/* ==========================================
   DEVELOPER PORTFOLIO - DESIGN SYSTEM
   Aryan Singh | DevOps & Cloud Architect
   ========================================== */

/* --- Custom Variables & Theme Tokens --- */
:root {
    /* Color Palette - Dark Theme (Default) */
    --bg-primary: #090A0F;
    --bg-secondary: #12131C;
    --bg-tertiary: #191B26;
    --bg-glass: rgba(18, 19, 28, 0.7);
    --border-glass: rgba(255, 255, 255, 0.06);
    --border-glass-hover: rgba(255, 255, 255, 0.15);
    
    --text-primary: #F1F5F9;
    --text-secondary: #94A3B8;
    --text-muted: #64748B;
    
    --accent-primary: #00F5FF;
    --accent-primary-rgb: 0, 245, 255;
    --accent-secondary: #8B5CF6;
    --accent-secondary-rgb: 139, 92, 246;
    --accent-gradient: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', "SFMono-Regular", Consolas, "Liberation Mono", Courier, monospace;
    
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.2);
    --shadow-md: 0 12px 30px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 25px rgba(0, 245, 255, 0.25);
    --shadow-glow-secondary: 0 0 25px rgba(139, 92, 246, 0.2);
    --border-radius-sm: 8px;
    --border-radius: 16px;
    --border-radius-lg: 24px;
}

/* --- Light Theme Overrides --- */
body.light-theme {
    --bg-primary: #F8FAFC;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F1F5F9;
    --bg-glass: rgba(255, 255, 255, 0.7);
    --border-glass: rgba(15, 23, 42, 0.08);
    --border-glass-hover: rgba(15, 23, 42, 0.16);
    
    --text-primary: #0F172A;
    --text-secondary: #475569;
    --text-muted: #94A3B8;
    
    --accent-primary: #0ea5e9;
    --accent-primary-rgb: 14, 165, 233;
    --accent-secondary: #6366f1;
    --accent-secondary-rgb: 99, 102, 241;
    
    --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 12px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 20px 50px rgba(15, 23, 42, 0.12);
    --shadow-glow: 0 0 25px rgba(14, 165, 233, 0.15);
    --shadow-glow-secondary: 0 0 25px rgba(99, 102, 241, 0.15);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    transition: background-color var(--transition-slow), color var(--transition-slow);
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
    border-radius: var(--border-radius-sm);
}

input, textarea, button, select {
    font-family: inherit;
    background: none;
    border: none;
    color: inherit;
    outline: none;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border: 2px solid var(--bg-primary);
    border-radius: var(--border-radius);
}

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

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
    font-weight: 800;
    letter-spacing: -0.03em;
    line-height: 1.15;
}

/* --- Scroll Progress Bar --- */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: var(--accent-gradient);
    z-index: 9999;
    width: 0%;
    transition: width 0.1s ease-out;
}

/* --- Back-to-Top Button --- */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.8);
    transition: all var(--transition-normal);
    box-shadow: var(--shadow-md);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.back-to-top:hover {
    transform: translateY(-5px) scale(1.05);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.back-to-top svg.progress-circle {
    position: absolute;
    top: 0;
    left: 0;
    transform: rotate(-90deg);
    width: 100%;
    height: 100%;
}

.back-to-top svg.progress-circle circle {
    fill: none;
    stroke: var(--accent-primary);
    stroke-width: 3;
    stroke-dasharray: 138;
    stroke-dashoffset: 138;
    transition: stroke-dashoffset 0.1s ease-out;
}

.back-to-top i {
    color: var(--text-primary);
    z-index: 2;
    transition: transform var(--transition-fast);
}

.back-to-top:hover i {
    transform: translateY(-2px);
    color: var(--accent-primary);
}

/* --- Utilities / Layout --- */
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 2rem;
}

.grid {
    display: grid;
    gap: 2rem;
}

.section {
    padding: 9rem 0 5rem 0;
    position: relative;
    z-index: 10;
}

.section-header {
    text-align: center;
    max-width: 650px;
    margin: 0 auto 5rem auto;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 1.2rem;
    background: linear-gradient(135deg, var(--text-primary) 30%, var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.section-subtitle {
    color: var(--text-secondary);
    font-size: 1.15rem;
    font-weight: 500;
}

.accent {
    color: var(--accent-primary);
    text-shadow: 0 0 15px rgba(var(--accent-primary-rgb), 0.25);
}

