/* ═══════════════════════════════════════════════════════════════
   BASE.CSS — Reset, Body, Typography, Buttons, Scroll Reveal
   KnexPay Unified Design System
   ═══════════════════════════════════════════════════════════════ */

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

/* ── Body ── */
body {
    font-family: var(--font-body);
    font-weight: 300;
    background: var(--pitch-black);
    color: var(--white);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    cursor: crosshair;
}

/* ── Selection ── */
::selection {
    background: var(--neon);
    color: var(--black);
}

::-moz-selection {
    background: var(--neon);
    color: var(--black);
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

h1 {
    font-size: clamp(3rem, 12vw, 8rem);
}

h2 {
    font-size: clamp(2rem, 6vw, 4rem);
    color: var(--white);
}

h3 {
    font-size: clamp(1.2rem, 3vw, 1.8rem);
}

p {
    font-size: clamp(1rem, 2.5vw, 1.15rem);
    color: rgba(255,255,255,0.7);
    line-height: 1.8;
    font-weight: 400;
}

a {
    color: var(--neon);
    text-decoration: none;
    transition: color 0.3s;
}

a:hover {
    color: var(--neon-bright);
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s var(--ease-out);
    cursor: pointer;
    border: none;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    position: relative;
    overflow: hidden;
}

.btn svg {
    width: 18px;
    height: 18px;
}

/* Primary Button */
.btn-primary {
    background: linear-gradient(135deg, var(--neon), var(--neon-glow));
    color: var(--black);
    clip-path: polygon(0 0, calc(100% - 12px) 0, 100% 12px, 100% 100%, 12px 100%, 0 calc(100% - 12px));
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover {
    box-shadow: var(--glow-neon);
    transform: translateY(-2px);
}

.btn-primary:hover::before {
    left: 100%;
}

/* Secondary Button */
.btn-secondary {
    background: transparent;
    border: 1px solid var(--neon);
    color: var(--neon);
}

.btn-secondary:hover {
    background: rgba(0,255,0,0.1);
    box-shadow: var(--glow-neon-soft);
    transform: translateY(-2px);
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* ── Glitch Text Effect ── */
.glitch {
    position: relative;
    animation: glitch-skew 4s infinite linear alternate-reverse;
}

.glitch::before,
.glitch::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

.glitch::before {
    color: var(--neon-cyan);
    animation: glitch-effect 3s infinite linear alternate-reverse;
    clip-path: polygon(0 0, 100% 0, 100% 45%, 0 45%);
    transform: translate(-3px, 0);
    opacity: 0.8;
    text-shadow: var(--glow-cyan);
}

.glitch::after {
    color: #ffffff;
    animation: glitch-effect 2s infinite linear alternate-reverse;
    clip-path: polygon(0 55%, 100% 55%, 100% 100%, 0 100%);
    transform: translate(3px, 0);
    opacity: 0.8;
    text-shadow: 0 0 10px #ffffff, 0 0 20px #ffffff88, 0 0 40px #ffffff44;
}

@keyframes glitch-effect {
    0%   { transform: translate(0); }
    20%  { transform: translate(-3px, 3px); }
    40%  { transform: translate(-3px, -3px); }
    60%  { transform: translate(3px, 3px); }
    80%  { transform: translate(3px, -3px); }
    100% { transform: translate(0); }
}

@keyframes glitch-skew {
    0%   { transform: skew(0deg); }
    10%  { transform: skew(-0.5deg); }
    20%  { transform: skew(0.5deg); }
    30%  { transform: skew(0deg); }
    100% { transform: skew(0deg); }
}

/* ── Neon Glow Pulse ── */
.neon-pulse {
    animation: neonPulse 2s ease-in-out infinite;
}

@keyframes neonPulse {
    0%, 100% { text-shadow: var(--glow-neon-soft); }
    50%      { text-shadow: var(--glow-neon-intense); }
}

/* ── Utility: Highlight text ── */
.highlight {
    color: var(--neon);
    text-shadow: var(--glow-neon-text);
}

/* ── Print Styles ── */
@media print {
    .overlay,
    .grid-overlay,
    .vignette,
    .scanlines,
    .bg-grid,
    #webgl,
    #global-canvas,
    canvas,
    nav,
    .nav,
    .scroll-indicator {
        display: none !important;
    }

    body {
        background: #fff;
        color: #000;
        cursor: auto;
    }

    h1, h2, h3, h4, h5, h6 {
        color: #000;
        text-shadow: none;
    }

    p {
        color: #333;
    }

    a {
        color: #000;
        text-decoration: underline;
    }

    .btn {
        border: 1px solid #000;
        color: #000;
        background: none;
        box-shadow: none;
        clip-path: none;
    }
}