/* ================================================================
   KHALIDA FOUNDATION — SHARED NAVBAR SYSTEM
   Applies to all pages. Path-independent (uses relative links).
   ================================================================ */

:root {
    --kf-teal:      #1F3A46;
    --kf-teal-deep: #0f2830;
    --kf-amber:     #D46A3A;
    --kf-gold:      #F0D8C2;
    --kf-white:     #ffffff;
    --nav-h:        66px;
    --nav-h-sm:     54px;
    --nav-ease:     cubic-bezier(0.4, 0, 0.2, 1);
}

/* ── Reading progress bar ─────────────────────────────────────── */
#kf-progress {
    position: fixed;
    top: 0; left: 0;
    width: 0%;
    height: 3px;
    background: linear-gradient(90deg, var(--kf-amber), var(--kf-gold));
    z-index: 9999;
    transition: width 0.1s linear;
    border-radius: 0 2px 2px 0;
    box-shadow: 0 0 8px rgba(212,106,58,0.55);
    pointer-events: none;
}

/* ── Utility strip ────────────────────────────────────────────── */
#kf-topbar {
    background: var(--kf-teal-deep);
    border-bottom: 1px solid rgba(212,106,58,0.18);
    height: 34px;
    display: flex;
    align-items: center;
    overflow: hidden;
    transition: height 0.3s var(--nav-ease), opacity 0.3s var(--nav-ease);
    position: relative;
    z-index: 1031;
}
#kf-topbar.kf-hidden { height: 0; opacity: 0; pointer-events: none; }

.kf-topbar-inner {
    width: 100%; max-width: 1400px;
    margin: 0 auto; padding: 0 2rem;
    display: flex; align-items: center;
    justify-content: space-between; gap: 1rem;
}
.kf-topbar-left  { display: flex; align-items: center; gap: 1.5rem; }
.kf-topbar-right { display: flex; align-items: center; gap: 0.6rem; }

.kf-topbar-item {
    display: inline-flex; align-items: center; gap: 0.35rem;
    color: rgba(240,216,194,0.72); font-size: 0.72rem;
    font-weight: 600; letter-spacing: 0.3px;
    white-space: nowrap; text-decoration: none;
}
.kf-topbar-item i { color: var(--kf-amber); font-size: 0.68rem; }
.kf-topbar-item:hover { color: var(--kf-gold); }

.kf-session-pill {
    display: inline-flex; align-items: center; gap: 0.35rem;
    background: rgba(212,106,58,0.16);
    border: 1px solid rgba(212,106,58,0.32);
    color: var(--kf-gold);
    padding: 0.18rem 0.7rem; border-radius: 20px;
    font-size: 0.68rem; font-weight: 700;
    letter-spacing: 0.6px; text-transform: uppercase;
}
.kf-session-pill i { color: var(--kf-amber); font-size: 0.65rem; }

.kf-social {
    display: inline-flex; align-items: center;
    justify-content: center;
    width: 24px; height: 24px; border-radius: 6px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    color: rgba(240,216,194,0.7); font-size: 0.7rem;
    text-decoration: none;
    transition: all 0.2s ease;
}
.kf-social:hover {
    background: rgba(212,106,58,0.22);
    border-color: rgba(212,106,58,0.5);
    color: var(--kf-gold); transform: translateY(-1px);
}

/* ── Main navbar shell ────────────────────────────────────────── */
#kf-nav {
    position: sticky; top: 0; z-index: 1030;
    width: 100%; height: var(--nav-h);
    background: rgba(20, 40, 50, 0.94);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid rgba(212,106,58,0.15);
    box-shadow: 0 2px 20px rgba(0,0,0,0.16);
    display: flex; align-items: center;
    transition: height 0.3s var(--nav-ease),
                background 0.3s var(--nav-ease),
                box-shadow 0.3s var(--nav-ease);
}
#kf-nav.kf-scrolled {
    height: var(--nav-h-sm);
    background: rgba(13, 28, 36, 0.98);
    box-shadow: 0 4px 30px rgba(0,0,0,0.26), 0 1px 0 rgba(212,106,58,0.1);
}
#kf-nav::after {
    content: '';
    position: absolute; bottom: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(212,106,58,0.45) 30%,
                rgba(240,216,194,0.35) 50%, rgba(212,106,58,0.45) 70%, transparent 100%);
    opacity: 0; transition: opacity 0.3s ease;
}
#kf-nav.kf-scrolled::after { opacity: 1; }

