/* -------------------------------------------------------------
 * Custom Cyberpunk / Tech-Futuristic Stylesheet (style.css)
 * Designed for: Suraphot Yakanmoon (Computer Technology Portfolio)
 * ------------------------------------------------------------- */

/* Variables and Base Theme Configuration */
:root {
    --neon-cyan: #00f0ff;
    --neon-blue: #0055ff;
    --neon-green: #39ff14;
    --neon-pink: #ff007f;
    --bg-dark: #0a0a0f;
    --bg-card: #0d0d16;
    --font-orbitron: 'Orbitron', sans-serif;
    --font-share: 'Share Tech Mono', monospace;
    --font-inter: 'Inter', sans-serif;
    --cyber-glow-cyan: 0 0 10px rgba(0, 240, 255, 0.4), 0 0 20px rgba(0, 240, 255, 0.2);
    --cyber-glow-green: 0 0 10px rgba(57, 255, 20, 0.4), 0 0 20px rgba(57, 255, 20, 0.2);
    --cyber-glow-blue: 0 0 10px rgba(0, 85, 255, 0.4), 0 0 20px rgba(0, 85, 255, 0.2);
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: var(--bg-dark);
    border-left: 1px solid rgba(0, 240, 255, 0.1);
}
::-webkit-scrollbar-thumb {
    background: var(--neon-blue);
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--neon-cyan);
    box-shadow: var(--cyber-glow-cyan);
}

/* Background Cyber Grid Pattern */
.grid-lines {
    background-size: 40px 40px;
    background-image: 
        linear-gradient(to right, rgba(0, 240, 255, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0, 240, 255, 0.04) 1px, transparent 1px);
    background-position: center;
}

/* Animated CRT Scanlines */
.scanlines {
    background: linear-gradient(
        rgba(18, 16, 16, 0) 50%, 
        rgba(0, 0, 0, 0.25) 50%
    );
    background-size: 100% 4px;
    z-index: 100;
    opacity: 0.15;
    background-repeat: repeat;
}

/* Cyberpunk Clip-Paths */
.clip-triangle {
    clip-path: polygon(100% 0, 0 0, 100% 100%);
}
.clip-triangle-left {
    clip-path: polygon(0 0, 100% 0, 0 100%);
}
.clip-card-corner {
    clip-path: polygon(100% 0, 0 100%, 100% 100%);
}

/* Cyberpunk Buttons */
.cyber-btn {
    position: relative;
    display: inline-flex;
    padding: 1px; /* border offset */
    background: transparent;
    transition: all 0.3s ease;
    cursor: pointer;
    overflow: hidden;
}

.cyber-btn-inner {
    display: flex;
    align-items: center;
    padding: 10px 24px;
    background: rgba(13, 13, 22, 0.85);
    color: #ffffff;
    font-weight: 600;
    letter-spacing: 0.1em;
    font-size: 13px;
    width: 100%;
    transition: all 0.3s ease;
}

/* Button Variants */
.cyber-btn.primary {
    clip-path: polygon(0 0, 85% 0, 100% 35%, 100% 100%, 15% 100%, 0 65%);
    background: var(--neon-cyan);
}
.cyber-btn.primary:hover {
    box-shadow: var(--cyber-glow-cyan);
}
.cyber-btn.primary .cyber-btn-inner {
    clip-path: polygon(0 0, 85% 0, 100% 35%, 100% 100%, 15% 100%, 0 65%);
}
.cyber-btn.primary:hover .cyber-btn-inner {
    background: var(--neon-cyan);
    color: #000000;
}

.cyber-btn.secondary {
    clip-path: polygon(15% 0, 100% 0, 100% 65%, 85% 100%, 0 100%, 0 35%);
    background: var(--neon-blue);
}
.cyber-btn.secondary:hover {
    box-shadow: var(--cyber-glow-blue);
}
.cyber-btn.secondary .cyber-btn-inner {
    clip-path: polygon(15% 0, 100% 0, 100% 65%, 85% 100%, 0 100%, 0 35%);
}
.cyber-btn.secondary:hover .cyber-btn-inner {
    background: var(--neon-blue);
    color: #ffffff;
}

