/* ==========================================================================
   Design Tokens & Variables
   ========================================================================== */
:root {
    /* Solid Colors - Strictly No Gradients */
    --color-bg-base: #09090b;
    --color-bg-panel: #121216;
    --color-bg-card: #18181b;
    --color-bg-input: #09090b;
    
    --color-primary: #2563eb;       /* Solid Cobalt Blue */
    --color-primary-hover: #3b82f6; /* Lighter Cobalt Blue */
    --color-primary-focus: rgba(37, 99, 235, 0.2);
    
    --color-text-primary: #f4f4f5;
    --color-text-secondary: #a1a1aa;
    --color-text-muted: #71717a;
    
    --color-border: #27272a;
    --color-border-hover: #3f3f46;
    
    --color-success: #10b981;
    --color-error: #ef4444;

    /* Shadows & Glows (No Gradients) */
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 50px rgba(37, 99, 235, 0.08);
    --shadow-glow-hover: 0 0 60px rgba(37, 99, 235, 0.15);
    
    /* Layout & Animation Variables */
    --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --transition-fast: 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-medium: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-slow: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    
    --container-max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-bg-base);
}

body {
    font-family: var(--font-sans);
    color: var(--color-text-primary);
    background-color: var(--color-bg-base);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: var(--color-bg-base);
}
::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* ==========================================================================
   Typography & Headers
   ========================================================================== */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

/* ==========================================================================
   Interactive Components & Buttons
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #ffffff;
}

.btn-primary:hover {
    background-color: var(--color-primary-hover);
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
}

.btn-secondary {
    background-color: var(--color-bg-card);
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

.btn-secondary:hover {
    border-color: var(--color-border-hover);
    background-color: #202024;
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-border);
}

.btn-outline:hover {
    background-color: var(--color-text-primary);
    color: var(--color-bg-base);
    border-color: var(--color-text-primary);
}

.btn-block {
    display: flex;
    width: 100%;
}

.badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.25rem 0.75rem;
    background-color: rgba(37, 99, 235, 0.1);
    color: var(--color-primary);
    border-radius: 100px;
    border: 1px solid rgba(37, 99, 235, 0.2);
    margin-bottom: 1.5rem;
}

/* ==========================================================================
   Navigation Bar
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background-color: rgba(9, 9, 11, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--color-border);
    transition: all var(--transition-fast);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.logo {
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
}

.logo-accent {
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-primary);
    transition: width var(--transition-fast);
}

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

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

.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 101;
}

.menu-bar {
    width: 100%;
    height: 2px;
    background-color: var(--color-text-primary);
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Mobile Menu Opened States */
.menu-toggle.active .menu-bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.menu-toggle.active .menu-bar:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active .menu-bar:nth-child(3) {
    transform: translateY(-8px) rotate(-45deg);
}

.mobile-menu {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: 0;
    background-color: var(--color-bg-base);
    border-bottom: 1px solid var(--color-border);
    z-index: 99;
    overflow: hidden;
    transition: height var(--transition-medium);
}

.mobile-menu.active {
    height: calc(100vh - 80px);
}

.mobile-nav-links {
    display: flex;
    flex-direction: column;
    padding: 3rem 2rem;
    gap: 2rem;
}

.mobile-nav-link {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.mobile-cta {
    margin-top: 1rem;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    padding-top: 160px;
    padding-bottom: 100px;
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 20%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 400px;
    height: 400px;
    background-color: var(--color-primary);
    opacity: 0.04;
    filter: blur(80px);
    pointer-events: none;
    border-radius: 50%;
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 620px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--color-text-primary);
    margin-bottom: 1.5rem;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--color-text-secondary);
    margin-bottom: 2.5rem;
    max-width: 540px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
}

/* Terminal Graphic */
.code-terminal {
    background-color: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    max-width: 500px;
    margin-left: auto;
}

