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

body {
    background-image: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7)), url(../fotos/Cover1.jpg);
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    background-repeat: no-repeat;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    color: #ffffff;
    line-height: 1.6;
}

header {
    background: linear-gradient(135deg, #1e40af, #60a5fa);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.3);
}

h1 {
    color: #ffffff;
    padding: 1.5rem;
    font-size: clamp(2rem, 6vw, 2.5rem);
    font-weight: 600;
    text-align: center;
    letter-spacing: 0.03em;
    transition: transform 0.3s ease;
}

h1:hover {
    transform: scale(1.05);
}

h2 {
    color: #10b981;
    font-size: clamp(1.8rem, 5vw, 2.2rem);
    font-weight: 600;
    text-align: center;
    margin: 1.5rem 0;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.hamburger {
    display: none;
    cursor: pointer;
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    z-index: 1100;
    width: 28px;
    height: 22px;
    flex-direction: column;
    justify-content: space-between;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: #ffffff;
    transition: all 0.3s ease;
}

#menu-toggle:checked ~ .hamburger span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

#menu-toggle:checked ~ .hamburger span:nth-child(2) {
    opacity: 0;
}

#menu-toggle:checked ~ .hamburger span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

nav {
    background: transparent;
    width: 100%;
    padding: 0.75rem 0;
}

nav ul {
    list-style-type: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

nav li {
    margin: 0;
}

nav a {
    text-decoration: none;
    color: #ffffff;
    padding: 0.75rem 1.5rem;
    font-size: clamp(0.95rem, 3vw, 1rem);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 8px;
    background: rgba(255, 255, 255, 0.15);
    transition: all 0.3s ease;
}

nav a:hover,
nav a:focus {
    background: #10b981;
    color: #1e40af;
    transform: translateY(-2px);
    outline: none;
}

.portfolio {
    max-width: 1000px;
    margin: 2rem auto;
    padding: 2rem;
    background: linear-gradient(145deg, #1f2937, #111827);
    border-radius: 16px;
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
    flex: 1;
}

.portfolio p {
    font-size: clamp(0.95rem, 2.5vw, 1.1rem);
    color: #d1d5db;
    text-align: center;
    margin: 1rem 0;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.5);
    border-radius: 8px;
    transition: color 0.3s ease;
}

.portfolio p:hover {
    color: #10b981;
}

.portfolio ul {
    list-style-type: none;
    margin: 2rem 0;
    padding: 0;
    display: grid;
    gap: 1.5rem;
}

.portfolio li {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    border: 2px solid transparent;
}

.portfolio li:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 12px rgba(0, 0, 0, 0.4);
    border-color: #10b981;
}

.portfolio li a {
    text-decoration: none;
    color: #bfdbfe;
    font-size: clamp(1rem, 3vw, 1.1rem);
    font-weight: 500;
    display: block;
    text-align: center;
    transition: color 0.3s ease;
}

.portfolio li a:hover {
    color: #10b981;
}

footer {
    background: linear-gradient(135deg, #1e40af, #60a5fa);
    color: #ffffff;
    text-align: center;
    padding: 1.5rem;
    width: 100%;
    box-shadow: 0 -2px 6px rgba(0, 0, 0, 0.3);
    margin-top: auto;
}

footer p {
    font-size: clamp(0.85rem, 2vw, 0.9rem);
    margin-bottom: 1rem;
}

footer ul {
    list-style-type: none;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin: 0;
    padding: 0;
}

footer li a {
    color: #bfdbfe;
    text-decoration: none;
    font-size: clamp(0.85rem, 2vw, 0.9rem);
    transition: color 0.3s ease;
}

footer li a:hover {
    color: #10b981;
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    nav ul {
        display: none;
        flex-direction: column;
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: linear-gradient(135deg, #1e40af, #60a5fa);
        padding: 4rem 1rem 1rem;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
        transform: translateY(-100%);
        opacity: 0;
        transition: transform 0.4s ease, opacity 0.4s ease;
    }

    #menu-toggle:checked ~ nav ul {
        display: flex;
        transform: translateY(0);
        opacity: 1;
    }

    nav li {
        width: 100%;
        text-align: center;
    }

    nav a {
        padding: 1rem;
        font-size: clamp(1rem, 3vw, 1.1rem);
        margin: 0.3rem 0;
        background: rgba(255, 255, 255, 0.2);
    }

    .portfolio {
        padding: 1.5rem;
        margin: 1.5rem;
    }

    h1 {
        font-size: clamp(1.5rem, 5vw, 1.8rem);
        padding: 1rem;
    }

    h2 {
        font-size: clamp(1.4rem, 4.5vw, 1.8rem);
    }

    .portfolio p {
        font-size: clamp(0.9rem, 2.5vw, 1rem);
        padding: 1rem;
    }

    .portfolio li {
        padding: 1rem;
    }

    .portfolio li a {
        font-size: clamp(0.9rem, 2.5vw, 1rem);
    }
}

@media (max-width: 480px) {
    .portfolio {
        padding: 1rem;
        margin: 1rem;
    }

    h1 {
        font-size: clamp(1.3rem, 4vw, 1.6rem);
    }

    h2 {
        font-size: clamp(1.2rem, 4vw, 1.5rem);
    }

    .portfolio p {
        font-size: clamp(0.85rem, 2.5vw, 0.95rem);
        padding: 0.8rem;
    }

    .portfolio li {
        padding: 0.8rem;
    }

    .portfolio li a {
        font-size: clamp(0.85rem, 2.5vw, 0.95rem);
    }

    footer ul {
        flex-direction: column;
        gap: 0.8rem;
    }

    footer p, footer li a {
        font-size: clamp(0.8rem, 2vw, 0.85rem);
    }

    .hamburger {
        top: 1.2rem;
        right: 1rem;
        width: 24px;
        height: 18px;
    }
}