/* ============================================
   Nexora EDS v2 — Base Styles (Midnight Aurora)
   ============================================ */

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

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    font-family: var(--font-family);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-body);
    min-height: 100vh;
    overflow-x: hidden;
}

/* ── Theme transition ── */
body,
body *,
body *::before,
body *::after {
    transition-property: background-color, border-color, color, box-shadow, fill, stroke, opacity;
    transition-duration: 0s;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

body.theme-transitioning,
body.theme-transitioning *,
body.theme-transitioning *::before,
body.theme-transitioning *::after {
    transition-duration: 350ms !important;
}

/* ── Ссылки ── */
a {
    color: var(--accent-primary);
    text-decoration: none;
    transition: color var(--transition-fast);
}

a:hover {
    color: var(--accent-hover);
}

/* ── Медиа ── */
img, svg {
    display: block;
    max-width: 100%;
}

/* ── Формы ── */
button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    line-height: inherit;
    color: inherit;
}

button {
    cursor: pointer;
    border: none;
    background: none;
}

ul, ol {
    list-style: none;
}

/* ── Заголовки ── */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.25;
    color: var(--text-primary);
    letter-spacing: -0.01em;
}

h1 { font-size: var(--text-3xl); font-weight: 700; letter-spacing: -0.025em; }
h2 { font-size: var(--text-2xl); font-weight: 700; letter-spacing: -0.02em; }
h3 { font-size: var(--text-xl); }
h4 { font-size: var(--text-lg); }

p {
    color: var(--text-secondary);
}

/* ── Selection ── */
::selection {
    background-color: rgba(124, 58, 237, 0.3);
    color: var(--text-primary);
}

:focus-visible {
    outline: 2px solid var(--accent-primary);
    outline-offset: 2px;
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 5px;
    height: 5px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--border-secondary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ── Gradient text utility ── */
.text-gradient {
    background: var(--gradient-text);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ── Fade in animation ── */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(16px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

@keyframes aurora {
    0%, 100% { transform: translate(0, 0) rotate(0deg) scale(1); }
    25% { transform: translate(30px, -50px) rotate(90deg) scale(1.1); }
    50% { transform: translate(-20px, 20px) rotate(180deg) scale(0.95); }
    75% { transform: translate(40px, 30px) rotate(270deg) scale(1.05); }
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 0.8; }
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(3deg); }
}