/*
  ================================================================================
  This code is part of the HacxGPT project.  Repo: hacx-gpt/hacx-gpt.github.io
  Copyright (c) 2025-26 HacxGPT. All Rights Reserved.

  This project is open-source. Please see the 'LICENSE' file in the root
  directory of this repository for the full license terms and conditions
  before copying, modifying, or distributing this code.
  ================================================================================
*/

/* 1. CSS VARIABLES & MODERN SETUP */
:root {
    --bg-color: #010409;
    --card-bg: #0d1117; /* Slightly lighter than pure black for depth */
    --text-color: #E2E8F0;
    --subtle-text-color: #94A3B8;
    --border-color: rgba(255, 255, 255, 0.1);
    --nav-bg: rgba(13, 17, 23, 0.7); /* Darker, more professional nav */
    
    --accent-cyan: #22D3EE;
    --accent-purple: #A78BFA;
    --accent-cyan-rgb: 34, 211, 238;

    /* Animation Timing */
    --transition-speed-fast: 0.2s;
    --transition-speed-normal: 0.4s;
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: 'Inter', sans-serif;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased; /* Crisper text rendering */
    text-rendering: optimizeLegibility;
}

/* 2. SUBTLE BACKGROUND EFFECTS */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    z-index: -1;
    pointer-events: none;
    /* REFINED: Much softer, less distracting background glow */
    background-image: radial-gradient(
        circle 800px at var(--mouse-x) calc(var(--mouse-y) - var(--scroll-y)),
        rgba(var(--accent-cyan-rgb), 0.06),
        transparent 60%
    );
}

/* remove the underline only from the social-icon links */
.footer-top .social-icons a {
  text-decoration: none;
}


/* 3. REFINED HEADER */
.page-header {
    position: fixed;
    top: 0; left: 0;
    width: 100%;
    display: flex;
    justify-content: center; /* Centered for a cleaner look */
    padding: 1.5rem 2rem;
    z-index: 1000;
    transform: translateY(-100%);
    animation: slideDown 0.8s ease-out 0.5s forwards;
}

@keyframes slideDown { to { transform: translateY(0); } }

.main-nav {
    padding: 0.5rem;
    border-radius: 9999px;
    background-color: var(--nav-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 8px 32px rgba(0,0,0,0.37);
}

.main-nav a {
    color: var(--subtle-text-color);
    text-decoration: none;
    display: flex; align-items: center; gap: 0.5rem;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    transition: all var(--transition-speed-fast) ease;
}
.main-nav a:hover { 
    color: var(--text-color); 
    background-color: rgba(255, 255, 255, 0.07);
}
.main-nav a.active { 
    background-color: rgba(255, 255, 255, 0.1);
    color: var(--text-color); 
}
.main-nav .nav-icon { font-size: 1rem; }

/* 4. PROFESSIONAL HERO SECTION */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 1rem;
    max-width: 800px;
    margin: 0 auto;
}
.hero .tags { display: flex; justify-content: center; gap: 0.5rem; margin-bottom: 1.5rem; }
.hero .tag { font-size: 0.75rem; padding: 0.375rem 0.75rem; border-radius: 9999px; font-weight: 600; }
.hero .tag.once-ui { background-color: var(--accent-cyan); color: var(--bg-color); }
.hero .tag.featured-work { background-color: #1E293B; color: #E2E8F0; border: 1px solid #334155; }

.hero h1 { 
    font-size: clamp(3rem, 8vw, 5rem); 
    font-weight: 700; 
    line-height: 1.1; 
    margin-bottom: 1.5rem; 
    letter-spacing: -0.04em;
    color: var(--text-color);
    text-wrap: balance; /* Prevents awkward single-word lines */
}
.hero .subtitle { 
    font-size: 1.25rem; /* Slightly larger for better impact */
    color: var(--subtle-text-color); 
    line-height: 1.6; 
    max-width: 600px; 
    margin: 0 auto 2.5rem auto; 
    text-wrap: pretty;
}
.hero .about-link { display: inline-flex; align-items: center; gap: 0.75rem; padding: 0.5rem 1rem 0.5rem 0.5rem; border-radius: 9999px; text-decoration: none; color: var(--text-color); background-color: var(--nav-bg); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border: 1px solid var(--nav-border); transition: all var(--transition-speed-fast) ease-in-out; }
.hero .about-link:hover { background-color: rgba(255, 255, 255, 0.1); transform: scale(1.05); }
.hero .about-link img { width: 32px; height: 32px; border-radius: 50%; object-fit: cover; transition: transform var(--transition-speed-fast) ease-in-out; }
.hero .about-link:hover img { transform: scale(1.1) rotate(10deg); }


/* 5. PROFESSIONAL WORK SECTION & CARD REDESIGN */
.featured-work-section {
    padding: 6rem 2rem;
    max-width: 1200px;
    margin: 0 auto;
}
.featured-work-section .section-header { text-align: center; margin-bottom: 4rem; }
.featured-work-section h2 { 
    font-size: 2.75rem; 
    font-weight: 700; 
    margin-bottom: 0.5rem;
    text-wrap: balance;
}
.featured-work-section .section-header p { color: var(--subtle-text-color); font-size: 1.125rem; }

