/* Scroll Reveal */

.reveal-hidden {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.reveal-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero Section */

.portfolio-hero-section {
    min-height: 100vh;
    background-image:
        linear-gradient(
            rgba(0, 0, 0, 0.7),
            rgba(0, 0, 0, 0.85)
        ),
        url("./assets/portfolio-hero.png");

    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    height: 50vh;
}

.section-heading.hero {
    color: var(--white);
    font-size: 3.8rem;
    text-transform: uppercase;
    font-weight: 800;
    font-family: var(--font-heading);
    margin-bottom: 0.75rem;
}

.container-text {
    padding: 100px;
}

.container-text p {
    color: var(--accent);
    font-family: var(--font-body);
    text-align: center;
    font-size: 1.2rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    text-decoration: none;
}

.scroll-circle {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.2);
    color: var(--accent);
    font-size: 1.5rem;
    backdrop-filter: blur(10px);
    animation: bounce 2s infinite;
}

.scroll-circle:hover {
    border: solid 2px var(--accent);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-12px);
    }

    60% {
        transform: translateY(-6px);
    }
}

/* Hero Section Responsive */

@media (max-width: 900px) {
    .container-text {
        text-align: center;
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
        margin: 0 auto;
        font-family: var(--font-heading);
    }
}

/* Portfolio Section */

.portfolio-section {
    background-color: var(--bg);
    padding: 100px;
}

.real-world {
    color: var(--accent);
}

.portfolio-h3 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.portfolio-card {
    max-width: 900px;
    margin: 3rem auto 0;
    padding: 2rem;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 20px;
    transition: all 0.3s ease;
}

.section-heading.hero.p {
    color: var(--white);
}

.portfolio-h3 {
    color: var(--white);
}

.portfolio-card img {
    width: 100%;
    max-width: 800px;
    height: auto;
    display: block;
    margin: 0 auto 2rem;
    border-radius: 12px;
}

.portfolio-card h4 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--accent);
}

.portfolio-card p {
    margin-bottom: 1.5rem;
    max-width: 60ch;
    color: var(--white);
    font-family: var(--font-body);
}

/* Tablet */

@media (max-width: 900px) {

    .portfolio-hero-section {
        min-height: 100vh;
        height: auto;
        padding: 120px 24px 80px;
        text-align: center;
    }

    .container-text {
        padding: 0;
        max-width: 700px;
        margin: 0 auto;
    }

    .section-heading.hero {
        font-size: 3rem;
    }

    .portfolio-section {
        padding: 80px 24px;
    }

    .portfolio-card {
        padding: 1.5rem;
    }

    .portfolio-card p {
        max-width: 100%;
    }
}

/* Mobile */

@media (max-width: 500px) {

    .section-heading.hero {
        font-size: 2rem;
        line-height: 1.1;
    }

    .container-text p {
        font-size: 0.95rem;
    }

    .portfolio-section {
        padding: 60px 18px;
    }

    .portfolio-h3 {
        font-size: 1.8rem;
    }

    .portfolio-card {
        margin-top: 2rem;
        padding: 1.2rem;
        border-radius: 16px;
    }

    .portfolio-card h4 {
        font-size: 1.6rem;
    }

    .portfolio-card img {
        border-radius: 10px;
    }

    .scroll-indicator {
        bottom: 20px;
    }

    .scroll-circle {
        width: 50px;
        height: 50px;
        font-size: 1.2rem;
    }
}