/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { min-height: 100vh; overflow-x: hidden; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
ul, ol { list-style: none; }

/* ── Reveal Animations (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal-up {
        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-up.revealed {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Fallback: always visible if JS is disabled or prefers-reduced-motion */
@media not all and (prefers-reduced-motion: no-preference) {
    .reveal-up { opacity: 1; transform: none; }
}

/* ── Hero initial state (no animation — must render immediately) ── */
#hero .reveal-up { opacity: 1; transform: none; }

/* ── Card Hover ── */
.card-elevate {
    transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94), box-shadow 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.card-elevate:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(10, 31, 63, 0.12);
}

/* ── Navbar ── */
#navbar {
    background: transparent;
}
#navbar.scrolled {
    background: rgba(6, 20, 40, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(184, 230, 211, 0.08);
}

/* ── Mobile Menu ── */
#mobile-menu.open {
    opacity: 1;
    pointer-events: all;
}
#mobile-menu.open .mobile-nav-link {
    animation: fadeSlideIn 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}
#mobile-menu.open .mobile-nav-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-nav-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-nav-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-nav-link:nth-child(4) { animation-delay: 0.2s; }
#mobile-menu.open .mobile-nav-link:nth-child(5) { animation-delay: 0.25s; }

@keyframes fadeSlideIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ── Menu Toggle Animation ── */
body.menu-open .menu-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}
body.menu-open .menu-line:nth-child(2) {
    opacity: 0;
}
body.menu-open .menu-line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
    width: 6px;
}
body.menu-open .menu-line:nth-child(4) {
    width: 6px;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #0A1F3F; }
::-webkit-scrollbar-thumb { background: #1A8565; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #3CC294; }

/* ── Selection ── */
::selection { background: rgba(37, 168, 126, 0.3); color: #E8EDF4; }

/* ── Focus ── */
:focus-visible { outline: 2px solid #3CC294; outline-offset: 2px; }

/* ── Input autofill ── */
input:-webkit-autofill, textarea:-webkit-autofill {
    -webkit-box-shadow: 0 0 0 30px #0A1F3F inset !important;
    -webkit-text-fill-color: #E8EDF4 !important;
}