/**
 * Prime EMS — site geneli UI kabuğu ve yardımcı sınıflar
 * Yüklenme sırası: theme → footer-fixes → modern-enhancements → site-ui → site-elevated
 * Koyu sayfa düzeltmeleri (kalori, blog) body.* seçicileriyle bu kuralların üzerine biner.
 */

:root {
    --site-nav-bg: rgba(255, 255, 255, 0.98);
    --site-nav-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
    --site-section-y: clamp(3rem, 6vw, 5rem);
    --site-content-max: var(--site-max-width, 1140px);
}

/* ----- Genel kabuk: sabit üst menü (tüm public sayfalar) ----- */
.navbar.navbar-expand-lg.fixed-top,
.navbar.navbar-expand-lg.navbar-light.fixed-top {
    background: var(--site-nav-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: var(--site-nav-shadow);
    transition: var(--transition-normal, all 0.3s ease);
}

.navbar .navbar-brand {
    font-family: var(--font-primary, 'Poppins', sans-serif);
    font-weight: 700;
    font-size: 1.8rem;
    background: var(--prime-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.navbar .navbar-nav .nav-link {
    font-weight: 500;
    color: var(--prime-dark) !important;
    margin: 0 0.5rem;
    transition: var(--transition-normal, all 0.3s ease);
    position: relative;
}

.navbar .navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--prime-gold);
    transition: width 0.3s ease;
}

.navbar .navbar-nav .nav-link:hover::after,
.navbar .navbar-nav .nav-link:focus-visible::after {
    width: 100%;
}

.navbar .navbar-nav .nav-link:focus-visible {
    outline: 2px solid var(--prime-gold);
    outline-offset: 2px;
}

/* ----- Bölüm yardımcıları (iç sayfalar + anasayfa ortak) ----- */
.site-section-y {
    padding-block: var(--site-section-y);
}

.section-overline {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--prime-gray);
    margin-bottom: 0.5rem;
}

.section-lead {
    font-size: clamp(1rem, 2vw, 1.15rem);
    color: var(--prime-gray);
    line-height: 1.65;
    max-width: 42rem;
}

.surface-card {
    background: var(--prime-white);
    border-radius: var(--radius-lg, 20px);
    border: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: var(--prime-shadow-card);
    transition: var(--transition-normal, all 0.3s ease);
}

.surface-card:hover {
    box-shadow: var(--prime-shadow-card-hover);
    border-color: rgba(255, 215, 0, 0.2);
}

@media (max-width: 768px) {
    .navbar .navbar-brand {
        font-size: 1.3rem;
    }

    .navbar .navbar-nav .nav-link {
        padding: 12px 16px;
        min-height: 44px;
        display: flex;
        align-items: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .navbar.navbar-expand-lg.fixed-top,
    .navbar .navbar-nav .nav-link,
    .surface-card {
        transition: none !important;
    }

    .navbar .navbar-nav .nav-link::after {
        transition: none !important;
    }
}