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

/* --- Ambient Glow Framework --- */
.bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: 50px 50px;
    background-image: 
        linear-gradient(to right, rgba(var(--accent-primary-rgb), 0.02) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(var(--accent-primary-rgb), 0.02) 1px, transparent 1px);
    z-index: 1;
    pointer-events: none;
    mask-image: radial-gradient(circle 800px at 50% 50%, #000 20%, transparent 100%);
    -webkit-mask-image: radial-gradient(circle 800px at 50% 50%, #000 20%, transparent 100%);
}

body.light-theme .bg-grid {
    background-image: 
        linear-gradient(to right, rgba(var(--accent-secondary-rgb), 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(var(--accent-secondary-rgb), 0.03) 1px, transparent 1px);
}

.bg-glow {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: 2;
    pointer-events: none;
    opacity: 0.12;
    transition: background-color var(--transition-slow);
}

body.light-theme .bg-glow {
    opacity: 0.06;
}

.bg-glow-1 {
    width: 500px;
    height: 500px;
    background: var(--accent-primary);
    top: 10%;
    left: -10%;
}

.bg-glow-2 {
    width: 600px;
    height: 600px;
    background: var(--accent-secondary);
    bottom: 15%;
    right: -10%;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    padding: 0.9rem 2rem;
    border-radius: var(--border-radius-sm);
    font-weight: 700;
    cursor: pointer;
    font-size: 0.95rem;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-gradient);
    color: #FFFFFF;
    box-shadow: var(--shadow-glow);
}

body.light-theme .btn-primary {
    color: #FFFFFF;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.25), transparent);
    transition: left 0.6s ease;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 35px rgba(var(--accent-primary-rgb), 0.45);
    filter: brightness(1.1);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    backdrop-filter: blur(10px);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: var(--accent-primary);
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

body.light-theme .btn-secondary {
    background: rgba(15, 23, 42, 0.02);
}

body.light-theme .btn-secondary:hover {
    background: rgba(15, 23, 42, 0.05);
}

/* --- Status Badge --- */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: var(--success);
    padding: 0.4rem 1rem;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 600;
}

.status-badge .dot {
    width: 8px;
    height: 8px;
    background-color: var(--success);
    border-radius: 50%;
}

.pulse-green .dot {
    animation: pulse-dot-anim 1.8s infinite cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes pulse-dot-anim {
    0% { transform: scale(0.85); opacity: 0.6; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.4); }
    50% { transform: scale(1.25); opacity: 1; box-shadow: 0 0 0 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.85); opacity: 0.6; box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

/* --- Header / Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: transparent;
    border-bottom: 1px solid transparent;
    transition: all var(--transition-normal);
}

.header.sticky {
    background: var(--bg-glass);
    border-bottom: 1px solid var(--border-glass);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-sm);
}

.header-container {
    height: 5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 1.4rem;
    font-weight: 800;
    font-family: var(--font-mono);
    z-index: 1100;
}

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

.logo-text {
    letter-spacing: 0.5px;
}

.nav {
    transition: all var(--transition-normal);
}

.nav-list {
    display: flex;
    gap: 2.2rem;
}

.nav-link {
    color: var(--text-secondary);
    font-weight: 600;
    position: relative;
    padding: 0.5rem 0;
    font-size: 0.95rem;
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1.2rem;
    z-index: 1100;
}

/* Theme Toggle Button */
.theme-toggle-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.theme-toggle-btn:hover {
    border-color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.08);
    transform: rotate(15deg);
    color: var(--accent-primary);
}

body.light-theme .theme-toggle-btn {
    background: rgba(15, 23, 42, 0.03);
}

body.light-theme .theme-toggle-btn:hover {
    background: rgba(15, 23, 42, 0.06);
}

.menu-toggle {
    display: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--text-primary);
}

/* --- Hero Section --- */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-container {
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    padding-top: 5rem;
    position: relative;
    z-index: 10;
}

.hero-greeting {
    font-family: var(--font-mono);
    color: var(--accent-secondary);
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 0.8rem;
    letter-spacing: -0.04em;
}

.hero-subtitle-container {
    margin-bottom: 1.8rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
}

.hero-subtitle {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.hero-subtitle-container .cursor {
    font-size: 1.8rem;
    color: var(--accent-primary);
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 100% { opacity: 1; }
    50% { opacity: 0; }
}

.hero-description {
    color: var(--text-secondary);
    font-size: 1.2rem;
    max-width: 580px;
    margin-bottom: 3rem;
    line-height: 1.7;
}

