/* ==========================================================================
   DESIGN SYSTEM VARIABLES
   ========================================================================== */
:root {
    /* Color Palette - Dark Mode (Default) */
    --bg-primary: #05050c;
    --bg-secondary: #0b0c16;
    --bg-tertiary: #131525;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --accent-primary: #6366f1; /* Indigo */
    --accent-primary-hover: #4f46e5;
    --accent-secondary: #06b6d4; /* Cyan */
    --accent-secondary-hover: #0891b2;
    --accent-glow: rgba(99, 102, 241, 0.15);
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.18);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-bg-hover: rgba(255, 255, 255, 0.06);
    --glass-blur: 16px;
    
    /* Layout & Styling Tokens */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --border-radius-xl: 32px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --container-max-width: 1200px;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.4);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.5);
    --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.6);
    --shadow-accent: 0 0 30px rgba(99, 102, 241, 0.3);
}

/* Light Mode Override */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    
    --accent-primary: #4f46e5;
    --accent-primary-hover: #3730a3;
    --accent-secondary: #0891b2;
    --accent-secondary-hover: #0e7490;
    --accent-glow: rgba(79, 70, 229, 0.08);
    
    --border-color: rgba(15, 23, 42, 0.08);
    --border-hover: rgba(15, 23, 42, 0.16);
    --glass-bg: rgba(255, 255, 255, 0.65);
    --glass-bg-hover: rgba(255, 255, 255, 0.85);
    
    --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
    --shadow-accent: 0 0 30px rgba(79, 70, 229, 0.15);
}

/* ==========================================================================
   RESET & BASE STYLES
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

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

img, svg {
    max-width: 100%;
    display: block;
}

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

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* ==========================================================================
   ANIMATIONS & EFFECTS
   ========================================================================== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-12px); }
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.3; }
    50% { opacity: 0.6; }
}

@keyframes spin-slow {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Glowing background blobs */
.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    pointer-events: none;
    opacity: 0.4;
    transition: opacity var(--transition-normal);
}

.blob-1 {
    top: 5%;
    right: 5%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-primary) 0%, rgba(99,102,241,0) 70%);
    animation: float 10s ease-in-out infinite alternate;
}

.blob-2 {
    top: 45%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-secondary) 0%, rgba(6,182,212,0) 70%);
    animation: float 12s ease-in-out infinite alternate-reverse;
}

.blob-3 {
    bottom: 5%;
    right: 10%;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, var(--accent-primary) 0%, rgba(168,85,247,0) 70%);
    animation: float 8s ease-in-out infinite alternate;
}

[data-theme="light"] .blob {
    opacity: 0.2;
}

/* Accent Utility Classes */
.accent-text {
    color: var(--accent-primary);
}

.gradient-text {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* ==========================================================================
   LAYOUT COMPONENTS (BUTTONS & CONTAINER)
   ========================================================================== */
.container {
    width: 90%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 60px 0;
}

.text-center {
    text-align: center;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 28px;
    font-weight: 600;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.1rem;
    border-radius: var(--border-radius-lg);
}

.btn-sm {
    padding: 8px 18px;
    font-size: 0.9rem;
    border-radius: var(--border-radius-sm);
}

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

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-primary-hover) 100%);
    color: #ffffff;
    box-shadow: 0 4px 20px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(99, 102, 241, 0.4);
}

.btn-secondary {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    backdrop-filter: blur(8px);
}

.btn-secondary:hover {
    background: var(--glass-bg-hover);
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

/* ==========================================================================
   HEADER / NAVIGATION
   ========================================================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 100;
    background: rgba(5, 5, 12, 0.7);
    backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--border-color);
    transition: background var(--transition-normal), border-color var(--transition-normal);
}

[data-theme="light"] .header {
    background: rgba(248, 250, 252, 0.85);
}

.nav-container {
    width: 90%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: -0.5px;
}

.logo-icon {
    width: 32px;
    height: 32px;
    color: var(--accent-primary);
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 8px 0;
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-btn:hover {
    background: var(--glass-bg-hover);
    border-color: var(--border-hover);
}

.theme-btn svg {
    width: 20px;
    height: 20px;
}

.mobile-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
}

.mobile-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: all var(--transition-normal);
}

/* ==========================================================================
   MOBILE NAVIGATION MENU
   ========================================================================== */
.mobile-nav-overlay {
    position: fixed;
    top: 80px;
    left: 0;
    width: 100%;
    height: 0;
    background: var(--bg-primary);
    z-index: 99;
    overflow: hidden;
    transition: height var(--transition-slow);
}

.mobile-nav-overlay.open {
    height: calc(100vh - 80px);
}

.mobile-nav-menu {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 40px;
    gap: 24px;
}

.mobile-nav-link {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-secondary);
}

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

.mobile-cta {
    margin-top: 20px;
    width: 200px;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    padding-top: 140px;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
}

.badge-new {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: var(--border-radius-xl);
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    backdrop-filter: blur(8px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--accent-secondary);
    box-shadow: 0 0 10px var(--accent-secondary);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -1.5px;
    margin-bottom: 24px;
}

