position: absolute;
            width: 8px;
            height: 8px;
            background: #667eea;
            border-radius: 50%;
            opacity: 0.6;
            animation: floatDot 4s ease-in-out infinite;
        }

        .floating-dot:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
        .floating-dot:nth-child(2) { top: 80%; left: 20%; animation-delay: 1s; }
        .floating-dot:nth-child(3) { top: 30%; right: 15%; animation-delay: 2s; }
        .floating-dot:nth-child(4) { bottom: 20%; right: 10%; animation-delay: 3s; }

        @keyframes profileRotate {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }

        @keyframes profilePulse {
            0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.3; }
            50% { transform: translate(-50%, -50%) scale(1.1); opacity: 0.1; }
        }

        @keyframes floatDot {
            0%, 100% { transform: translateY(0px) scale(1); }
            50% { transform: translateY(-20px) scale(1.2); }
        }

        .profile-container .tech-orbit {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 400px;
            height: 400px;
            pointer-events: none;
            z-index: 0;
        }

        .tech-icon {
            position: absolute;
            width: 40px;
            height: 40px;
            background: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            animation: orbitTech 20s linear infinite;
        }

        .tech-icon:nth-child(1) { 
            animation-delay: 0s; 
            top: 0; 
            left: 50%; 
            transform: translateX(-50%);
        }
        .tech-icon:nth-child(2) { 
            animation-delay: -5s; 
            top: 50%; 
            right: 0; 
            transform: translateY(-50%);
        }
        .tech-icon:nth-child(3) { 
            animation-delay: -10s; 
            bottom: 0; 
            left: 50%; 
            transform: translateX(-50%);
        }
        .tech-icon:nth-child(4) { 
            animation-delay: -15s; 
            top: 50%; 
            left: 0; 
            transform: translateY(-50%);
        }

        @keyframes orbitTech {
            0% { transform: rotate(0deg) translateX(200px) rotate(0deg); }
            100% { transform: rotate(360deg) translateX(200px) rotate(-360deg); }
        }

        .about-text {
            font-size: 1.1rem;
            line-height: 1.8;
            color: white;
        }

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

.skill-card {
    background: linear-gradient(135deg, #5367c4 0%, #7607e4 100%);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.container .skills-grid .skill-card h3{
    color: white;
}
.container .skills-grid .skill-card p{
    color: white;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.skill-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
    color: blue;
}

/* Projects Section */
.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.project-card {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    border-radius: 20px;
    padding: 2rem;
    transition: all 0.3s ease;
    border: 1px solid rgba(255, 255, 255, 0.2);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.2);
    background: rgba(255, 255, 255, 0.15);
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 234, 0.1), transparent);
    transition: left 0.5s;
}

.project-card:hover::before {
    left: 100%;
}

.project-image {
    font-size: 4rem;
    text-align: center;
    margin-bottom: 1.5rem;
    animation: float 3s ease-in-out infinite;
}

.project-info {
    text-align: center;
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: white; /* Títulos dos projetos em branco */
    font-weight: 600;
}

.project-description {
    color: rgba(255, 255, 255, 0.9); /* Descrição dos projetos em cinza escuro */
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.tech-tags {
    display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            justify-content: center;
}

.tech-tag {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.3s ease;
}

.tech-tag:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.05);
}

.project-link {
    display: inline-block;
    margin-top: 1rem;
    padding: 0.8rem 1.5rem;
    background: linear-gradient(45deg, #ff6b6b, #feca57);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.project-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* Contact Section */
#contact {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 3rem;
    margin-top: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-form {
    max-width: 600px;
    margin: 0 auto;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    color: white; /* Labels em branco */
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: none;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    background: rgba(255, 255, 255, 0.15);
    border-color:rgba(255, 255, 255, 0.4);
    transform: scale(1.02);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.submit-btn {
    width: 100%;
    padding: 1rem 2rem;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    border: none;
    border-radius: 25px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    background: linear-gradient(45deg, #764ba2, #667eea);
}

/* Footer */
footer {
    background: #333;
    color: white;
    text-align: center;
    padding: 2rem 0;
}

.social-links {
    margin: 1rem 0;
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.social-link {
    display: inline-block;
    width: 50px;
    height: 50px;
    background: #667eea;
    color: white;
    border-radius: 50%;
    text-decoration: none;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease;
}

.social-link:hover {
    transform: translateY(-3px);
}

/* Responsive */
@media (max-width: 600px) {
    .header-content h1 {
        font-size: 2rem;
    }

    .container {
        padding: 0 1rem;
    }
    
    .header-content .subtitle {
        font-size: 1.2rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    nav ul {
        flex-direction: column;
        gap: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }

    .projects-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .project-card {
        padding: 1.5rem;
    }
}

