/* =========================================================
   FITRO NAVBAR — PROFESSIONAL DARK GLASS VERSION
   Full replacement CSS
========================================================= */

:root{
    --fitro-nav-bg: rgba(12, 22, 40, 0.72);
    --fitro-nav-bg-solid: #111d31;
    --fitro-nav-border: rgba(255,255,255,0.10);
    --fitro-nav-shadow: 0 18px 44px rgba(2, 10, 24, 0.34);

    --fitro-text-main: #F5F8FF;
    --fitro-text-soft: rgba(245,248,255,0.76);
    --fitro-text-muted: rgba(245,248,255,0.58);

    --fitro-accent: #8CB4FF;
    --fitro-accent-2: #A9DDFC;

    --fitro-pill-bg: rgba(255,255,255,0.08);
    --fitro-hover-bg: rgba(255,255,255,0.08);
    --fitro-active-bg: rgba(169,221,252,0.12);

    --fitro-cta-bg: linear-gradient(135deg, #FFFDF7 0%, #F2F0E9 100%);
    --fitro-cta-text: #152744;
    --fitro-cta-shadow: 0 14px 28px rgba(0,0,0,0.22);

    --fitro-logo-tile: linear-gradient(145deg, #132745 0%, #0B1630 100%);
    --fitro-logo-shadow: 0 10px 22px rgba(0,0,0,0.22);
}

.fitro-site-header,
.fitro-site-header *{
    box-sizing:border-box;
}

.fitro-site-header{
    position:fixed !important;
    top:0 !important;
    left:0 !important;
    right:0 !important;
    z-index:2147483000 !important;
    width:100%;
    padding:18px clamp(14px, 2.5vw, 42px);
    pointer-events:none;
    transform:none !important;
    isolation:isolate;
    transition:padding .28s ease;
    font-family:Inter, Arial, sans-serif;
}

.fitro-site-header.is-scrolled{
    padding-top:10px;
    padding-bottom:10px;
}

.fitro-site-header .fitro-site-nav-shell{
    position:relative;
    width:min(1240px, 100%);
    height:74px;
    margin:0 auto;
    display:grid;
    grid-template-columns:88px minmax(0,1fr) 196px;
    align-items:center;
    column-gap:18px;
    padding:0 16px 0 16px;

        border: 1px solid rgb(255 255 255 / 49%);
    border-radius:24px;
   background: rgb(173 180 189 / 27%);
    box-shadow:var(--fitro-nav-shadow);

    -webkit-backdrop-filter: blur(18px);
    backdrop-filter: blur(18px);

    pointer-events:auto;
    transition:
        height .28s ease,
        box-shadow .28s ease,
        background .28s ease,
        border-color .28s ease;
}

.fitro-site-header.is-scrolled .fitro-site-nav-shell{
    height:67px;
    box-shadow:0 15px 36px rgba(2, 10, 24, 0.30);
    background:rgba(11, 21, 37, 0.82);
}

/* =========================
   BRAND
========================= */

/* =========================
   NAV LINKS
========================= */
.fitro-site-header .fitro-site-nav{
    position:static;
    display:flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    min-width:0;
    width:100%;

    opacity:1;
    visibility:visible;
    transform:none;
    box-shadow:none;
    border:0;
    background:transparent;
}

.fitro-site-header .fitro-site-nav > a{
    position:relative;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    flex:0 0 auto;
    min-height:42px;
    padding:11px 15px;
    border-radius:13px;

    text-decoration:none !important;
    white-space:nowrap;

    color:var(--fitro-text-soft);
    font:600 13px/1.15 Inter, Arial, sans-serif;
    letter-spacing:-0.01em;

    background:transparent;
    transition:
        color .22s ease,
        background .22s ease,
        transform .22s ease;
}

.fitro-site-header .fitro-site-nav > a::after{
    content:"";
    position:absolute;
    left:50%;
    bottom:8px;
    width:0;
    height:2px;
    border-radius:2px;
    background:linear-gradient(90deg, var(--fitro-accent), var(--fitro-accent-2));
    transform:translateX(-50%);
    transition:width .24s ease;
}