.hero-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-bottom: 3rem;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    padding: 0.6rem 1.2rem;
    border-radius: 30px;
    font-size: 0.88rem;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    transition: all var(--transition-fast);
}

.badge:hover {
    transform: translateY(-2px);
    border-color: var(--border-glass-hover);
}

.badge-aws {
    border-color: rgba(255, 153, 0, 0.2);
    color: #FF9900;
    background: rgba(255, 153, 0, 0.04);
}

.badge-docker {
    border-color: rgba(36, 150, 237, 0.2);
    color: #2496ED;
    background: rgba(36, 150, 237, 0.04);
}

.badge-linux {
    border-color: rgba(252, 190, 3, 0.2);
    color: #FCBE03;
    background: rgba(252, 190, 3, 0.04);
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

.hero-visual {
    position: relative;
    width: 100%;
}

/* Glass Card / Code Display */
.code-card {
    background: var(--bg-glass);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(20px);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
}

.code-card:hover {
    transform: translateY(-8px) rotate(1deg);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    border-color: rgba(var(--accent-primary-rgb), 0.25);
}

.code-card-header {
    background: rgba(0, 0, 0, 0.25);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

body.light-theme .code-card-header {
    background: rgba(0, 0, 0, 0.04);
}

.code-card-header .dots {
    display: flex;
    gap: 0.5rem;
}

.code-card-header .dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot-red { background-color: var(--danger); }
.dot-yellow { background-color: var(--warning); }
.dot-green { background-color: var(--success); }

.code-card-title {
    font-family: var(--font-mono);
    font-size: 0.88rem;
    color: var(--text-muted);
}

.code-card-body {
    padding: 1.8rem;
    font-family: var(--font-mono);
    font-size: 0.92rem;
    overflow-x: auto;
}

.code-card-body pre {
    white-space: pre;
    line-height: 1.6;
}

.code-card-body span.key {
    color: var(--accent-primary);
}

.code-card-body span.string {
    color: var(--success);
}

.code-card-body span.number {
    color: var(--accent-secondary);
}

/* System Stats Card Overlay */
.stats-overlay {
    margin-top: 1.5rem;
    background: rgba(255, 255, 255, 0.02);
    border-top: 1px solid var(--border-glass);
    padding: 1.2rem 1.8rem;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    font-family: var(--font-mono);
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-name {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: 0.3rem;
}

.stat-value {
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.stat-bar {
    height: 4px;
    background: var(--bg-tertiary);
    border-radius: 2px;
    margin-top: 0.4rem;
    overflow: hidden;
    position: relative;
}

.stat-bar-inner {
    height: 100%;
    background: var(--accent-gradient);
    width: 0%;
    transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
}

/* --- Services Section --- */
.services-grid {
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2.2rem;
}

.service-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 2.5rem;
    position: relative;
    overflow: hidden;
    transition: all var(--transition-normal);
    z-index: 1;
}

body.light-theme .service-card {
    background: #FFFFFF;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(var(--accent-primary-rgb), 0.03), rgba(var(--accent-secondary-rgb), 0.03));
    z-index: -1;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--accent-primary-rgb), 0.25);
    box-shadow: var(--shadow-md);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon-container {
    width: 4rem;
    height: 4rem;
    border-radius: var(--border-radius-sm);
    background: rgba(var(--accent-primary-rgb), 0.06);
    border: 1px solid rgba(var(--accent-primary-rgb), 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    margin-bottom: 2rem;
    transition: all var(--transition-normal);
}

.service-card:hover .service-icon-container {
    background: var(--accent-gradient);
    color: #FFFFFF;
    box-shadow: var(--shadow-glow);
    border-color: transparent;
    transform: scale(1.05) rotate(5deg);
}

.service-title {
    font-size: 1.4rem;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.service-desc {
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.6;
    margin-bottom: 1.8rem;
}

.service-features-list {
    display: grid;
    gap: 0.6rem;
    margin-top: 1rem;
    border-top: 1px solid var(--border-glass);
    padding-top: 1.5rem;
}

.service-feature {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.service-feature i {
    color: var(--accent-primary);
}

/* --- Pipeline Simulator Section --- */
.pipeline-simulator {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 3.5rem 2.5rem;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

body.light-theme .pipeline-simulator {
    background: #FFFFFF;
}

.pipeline-controls {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.btn-pipeline-control {
    padding: 0.6rem 1.4rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    transition: all var(--transition-fast);
}

