/* =========================================================
   TOKENS
========================================================= */
:root {
    --lef-apricot: rgb(240, 150, 75);
    --lef-orange: #ed7a23;
    --lef-grey: #626576;
    --lef-purple: #9300c9;
    --lef-blue: #77b6e4;
    --lef-slate: #4a4f63;
    --lef-ink: #0b1324;
    --lef-midnight: #050916;
    --lef-navy: #16233e;
    --page-bg: #f5f7fb;
    --radius: 18px;
    --shadow: 0 10px 25px rgba(0, 0, 0, 0.06);
}

/* =========================================================
   BASE
========================================================= */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
body {
    font-family: Roboto, Arial, sans-serif;
    color: var(--lef-grey);
    background: var(--page-bg);
    scroll-behavior: smooth;
}
a {
    color: var(--lef-orange);
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 18px;
    border-radius: 999px;
    border: 1px solid #eee;
    box-shadow: var(--shadow);
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    transition:
        transform 0.2s ease,
        box-shadow 0.2s ease,
        background 0.2s ease,
        color 0.2s ease,
        border-color 0.2s ease;
}
.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.08);
}
.btn:focus-visible {
    outline: 3px solid rgba(240, 150, 75, 0.35);
    outline-offset: 2px;
}
.btn:active {
    transform: translateY(0);
    box-shadow: var(--shadow);
}
.primary {
    background: var(--lef-apricot);
    color: #fff;
    border: none;
}
.btn.secondary {
    background: #fff;
    color: var(--lef-apricot);
    border: 2px solid var(--lef-apricot);
}

.scroll-top {
    position: fixed;
    right: 20px;
    bottom: 20px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: none;
    background: var(--lef-apricot);
    color: #fff;
    font-size: 1.1rem;
    font-weight: 600;
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.25);
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition:
        opacity 0.2s ease,
        transform 0.2s ease,
        visibility 0.2s;
    z-index: 40;
}
.scroll-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}
.scroll-top:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
}

/* Reveal utility */
.reveal {
    opacity: 0;
    transform: translateY(12px);
}
.reveal.in {
    opacity: 1;
    transform: none;
    transition:
        opacity 0.6s ease,
        transform 0.6s ease;
}