/* ============================================
   XR-CALL — Base / Global Styles
   ============================================ */

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

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

/* ── Dynamic Background ── */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(ellipse 80% 50% at 20% 20%, rgba(99, 102, 241, 0.08) 0%, transparent 60%),
        radial-gradient(ellipse 60% 40% at 80% 80%, rgba(167, 139, 250, 0.06) 0%, transparent 50%),
        radial-gradient(ellipse 50% 50% at 50% 50%, rgba(34, 211, 238, 0.03) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
}

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

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

/* ── Headings ── */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

h1 {
    font-size: var(--text-5xl);
}

h2 {
    font-size: var(--text-4xl);
}

h3 {
    font-size: var(--text-3xl);
}

/* ── Selection ── */
::selection {
    background: rgba(129, 140, 248, 0.3);
    color: var(--text-primary);
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

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

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-primary);
}

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

/* ── Utility Classes ── */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

.fade-in {
    animation: fadeIn var(--transition-slow) ease-out;
}

.slide-up {
    animation: slideUp var(--transition-slow) ease-out;
}

.scale-in {
    animation: scaleIn var(--transition-spring) ease-out;
}

/* ── Keyframes ── */
@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

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

    100% {
        background-position: 200% 0;
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-6px);
    }
}

@keyframes glowPulse {

    0%,
    100% {
        box-shadow: 0 0 20px rgba(129, 140, 248, 0.2);
    }

    50% {
        box-shadow: 0 0 40px rgba(129, 140, 248, 0.4), 0 0 80px rgba(129, 140, 248, 0.1);
    }
}

@keyframes borderGlow {

    0%,
    100% {
        border-color: rgba(129, 140, 248, 0.2);
    }

    50% {
        border-color: rgba(129, 140, 248, 0.5);
    }
}

@keyframes speakerGlow {

    0%,
    100% {
        box-shadow: 0 0 0 2px rgba(52, 211, 153, 0.3), 0 0 20px rgba(52, 211, 153, 0.1);
    }

    50% {
        box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.6), 0 0 40px rgba(52, 211, 153, 0.2);
    }
}

@keyframes ripple {
    to {
        transform: scale(2);
        opacity: 0;
    }
}