/* ========== BASE ========== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background-color: rgba(43, 192, 154, 0.3);
    color: #f0f3ff;
}

/* ========== SCROLL REVEAL ========== */
.reveal {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Prefers reduced motion: no animations */
@media (prefers-reduced-motion: reduce) {
    .reveal {
        opacity: 1;
        transform: none;
        transition: none;
    }
    html {
        scroll-behavior: auto;
    }
    .reveal {
        opacity: 1;
        transform: none;
    }
}

/* ========== NAVBAR SCROLL STATE ========== */
.navbar-scrolled {
    background: rgba(7, 14, 58, 0.92) !important;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(43, 192, 154, 0.1);
    box-shadow: 0 4px 40px rgba(0, 0, 0, 0.3);
}

/* ========== MOBILE MENU ========== */
.menu-open .menu-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.menu-open .menu-line:nth-child(2) {
    opacity: 0;
}
.menu-open .menu-line:nth-child(3) {
    width: 1.5rem;
    transform: rotate(-45deg) translate(4px, -4px);
}

/* ========== CUSTOM SCROLLBAR ========== */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #070e3a;
}
::-webkit-scrollbar-thumb {
    background: rgba(43, 192, 154, 0.3);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(43, 192, 154, 0.5);
}

/* ========== SELECTION ========== */
::selection {
    background: rgba(43, 192, 154, 0.35);
    color: #f0f3ff;
}

/* ========== FORM FOCUS STYLES ========== */
input:focus,
select:focus,
textarea:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(43, 192, 154, 0.15);
}

/* ========== SUBTLE GLOW ON CARDS ========== */
.card-glow:hover {
    box-shadow: 0 0 60px rgba(43, 192, 154, 0.08);
}