.fitro-site-header .fitro-site-nav > a:hover{
    color:#ffffff;
    background:var(--fitro-hover-bg);
}

.fitro-site-header .fitro-site-nav > a:hover::after{
    width:24px;
}



.fitro-site-header .fitro-site-nav > a.active::after,
.fitro-site-header .fitro-site-nav > a[aria-current="location"]::after{
    width:24px;
}

/* =========================
   RIGHT SIDE / CTA
========================= */
.fitro-site-header .fitro-site-nav-end{
    display:flex;
    align-items:center;
    justify-content:flex-end;
    gap:10px;
    min-width:0;
}

.fitro-site-header .fitro-site-cta{
    position:relative;
    display:inline-flex;
    justify-content:center;
    align-items:center;
    gap:10px;
    height:46px;
    min-width:164px;
    padding:0 18px;
    border-radius:14px;

    background:var(--fitro-cta-bg);
    color:var(--fitro-cta-text) !important;
    border:1px solid rgba(255,255,255,0.80);
    text-decoration:none !important;
    white-space:nowrap;

    font:700 12px/1 Inter, Arial, sans-serif;
    box-shadow:var(--fitro-cta-shadow);
    overflow:hidden;

    transition:
        transform .24s ease,
        box-shadow .24s ease,
        background .24s ease;
}

.fitro-site-header .fitro-site-cta::before{
    content:"";
    position:absolute;
    top:-60%;
    left:-70%;
    width:40%;
    height:220%;
    background:linear-gradient(
        90deg,
        transparent,
        rgba(255,255,255,0.42),
        transparent
    );
    transform:rotate(24deg);
    transition:left .65s ease;
}

.fitro-site-header .fitro-site-cta:hover{
    transform:translateY(-2px);
    box-shadow:0 18px 34px rgba(0,0,0,0.24);
}

.fitro-site-header .fitro-site-cta:hover::before{
    left:130%;
}

.fitro-site-header .fitro-site-cta span,
.fitro-site-header .fitro-site-cta b{
    position:relative;
    z-index:1;
}

.fitro-site-header .fitro-site-cta b{
    font-weight:700;
    font-size:13px;
    transform:translateY(-1px);
}

/* =========================
   MENU BUTTON
========================= */
.fitro-site-header .fitro-site-menu-btn{
    display:none;
    flex:none;
    align-items:center;
    justify-content:center;
    flex-direction:column;
    gap:6px;

    width:44px;
    height:44px;
    padding:0;
    border:1px solid rgba(255,255,255,0.10);
    border-radius:14px;

    background:rgba(255,255,255,0.08);
    cursor:pointer;
}

.fitro-site-header .fitro-site-menu-btn span{
    display:block;
    width:20px;
    height:2px;
    background:#F5F8FF;
    border-radius:2px;
    transition:transform .22s ease, opacity .22s ease;
}

/* =========================
   FOCUS
========================= */
.fitro-site-header a:focus-visible,
.fitro-site-header button:focus-visible{
    outline:3px solid var(--fitro-accent-2);
    outline-offset:3px;
}

/* =========================
   TABLET / SMALL DESKTOP
========================= */
@media (max-width: 1100px){
    .fitro-site-header{
        padding:14px 16px;
    }

    .fitro-site-header .fitro-site-nav-shell{
        grid-template-columns:72px minmax(0,1fr) 208px;
        height:68px;
        border-radius:22px;
    }

    .fitro-site-header .fitro-site-nav > a{
        padding:10px 12px;
        font-size:12px;
    }

    .fitro-site-header .fitro-site-cta{
        min-width:154px;
        height:44px;
        padding:0 15px;
        font-size:11px;
    }
}

/* =========================
   MOBILE NAV
========================= */
@media (max-width: 920px){
    .fitro-site-header{
        padding:11px 14px;
    }

    .fitro-site-header .fitro-site-nav-shell{
        grid-template-columns:62px minmax(0,1fr) auto;
        height:64px;
        padding:0 11px 0 11px;
        column-gap:10px;
        border-radius:20px;
    }

    .fitro-site-header .fitro-site-brand{
        width:52px;
        height:52px;
    }

    .fitro-site-header .fitro-site-brand::before{
        inset:4px;
        border-radius:14px;
    }

