:root {
    --text-primary: #F9FAFB;
    --text-secondary: #D1D5DB;
    --background: #111827;
    --card-primary: #1F2937;
    --card-secondary: #2D3748;
    --icon: #F9FAFB;
    --vermelho: #D32F2F;
    --verde: #388E3C;
    --amarelo: #92400E;
    --loading: #6B46C1;
    --tint: #6366F1; 
    --tint-darker: #4f46e5; 

    --font-family: 'Inter', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background-color: var(--background);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    width: 90%;
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 0;
}
.hero-header {
    color: #fff;
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: 60px 20px;
}

.hero-content {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 100px;
    font-weight: 700;
    letter-spacing: -5px;
    line-height: 1;
    color: #eae1cf;
    position: relative;
    z-index: 2;
}

.hero-title span {
    color: transparent;
    -webkit-text-stroke: 1.5px #eae1cf;
}
@media (max-width: 768px) {
    .hero-title {
        font-size: 70px;
    }
  }

.hero-subtitle {
    margin-top: 50px;
    font-size: 1.5rem;
    font-weight: 400;
    color: #ddd;
    position: relative;
    z-index: 2;
}

h1, h2, h3 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 700;
}

h1 {
    font-size: 2.5rem;
    text-align: center;
}

h2 {
    font-size: 2rem;
    border-bottom: 2px solid var(--tint);
    padding-bottom: 0.5rem;
    margin-bottom: 2rem;
    font-weight: 600;
}

p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    font-weight: 400;
}

a {
    color: var(--tint);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover {
    color: var(--text-primary);
}

header {
    background-color: var(--card-primary);
    padding: 30px 0;
    text-align: center;
    border-bottom: 1px solid var(--card-secondary);
}

header h1 {
    margin-bottom: 0.5rem;
}

header p {
    color: var(--tint);
    font-size: 1.2rem;
    font-weight: 600;
}

section {
    margin-bottom: 40px;
}

#sobre .highlight {
    color: var(--tint);
    font-weight: 600;
    background-color: rgba(99, 102, 241, 0.1); 
    padding: 0.1em 0.3em;
    border-radius: 4px;
}

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

.skill-card {
    background-color: var(--card-primary);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    border: 1px solid var(--card-secondary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.skill-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.skill-icon {
    width: 50px;
    height: 50px;
    stroke: var(--tint);
    margin: 0 auto 1rem auto;
    display: block;
}

.skill-card h3 {
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

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

#aplicativo h2 {
    text-align: center;
}

#aplicativo > p { 
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 3rem; 
}

.app-carousel-container {
    position: relative;
    margin: 0 auto;
    max-width: 900px; 
    overflow: hidden; 
    min-height: 300px;
}

.app-carousel-slides {
    display: flex; 
    width: 100%; 
}

.app-slide {
    display: flex; 
    align-items: center; 
    gap: 2rem; 
    padding: 1rem; 
    flex: 0 0 100%; 
    opacity: 0; 
    visibility: hidden; 
    position: absolute; 
    top: 0;
    left: 0;
    width: 100%;
    transition: opacity 0.5s ease-in-out, visibility 0.5s ease-in-out; 
}

.app-slide.active {
    opacity: 1;
    visibility: visible;
    position: relative; 
}

.slide-mockup {
    flex-basis: 35%; 
    flex-shrink: 0; 
    display: flex;
    justify-content: center;
}

.slide-description {
    flex-basis: 65%; 
    text-align: left;
}

.slide-description h4 {
    color: var(--tint);
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.slide-description p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
}

.device {
    text-align: center;
}

.device-svg {
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 8px 12px rgba(0,0,0,0.25)); 
}

.device-phone .device-svg {
    width: 160px; 
    max-width: 100%;
    height: auto;
}