.btn-pipeline-control:hover, .btn-pipeline-control.active {
    background: rgba(var(--accent-primary-rgb), 0.08);
    border-color: var(--accent-primary);
    color: var(--text-primary);
}

.pipeline-flow-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 3.5rem;
    overflow-x: auto;
    padding: 1.5rem 0.5rem;
}

.pipeline-stage {
    display: flex;
    flex-direction: column;
    align-items: center;
    z-index: 5;
    position: relative;
    min-width: 110px;
    text-align: center;
    transition: transform var(--transition-normal);
}

.stage-icon {
    width: 4rem;
    height: 4rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.02);
    border: 2px solid var(--border-glass);
    color: var(--text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: all var(--transition-normal);
}

.stage-label {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-secondary);
    margin-bottom: 0.4rem;
}

.stage-status {
    font-size: 0.72rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.pipeline-connector {
    flex-grow: 1;
    height: 3px;
    background: var(--border-glass);
    position: relative;
    margin: 0 -12px;
    min-width: 50px;
    transition: background-color var(--transition-normal);
}

.pulse-dot {
    position: absolute;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-primary);
    top: 50%;
    left: 0;
    transform: translateY(-50%);
    opacity: 0;
    box-shadow: 0 0 12px var(--accent-primary);
}

/* Active, Success and Failure States */
.pipeline-stage.active .stage-icon {
    background: rgba(var(--accent-primary-rgb), 0.12);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    box-shadow: 0 0 20px rgba(var(--accent-primary-rgb), 0.25);
    transform: scale(1.1);
}

.pipeline-stage.active .stage-label {
    color: var(--text-primary);
}

.pipeline-stage.active .stage-status {
    color: var(--accent-primary);
}

.pipeline-stage.success .stage-icon {
    background: rgba(16, 185, 129, 0.12);
    border-color: var(--success);
    color: var(--success);
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.15);
}

.pipeline-stage.success .stage-status {
    color: var(--success);
}

.pipeline-stage.failed .stage-icon {
    background: rgba(239, 68, 68, 0.12);
    border-color: var(--danger);
    color: var(--danger);
    box-shadow: 0 0 15px rgba(239, 68, 68, 0.15);
    animation: shake 0.5s ease-in-out;
}

.pipeline-stage.failed .stage-status {
    color: var(--danger);
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

.pipeline-connector.pulse-active {
    background: linear-gradient(to right, var(--accent-primary), var(--border-glass));
}

.pipeline-connector.pulse-active .pulse-dot {
    animation: flow-pulse-anim 1.2s linear infinite;
    opacity: 1;
}

.pipeline-connector.pulse-failed {
    background: linear-gradient(to right, var(--danger), var(--border-glass));
}

.pipeline-connector.pulse-failed .pulse-dot {
    background-color: var(--danger);
    box-shadow: 0 0 12px var(--danger);
    animation: flow-pulse-anim 1.2s linear infinite;
    opacity: 1;
}

.pipeline-connector.success {
    background: var(--success);
}

.pipeline-connector.failed {
    background: var(--danger);
}

@keyframes flow-pulse-anim {
    0% { left: 0%; opacity: 0; }
    20% { opacity: 1; }
    80% { opacity: 1; }
    100% { left: 100%; opacity: 0; }
}

.pipeline-log-card {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

body.light-theme .pipeline-log-card {
    background: #0f172a;
}

.log-card-header {
    background: rgba(0, 0, 0, 0.2);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

body.light-theme .log-card-header {
    background: rgba(255, 255, 255, 0.05);
}

.log-header-left {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--text-primary);
}

body.light-theme .log-header-left {
    color: #FFFFFF;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--text-muted);
}

.status-indicator.live {
    background-color: var(--accent-primary);
    box-shadow: 0 0 8px var(--accent-primary);
    animation: pulse-dot-anim 1.5s infinite;
}

.btn-terminal-action {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: var(--accent-gradient);
    color: #FFFFFF;
    padding: 0.5rem 1.2rem;
    border-radius: 4px;
    font-weight: 600;
    font-size: 0.82rem;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-terminal-action:hover {
    filter: brightness(1.1);
    transform: translateY(-1px);
}

.btn-terminal-action:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.log-console {
    height: 200px;
    padding: 1.5rem;
    font-family: var(--font-mono);
    font-size: 0.88rem;
    overflow-y: auto;
    background: transparent;
    color: #E2E8F0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.log-line {
    line-height: 1.5;
}

.log-line.command {
    color: var(--accent-primary);
}

.log-line.success {
    color: var(--success);
}

.log-line.danger {
    color: var(--danger);
}

/* --- Portfolio/Case Studies Section --- */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
}