    .fitro-site-header .fitro-site-brand-logo{
        width:42px;
        height:42px;
    }

    .fitro-site-header .fitro-site-menu-btn{
        display:flex;
    }

    .fitro-site-header .fitro-site-nav-end{
        grid-column:3;
        gap:8px;
    }

    .fitro-site-header .fitro-site-cta{
        min-width:0;
        height:40px;
        padding:0 14px;
        font-size:11px;
        border-radius:12px;
    }

    .fitro-site-header .fitro-site-nav{
        position:absolute;
        top:calc(100% + 10px);
        left:0;
        right:0;
        width:100%;

        display:flex;
        flex-direction:column;
        align-items:stretch;
        justify-content:flex-start;
        gap:4px;
        padding:12px;

        border:1px solid rgba(255,255,255,0.10);
        border-radius:18px;
        background:rgba(10, 18, 32, 0.92);
        box-shadow:0 20px 40px rgba(0,0,0,0.28);

        -webkit-backdrop-filter: blur(18px);
        backdrop-filter: blur(18px);

        opacity:0;
        visibility:hidden;
        pointer-events:none;
        transform:translateY(-8px);

        max-height:calc(100dvh - 100px);
        overflow-y:auto;

        transition:
            opacity .22s ease,
            transform .22s ease,
            visibility .22s ease;
    }

    .fitro-site-header.is-menu-open .fitro-site-nav{
        opacity:1;
        visibility:visible;
        pointer-events:auto;
        transform:translateY(0);
    }

    .fitro-site-header .fitro-site-nav > a{
        justify-content:flex-start;
        width:100%;
        min-height:46px;
        padding:0 15px;
        border-radius:14px;
        font-size:14px;
        color:var(--fitro-text-main);
    }

    .fitro-site-header .fitro-site-nav > a::after{
        left:16px;
        bottom:9px;
        transform:none;
    }

    .fitro-site-header.is-menu-open .fitro-site-menu-btn span:first-child{
        transform:translateY(4px) rotate(45deg);
    }

    .fitro-site-header.is-menu-open .fitro-site-menu-btn span:last-child{
        transform:translateY(-4px) rotate(-45deg);
    }
}

/* =========================
   SMALL MOBILE
========================= */
@media (max-width: 580px){
    .fitro-site-header,
    .fitro-site-header.is-scrolled{
        padding:9px 10px;
    }

    .fitro-site-header .fitro-site-nav-shell,
    .fitro-site-header.is-scrolled .fitro-site-nav-shell{
        height:60px;
        grid-template-columns:54px minmax(0,1fr) auto;
        padding:0 8px 0 9px;
        border-radius:18px;
        gap:7px;
    }

    .fitro-site-header .fitro-site-brand{
        width:48px;
        height:48px;
    }

    .fitro-site-header .fitro-site-brand-logo{
        width:38px;
        height:38px;
    }

    .fitro-site-header .fitro-site-nav-end{
        gap:8px;
    }

    .fitro-site-header .fitro-site-cta{
        height:38px;
        padding:0 12px;
        font-size:10px;
        gap:6px;
    }

    .fitro-site-header .fitro-site-menu-btn{
        width:40px;
        height:40px;
        border-radius:12px;
    }

    .fitro-site-header .fitro-site-nav{
        top:calc(100% + 8px);
    }
}

/* =========================
   VERY SMALL MOBILE
========================= */
@media (max-width: 380px){
    .fitro-site-header .fitro-site-cta{
        font-size:0;
        min-width:40px;
        width:40px;
        padding:0;
    }

    .fitro-site-header .fitro-site-cta span{
        display:none;
    }

    .fitro-site-header .fitro-site-cta b{
        font-size:16px;
        transform:none;
    }
}

/* =========================
   SECTION ANCHOR OFFSET
========================= */
#fitro-home,
#fitro-body-scan,
#fitro-features,
#fitro-ai,
#trainerExperienceStory{
    scroll-margin-top:96px;
}

/* =========================
   REDUCED MOTION
========================= */
@media (prefers-reduced-motion: reduce){
    .fitro-site-header,
    .fitro-site-header *{
        transition:none !important;
    }
}