.app-content {
    overflow: hidden;
}

.app-placeholder {
    width: 100%;
    height: 100%;
}
.app-placeholder h4 {
    font-size: 0.9rem;
    color: var(--tint);
    margin-bottom: 0.5rem;
    text-align: center;
    font-weight: 600;
}
.app-placeholder p {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
}
.app-placeholder button {
    background-color: var(--tint);
    color: var(--text-primary);
    border: none;
    padding: 6px 10px;
    border-radius: 5px;
    font-size: 0.7rem;
    cursor: pointer;
    transition: background-color 0.3s ease;
    display: block; 
    margin: 10px auto 0 auto; 
    width: fit-content;
}
.app-placeholder button:hover {
    background-color: var(--tint-darker);
}
.app-placeholder img {
    max-width: 100%;
    height: auto;
}


.carousel-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 0px; 
    pointer-events: none; 
}

.carousel-nav button {
    background-color: rgba(31, 41, 55, 0.7); 
    border: 1px solid var(--card-secondary);
    color: var(--text-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    pointer-events: auto; 
    margin: 0 -10px; 
}

.carousel-nav button:hover {
    background-color: var(--card-primary);
    transform: scale(1.1);
}

.carousel-nav button svg {
    width: 20px;
    height: 20px;
    stroke: var(--text-primary);
}

#aplicativo-web h2 {
    text-align: center;
}

#aplicativo-web > p {
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 3rem;
}

.web-carousel-container {
    position: relative;
    margin: 0 auto;
    max-width: 1000px; 
    overflow: hidden;
    min-height: 350px;
}

.web-carousel-slides {
    display: flex;
    width: 100%;
}

.web-slide {
    display: flex;
    align-items: center;
    gap: 2rem;
    padding: 1rem;
    flex: 0 0 100%;
    opacity: 0;
    visibility: hidden;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    transition: opacity 0.5s ease-in-out, visibility 0.5s ease-in-out;
}

.web-slide.active {
    opacity: 1;
    visibility: visible;
    position: relative;
}

.slide-mockup-web {
    flex-basis: 60%; 
    flex-shrink: 0; 
    display: flex;
    justify-content: center;
}

.slide-description-web {
    flex-basis: 40%;
    text-align: left;
}

.slide-description-web h4 {
    color: var(--tint);
    font-size: 1.4rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.slide-description-web p {
    font-size: 1rem;
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
}

.device-laptop .device-svg-web {
    width: 90%; 
    max-width: 550px;
    height: auto;
    display: block;
    margin: 0 auto;
    filter: drop-shadow(0 10px 15px rgba(0,0,0,0.25));
}

.web-content {
    overflow: hidden;
}

.web-placeholder {
    width: 100%;
    height: 100%;
    font-family: var(--font-family);
    color: var(--text-primary);
    background-color: var(--background);
    box-sizing: border-box;
    overflow: hidden; 
    font-size: 0.85rem; 
    line-height: 1.4;
}
.web-placeholder h3 {
    font-size: 1.1rem;
    color: var(--tint);
    margin-bottom: 0.5rem;
    font-weight: 600;
}
.web-placeholder h4 { 
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}
.web-placeholder p {
    font-size: 0.9em; 
    color: var(--text-secondary);
    margin-bottom: 0.8rem;
}
.web-placeholder button,
.web-placeholder input[type="submit"] {
    background-color: var(--tint);
    color: var(--text-primary);
    border: none;
    padding: 6px 12px;
    border-radius: 5px;
    font-size: 0.85em;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
.web-placeholder button:hover,
.web-placeholder input[type="submit"]:hover {
    background-color: var(--tint-darker);
}
.web-placeholder a {
    color: var(--tint);
    text-decoration: none;
}
.web-placeholder a:hover {
    text-decoration: underline;
}
.web-placeholder img {
    max-width: 100%;
    height: auto;
}

.web-carousel-nav {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    padding: 0 10px; 
    pointer-events: none;
}

