/* ── Base & Utilities ── */
html {
    scroll-behavior: smooth;
}

body {
    overflow-x: hidden;
}

::selection {
    background: #F5A623;
    color: #2D0F28;
}

/* ── Navbar ── */
#navbar {
    background: transparent;
    transition: background 0.35s ease, box-shadow 0.35s ease, backdrop-filter 0.35s ease;
}

#navbar.scrolled {
    background: rgba(26, 9, 22, 0.92);
    backdrop-filter: blur(16px);
    box-shadow: 0 1px 0 rgba(168, 68, 153, 0.15);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 50%;
    width: 0;
    height: 2px;
    background: #F5A623;
    transition: width 0.25s ease, left 0.25s ease;
}

.nav-link:hover::after {
    width: 100%;
    left: 0;
}

.mobile-link {
    position: relative;
    padding-left: 0;
}

/* ── Hero ── */
#hero {
    position: relative;
}

/* ── Offer Cards ── */
.offer-card {
    transition: transform 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

.offer-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(32px);
        transition: opacity 0.7s ease, transform 0.7s ease;
    }

    .reveal.revealed {
        opacity: 1;
        transform: translateY(0);
    }

    .reveal-delay-1 { transition-delay: 0.1s; }
    .reveal-delay-2 { transition-delay: 0.2s; }
    .reveal-delay-3 { transition-delay: 0.3s; }
    .reveal-delay-4 { transition-delay: 0.4s; }
    .reveal-delay-5 { transition-delay: 0.5s; }
    .reveal-delay-6 { transition-delay: 0.6s; }
}

/* ── Button ripple on touch ── */
button, a {
    -webkit-tap-highlight-color: transparent;
}

/* ── Form selects ── */
select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23F5A623' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    padding-right: 48px;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: #1A0916;
}

::-webkit-scrollbar-thumb {
    background: #4A1942;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #742463;
}

/* ── Focus visible ── */
:focus-visible {
    outline: 2px solid #F5A623;
    outline-offset: 2px;
}

/* ── Mobile menu animation ── */
#mobile-menu {
    animation: slideDown 0.25s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ── Decorative shape float animation ── */
@media (prefers-reduced-motion: no-preference) {
    .float-slow {
        animation: float 6s ease-in-out infinite;
    }

    .float-medium {
        animation: float 4s ease-in-out infinite;
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0) rotate(0deg); }
    50% { transform: translateY(-12px) rotate(2deg); }
}