:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #a855f7 100%);
    --secondary-color: #f43f5e;
    --dark-bg: #0f172a;
    --dark-color: #334155;
    --card-bg: rgba(255, 255, 255, 0.8);
    --glass-bg: rgba(255, 255, 255, 0.1);
    --glass-border: rgba(255, 255, 255, 0.2);
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --white: #ffffff;
    --transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --border-radius: 16px;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    line-height: 1.6;
    color: var(--text-main);
    background-color: #f8fafc;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

a {
    text-decoration: none;
    color: var(--primary-color);
    transition: var(--transition);
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* Botões */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: 2px solid transparent;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--primary-color);
    color: var(--primary-color);
}

.btn-outline:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 0.9rem;
}

/* Cabeçalhos de seção */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}

.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.section-header p {
    font-size: 1.1rem;
}

/* Navbar */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(0,0,0,0.05);
    transition: var(--transition);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 0;
}

.logo a {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--dark-bg);
    letter-spacing: -1px;
}

.logo span {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-link {
    margin: 0 15px;
    color: var(--dark-color);
    font-weight: 500;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: var(--transition);
}

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

.hamburger {
    display: none;
    cursor: pointer;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--dark-color);
    transition: var(--transition);
}

/* Hero Section */
.hero {
    padding-top: 120px;
    padding-bottom: 60px;
    background-color: #f5f8ff;
    text-align: center;
}

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

.hero-buttons {
    justify-content: center;
    margin-top: 20px;
}

.hero-content h1 {
    font-size: clamp(1.8rem, 5vw, 2.8rem);
    margin-bottom: 15px;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: block;
    width: 100%;
}

.hero-content p {
    font-size: 1.05rem;
    margin-bottom: 25px;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

@media (max-width: 1210px) {
    .hero-content h1 {
        white-space: normal;
        font-size: 2.2rem;
    }
}


.services {
    padding: 50px 0;
    background-color: white;
}

.footer {
    padding: 40px 0 20px;
    background-color: #f8fafc;
}

.footer-content {
    text-align: center;
}

.footer-logo {
    margin: 0 auto;
    max-width: 500px;
}



/* Serviços */

.services-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 15px;
}

@media (max-width: 1100px) {
    .services-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

.service-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.service-icon {
    width: 70px;
    height: 70px;
    background-color: rgba(74, 107, 255, 0.1);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
}

.service-icon i {
    font-size: 30px;
    color: var(--primary-color);
}

.service-card h3 {
    margin-bottom: 10px;
    font-size: 1.2rem;
}

.btn-text {
    display: inline-block;
    margin-top: 15px;
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
}

.btn-text:hover {
    letter-spacing: 2px;
    color: var(--secondary-color);
}

/* Portfolio Folder Section */
.portfolio {
    background: linear-gradient(180deg, #f8fafc 0%, #e2e8f0 100%);
    padding: 60px 0;
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 40px;
}

.app-card {
    background: var(--white);
    border-radius: 24px;
    padding: 24px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    border: 1px solid rgba(0,0,0,0.05);
}

.app-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-lg);
}

.app-icon {
    width: 100px;
    height: 100px;
    border-radius: 20px;
    margin-bottom: 20px;
    object-fit: cover;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.app-card:hover .app-icon {
    transform: rotate(5deg);
}

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

.app-category {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    margin-bottom: 12px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary-color);
}

.app-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark-bg);
}

.app-description {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-bottom: 24px;
    min-height: 50px;
}

.app-link {
    width: 100%;
    padding: 12px;
    border-radius: 12px;
    text-align: center;
    font-weight: 600;
    background: var(--primary-gradient);
    color: white;
    transition: var(--transition);
}

.app-link:hover {
    opacity: 0.9;
    color: white;
}

/* Play Store Badge Section */
.android-section {
    background: var(--dark-bg);
    color: white;
    padding: 60px 0;
    text-align: center;
    border-radius: 40px;
    margin: 40px 20px;
}

.android-section h2 {
    color: white;
}

.play-badge {
    height: 60px;
    transition: var(--transition);
}

.play-badge:hover {
    transform: scale(1.1);
}

/* WhatsApp Button */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.3);
    z-index: 1000;
    transition: var(--transition);
}

.whatsapp-btn:hover {
    transform: scale(1.1) rotate(10deg);
    color: white;
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.4);
}

/* YouTube Showcase Section */
.youtube-section {
    padding: 80px 0;
    background: linear-gradient(180deg, #e2e8f0 0%, #f8fafc 100%);
}

.youtube-wrapper {
    max-width: 750px;
    margin: 0 auto;
    background: var(--white);
    padding: 15px;
    border-radius: 30px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.video-placeholder {
    position: relative;
    display: block;
    width: 100%;
    aspect-ratio: 16/9;
    background-color: #000;
    border-radius: 20px;
    overflow: hidden;
    margin-bottom: 30px;
    box-shadow: var(--shadow-lg);
    cursor: pointer;
}

.thumb-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.8;
    transition: var(--transition);
}

.video-placeholder:hover .thumb-img {
    transform: scale(1.05);
    opacity: 0.6;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 65px;
    height: 65px;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    font-size: 24px;
    z-index: 10;
    box-shadow: 0 0 30px rgba(99, 102, 241, 0.5);
    transition: var(--transition);
}

.video-placeholder:hover .play-button {
    transform: translate(-50%, -50%) scale(1.1);
    box-shadow: 0 0 50px rgba(99, 102, 241, 0.8);
}

.video-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    z-index: 5;
}

.view-presentation {
    color: white;
    font-weight: 700;
    letter-spacing: 1.5px;
    font-size: 0.9rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.5);
}


.youtube-info {
    display: flex;
    justify-content: space-around;
    gap: 20px;
    flex-wrap: wrap;
}

.info-card {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 50px;
    color: var(--primary-color);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.info-card i {
    font-size: 1.2rem;
}

.info-card:hover {
    background: var(--primary-gradient);
    color: white;
    transform: translateY(-2px);
}

/* ===== MOBILE RESPONSIVO ===== */
@media (max-width: 768px) {
    /* Menu Hamburger */
    .hamburger {
        display: block;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: rgba(255, 255, 255, 0.98);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        padding: 20px 0;
        backdrop-filter: blur(12px);
        z-index: 999;
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-link {
        margin: 15px 0;
        font-size: 1.1rem;
        display: block;
    }

    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }

    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
        transform: translateX(-10px);
    }

    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    /* YouTube Info */
    .youtube-info {
        flex-direction: column;
        align-items: center;
    }

    .info-card {
        width: 100%;
        justify-content: center;
    }

    /* Hero */
    .hero-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
        gap: 12px;
    }

    .hero-buttons .btn {
        width: 100%;
        max-width: 280px;
    }

    /* Portfolio Grid */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    /* Android Section */
    .android-section {
        border-radius: 20px;
        margin: 20px 10px;
    }
}

/* ===== LinkedIn Button ===== */
.libutton {
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 7px;
    text-align: center;
    outline: none;
    text-decoration: none !important;
    color: #ffffff !important;
    width: 200px;
    height: 32px;
    border-radius: 16px;
    background-color: #0A66C2;
    font-family: 'Poppins', Helvetica, sans-serif;
    margin: 20px auto 0;
    transition: var(--transition);
}

.libutton:hover {
    background-color: #084f99;
    color: #ffffff !important;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(10, 102, 194, 0.3);
}