.web-carousel-nav button {
    background-color: rgba(31, 41, 55, 0.7);
    border: 1px solid var(--card-secondary);
    color: var(--text-primary);
    border-radius: 50%;
    width: 45px; 
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    pointer-events: auto;
    margin: 0 -15px; 
}
.web-carousel-nav button:hover {
    background-color: var(--card-primary);
    transform: scale(1.1);
}
.web-carousel-nav button svg {
    width: 24px; 
    height: 24px;
    stroke: var(--text-primary);
}

#contato {
    text-align: center;
}

.cta-button {
    display: inline-block;
    background-color: var(--tint);
    color: var(--text-primary);
    padding: 12px 25px;
    border-radius: 5px;
    font-weight: 600;
    text-decoration: none;
    transition: background-color 0.3s ease, transform 0.2s ease;
    margin-top: 1rem;
}

.cta-button:hover {
    background-color: var(--tint-darker); 
    transform: translateY(-2px);
}

footer {
    background-color: var(--card-primary);
    color: var(--text-secondary);
    text-align: center;
    padding: 20px 0;
    margin-top: 40px; 
    border-top: 1px solid var(--card-secondary);
    font-size: 0.9rem;
}

@media (max-width: 768px) {
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.7rem;
    }
    .container {
        width: 95%;
    }

    .app-slide {
        flex-direction: column; 
        gap: 1.5rem;
        text-align: center; 
    }
    .slide-mockup {
        flex-basis: auto; 
        width: 100%; 
        max-width: 200px; 
        margin: 0 auto; 
    }
     .slide-description {
        flex-basis: auto; 
        text-align: center; 
        padding: 0 1rem; 
    }
     .slide-description h4 {
        font-size: 1.2rem;
    }
     .slide-description p {
        font-size: 0.9rem;
    }

     .carousel-nav {
        position: static; 
        transform: none; 
        margin-top: 1.5rem; 
        justify-content: center; 
        gap: 1rem; 
    }
     .carousel-nav button {
         margin: 0; 
         background-color: var(--card-primary); 
     }

    .web-slide {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
     .slide-mockup-web {
        flex-basis: auto;
        width: 100%;
        max-width: 450px; 
        margin: 0 auto;
    }
     .slide-description-web {
        flex-basis: auto;
        text-align: center;
        padding: 0 1rem;
    }
     .slide-description-web h4 {
        font-size: 1.2rem;
    }
     .slide-description-web p {
        font-size: 0.9rem;
    }
    .web-carousel-nav {
         position: static;
        transform: none;
        margin-top: 1.5rem;
        justify-content: center;
        gap: 1rem;
    }
     .web-carousel-nav button {
         margin: 0;
         background-color: var(--card-primary);
         width: 40px;
         height: 40px;
     }
     .web-carousel-nav button svg {
         width: 20px;
         height: 20px;
     }

    .devices-container { display: none; }

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

    .app-carousel-container {
        min-height: 450px; 
    }
    .web-carousel-container {
         min-height: 400px; 
    }
}

@media (max-width: 480px) {
     h1 { font-size: 1.8rem; }
     h2 { font-size: 1.5rem; }
     .skill-card { padding: 1.5rem; }

    .slide-mockup {
        max-width: 150px; 
    }
    .device-phone .device-svg {
        width: 130px;
    }
     .slide-description h4 { font-size: 1.1rem; }
     .slide-description p { font-size: 0.85rem; }

      .slide-mockup-web {
          max-width: 90%; 
      }
      .device-laptop .device-svg-web {
         max-width: 100%;
         filter: drop-shadow(0 5px 8px rgba(0,0,0,0.2)); 
     }
      .web-placeholder { font-size: 0.75rem; } 
      .slide-description-web h4 { font-size: 1.1rem; }
      .slide-description-web p { font-size: 0.85rem; }
     .cta-button { padding: 10px 20px; font-size: 0.9rem; }
     .app-carousel-container {
        min-height: 400px; 
    }
     .web-carousel-container {
         min-height: 350px; 
     }
}

.loading-placeholder {
    width: 100%;
    text-align: center;
    padding: 50px 20px;
    color: var(--text-secondary);
    font-style: italic;
}