.terminal-header {
    background-color: var(--color-bg-card);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-dot.red { background-color: #ef4444; }
.terminal-dot.yellow { background-color: #f59e0b; }
.terminal-dot.green { background-color: #10b981; }

.terminal-title {
    margin-left: 0.75rem;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

.terminal-body {
    padding: 1.5rem;
    color: #a1a1aa;
    overflow-x: auto;
    white-space: pre;
}

/* Syntax Highlighting */
.token.keyword { color: #f43f5e; }
.token.string { color: #10b981; }
.token.function { color: #3b82f6; }
.token.class-name { color: #fbbf24; }

/* ==========================================================================
   Services Section
   ========================================================================== */
.section-padding {
    padding: 120px 0;
}

.section-header {
    margin-bottom: 5rem;
}

.section-header.text-center {
    text-align: center;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.section-tag {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-primary);
    font-weight: 700;
    display: block;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 2.5rem 2rem;
    transition: all var(--transition-medium);
}

.service-card:hover {
    border-color: var(--color-border-hover);
    transform: translateY(-4px);
    box-shadow: var(--shadow-glow);
}

.service-icon {
    width: 48px;
    height: 48px;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.service-card-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card-text {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

/* ==========================================================================
   Selected Work Section
   ========================================================================== */
.work-section {
    border-top: 1px solid var(--color-border);
}

.projects-container {
    display: flex;
    flex-direction: column;
    gap: 6rem;
}

.project-item {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.project-item.alt-layout {
    grid-template-columns: 1fr 1fr;
}

.project-item.alt-layout .project-content {
    order: 2;
}

.project-item.alt-layout .project-visual {
    order: 1;
}

.project-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.project-tag-pill {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 0.25rem 0.75rem;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    color: var(--color-text-secondary);
}

.project-name {
    font-size: 2.25rem;
    font-weight: 800;
    margin-bottom: 1.25rem;
}

.project-desc {
    font-size: 1.05rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--color-primary);
}

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

.link-arrow {
    width: 16px;
    height: 16px;
    transition: transform var(--transition-fast);
}

.project-link:hover .link-arrow {
    transform: translateX(4px);
}

/* Project Visuals & Web Mockups */
.project-visual {
    width: 100%;
}

.project-preview-card {
    background-color: var(--color-bg-panel);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    width: 100%;
    transition: all var(--transition-medium);
}

.project-preview-card:hover {
    border-color: var(--color-border-hover);
    box-shadow: var(--shadow-glow-hover);
}

.preview-header {
    background-color: var(--color-bg-card);
    padding: 0.75rem 1rem;
    display: flex;
    align-items: center;
    border-bottom: 1px solid var(--color-border);
    position: relative;
}

.preview-indicator {
    width: 8px;
    height: 8px;
    background-color: #3f3f46;
    border-radius: 50%;
    box-shadow: 12px 0 0 #3f3f46, 24px 0 0 #3f3f46;
}

.preview-url {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    font-family: monospace;
}

.preview-body {
    padding: 1.5rem;
    height: 220px;
    display: flex;
    gap: 1rem;
}

.preview-body.img-preview {
    padding: 0;
    overflow: hidden;
    display: block;
}

.project-screenshot {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top center;
    display: block;
    transition: transform var(--transition-medium);
}

.project-preview-card:hover .project-screenshot {
    transform: scale(1.05);
}

.preview-sidebar {
    width: 60px;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    border-right: 1px solid rgba(255, 255, 255, 0.03);
}

.preview-main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.preview-title-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.preview-badge-status {
    font-size: 0.65rem;
    font-weight: 700;
    color: var(--color-success);
    background-color: rgba(16, 185, 129, 0.1);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.preview-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
}

.preview-box {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: 4px;
    padding: 0.75rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.preview-line {
    height: 6px;
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 3px;
}

.preview-line.short { width: 40%; }
.preview-line.medium { width: 60%; }
.preview-line.long { width: 90%; }