.filter-btn {
    padding: 0.6rem 1.6rem;
    border-radius: 30px;
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

body.light-theme .filter-btn {
    background: #FFFFFF;
}

.filter-btn:hover, .filter-btn.active {
    background: var(--accent-gradient);
    color: #FFFFFF;
    border-color: transparent;
    box-shadow: var(--shadow-glow);
}

.portfolio-grid {
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 2.2rem;
}

.portfolio-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: all var(--transition-normal);
    position: relative;
    cursor: pointer;
}

body.light-theme .portfolio-card {
    background: #FFFFFF;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--accent-primary-rgb), 0.25);
    box-shadow: var(--shadow-md);
}

.portfolio-img-container {
    height: 220px;
    position: relative;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.portfolio-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 0;
    transition: transform var(--transition-slow);
}

.portfolio-card:hover .portfolio-img-container img {
    transform: scale(1.05);
}

.portfolio-category-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: #FFFFFF;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.78rem;
    font-weight: 600;
}

.portfolio-content {
    padding: 2rem;
}

.portfolio-metric {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    color: var(--success);
    font-weight: 700;
    font-size: 0.9rem;
    margin-bottom: 0.6rem;
}

.portfolio-title {
    font-size: 1.3rem;
    margin-bottom: 0.8rem;
    color: var(--text-primary);
}

.portfolio-desc {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.portfolio-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.portfolio-tag {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    padding: 0.2rem 0.6rem;
    border-radius: 4px;
    color: var(--text-muted);
}

body.light-theme .portfolio-tag {
    background: rgba(15, 23, 42, 0.02);
}

/* Modal details */
.portfolio-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(12px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.portfolio-modal.open {
    opacity: 1;
    pointer-events: all;
}

.portfolio-modal-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    max-width: 750px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
    transform: translateY(30px) scale(0.95);
    transition: transform var(--transition-normal);
}

body.light-theme .portfolio-modal-card {
    background: #FFFFFF;
}

.portfolio-modal.open .portfolio-modal-card {
    transform: translateY(0) scale(1);
}

.portfolio-modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    border: 1px solid var(--border-glass);
    z-index: 10;
    transition: all var(--transition-fast);
}

.portfolio-modal-close:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.portfolio-modal-img {
    height: 300px;
    width: 100%;
    object-fit: cover;
    border-radius: 0;
}

.portfolio-modal-content {
    padding: 3rem;
}

.portfolio-modal-header {
    border-bottom: 1px solid var(--border-glass);
    padding-bottom: 2rem;
    margin-bottom: 2rem;
}

.portfolio-modal-body h4 {
    margin-top: 1.8rem;
    margin-bottom: 0.8rem;
    font-size: 1.15rem;
}

.portfolio-modal-body p {
    color: var(--text-secondary);
    margin-bottom: 1.2rem;
    line-height: 1.7;
}

/* --- Pricing Section --- */
.pricing-toggle-wrapper {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 4rem;
    font-weight: 700;
}

.pricing-toggle-label {
    font-size: 1.05rem;
    color: var(--text-secondary);
}

.pricing-toggle-label.active {
    color: var(--text-primary);
}

.pricing-toggle {
    width: 60px;
    height: 32px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-glass);
    border-radius: 30px;
    position: relative;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.pricing-toggle-circle {
    width: 24px;
    height: 24px;
    background: var(--accent-gradient);
    border-radius: 50%;
    position: absolute;
    top: 3px;
    left: 4px;
    transition: left 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pricing-toggle.yearly .pricing-toggle-circle {
    left: 30px;
}

.discount-badge {
    background: rgba(139, 92, 246, 0.15);
    border: 1px solid rgba(139, 92, 246, 0.3);
    color: var(--accent-secondary);
    font-size: 0.78rem;
    padding: 0.25rem 0.6rem;
    border-radius: 20px;
    margin-left: 0.5rem;
}

.pricing-grid {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.2rem;
    align-items: stretch;
}

.pricing-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 3rem 2.5rem;
    display: flex;
    flex-direction: column;
    position: relative;
    transition: all var(--transition-normal);
}

body.light-theme .pricing-card {
    background: #FFFFFF;
}

.pricing-card.popular {
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow-secondary);
    background: rgba(139, 92, 246, 0.02);
}

body.light-theme .pricing-card.popular {
    background: #FFFFFF;
}

.popular-badge {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--accent-gradient);
    color: #FFFFFF;
    font-size: 0.78rem;
    font-weight: 700;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