/* From Uiverse.io by satyamchaudharydev */ 
/* === removing default button style ===*/
.button {
  margin: 0;
  height: auto;
  background: transparent;
  padding: 0;
  border: none;
  cursor: pointer;
}

/* button styling */
.button {
  --border-right: 6px;
  --text-stroke-color: rgba(255,255,255,0.6);
  --animation-color: #37FF8B;
  --fs-size: 2em;
  letter-spacing: 3px;
  text-decoration: none;
  font-size: var(--fs-size);
  font-family: "Arial";
  position: relative;
  text-transform: uppercase;
  color: transparent;
  -webkit-text-stroke: 1px var(--text-stroke-color);
}
/* this is the text, when you hover on button */
.hover-text {
  position: absolute;
  box-sizing: border-box;
  content: attr(data-text);
  color: var(--animation-color);
  width: 0%;
  inset: 0;
  border-right: var(--border-right) solid var(--animation-color);
  overflow: hidden;
  transition: 0.5s;
  -webkit-text-stroke: 1px var(--animation-color);
}
/* hover */
.button:hover .hover-text {
  width: 100%;
  filter: drop-shadow(0 0 23px var(--animation-color));
}

/* From Uiverse.io by StealthWorm */ 
.btn {
  display: inline-block;
  justify-content: center;
  align-items: center;
  width: 13rem;
  overflow: hidden;
  height: 3rem;
  background-size: 300% 300%;
  cursor: pointer;
  backdrop-filter: blur(1rem);
  -webkit-backdrop-filter: blur(1rem);
  border-radius: 5rem;
  transition: 0.5s;
  animation: gradient_301 5s ease infinite;
  border: double 4px transparent;
  background-image: linear-gradient(#212121, #212121),
    linear-gradient(
      137.48deg,
      #ffdb3b 10%,
      #fe53bb 45%,
      #8f51ea 67%,
      #0044ff 87%
    );
  background-origin: border-box;
  background-clip: content-box, border-box;
}

#container-stars {
  position: absolute;
  z-index: -1;
  width: 100%;
  height: 100%;
  overflow: hidden;
  transition: 0.5s;
  backdrop-filter: blur(1rem);
  -webkit-backdrop-filter: blur(1rem);
  border-radius: 5rem;
}

strong {
  z-index: 2;
  font-family: "Avalors Personal Use";
  font-size: 13px;
  letter-spacing: 5px;
  color: #ffffff;
  text-shadow: 0 0 4px white;
}

#glow {
  position: absolute;
  display: flex;
  width: 12rem;
}

.circle {
  width: 100%;
  height: 30px;
  filter: blur(2rem);
  animation: pulse_3011 4s infinite;
  z-index: -1;
}

.circle:nth-of-type(1) {
  background: rgba(254, 83, 186, 0.636);
}

.circle:nth-of-type(2) {
  background: rgba(142, 81, 234, 0.704);
}

.btn:hover #container-stars {
  z-index: 1;
  background-color: #212121;
}

.btn:hover {
  transform: scale(1.1);
}

.btn:active {
  border: double 4px #fe53bb;
  background-origin: border-box;
  background-clip: content-box, border-box;
  animation: none;
}

.btn:active .circle {
  background: #fe53bb;
}

#stars {
  position: relative;
  background: transparent;
  width: 200rem;
  height: 200rem;
}

#stars::after {
  content: "";
  position: absolute;
  top: -10rem;
  left: -100rem;
  width: 100%;
  height: 100%;
  animation: animStarRotate 90s linear infinite;
}

#stars::after {
  background-image: radial-gradient(#ffffff 1px, transparent 1%);
  background-size: 50px 50px;
}

#stars::before {
  content: "";
  position: absolute;
  top: 0;
  left: -50%;
  width: 170%;
  height: 500%;
  animation: animStar 60s linear infinite;
}

#stars::before {
  background-image: radial-gradient(#ffffff 1px, transparent 1%);
  background-size: 50px 50px;
  opacity: 0.5;
}

@keyframes animStar {
  from {
    transform: translateY(0);
  }

  to {
    transform: translateY(-135rem);
  }
}

@keyframes animStarRotate {
  from {
    transform: rotate(360deg);
  }

  to {
    transform: rotate(0);
  }
}

@keyframes gradient_301 {
  0% {
    background-position: 0% 50%;
  }

  50% {
    background-position: 100% 50%;
  }

  100% {
    background-position: 0% 50%;
  }
}

@keyframes pulse_3011 {
  0% {
    transform: scale(0.75);
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0.7);
  }

  70% {
    transform: scale(1);
    box-shadow: 0 0 0 10px rgba(0, 0, 0, 0);
  }

  100% {
    transform: scale(0.75);
    box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
  }
}