:root {
    --bg-dark: #0f172a;
    --bg-card: #1e293b;
    --primary: #38bdf8;       
    --secondary: #a855f7;     
    --tertiary: #f97316;      
    --text-main: #f8fafc;
    --text-dim: #94a3b8;
    --gradient-tech: linear-gradient(90deg, var(--primary) 0%, var(--secondary) 50%, var(--tertiary) 100%);
}
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', sans-serif;
}
body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* header e nav */
header {
    padding: 1rem 0;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}
nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}
.logo-img {
    width: 40px;
    filter: drop-shadow(0 0 8px var(--primary));
}
.logo-text {
    display: flex;
    flex-direction: column; 
    justify-content: center; 
    line-height: 1;
}
.logo-text h1 {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin: 0; 
}
.logo-text span {
    font-size: 0.7rem;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}
.nav-links {
    list-style: none;
    display: flex;
    align-items: center;
    gap: 2rem;
}
.nav-links a {
    color: var(--text-main);
    text-decoration: none;
    font-weight: 500;
    transition: 0.3s;
}
.nav-links a:hover {
    color: var(--primary);
}

/* hero section */
#hero {
    padding: 30px 0 100px 0;
    background: radial-gradient(circle at 10% 20%, rgba(56, 189, 248, 0.1) 0%, transparent 50%);
}
.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}
.badge-group {
    display: flex;
    gap: 10px;
    flex-wrap: wrap; 
    margin-bottom: 1.5rem;
}
.badge {
    padding: 6px 16px;
    border-radius: 99px;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid transparent;
}
.b-azul {
    background: rgba(56, 189, 248, 0.1);
    color: var(--primary);
    border-color: rgba(56, 189, 248, 0.2);
}
.b-roxo {
    background: rgba(168, 85, 247, 0.1);
    color: var(--secondary);
    border-color: rgba(168, 85, 247, 0.2);
}
.b-rust {
    background: rgba(249, 115, 22, 0.1); 
    color: var(--tertiary);
    border-color: rgba(249, 115, 22, 0.2);
}
#hero h2 {
    font-size: 4rem;
    line-height: 1.1;
    margin: 1.5rem 0;
    font-weight: 800;
}
.gradient-text {
    background: var(--gradient-tech);
    background-clip: text;
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent; 
    display: inline;
}
.hero-btns {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}
.btn-primary {
    background: linear-gradient(90deg, var(--primary), var(--secondary), var(--tertiary));
    background-size: 200% auto; 
    color: #ffffff; 
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 700;
    transition: 0.5s; 
    border: none;
    display: inline-block;
    text-align: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    cursor: pointer;
}
.btn-primary:hover {
    transform: translateY(-3px);
    background-position: right center; 
    box-shadow: 0 10px 25px rgba(168, 85, 247, 0.4); 
}
.btn-outline {
    border: 1px solid var(--text-dim);
    color: var(--text-main);
    padding: 12px 28px;
    border-radius: 8px;
    text-decoration: none;
    transition: 0.3s;
}
.btn-outline:hover {
    transform: translateY(-3px);
    border-color: var(--primary);
}

/* cards section */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}
.service-card {
    background: var(--bg-card);
    padding: 3rem 2rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.05); 
    transition: all 0.3s ease; 
    text-align: center;
    position: relative;
}
.service-card:nth-child(1) i { color: var(--primary); }
.service-card:nth-child(1):hover { 
    border-color: var(--primary); 
    box-shadow: 0 10px 30px rgba(56, 189, 248, 0.15); 
}
.service-card:nth-child(2) i { color: var(--secondary); }
.service-card:nth-child(2):hover { 
    border-color: var(--secondary); 
    box-shadow: 0 10px 30px rgba(168, 85, 247, 0.15); 
}
.service-card:nth-child(3) i { color: var(--tertiary); }
.service-card:nth-child(3):hover { 
    border-color: var(--tertiary); 
    box-shadow: 0 10px 30px rgba(249, 115, 22, 0.15); 
}
.service-card i {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}
.service-card h3 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}
.service-card p {
    color: var(--text-dim);
    font-size: 1rem;
    line-height: 1.5;
}
.service-card:hover {
    transform: translateY(-8px); 
    background: rgba(30, 41, 59, 0.9); 
}

/* form */
#contact-form {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 16px;
}
.input-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 1rem;
}
input, textarea {
    background: #0f172a;
    border: 1px solid #334155;
    padding: 1rem;
    border-radius: 8px;
    color: white;
    width: 100%;
}
input:focus {
    border-color: var(--primary);
    outline: none;
}
footer {
    text-align: center;
    padding: 5px; 
    color: var(--text-dim);
    font-size: 0.9rem;
    margin-top: auto; 
}

/* code card */
.code-card {
    background: #000;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
    font-family: monospace;
    border-left: 4px solid var(--tertiary);
}
.purple { color: #c678dd; }
.yellow { color: #e5c07b; }
.blue { color: #61afef; }

/* responsividade */
@media (max-width: 768px) {
    #hero h2 { font-size: 2.5rem; }
    .hero-grid { grid-template-columns: 1fr; }
    .input-group { grid-template-columns: 1fr; }
}