.pricing-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--accent-primary-rgb), 0.25);
    box-shadow: var(--shadow-md);
}

.pricing-card.popular:hover {
    border-color: var(--accent-secondary);
    box-shadow: var(--shadow-glow-secondary), var(--shadow-md);
}

.pricing-header {
    margin-bottom: 2.5rem;
}

.pricing-name {
    font-size: 1.4rem;
    margin-bottom: 0.6rem;
}

.pricing-desc {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.5;
}

.pricing-price-container {
    display: flex;
    align-items: baseline;
    margin-bottom: 2rem;
}

.pricing-price {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -0.04em;
    color: var(--text-primary);
    line-height: 1;
}

.pricing-period {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-left: 0.5rem;
}

.pricing-features {
    display: grid;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-grow: 1;
}

.pricing-feature {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.pricing-feature i {
    flex-shrink: 0;
    color: var(--accent-primary);
}

.pricing-feature.disabled {
    color: var(--text-muted);
    text-decoration: line-through;
    opacity: 0.5;
}

.pricing-feature.disabled i {
    color: var(--text-muted);
}

.pricing-card .btn {
    width: 100%;
}

/* --- Testimonials Section --- */
.testimonial-section {
    overflow: hidden;
}

.testimonial-carousel {
    max-width: 850px;
    margin: 0 auto;
    position: relative;
    padding: 0 3rem;
}

.testimonial-track-container {
    overflow: hidden;
    position: relative;
}

.testimonial-track {
    display: flex;
    transition: transform var(--transition-slow);
}

.testimonial-slide {
    min-width: 100%;
    box-sizing: border-box;
    padding: 1rem;
}

.testimonial-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 3.5rem;
    text-align: center;
    position: relative;
    box-shadow: var(--shadow-md);
}

body.light-theme .testimonial-card {
    background: #FFFFFF;
}

.testimonial-quote-icon {
    font-size: 4rem;
    color: rgba(var(--accent-primary-rgb), 0.1);
    position: absolute;
    top: 1rem;
    left: 2rem;
    font-family: Georgia, serif;
    pointer-events: none;
}

.testimonial-text {
    font-size: 1.3rem;
    line-height: 1.7;
    margin-bottom: 2.5rem;
    color: var(--text-primary);
    font-style: italic;
}

.testimonial-user-profile {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
}

.testimonial-avatar {
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 50%;
    border: 2px solid var(--accent-primary);
    object-fit: cover;
    box-shadow: var(--shadow-glow);
}

.testimonial-name {
    font-size: 1.15rem;
    font-weight: 700;
}

.testimonial-role {
    font-size: 0.88rem;
    color: var(--text-secondary);
}

.testimonial-stars {
    display: flex;
    gap: 0.3rem;
    color: var(--warning);
}

.testimonial-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-fast);
}

.testimonial-arrow:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.08);
}

.testimonial-arrow-prev {
    left: 0;
}

.testimonial-arrow-next {
    right: 0;
}

.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 0.6rem;
    margin-top: 2.5rem;
}

.testimonial-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.testimonial-dot.active {
    background: var(--accent-gradient);
    width: 24px;
    border-radius: 10px;
}

/* --- Interactive Shell Console --- */
.terminal {
    background: #06070a;
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    font-family: var(--font-mono);
}

body.light-theme .terminal {
    box-shadow: var(--shadow-lg);
}

.terminal-header {
    background: #0f111a;
    padding: 0.9rem 1.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.terminal-left {
    display: flex;
    gap: 0.5rem;
}

.term-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: block;
}

.term-dot.close { background-color: var(--danger); }
.term-dot.minimize { background-color: var(--warning); }
.term-dot.maximize { background-color: var(--success); }

.terminal-title {
    font-size: 0.82rem;
    color: var(--text-muted);
    letter-spacing: 0.5px;
}

.terminal-right {
    display: flex;
    gap: 0.8rem;
}

.term-badge {
    font-size: 0.72rem;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.06);
    color: var(--text-muted);
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.terminal-body {
    height: 400px;
    padding: 1.8rem;
    overflow-y: auto;
    color: #A0AEC0;
    font-size: 0.92rem;
    display: flex;
    flex-direction: column;
    line-height: 1.6;
}

.terminal-output p {
    margin-bottom: 0.5rem;
    word-break: break-all;
    white-space: pre-wrap;
}

