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

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(201, 168, 76, 0.3);
    color: #f0f3f8;
}

/* ─── Scroll Reveal ─── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                    transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    }

    .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; }
}

/* ─── Hero Animations ─── */
@media (prefers-reduced-motion: no-preference) {
    .hero-subtitle {
        animation: slideUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
        opacity: 0;
        animation-delay: 0.2s;
    }

    .hero-title {
        animation: slideUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
        opacity: 0;
        animation-delay: 0.4s;
    }

    .hero-body {
        animation: slideUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
        opacity: 0;
        animation-delay: 0.6s;
    }

    .hero-buttons {
        animation: slideUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
        opacity: 0;
        animation-delay: 0.8s;
    }

    .hero-stats {
        animation: slideUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
        opacity: 0;
        animation-delay: 1s;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Navbar ─── */
#navbar {
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

#navbar.scrolled {
    background: rgba(27, 40, 56, 0.95);
    box-shadow: 0 1px 0 rgba(201, 168, 76, 0.1);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #C9A84C;
    transition: width 0.3s ease;
}

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

/* ─── Mobile Menu ─── */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}

#mobile-menu.open .mobile-link {
    animation: fadeDown 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}

#mobile-menu .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobile-menu .mobile-link:nth-child(5) { animation-delay: 0.25s; }

@keyframes fadeDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.menu-line {
    display: block;
}

#menu-toggle.active .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

#menu-toggle.active .menu-line:nth-child(2) {
    opacity: 0;
}

#menu-toggle.active .menu-line:nth-child(3) {
    width: 24px;
    transform: rotate(-45deg) translate(3px, -3px);
    margin-left: 0;
}

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

::-webkit-scrollbar-track {
    background: #151f2c;
}

::-webkit-scrollbar-thumb {
    background: #4164a0;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #C9A84C;
}

/* ─── Form Styles ─── */
input:focus,
textarea:focus,
select:focus {
    border-color: #C9A84C !important;
    box-shadow: 0 0 0 1px rgba(201, 168, 76, 0.2);
}

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='%238da2c6' stroke-width='2'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
}

/* ─── Smooth image loading ─── */
img {
    image-rendering: auto;
}

/* ─── Focus visible for accessibility ─── */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible {
    outline: 2px solid #C9A84C;
    outline-offset: 2px;
}

/* ─── Reduced motion ─── */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}