/* ============================================
   JUPITER PLANET XXL — Neon Cyberpunk Theme
   Design 3: base.css
   ============================================ */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-body);
    font-weight: var(--fw-regular);
    font-size: var(--fs-base);
    line-height: var(--lh-normal);
    color: var(--text-body);
    background-color: var(--color-bg);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ── Scanline Overlay ── */
body::after {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    background: repeating-linear-gradient(
        0deg,
        transparent,
        transparent 2px,
        rgba(0, 0, 0, 0.08) 2px,
        rgba(0, 0, 0, 0.08) 4px
    );
}

/* ── Grid Overlay (optional subtle effect) ── */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9998;
    background-image:
        linear-gradient(rgba(0, 212, 255, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
}

/* ── Neon Scrollbar ── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--neon-pink), var(--neon-purple), var(--neon-cyan));
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(180deg, var(--neon-cyan), var(--neon-pink));
    box-shadow: 0 0 10px var(--neon-pink-glow);
}

/* Firefox */
html {
    scrollbar-width: thin;
    scrollbar-color: var(--neon-pink) var(--color-bg);
}

/* ── Base Elements ── */
a {
    text-decoration: none;
    color: var(--neon-cyan);
    transition: color var(--transition-fast), text-shadow var(--transition-fast);
}

a:hover {
    color: var(--neon-pink);
    text-shadow: var(--glow-text-pink);
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

ul, ol {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    outline: none;
    background: none;
    font-family: inherit;
    font-size: inherit;
    color: inherit;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    outline: none;
    border: none;
    background: none;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    line-height: var(--lh-tight);
    font-weight: var(--fw-bold);
    letter-spacing: var(--ls-tight);
}

h1 { font-size: var(--fs-4xl); }
h2 { font-size: var(--fs-3xl); }
h3 { font-size: var(--fs-2xl); }
h4 { font-size: var(--fs-xl); }
h5 { font-size: var(--fs-lg); }
h6 { font-size: var(--fs-md); }

p {
    margin-bottom: var(--space-md);
    color: var(--text-body);
}

/* ── Container ── */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.container--narrow {
    max-width: var(--container-narrow);
}

.container--wide {
    max-width: var(--container-wide);
}

/* ── Section ── */
.section {
    padding: var(--space-5xl) 0;
    position: relative;
}

.section__header {
    text-align: center;
    margin-bottom: var(--space-3xl);
}

.section__tag {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: var(--fs-xs);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--ls-widest);
    text-transform: uppercase;
    color: var(--neon-cyan);
    text-shadow: var(--glow-text-cyan);
    margin-bottom: var(--space-md);
    padding: var(--space-xs) var(--space-lg);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: var(--radius-full);
    background: rgba(0, 212, 255, 0.05);
}

.section__title {
    font-size: var(--fs-3xl);
    margin-bottom: var(--space-md);
    position: relative;
    display: inline-block;
}

.section__title::after {
    content: '';
    display: block;
    width: 60px;
    height: 3px;
    background: var(--gradient-pink-cyan);
    margin: var(--space-md) auto 0;
    border-radius: var(--radius-full);
    box-shadow: var(--glow-pink);
}

.section__subtitle {
    color: var(--text-muted);
    font-size: var(--fs-md);
    max-width: 600px;
    margin: 0 auto;
    line-height: var(--lh-relaxed);
}

/* ── Buttons ── */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 0.85rem 2rem;
    font-family: var(--font-heading);
    font-size: var(--fs-sm);
    font-weight: var(--fw-semibold);
    letter-spacing: var(--ls-wide);
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    text-decoration: none;
}

.btn--primary {
    color: #fff;
    background: var(--neon-pink);
    box-shadow: 0 0 20px rgba(255, 45, 117, 0.4);
}

.btn--primary:hover {
    background: #ff4d8d;
    box-shadow: var(--glow-pink);
    transform: translateY(-2px);
    color: #fff;
    text-shadow: none;
}

.btn--outline {
    color: var(--neon-cyan);
    background: transparent;
    border: 1px solid var(--neon-cyan);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.15);
}

.btn--outline:hover {
    background: rgba(0, 212, 255, 0.1);
    box-shadow: var(--glow-cyan);
    transform: translateY(-2px);
    color: var(--neon-cyan);
    text-shadow: var(--glow-text-cyan);
}

.btn--ghost {
    color: var(--text-body);
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.btn--ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--neon-pink);
    color: var(--neon-pink);
    text-shadow: var(--glow-text-pink);
}

/* ── Neon Link Underline ── */
.neon-link {
    position: relative;
    color: var(--text-body);
    transition: color var(--transition-fast);
}

.neon-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-pink-cyan);
    box-shadow: 0 0 8px var(--neon-pink-glow);
    transition: width var(--transition-base);
}

.neon-link:hover {
    color: var(--neon-pink);
}

.neon-link:hover::after {
    width: 100%;
}

/* ── Scroll Reveal ── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

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

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-left.revealed {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal-right.revealed {
    opacity: 1;
    transform: translateX(0);
}

/* ── Utilities ── */
.text-center { text-align: center; }
.text-left   { text-align: left; }
.text-right  { text-align: right; }

.text-neon-pink {
    color: var(--neon-pink);
    text-shadow: var(--glow-text-pink);
}

.text-neon-cyan {
    color: var(--neon-cyan);
    text-shadow: var(--glow-text-cyan);
}

.text-neon-purple {
    color: var(--neon-purple);
    text-shadow: var(--glow-purple);
}

.text-gradient {
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: var(--space-sm); }
.mb-2 { margin-bottom: var(--space-md); }
.mb-3 { margin-bottom: var(--space-lg); }
.mb-4 { margin-bottom: var(--space-xl); }

/* ── Glassmorphism Card ── */
.glass {
    background: var(--color-bg-card);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: var(--border-subtle);
    border-radius: var(--radius-lg);
}

/* ── Neon Divider ── */
.neon-divider {
    height: 1px;
    border: none;
    background: linear-gradient(90deg, transparent, var(--neon-pink), var(--neon-cyan), transparent);
    box-shadow: 0 0 10px rgba(255, 45, 117, 0.3);
    margin: var(--space-2xl) 0;
}

/* ── Responsive ── */
@media (max-width: 768px) {
    .section {
        padding: var(--space-3xl) 0;
    }

    .container {
        padding: 0 var(--space-md);
    }

    h1 { font-size: var(--fs-2xl); }
    h2 { font-size: var(--fs-xl); }
    h3 { font-size: var(--fs-lg); }
}