.cmd-history-item {
    margin-bottom: 0.8rem;
}

.terminal-input-line {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    width: 100%;
}

.terminal-user {
    color: #48BB78;
    font-weight: 700;
}

.terminal-path {
    color: var(--accent-secondary);
}

#terminal-input {
    flex-grow: 1;
    color: #FFFFFF;
    font-family: var(--font-mono);
    font-size: 0.92rem;
    border: none;
    outline: none;
}

.accent-terminal {
    color: var(--accent-primary);
    font-weight: 700;
}

.cmd-response-text {
    margin-top: 0.4rem;
    color: #CBD5E0;
    white-space: pre-wrap;
}

/* Terminal Neofetch Grid */
.neofetch-container {
    display: flex;
    gap: 2rem;
    margin: 1rem 0;
    align-items: flex-start;
}

.neofetch-logo {
    color: var(--accent-primary);
    font-weight: 800;
    font-size: 0.9rem;
    line-height: 1.2;
}

.neofetch-info {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}

.neofetch-item {
    font-size: 0.88rem;
}

.neofetch-label {
    color: var(--accent-secondary);
    font-weight: 700;
}

/* Custom Terminal Color Schemes classes */
.terminal.scheme-neon {
    background: #0B0410;
    border-color: rgba(255, 0, 127, 0.2);
}
.terminal.scheme-neon #terminal-input, 
.terminal.scheme-neon .cmd-response-text {
    color: #FF00FF;
}
.terminal.scheme-neon .terminal-user { color: #00F5FF; }

.terminal.scheme-matrix {
    background: #000500;
    border-color: #00FF00;
}
.terminal.scheme-matrix #terminal-input, 
.terminal.scheme-matrix .cmd-response-text,
.terminal.scheme-matrix .terminal-user,
.terminal.scheme-matrix .terminal-title,
.terminal.scheme-matrix .terminal-path {
    color: #00FF00;
    text-shadow: 0 0 4px #00FF00;
}

.terminal.scheme-cyber {
    background: #0F0A00;
    border-color: #FFEE00;
}
.terminal.scheme-cyber #terminal-input,
.terminal.scheme-cyber .cmd-response-text {
    color: #FFEE00;
}
.terminal.scheme-cyber .terminal-user { color: #00AAFF; }
.terminal.scheme-cyber .terminal-path { color: #FF0055; }

/* --- FAQ Section --- */
.faq-accordion {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 1.2rem;
}

.faq-item {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    transition: all var(--transition-normal);
}

body.light-theme .faq-item {
    background: #FFFFFF;
}

.faq-item:hover {
    border-color: var(--border-glass-hover);
}

.faq-item.active {
    border-color: rgba(var(--accent-primary-rgb), 0.2);
    background: rgba(255, 255, 255, 0.02);
}

body.light-theme .faq-item.active {
    background: #FFFFFF;
}

.faq-question-btn {
    width: 100%;
    padding: 1.8rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    text-align: left;
    transition: color var(--transition-fast);
}

.faq-question-btn:hover {
    color: var(--accent-primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal) cubic-bezier(0, 1, 0, 1), padding var(--transition-normal);
    padding: 0 2rem;
    color: var(--text-secondary);
    font-size: 0.98rem;
    line-height: 1.6;
}

.faq-item.active .faq-answer {
    max-height: 250px;
    padding-bottom: 1.8rem;
    transition: max-height var(--transition-normal) cubic-bezier(1, 0, 1, 0), padding var(--transition-normal);
}

.faq-icon-chevron {
    transition: transform var(--transition-normal);
}

.faq-item.active .faq-icon-chevron {
    transform: rotate(180deg);
    color: var(--accent-primary);
}

/* --- Contact Section & Form --- */
.contact-grid {
    grid-template-columns: 0.9fr 1.1fr;
    gap: 3.5rem;
    align-items: start;
}

.contact-info-card {
    background: rgba(255, 255, 255, 0.01);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 3rem;
}

body.light-theme .contact-info-card {
    background: #FFFFFF;
}

.contact-info-title {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.contact-info-desc {
    color: var(--text-secondary);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: 2.5rem;
}

.contact-details {
    display: grid;
    gap: 1.8rem;
}

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 1.2rem;
}

.detail-icon {
    width: 3.2rem;
    height: 3.2rem;
    border-radius: 50%;
    background: rgba(var(--accent-primary-rgb), 0.06);
    border: 1px solid rgba(var(--accent-primary-rgb), 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
}

