/*
 * style.css — Terminal Green Cybersecurity Portfolio
 * Theme: Matrix / Hacker terminal with pure green accent
 */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=JetBrains+Mono:wght@300;400;500;600;700&display=swap');

:root {
    --green:        #00ff41;   /* matrix neon green */
    --green-soft:   #22c55e;   /* softer green for text */
    --green-dim:    #16a34a;   /* dimmed green */
    --green-glow:   rgba(0, 255, 65, 0.12);
    --green-border: rgba(0, 255, 65, 0.15);
    --green-bg:     rgba(0, 255, 65, 0.05);

    --bg-main:   #030505;
    --bg-darker: #010202;
    --bg-card:   rgba(4, 12, 6, 0.6);

    --text-primary:   #f0fff4;
    --text-secondary: #86efac;
    --text-muted:     #4ade80;
    --text-dim:       #166534;

    --font-sans: 'Plus Jakarta Sans', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
}

* { box-sizing: border-box; scroll-behavior: smooth; }

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-sans);
    overflow-x: hidden;
    position: relative;
}

/* Green matrix grid overlay */
body::before {
    content: "";
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    z-index: -2;
    background-size: 55px 55px;
    background-image:
        linear-gradient(to right, rgba(0, 255, 65, 0.025) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0, 255, 65, 0.025) 1px, transparent 1px);
    pointer-events: none;
}

/* Ambient green glows */
.ambient-glow-1 {
    position: fixed;
    width: 700px; height: 700px;
    background: radial-gradient(circle, rgba(0, 255, 65, 0.06) 0%, transparent 70%);
    top: -15%; left: -15%;
    z-index: -1;
    pointer-events: none;
    animation: drift1 18s ease-in-out infinite alternate;
}
.ambient-glow-2 {
    position: fixed;
    width: 700px; height: 700px;
    background: radial-gradient(circle, rgba(0, 255, 65, 0.04) 0%, transparent 70%);
    bottom: -10%; right: -10%;
    z-index: -1;
    pointer-events: none;
    animation: drift2 22s ease-in-out infinite alternate;
}
@keyframes drift1 { from { transform: translate(0,0); } to { transform: translate(40px, 30px); } }
@keyframes drift2 { from { transform: translate(0,0); } to { transform: translate(-30px, -40px); } }

/* Fixed / Sticky Header navigation rules */
header {
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
}

/* Gradient text */
.gradient-text {
    background: linear-gradient(135deg, var(--green) 0%, var(--green-soft) 60%, #4ade80 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Glassmorphic card */
.cyber-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--green-border);
    border-radius: 16px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}
.cyber-card::before {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: 16px;
    padding: 1px;
    background: linear-gradient(135deg, rgba(0,255,65,0.18), transparent 50%, rgba(0,255,65,0.08));
    -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    pointer-events: none;
    opacity: 0.5;
    transition: opacity 0.4s ease;
}
.cyber-card:hover, .cyber-card:active {
    transform: translateY(-4px);
    border-color: rgba(0,255,65,0.4);
    box-shadow: 0 12px 40px rgba(0,0,0,0.5), 0 0 30px rgba(0,255,65,0.15);
}
.cyber-card:hover::before, .cyber-card:active::before { opacity: 1; }

/* Nav links */
.nav-link {
    color: var(--text-secondary);
    position: relative;
    transition: color 0.3s ease;
    text-decoration: none;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
}
.nav-link:hover, .nav-link.active { color: var(--green); }
.nav-link::after {
    content: "";
    position: absolute;
    bottom: -4px; left: 0;
    width: 0; height: 2px;
    background: linear-gradient(to right, var(--green), var(--green-soft));
    transition: width 0.3s ease;
    border-radius: 2px;
}
.nav-link:hover::after, .nav-link.active::after { width: 100%; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-darker); }
::-webkit-scrollbar-thumb { background: rgba(0,255,65,0.12); border-radius: 10px; border: 2px solid var(--bg-darker); }
::-webkit-scrollbar-thumb:hover { background: rgba(0,255,65,0.25); }