.kf-nav-inner {
    width: 100%; max-width: 1400px;
    margin: 0 auto; padding: 0 2rem;
    display: flex; align-items: center; gap: 0.5rem;
}

/* ── Brand ────────────────────────────────────────────────────── */
.kf-brand {
    display: flex; align-items: center; gap: 0.65rem;
    text-decoration: none; flex-shrink: 0; margin-right: 1rem;
}
.kf-brand-icon {
    position: relative;
    width: 38px; height: 38px; border-radius: 10px;
    background: linear-gradient(135deg, var(--kf-amber) 0%, #e8845a 100%);
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 14px rgba(212,106,58,0.38);
    flex-shrink: 0;
    transition: transform 0.4s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.3s ease;
}
.kf-brand:hover .kf-brand-icon {
    transform: rotate(12deg) scale(1.08);
    box-shadow: 0 6px 20px rgba(212,106,58,0.52);
}
.kf-brand-icon i { color: var(--kf-white) !important; font-size: 1rem; }
.kf-brand-icon::before {
    content: ''; position: absolute; inset: -3px;
    border-radius: 13px; border: 2px solid rgba(212,106,58,0.38);
    opacity: 0; transform: scale(0.85);
    transition: all 0.3s ease;
}
.kf-brand:hover .kf-brand-icon::before { opacity: 1; transform: scale(1); }

.kf-brand-text { display: flex; flex-direction: column; line-height: 1.15; }
.kf-brand-name {
    font-size: 0.97rem; font-weight: 800;
    color: var(--kf-white) !important;
    letter-spacing: 0.1px;
    transition: color 0.2s ease;
    -webkit-text-fill-color: var(--kf-white) !important;
}
.kf-brand:hover .kf-brand-name { color: var(--kf-gold) !important; -webkit-text-fill-color: var(--kf-gold) !important; }
.kf-brand-sub {
    font-size: 0.59rem; font-weight: 600;
    color: rgba(240,216,194,0.5);
    letter-spacing: 0.9px; text-transform: uppercase;
}

/* ── Desktop nav links ────────────────────────────────────────── */
.kf-nav-links {
    display: flex; align-items: center; gap: 0.1rem;
    list-style: none; margin: 0; padding: 0; flex: 1;
}
.kf-nav-links > li { position: relative; }

.kf-link {
    display: inline-flex; align-items: center; gap: 0.3rem;
    padding: 0.48rem 0.82rem; border-radius: 8px;
    color: rgba(255,255,255,0.82);
    font-size: 0.85rem; font-weight: 600;
    letter-spacing: 0.15px; text-decoration: none;
    white-space: nowrap;
    transition: color 0.2s ease, background 0.2s ease;
    position: relative;
}
.kf-link:hover, .kf-link[aria-expanded="true"] {
    color: var(--kf-white);
    background: rgba(255,255,255,0.09);
}
.kf-link::after {
    content: ''; position: absolute;
    bottom: 3px; left: 50%; transform: translateX(-50%);
    width: 0; height: 2px;
    background: linear-gradient(90deg, var(--kf-amber), var(--kf-gold));
    border-radius: 2px; transition: width 0.26s var(--nav-ease);
}
.kf-link:hover::after, .kf-link.kf-active::after { width: 52%; }
.kf-link.kf-active {
    color: var(--kf-gold) !important;
    background: rgba(212,106,58,0.11);
}
.kf-chevron {
    font-size: 0.62rem; opacity: 0.7;
    transition: transform 0.22s ease;
}
.kf-link[aria-expanded="true"] .kf-chevron { transform: rotate(180deg); opacity: 1; }

