/* ========================================
   Developer Portfolio - Custom Styles
   ======================================== */

/* CSS Variables */
:root {
    --bg-primary: #0a0a0a;
    --bg-secondary: #111111;
    --bg-tertiary: #1a1a1a;
    --border-color: #2a2a2a;
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --text-tertiary: #666666;
    --accent: #e0e0e0;
    --terminal-green: #00ff88;
    --terminal-blue: #4a9eff;
    --terminal-purple: #a855f7;
    --terminal-yellow: #fbbf24;
    --terminal-orange: #f97316;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Font Classes */
.font-mono {
    font-family: 'JetBrains Mono', 'Fira Code', monospace;
}

/* ========================================
   Navigation
   ======================================== */
#navbar {
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

#navbar.scrolled {
    background: rgba(10, 10, 10, 0.95);
    border-bottom: 1px solid var(--border-color);
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    position: relative;
    transition: var(--transition);
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--terminal-green);
    transition: var(--transition);
}

.nav-link:hover {
    color: var(--text-primary);
}

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

/* Mobile Menu Button */
#mobile-menu-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text-primary);
    transition: var(--transition);
}

#mobile-menu-btn.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

#mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

#mobile-menu-btn.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* ========================================
   Hero Section
   ======================================== */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

/* Grid Background Pattern */
.bg-grid-pattern {
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    position: absolute;
    inset: 0;
}

/* Terminal Window */
.terminal-window {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    box-shadow:
        0 25px 50px -12px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.05);
}

.terminal-header {
    background: var(--bg-tertiary);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
}

.terminal-buttons {
    display: flex;
    gap: 8px;
}

.terminal-btn {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-btn.close {
    background: #ff5f56;
}

.terminal-btn.minimize {
    background: #ffbd2e;
}

.terminal-btn.maximize {
    background: #27ca40;
}

.terminal-title {
    flex: 1;
    text-align: center;
    color: var(--text-tertiary);
}

.terminal-body {
    position: relative;
}

/* ========================================
   Buttons
   ======================================== */
.btn-primary {
    display: inline-flex;
    align-items: center;
    background: var(--text-primary);
    color: var(--bg-primary);
    border: 2px solid var(--text-primary);
    border-radius: 4px;
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.btn-primary:hover {
    background: transparent;
    color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
}

.btn-secondary {
    display: inline-flex;
    align-items: center;
    background: transparent;
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: 4px;
    text-decoration: none;
    transition: var(--transition);
    font-weight: 500;
}

.btn-secondary:hover {
    border-color: var(--text-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.1);
}

/* ========================================
   About Section
   ======================================== */
.code-block {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
}

.code-header {
    background: var(--bg-tertiary);
    padding: 8px 16px;
    border-bottom: 1px solid var(--border-color);
}

.code-content {
    background: var(--bg-secondary);
}

/* Stats Cards */
.stat-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
}

.stat-card:hover {
    border-color: var(--text-tertiary);
    transform: translateY(-4px);
}

/* ========================================
   Skills Section
   ======================================== */
.skill-category {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 24px;
    transition: var(--transition);
}

.skill-category:hover {
    border-color: var(--text-tertiary);
}

.skill-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    padding: 6px 12px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--text-secondary);
    transition: var(--transition);
    cursor: default;
}

.skill-tag:hover {
    border-color: var(--terminal-green);
    color: var(--terminal-green);
    box-shadow: 0 0 10px rgba(0, 255, 136, 0.2);
}

/* ========================================
   Projects Section
   ======================================== */
.project-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    transition: var(--transition);
}

.project-card:hover {
    border-color: var(--text-tertiary);
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.card-header {
    background: var(--bg-tertiary);
}

.folder-icon {
    transition: var(--transition);
}

.project-card:hover .folder-icon {
    transform: scale(1.1);
}

.project-link {
    color: var(--text-tertiary);
    transition: var(--transition);
    opacity: 0;
    transform: translateX(-10px);
}

.project-card:hover .project-link {
    opacity: 1;
    transform: translateX(0);
}

.project-link:hover {
    color: var(--terminal-green);
}

/* Tech Tags */
.tech-tag {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.65rem;
    padding: 4px 8px;
    background: rgba(0, 255, 136, 0.1);
    border: 1px solid rgba(0, 255, 136, 0.3);
    border-radius: 3px;
    color: var(--terminal-green);
}