.work-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem; /* More breathing room */
}

/* --- PROFESSIONAL CARD DESIGN START --- */
.work-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 1.5rem;
    position: relative; /* Crucial for pseudo-elements */
    overflow: hidden;
    transition: transform var(--transition-speed-fast) ease, box-shadow var(--transition-speed-fast) ease;
}

@keyframes spin { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

/* The animated gradient that acts as a glowing border */
.work-card::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 200%; /* Make it large enough to cover the card corners */
    height: 200%;
    z-index: 0;
    opacity: 0; /* Hidden by default */
    background: conic-gradient(
        from 90deg,
        transparent 50%,
        var(--accent-cyan),
        var(--accent-purple),
        var(--accent-cyan),
        transparent
    );
    transform-origin: center center;
    transform: translate(-50%, -50%);
    transition: opacity var(--transition-speed-normal) ease;
}

.work-card:hover {
    transform: translateY(-8px); /* Subtle lift effect */
    box-shadow: 0 16px 40px rgba(0,0,0,0.4);
}

.work-card:hover::before {
    opacity: 1;
    animation: spin 4s linear infinite;
}

/* A solid background layer to hide the spinning gradient behind the content */
.work-card::after {
    content: '';
    position: absolute;
    inset: 1px; /* The thickness of the "border" */
    background-color: var(--card-bg);
    border-radius: 15px; /* Slightly smaller than the parent */
    z-index: 1;
}

/* The actual content of the card, must be above the ::after pseudo-element */
.card-content {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.card-header { display: flex; align-items: center; gap: 0.75rem; font-weight: 500; }
.card-image-wrapper { 
    border-radius: 8px; 
    overflow: hidden; 
    aspect-ratio: 16 / 9;
}
.card-image-wrapper img { 
    width: 100%; height: 100%; object-fit: cover; 
    transition: transform var(--transition-speed-normal) ease; 
}
.work-card:hover .card-image-wrapper img { transform: scale(1.05); }
.work-card h3 { font-size: 1.25rem; font-weight: 600; }
.work-card .card-description { color: var(--subtle-text-color); line-height: 1.5; }
/* --- PROFESSIONAL CARD DESIGN END --- */

/* 6. PROFESSIONAL FOOTER */
.page-footer {
    padding: 5rem 2rem 2rem;
    max-width: 1200px;
    margin: 4rem auto 0;
    border-top: 1px solid var(--border-color);
}
.footer-inner {
    display: flex;
    justify-content: space-between;
    gap: 3rem;
    margin-bottom: 4rem;
}
.footer-branding { flex-basis: 40%; }
.footer-logo {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
    display: block;
    margin-bottom: 0.5rem;
}
.footer-tagline {
    color: var(--subtle-text-color);
}
.footer-nav {
    display: flex;
    gap: 4rem;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.footer-links h6 {
    font-size: 0.875rem;
    color: var(--subtle-text-color);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}
.footer-links a {
    color: var(--text-color);
    text-decoration: none;
    transition: color var(--transition-speed-fast) ease;
}
.footer-links a:hover {
    color: var(--accent-cyan);
}
.footer-bottom {
    text-align: center;
    color: var(--subtle-text-color);
    font-size: 0.875rem;
}

/* 7. SCROLL-TRIGGERED ANIMATIONS */
.fade-in-up { opacity: 0; transform: translateY(40px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.fade-in-up.is-visible { opacity: 1; transform: translateY(0); }
.work-card.is-visible:nth-child(2) { transition-delay: 0.1s; }
.work-card.is-visible:nth-child(3) { transition-delay: 0.2s; }
.hero .tags, .hero h1, .hero .subtitle, .hero .about-link {
    opacity: 0;
    animation: fadeInAndUnblur 1s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}
@keyframes fadeInAndUnblur {
    from { opacity: 0; filter: blur(8px); transform: translateY(15px); }
    to { opacity: 1; filter: blur(0px); transform: translateY(0); }
}
.hero .tags { animation-delay: 0.8s; }
.hero h1 { animation-delay: 1.0s; }
.hero .subtitle { animation-delay: 1.2s; }
.hero .about-link { animation-delay: 1.4s; }


/* 8. RESPONSIVE ADJUSTMENTS */
@media (max-width: 768px) {
    .main-nav span { display: none; } /* On mobile, only show icons in nav */
    .work-grid { grid-template-columns: 1fr; }
    .footer-inner { flex-direction: column; }
    .footer-nav { width: 100%; justify-content: space-between; }
}

@media (max-width: 480px) {
    .main-nav a { padding: 0.5rem; } /* Make nav buttons smaller on small screens */
    .hero h1 { font-size: 2.5rem; }
    .hero .subtitle { font-size: 1.125rem; }
}