@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;600;700&display=swap');

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

body {
    background: #0b0b0f;
    color: #f5f5f5;
}

/* ================= HEADER (UNIFIÉ) ================= */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;

    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 2rem 6%;

    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid #222;

    z-index: 100;
}

.logo {
    width: 42px;
    height: 42px;
    border-radius: 50%;

    display: flex;
    justify-content: center;
    align-items: center;

    background: #00aaff;
    color: black;
    font-weight: 700;
    font-size: 1.8rem;

    text-decoration: none;
}

nav a {
    font-size: 1.6rem;
    margin-left: 2rem;
    color: white;
    transition: 0.2s;
}

nav a:hover {
    color: #00aaff;
    transform: translateY(-2px);
}

/* ================= HERO ================= */
.hero {
    display: flex;
    justify-content: space-between;
    align-items: center;

    padding: 120px 60px 80px;
    gap: 50px;
}

.hero-content {
    max-width: 600px;
}

.hero h1 {
    font-size: 4rem;
    background: linear-gradient(90deg, #ffffff, #00aaff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    margin-top: 20px;
    font-size: 1.5rem;
    color: #bbb;
    line-height: 1.6;
}

/* ================= TAGS ================= */
.tags {
    margin-top: 20px;
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tags span {
    padding: 6px 12px;
    border: 1px solid #00aaff;
    color: #00aaff;
    border-radius: 8px;
    font-size: 1.2rem;
}

/* ================= BUTTON ================= */
.btn {
    display: inline-block;
    margin-top: 25px;
    padding: 12px 20px;
    background: #00aaff;
    color: black;
    font-weight: 600;
    border-radius: 10px;
    text-decoration: none;
    transition: 0.3s;
}

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

/* ================= IMAGE ================= */
.hero-image img {
    width: 420px;
    border-radius: 15px;
    border: 2px solid #00aaff;
}

/* ================= SECTION ================= */
.section {
    padding: 80px 60px;
}

.section h2 {
    font-size: 3rem;
    margin-bottom: 30px;
}

/* ================= BOX ================= */
.box {
    border: 1px solid #00aaff;
    background: rgba(0, 170, 255, 0.05);
    padding: 25px;
    border-radius: 12px;
    color: #bbb;
    font-size: 1.5rem;
    line-height: 1.7;
}

/* ================= GRID ================= */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
}

.card {
    padding: 20px;
    border: 1px solid #00aaff;
    border-radius: 12px;
    background: #121212;
    font-size: 1.4rem;
    transition: 0.3s;
}

.card:hover {
    transform: translateY(-5px);
}