/* ─── Root Palette ───────────────────────────────────────── */
:root {
    --yellow: #ffd93b;      /* primary accent */
    --yellow-dark: #e6c317; /* hover shade   */
    --black:  #111;
    --white:  #fff;
    --gray-100: #f7f7f7;    /* very light “white” hue */
    --radius: 10px;
    --transition: 0.25s ease;
}

/* ─── Global Reset & Typography ─────────────────────────── */
* { box-sizing: border-box; }
html,body { height: 100%; margin: 0; }
body {
    font-family: "Poppins", sans-serif;
    color: var(--black);
    background: var(--gray-100);
    display: flex;
}

.page-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    width: 100%;
    align-items: center;
}

/* ─── Hero Section ──────────────────────────────────────── */
.hero {
    position: relative;
    width: 100%;
    padding: 6rem 1rem 4rem;
    overflow: hidden;
    text-align: center;
    color: var(--white);
}
.hero__content {
    max-width: 800px;
    margin: 0 auto;
    z-index: 1;
    position: relative;
}
.hero h1 {
    font-weight: 600;
    font-size: clamp(2rem, 5vw, 3.5rem);
    margin: 0 0 0.5rem;
}
.hero p {
    font-size: 1.125rem;
    margin: 0;
}

/* subtle angled yellow gradient background */
.hero__bg {
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top left, var(--yellow-dark) 0%, var(--yellow) 60%, var(--yellow) 100%);
    transform: skewY(-3deg);
    transform-origin: top left;
    z-index: 0;
}

/* ─── Main Container ────────────────────────────────────── */
.container {
    background: var(--white);
    width: 100%;
    max-width: 900px;
    border-radius: var(--radius);
    padding: 2.5rem 2rem 3rem;
    box-shadow: 0 8px 24px rgba(0,0,0,0.05);
    margin-top: -3.5rem;           /* “card” overlaps hero */
    z-index: 2;
}

.tool__lead {
    text-align: center;
    margin: 0 0 1.75rem;
}

/* ─── Input Section ─────────────────────────────────────── */
.input-section {
    display: flex;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.input-section input[type="text"] {
    flex: 1 1 350px;
    min-width: 0;
    padding: 0.9rem 1.1rem;
    border: 2px solid var(--black);
    border-radius: var(--radius);
    font-size: 1rem;
}
.input-section button {
    background: var(--yellow);
    color: var(--black);
    border: none;
    padding: 0.9rem 1.25rem;
    border-radius: var(--radius);
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition), transform var(--transition);
}
.input-section button:hover,
.input-section button:focus-visible {
    background: var(--yellow-dark);
    transform: translateY(-2px);
}

/* ─── Thumbnails Grid ───────────────────────────────────── */
.thumbnails-display {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-top: 2.25rem;
}

/* each thumbnail “card” */
.thumbnail-item {
    background: var(--white);
    border: 1px solid #e0e0e0;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 2px 6px rgba(0,0,0,0.04);
    transform: translateY(20px);
    opacity: 0;
    animation: fadeUp 0.6s forwards;
}

.thumbnail-item img {
    width: 100%;
    display: block;
}

/* info + download link */
.thumb-info {
    padding: 0.85rem 0.9rem 1.1rem;
    text-align: center;
}
.thumb-info p {
    font-size: 0.85rem;
    margin: 0 0 0.9rem;
}
.thumb-info a {
    display: inline-block;
    text-decoration: none;
    background: var(--yellow);
    color: var(--black);
    padding: 0.5rem 0.9rem;
    border-radius: calc(var(--radius) / 1.4);
    font-weight: 600;
    transition: background var(--transition), transform var(--transition);
}
.thumb-info a:hover {
    background: var(--yellow-dark);
    transform: translateY(-2px);
}

/* hover effect for whole card */
.thumbnail-item:hover {
    box-shadow: 0 6px 20px rgba(0,0,0,0.08);
    transform: translateY(-4px);
}

/* entrance animation */
@keyframes fadeUp {
    to { opacity: 1; transform: translateY(0); }
}

/* ─── Footer ───────────────────────────────────────────── */
footer {
    margin-top: auto;
    width: 100%;
    max-width: 900px;
    text-align: center;
    padding: 2rem 1rem 3rem;
    font-size: 0.9rem;
    color: var(--black);
}
footer p { margin: 0.3rem 0; }
footer a {
    color: var(--black);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition);
}
footer a:hover { color: var(--yellow-dark); }

/* ─── Responsiveness tweaks ─────────────────────────────── */
@media (max-width: 540px) {
    .container { padding: 2rem 1.25rem 2.5rem; }
    .input-section input[type="text"] { flex: 1 1 100%; }
    .input-section button           { width: 100%; }
}