/* Selection */
::selection { background: rgba(0,255,65,0.2); color: #f0fff4; }

/* Blinking cursor */
@keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0; } }
.logo-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--green);
    margin-left: 1px;
    vertical-align: middle;
    animation: blink 1s step-end infinite;
}

/* Scroll reveal */
.reveal-prep {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.7s cubic-bezier(0.16,1,0.3,1), transform 0.7s cubic-bezier(0.16,1,0.3,1);
}
.reveal-active {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* Green btn */
.btn-green {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    background: linear-gradient(135deg, var(--green-dim), var(--green-soft));
    color: #030505;
    font-weight: 800;
    border-radius: 12px;
    border: none;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    text-decoration: none;
}
.btn-green:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0,255,65,0.25);
    background: linear-gradient(135deg, var(--green-soft), var(--green));
}
.btn-outline {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 2rem;
    background: transparent;
    color: var(--green-soft);
    font-weight: 700;
    border-radius: 12px;
    border: 1px solid var(--green-border);
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    transition: all 0.3s ease;
    text-decoration: none;
}
.btn-outline:hover {
    border-color: rgba(0,255,65,0.35);
    background: var(--green-bg);
    color: var(--green);
    transform: translateY(-2px);
}

/* Tag badges */
.tag {
    padding: 0.2rem 0.65rem;
    background: rgba(0,255,65,0.07);
    border: 1px solid rgba(0,255,65,0.18);
    border-radius: 6px;
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--green-soft);
    letter-spacing: 0.04em;
}

/* Blog tab styles */
.blog-tab-btn {
    padding: 0.55rem 1.4rem;
    border-radius: 9999px;
    font-size: 0.78rem;
    font-weight: 700;
    font-family: var(--font-mono);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border: 1px solid transparent;
    transition: all 0.3s ease;
    cursor: pointer;
    background: transparent;
    color: var(--text-dim);
}
.blog-tab-btn:hover { color: var(--text-secondary); border-color: var(--green-border); }
.blog-tab-btn.active-tab {
    background: rgba(0, 255, 65, 0.15);
    border-color: var(--green);
    color: var(--green);
    box-shadow: 0 0 15px rgba(0, 255, 65, 0.2), inset 0 0 10px rgba(0, 255, 65, 0.1);
    text-shadow: 0 0 8px rgba(0, 255, 65, 0.5);
}

.blog-tab-btn.red-tab.active-tab {
    background: rgba(255, 65, 65, 0.15);
    border-color: #ff4141;
    color: #ff4141;
    box-shadow: 0 0 15px rgba(255, 65, 65, 0.2), inset 0 0 10px rgba(255, 65, 65, 0.1);
    text-shadow: 0 0 8px rgba(255, 65, 65, 0.5);
}
.blog-tab-btn.red-tab:hover:not(.active-tab) {
    color: #ff8888;
    border-color: rgba(255, 65, 65, 0.3);
}

/* Blog expand/collapse */
.blog-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.55s cubic-bezier(0.16,1,0.3,1), opacity 0.4s ease;
    opacity: 0;
}
.blog-body.open { max-height: 3000px; opacity: 1; }

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* Skill dot */
.skill-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: var(--green);
    flex-shrink: 0;
    box-shadow: 0 0 6px var(--green);
}

/* Input fields */
.field {
    width: 100%;
    padding: 0.8rem 1rem;
    background: rgba(0,0,0,0.4);
    border: 1px solid rgba(0,255,65,0.1);
    border-radius: 12px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.9rem;
    outline: none;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}
.field::placeholder { color: var(--text-dim); }
.field:focus {
    border-color: rgba(0,255,65,0.35);
    box-shadow: 0 0 0 3px rgba(0,255,65,0.06);
}

/* Fade-up animation */
@keyframes fadeUp {
    from { opacity:0; transform:translateY(20px); }
    to   { opacity:1; transform:translateY(0); }
}
.animate-fade-up { animation: fadeUp 0.8s cubic-bezier(0.16,1,0.3,1) forwards; }