/* ========================================
   GitHub Section
   ======================================== */
.github-stat {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
}

.github-stat:hover {
    border-color: var(--text-tertiary);
    transform: translateY(-2px);
}

.repo-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
    cursor: pointer;
}

.repo-card:hover {
    border-color: var(--text-tertiary);
    transform: translateX(4px);
    background: var(--bg-tertiary);
}

/* ========================================
   Achievements Section
   ======================================== */
.achievement-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
}

.achievement-card:hover {
    border-color: var(--text-tertiary);
    transform: translateY(-4px);
}

.achievement-icon {
    transition: var(--transition);
}

.achievement-card:hover .achievement-icon {
    transform: scale(1.1);
}

/* ========================================
   Contact Section
   ======================================== */
.contact-item {
    display: flex;
    align-items: center;
    text-decoration: none;
    padding: 12px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition);
}

.contact-item:hover {
    border-color: var(--text-tertiary);
    transform: translateX(4px);
}

.contact-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-tertiary);
    border-radius: 8px;
    margin-right: 16px;
    color: var(--text-secondary);
    transition: var(--transition);
}

.contact-item:hover .contact-icon {
    background: var(--terminal-green);
    color: var(--bg-primary);
}

/* Contact Form */
.form-input {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.form-input:focus {
    box-shadow: none;
}

.form-input:focus {
    border-color: var(--terminal-green);
    box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

/* ========================================
   Footer
   ======================================== */
.social-link {
    color: var(--text-tertiary);
    transition: var(--transition);
}

.social-link:hover {
    color: var(--text-primary);
    transform: translateY(-2px);
}

/* ========================================
   Scrollbar
   ======================================== */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ========================================
   Selection
   ======================================== */
::selection {
    background: var(--terminal-green);
    color: var(--bg-primary);
}

/* ========================================
   Animations
   ======================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes blink {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0;
    }
}

.cursor-blink {
    animation: blink 1s infinite;
}

/* Initial states for AOS */
[data-aos="fade-up"] {
    opacity: 0;
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* ========================================
   Responsive Styles
   ======================================== */

/* Tablet */
@media (max-width: 1024px) {
    .terminal-body {
        padding: 24px;
    }

    h1 {
        font-size: 3rem;
    }
}

/* Mobile */
@media (max-width: 640px) {

    /* Navigation */
    .nav-link {
        display: block;
        padding: 12px 0;
        border-bottom: 1px solid var(--border-color);
    }

    /* Hero */
    .terminal-window {
        margin: 0 16px;
    }

    .terminal-body {
        padding: 20px 16px;
    }

    h1 {
        font-size: 2.5rem;
    }

    .font-mono.text-5xl {
        font-size: 2rem;
    }

    .font-mono.text-xl,
    .font-mono.text-2xl {
        font-size: 1rem;
    }

    /* Sections */
    section {
        padding: 80px 0;
    }

    /* Section Headers */
    .flex.items-center.mb-12 {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
    }

    .flex-1.h-px.bg-gray-800.ml-6 {
        display: none;
    }

    /* Stats */
    .grid.grid-cols-2.md\:grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    /* Projects */
    .grid.md\:grid-cols-2.lg\:grid-cols-3 {
        grid-template-columns: 1fr;
    }

    /* GitHub */
    .grid.md\:grid-cols-3 {
        grid-template-columns: 1fr;
    }

    /* Achievements */
    .grid.md\:grid-cols-3 {
        grid-template-columns: 1fr;
    }

    /* Contact */
    .grid.md\:grid-cols-2 {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .flex-col.md\:flex-row {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
}

/* ========================================
   Utility Classes
   ======================================== */
.text-green-400 {
    color: var(--terminal-green);
}

.text-blue-400 {
    color: var(--terminal-blue);
}

.text-purple-400 {
    color: var(--terminal-purple);
}

.text-yellow-300 {
    color: var(--terminal-yellow);
}

.text-orange-300 {
    color: var(--terminal-orange);
}

.hover\:text-green-400:hover {
    color: var(--terminal-green);
}

/* Cursor for typing animation */
.typed-cursor {
    color: var(--terminal-green);
    font-weight: bold;
}