/* Map Specific Mockup Styling */
.map-preview {
    padding: 0;
    position: relative;
    overflow: hidden;
}

.map-grid {
    position: relative;
    width: 100%;
    height: 100%;
    background-color: #0c0d10;
}

.map-svg {
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.map-hud {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background-color: rgba(9, 9, 11, 0.85);
    border: 1px solid var(--color-border);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-family: monospace;
    font-size: 0.65rem;
    display: flex;
    gap: 0.75rem;
    z-index: 2;
}

.hud-label {
    color: var(--color-text-muted);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact-section {
    background-color: var(--color-bg-panel);
    border-top: 1px solid var(--color-border);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.contact-intro {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    margin-bottom: 3.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.contact-detail-item {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
}

.detail-icon {
    width: 24px;
    height: 24px;
    color: var(--color-primary);
    flex-shrink: 0;
    margin-top: 0.2rem;
}

.detail-text h4 {
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: 0.35rem;
}

.detail-text p {
    font-size: 1.05rem;
    color: var(--color-text-primary);
}

.contact-link-direct:hover {
    color: var(--color-primary);
}

/* Contact Form */
.contact-form-panel {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-form.hidden {
    display: none;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    padding: 0.75rem 1rem;
    background-color: var(--color-bg-input);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text-primary);
    transition: all var(--transition-fast);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-text-muted);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-focus);
}

/* Custom Styled Select Dropdown */
.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3E%3Cpath stroke='%23a1a1aa' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3E%3C/svg%3E");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.25rem;
    padding-right: 2.5rem;
}

/* Loader Animation */
.btn-loader {
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.btn-loader.hidden {
    display: none;
}

.btn-text.hidden {
    display: none;
}

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

/* Form Success State Card */
.form-success-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 0;
    animation: fadeIn 0.4s ease forwards;
}

.form-success-card.hidden {
    display: none;
}

.success-icon-container {
    width: 64px;
    height: 64px;
    background-color: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 50%;
    color: var(--color-success);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.success-icon-container svg {
    width: 32px;
    height: 32px;
}

.form-success-card h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

.form-success-card p {
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    font-size: 0.95rem;
    max-width: 320px;
}

/* ==========================================================================
   Footer Section
   ========================================================================== */
.footer {
    padding: 5rem 0 3rem 0;
    border-top: 1px solid var(--color-border);
}

.footer-container {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.footer-info {
    max-width: 380px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.03em;
    display: inline-block;
    margin-bottom: 1rem;
}

.footer-tagline {
    font-size: 0.95rem;
    color: var(--color-text-secondary);
}

.footer-meta {
    border-top: 1px solid var(--color-border);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

.footer-meta p {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.footer-links {
    display: flex;
    gap: 2rem;
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

.footer-links a:hover {
    color: var(--color-text-primary);
}

/* ==========================================================================
   Animations
   ========================================================================== */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
}

.delay-1 {
    animation-delay: 0.2s;
}

/* Scroll reveal classes controlled by JS */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    .hero-graphic {
        max-width: 500px;
        margin-left: 0;
    }
    .code-terminal {
        margin-left: 0;
    }
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .project-item, .project-item.alt-layout {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    .project-item.alt-layout .project-content {
        order: 1;
    }
    .project-item.alt-layout .project-visual {
        order: 2;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
}

@media (max-width: 768px) {
    .nav-menu, .nav-cta {
        display: none;
    }
    .menu-toggle {
        display: flex;
    }
    .hero-title {
        font-size: 2.75rem;
    }
    .section-padding {
        padding: 80px 0;
    }
    .section-header {
        margin-bottom: 3.5rem;
    }
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    .projects-container {
        gap: 4rem;
    }
    .project-name {
        font-size: 1.75rem;
    }
    .contact-form-panel {
        padding: 2rem 1.5rem;
    }
    .footer-meta {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }
}