/* ── Dropdown panel ───────────────────────────────────────────── */
.kf-dropdown {
    position: absolute; top: calc(100% + 8px); left: 50%;
    transform: translateX(-50%) translateY(-6px);
    min-width: 240px;
    background: rgba(255,255,255,0.99);
    border: 1px solid rgba(31,58,70,0.1);
    border-radius: 16px;
    box-shadow: 0 20px 55px rgba(0,0,0,0.13), 0 4px 14px rgba(0,0,0,0.07);
    padding: 0.55rem;
    opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity 0.2s var(--nav-ease),
                transform 0.2s var(--nav-ease),
                visibility 0.2s;
    z-index: 200;
}
.kf-dropdown::before {
    content: ''; position: absolute;
    top: -6px; left: 50%; transform: translateX(-50%);
    width: 12px; height: 6px;
    background: rgba(255,255,255,0.99);
    clip-path: polygon(50% 0%, 0% 100%, 100% 100%);
}
.kf-nav-links > li:hover > .kf-dropdown,
.kf-nav-links > li:focus-within > .kf-dropdown,
.kf-dropdown.kf-open {
    opacity: 1; visibility: visible; pointer-events: auto;
    transform: translateX(-50%) translateY(0);
}
/* Right-align last two dropdowns */
.kf-nav-links > li:nth-last-child(-n+3) .kf-dropdown {
    left: auto; right: 0; transform: translateY(-6px);
}
.kf-nav-links > li:nth-last-child(-n+3) .kf-dropdown::before {
    left: auto; right: 20px; transform: none;
}
.kf-nav-links > li:nth-last-child(-n+3):hover > .kf-dropdown,
.kf-nav-links > li:nth-last-child(-n+3):focus-within > .kf-dropdown {
    transform: translateY(0);
}

.kf-dd-header {
    font-size: 0.67rem; font-weight: 800;
    letter-spacing: 1px; text-transform: uppercase;
    color: var(--kf-teal); opacity: 0.48;
    padding: 0.6rem 0.85rem 0.28rem;
}
.kf-dd-divider {
    height: 1px; background: rgba(31,58,70,0.07);
    margin: 0.35rem 0.5rem;
}
.kf-dd-item {
    display: flex; align-items: center; gap: 0.55rem;
    padding: 0.58rem 0.85rem; border-radius: 9px;
    color: var(--kf-teal); font-size: 0.845rem;
    font-weight: 600; text-decoration: none;
    transition: background 0.16s ease, padding-left 0.16s ease;
}
.kf-dd-item:hover {
    background: linear-gradient(135deg, rgba(212,106,58,0.09), rgba(240,216,194,0.12));
    color: var(--kf-teal); padding-left: 1.05rem;
}
.kf-dd-item.kf-dd-active {
    background: linear-gradient(135deg, var(--kf-amber), #e8845a);
    color: white;
}
.kf-dd-icon {
    width: 26px; height: 26px; border-radius: 7px;
    background: rgba(31,58,70,0.07);
    display: flex; align-items: center; justify-content: center;
    font-size: 0.72rem; color: var(--kf-amber); flex-shrink: 0;
    transition: background 0.16s ease;
}
.kf-dd-item:hover .kf-dd-icon { background: rgba(212,106,58,0.14); }
.kf-dd-item.kf-dd-active .kf-dd-icon { background: rgba(255,255,255,0.2); color: white; }