.detail-text {
    font-size: 1.05rem;
    font-weight: 500;
}

.detail-text a:hover {
    color: var(--accent-primary);
}

.contact-form-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-glass);
    border-radius: var(--border-radius);
    padding: 3.5rem;
    box-shadow: var(--shadow-md);
}

body.light-theme .contact-form-card {
    background: #FFFFFF;
}

.contact-form {
    display: grid;
    gap: 1.8rem;
}

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

.form-group label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-secondary);
    transition: color var(--transition-fast);
}

.form-group input, 
.form-group textarea {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border-radius: var(--border-radius-sm);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    color: var(--text-primary);
    font-size: 0.98rem;
    transition: all var(--transition-fast);
}

body.light-theme .form-group input,
body.light-theme .form-group textarea {
    background: rgba(15, 23, 42, 0.01);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: var(--shadow-glow);
}

body.light-theme .form-group input:focus,
body.light-theme .form-group textarea:focus {
    background: #FFFFFF;
}

.form-group.error input,
.form-group.error textarea {
    border-color: var(--danger);
    box-shadow: 0 0 10px rgba(239, 68, 68, 0.15);
}

.form-group.error label {
    color: var(--danger);
}

.form-error-msg {
    color: var(--danger);
    font-size: 0.78rem;
    font-weight: 600;
    margin-top: 0.2rem;
    display: none;
}

.form-group.error .form-error-msg {
    display: block;
}

.btn-submit {
    justify-content: center;
    font-size: 1rem;
    padding: 1rem 2rem;
}

.btn-submit i.spinner {
    animation: rotate 1s linear infinite;
}

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

.contact-success-overlay {
    text-align: center;
    padding: 2rem 0;
    display: none;
    animation: fadeIn 0.4s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.success-icon-container {
    width: 5rem;
    height: 5rem;
    border-radius: 50%;
    background: rgba(16, 185, 129, 0.1);
    border: 2px solid var(--success);
    color: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem auto;
    font-size: 2rem;
}

/* --- Footer --- */
.footer {
    background: #040508;
    border-top: 1px solid var(--border-glass);
    padding: 5rem 0 3rem 0;
}

body.light-theme .footer {
    background: #FFFFFF;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-info h4 {
    font-family: var(--font-mono);
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
}

.footer-info p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
    max-width: 320px;
}

.footer-column h5 {
    font-size: 1rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-links-list {
    display: grid;
    gap: 0.8rem;
}

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

.footer-link-item a:hover {
    color: var(--accent-primary);
    padding-left: 3px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

body.light-theme .footer-bottom {
    border-top-color: rgba(0, 0, 0, 0.05);
}

.copyright {
    color: var(--text-muted);
    font-size: 0.88rem;
}

.footer-socials {
    display: flex;
    gap: 1.2rem;
}

.social-link {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-glass);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background: rgba(255, 255, 255, 0.06);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-3px);
}

/* --- Responsive Media Queries --- */

@media (max-width: 1024px) {
    html {
        font-size: 15px;
    }
    
    .hero-title {
        font-size: 3.8rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 4rem;
        padding-top: 7rem;
    }
    
    .hero-visual {
        max-width: 600px;
        margin: 0 auto;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-top {
        grid-template-columns: 1.2fr 1fr 1fr;
    }
    
    .footer-column:last-child {
        grid-column: span 3;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 6rem 0 3rem 0;
    }
    
    .section-title {
        font-size: 2.4rem;
    }
    
    .header-container {
        height: 4.5rem;
    }
    
    .menu-toggle {
        display: block;
        z-index: 1200;
    }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: var(--bg-secondary);
        border-left: 1px solid var(--border-glass);
        z-index: 1000;
        display: flex;
        align-items: center;
        padding: 4rem;
        box-shadow: var(--shadow-lg);
        transition: right var(--transition-normal);
    }
    
    .nav.open {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 2rem;
    }
    
    .nav-link {
        font-size: 1.2rem;
    }
    
    .hero-title {
        font-size: 3.2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 1rem;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .pipeline-controls {
        flex-wrap: wrap;
    }
    
    .portfolio-filters {
        flex-wrap: wrap;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .footer-column:last-child {
        grid-column: span 1;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .contact-form-card, 
    .contact-info-card,
    .pipeline-simulator,
    .service-card,
    .pricing-card,
    .testimonial-card {
        padding: 2rem 1.5rem;
    }
    
    .testimonial-carousel {
        padding: 0;
    }
    
    .testimonial-arrow {
        display: none;
    }
}