/* Navigation Links */
.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--neon-cyan);
    box-shadow: var(--cyber-glow-cyan);
    transition: width 0.3s ease;
}
.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}
.nav-link.active {
    color: var(--neon-cyan);
    text-shadow: 0 0 8px rgba(0, 240, 255, 0.4);
}

/* Mobile Hamburger Animation */
#mobile-menu-btn.open .line-1 {
    transform: rotate(45deg);
}
#mobile-menu-btn.open .line-2 {
    opacity: 0;
}
#mobile-menu-btn.open .line-3 {
    transform: rotate(-45deg);
}

/* Cyber Card Glows & Cuts */
.cyber-card {
    border-radius: 2px;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
}

/* Glitch Text Effect */
.glitch-text {
    position: relative;
}
.glitch-text::before,
.glitch-text::after {
    content: attr(data-text);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-dark);
}
.glitch-text::before {
    left: 2px;
    text-shadow: -2px 0 var(--neon-pink);
    clip: rect(44px, 450px, 56px, 0);
    animation: glitch-anim-1 5s infinite linear alternate-reverse;
}
.glitch-text::after {
    left: -2px;
    text-shadow: -2px 0 var(--neon-cyan), 0 2px var(--neon-green);
    clip: rect(85px, 450px, 140px, 0);
    animation: glitch-anim-2 5s infinite linear alternate-reverse;
}

@keyframes glitch-anim-1 {
    0% { clip: rect(15px, 9999px, 66px, 0); }
    10% { clip: rect(85px, 9999px, 5px, 0); }
    20% { clip: rect(34px, 9999px, 87px, 0); }
    30% { clip: rect(5px, 9999px, 52px, 0); }
    40% { clip: rect(98px, 9999px, 14px, 0); }
    50% { clip: rect(61px, 9999px, 83px, 0); }
    60% { clip: rect(12px, 9999px, 48px, 0); }
    70% { clip: rect(74px, 9999px, 91px, 0); }
    80% { clip: rect(3px, 9999px, 64px, 0); }
    90% { clip: rect(53px, 9999px, 32px, 0); }
    100% { clip: rect(91px, 9999px, 78px, 0); }
}

@keyframes glitch-anim-2 {
    0% { clip: rect(65px, 9999px, 14px, 0); }
    10% { clip: rect(4px, 9999px, 98px, 0); }
    20% { clip: rect(87px, 9999px, 34px, 0); }
    30% { clip: rect(52px, 9999px, 5px, 0); }
    40% { clip: rect(14px, 9999px, 98px, 0); }
    50% { clip: rect(83px, 9999px, 61px, 0); }
    60% { clip: rect(48px, 9999px, 12px, 0); }
    70% { clip: rect(91px, 9999px, 74px, 0); }
    80% { clip: rect(64px, 9999px, 3px, 0); }
    90% { clip: rect(32px, 9999px, 53px, 0); }
    100% { clip: rect(78px, 9999px, 91px, 0); }
}

/* Typing Indicator Animation */
@keyframes blink {
    from, to { border-color: transparent }
    50% { border-color: var(--neon-green); }
}
#typing-text {
    animation: blink 0.75s step-end infinite;
}

/* Project Filter Buttons */
.project-filter-btn {
    padding: 6px 16px;
    background: rgba(13, 13, 22, 0.6);
    border: 1px solid rgba(0, 240, 255, 0.15);
    color: #a0aec0;
    font-size: 12px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: all 0.3s ease;
    clip-path: polygon(0 0, 92% 0, 100% 25%, 100% 100%, 8% 100%, 0 75%);
}

.project-filter-btn:hover {
    color: var(--neon-cyan);
    border-color: var(--neon-cyan);
    background: rgba(0, 240, 255, 0.05);
}

.project-filter-btn.active {
    color: #000000;
    background: var(--neon-cyan);
    border-color: var(--neon-cyan);
    font-weight: 700;
    box-shadow: var(--cyber-glow-cyan);
}

/* Custom transitions and transforms for portfolio cards */
.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 25px -5px rgba(0, 240, 255, 0.15), 0 8px 10px -6px rgba(0, 240, 255, 0.15);
}

/* Quick Glow helper utilities */
.glow-cyan-hover:hover {
    box-shadow: var(--cyber-glow-cyan);
}
.glow-green-hover:hover {
    box-shadow: var(--cyber-glow-green);
}