/* ── Blog mega-dropdown ───────────────────────────────────────── */
.kf-mega { min-width: 340px; }
.kf-mega-grid {
    display: grid; grid-template-columns: 1fr 1fr; gap: 0.22rem;
}
.kf-session-item {
    display: flex; align-items: center; gap: 0.45rem;
    padding: 0.48rem 0.7rem; border-radius: 8px;
    color: var(--kf-teal); font-size: 0.8rem;
    font-weight: 600; text-decoration: none;
    transition: background 0.16s ease;
}
.kf-session-item:hover { background: rgba(31,58,70,0.06); color: var(--kf-teal); }
.kf-session-item.kf-current {
    background: linear-gradient(135deg, rgba(212,106,58,0.11), rgba(240,216,194,0.14));
    border: 1px solid rgba(212,106,58,0.2);
}
.kf-s-badge {
    display: inline-flex; align-items: center; justify-content: center;
    min-width: 24px; height: 18px; border-radius: 4px;
    font-size: 0.62rem; font-weight: 800; color: white;
    flex-shrink: 0; letter-spacing: 0.3px;
}
.kf-s-badge.s1 { background: #3498db; }
.kf-s-badge.s2 { background: #27ae60; }
.kf-s-badge.s3 { background: #0dcaf0; color: #1a1a2e; }
.kf-s-badge.s4 { background: #e74c3c; }
.kf-s-badge.s5 { background: #f39c12; color: #1a1a2e; }
.kf-s-badge.s6 { background: linear-gradient(135deg, var(--kf-amber), #e8845a); }

.kf-mega-footer {
    margin-top: 0.45rem; padding: 0.55rem 0.7rem;
    background: rgba(31,58,70,0.04); border-radius: 9px;
    display: flex; align-items: center; justify-content: space-between;
}
.kf-mega-footer a {
    font-size: 0.76rem; font-weight: 700; color: var(--kf-amber);
    text-decoration: none; display: flex; align-items: center;
    gap: 0.3rem; transition: gap 0.18s ease;
}
.kf-mega-footer a:hover { gap: 0.5rem; }

/* ── Register CTA ─────────────────────────────────────────────── */
.kf-register {
    display: inline-flex; align-items: center; gap: 0.4rem;
    padding: 0.48rem 1.15rem;
    background: linear-gradient(135deg, var(--kf-amber) 0%, #e8845a 100%);
    color: white !important; font-size: 0.83rem; font-weight: 700;
    border-radius: 22px; text-decoration: none;
    letter-spacing: 0.2px;
    box-shadow: 0 4px 14px rgba(212,106,58,0.36);
    border: 1px solid rgba(255,255,255,0.14);
    transition: all 0.24s var(--nav-ease);
    white-space: nowrap; margin-left: 0.5rem; flex-shrink: 0;
    position: relative; overflow: hidden;
}
.kf-register::before {
    content: ''; position: absolute;
    top: 0; left: -100%; width: 60%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.22), transparent);
    transition: left 0.48s ease;
}
.kf-register:hover::before { left: 150%; }
.kf-register:hover {
    background: linear-gradient(135deg, #b85a28 0%, var(--kf-amber) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(212,106,58,0.46);
    color: white !important;
}
.kf-register i { font-size: 0.78rem; }

/* ── Animated hamburger ───────────────────────────────────────── */
.kf-hamburger {
    display: none; flex-direction: column;
    justify-content: center; align-items: center; gap: 5px;
    width: 38px; height: 38px;
    border: 1.5px solid rgba(212,106,58,0.38);
    border-radius: 9px; background: rgba(212,106,58,0.07);
    cursor: pointer; padding: 0;
    transition: all 0.2s ease; flex-shrink: 0; margin-left: auto;
}
.kf-hamburger:hover {
    background: rgba(212,106,58,0.17);
    border-color: rgba(212,106,58,0.65);
}
.kf-bar {
    display: block; width: 18px; height: 2px;
    background: rgba(240,216,194,0.88); border-radius: 2px;
    transition: all 0.28s var(--nav-ease); transform-origin: center;
}
.kf-hamburger.kf-open .kf-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.kf-hamburger.kf-open .kf-bar:nth-child(2) { opacity: 0; transform: scaleX(0); }
.kf-hamburger.kf-open .kf-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ── Mobile drawer ────────────────────────────────────────────── */
.kf-mobile-overlay {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.52); z-index: 1999;
    opacity: 0; transition: opacity 0.28s ease;
}
.kf-mobile-overlay.kf-open { opacity: 1; }

.kf-mobile-menu {
    display: none; position: fixed;
    top: 0; right: 0;
    width: min(310px, 90vw); height: 100vh;
    background: linear-gradient(160deg, rgba(13,28,36,0.99) 0%, rgba(20,42,52,0.99) 100%);
    backdrop-filter: blur(24px);
    border-left: 1px solid rgba(212,106,58,0.14);
    box-shadow: -18px 0 55px rgba(0,0,0,0.38);
    z-index: 2000; padding: 1.4rem;
    overflow-y: auto;
    transform: translateX(100%);
    transition: transform 0.32s var(--nav-ease);
}
.kf-mobile-menu.kf-open { transform: translateX(0); }

.kf-mobile-header {
    display: flex; align-items: center;
    justify-content: space-between;
    margin-bottom: 1.4rem; padding-bottom: 1rem;
    border-bottom: 1px solid rgba(212,106,58,0.14);
}
.kf-mobile-close {
    width: 32px; height: 32px; border-radius: 8px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.1);
    color: rgba(240,216,194,0.75);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; font-size: 0.85rem;
    transition: all 0.2s ease;
}
.kf-mobile-close:hover { background: rgba(212,106,58,0.18); color: var(--kf-gold); }

.kf-mobile-link {
    display: flex; align-items: center; gap: 0.7rem;
    padding: 0.75rem 0.9rem; border-radius: 9px;
    color: rgba(255,255,255,0.82); font-size: 0.88rem;
    font-weight: 600; text-decoration: none;
    transition: all 0.18s ease; margin-bottom: 0.22rem;
}
.kf-mobile-link:hover, .kf-mobile-link.kf-active {
    background: rgba(212,106,58,0.11); color: var(--kf-gold);
}
.kf-mobile-link i { width: 18px; text-align: center; color: var(--kf-amber); font-size: 0.82rem; }

.kf-mobile-section {
    font-size: 0.63rem; font-weight: 800;
    letter-spacing: 1.2px; text-transform: uppercase;
    color: rgba(240,216,194,0.32); padding: 0.9rem 0.9rem 0.35rem;
}
.kf-mobile-sessions {
    display: grid; grid-template-columns: 1fr 1fr;
    gap: 0.35rem; margin-bottom: 0.4rem;
}
.kf-mobile-session {
    display: flex; align-items: center; gap: 0.38rem;
    padding: 0.48rem 0.6rem; border-radius: 7px;
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.72); font-size: 0.76rem;
    font-weight: 600; text-decoration: none;
    transition: all 0.18s ease;
}
.kf-mobile-session:hover { background: rgba(212,106,58,0.11); color: var(--kf-gold); }
.kf-mobile-session.kf-current {
    background: rgba(212,106,58,0.14);
    border-color: rgba(212,106,58,0.28); color: var(--kf-gold);
}
.kf-mobile-register {
    display: flex; align-items: center; justify-content: center;
    gap: 0.45rem; padding: 0.82rem;
    background: linear-gradient(135deg, var(--kf-amber), #e8845a);
    color: white; font-weight: 700; font-size: 0.88rem;
    border-radius: 11px; text-decoration: none;
    margin-top: 1.1rem;
    box-shadow: 0 4px 14px rgba(212,106,58,0.32);
    transition: all 0.2s ease;
}
.kf-mobile-register:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(212,106,58,0.42); color: white; }

/* ── Responsive ───────────────────────────────────────────────── */
@media (max-width: 991px) {
    #kf-topbar { display: none; }
    .kf-nav-links, .kf-register { display: none; }
    .kf-hamburger { display: flex; }
    .kf-mobile-menu, .kf-mobile-overlay { display: block; }
}
@media (max-width: 480px) {
    .kf-nav-inner { padding: 0 1rem; }
    .kf-brand-sub { display: none; }
}

/* ── Hover-open on desktop ────────────────────────────────────── */
@media (min-width: 992px) {
    .kf-nav-links > li:hover > .kf-dropdown { display: block; }
}