.hero-subtitle {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 580px;
}

.hero-ctas {
    display: flex;
    gap: 16px;
    margin-bottom: 50px;
}

.hero-stats {
    display: flex;
    gap: 48px;
    border-top: 1px solid var(--border-color);
    padding-top: 32px;
}

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

.stat-num {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-top: 6px;
}

/* ==========================================================================
   CSS INTERACTIVE DEVICE MOCKUP
   ========================================================================== */
.hero-mockup-container {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
}

.phone-mockup {
    width: 300px;
    height: 600px;
    background: #000000;
    border: 12px solid #1e293b;
    border-radius: 40px;
    box-shadow: var(--shadow-lg), 0 0 40px rgba(99, 102, 241, 0.15);
    position: relative;
    overflow: hidden;
    animation: float 6s ease-in-out infinite;
}

.phone-speaker {
    width: 60px;
    height: 4px;
    background: #475569;
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.phone-camera {
    width: 10px;
    height: 10px;
    background: #334155;
    border-radius: 50%;
    position: absolute;
    top: 15px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #090a15;
    position: relative;
    padding: 35px 16px 20px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Override for video mode */
.phone-screen-video {
    padding: 0;
    overflow: hidden;
}

.phone-screen-video iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
    pointer-events: none;
}

/* Mock Phone UI Elements */
.phone-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: rgba(255,255,255,0.7);
}

.phone-icons {
    display: flex;
    gap: 4px;
}

.phone-icons svg {
    width: 12px;
    height: 12px;
}

.phone-body-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

.mock-app-bar {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mock-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
}

.mock-welcome {
    display: flex;
    flex-direction: column;
}

.mock-greet {
    font-size: 0.65rem;
    color: rgba(255,255,255,0.5);
}

.mock-title {
    font-size: 0.8rem;
    font-weight: 700;
}

.mock-card {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.glow-card {
    box-shadow: 0 4px 20px rgba(99, 102, 241, 0.2);
    border-color: rgba(99, 102, 241, 0.3);
}

.mock-card-tag {
    font-size: 0.6rem;
    font-weight: 700;
    color: var(--accent-secondary);
    text-transform: uppercase;
}

.mock-card-name {
    font-size: 0.85rem;
    font-weight: 700;
}

.mock-card-desc {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.4;
}

.mock-card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 4px;
}

.mock-card-temp {
    font-size: 0.7rem;
    font-weight: 500;
    color: var(--accent-secondary);
}

.mock-mini-btn {
    background: var(--accent-primary);
    padding: 4px 10px;
    border-radius: 12px;
    font-size: 0.65rem;
    font-weight: 600;
}

.mock-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 8px;
}

.mock-grid-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.mock-grid-icon {
    width: 44px;
    height: 44px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.05);
}

.mock-grid-icon svg {
    width: 20px;
    height: 20px;
}

.icon-blue { color: var(--accent-primary); background: rgba(99, 102, 241, 0.1); }
.icon-purple { color: #a855f7; background: rgba(168, 85, 247, 0.1); }
.icon-orange { color: #f97316; background: rgba(249, 115, 22, 0.1); }
.icon-green { color: #22c55e; background: rgba(34, 197, 94, 0.1); }

.mock-grid-label {
    font-size: 0.55rem;
    text-align: center;
    color: rgba(255,255,255,0.7);
    white-space: nowrap;
}

.mock-widget {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: 14px;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.widget-header {
    display: flex;
    justify-content: space-between;
    font-size: 0.65rem;
    font-weight: 600;
}

.widget-status {
    color: #22c55e;
}

.widget-progress-bg {
    height: 4px;
    background: rgba(255,255,255,0.1);
    border-radius: 2px;
}

.widget-progress-fill {
    height: 100%;
    background: var(--accent-secondary);
    border-radius: 2px;
}

.widget-footer {
    font-size: 0.55rem;
    color: rgba(255,255,255,0.4);
}

.phone-home-indicator {
    width: 100px;
    height: 4px;
    background: #475569;
    border-radius: 2px;
    position: absolute;
    bottom: 6px;
    left: 50%;
    transform: translateX(-50%);
}

/* ==========================================================================
   APPS SECTION & CARD DESIGN
   ========================================================================== */
.apps-section {
    position: relative;
    background-color: var(--bg-secondary);
    transition: background-color var(--transition-normal);
}

.section-header {
    margin-bottom: 48px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.section-subtitle {
    font-size: 1.05rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.filter-controls {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
    margin-bottom: 48px;
}

.search-box {
    width: 100%;
    max-width: 500px;
    position: relative;
}

.search-icon {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: 14px 20px 14px 48px;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    backdrop-filter: blur(8px);
    transition: all var(--transition-fast);
}

.search-box input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 15px var(--accent-glow);
}

.filter-tabs {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    padding: 6px;
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(8px);
}

.filter-tab {
    padding: 10px 22px;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.filter-tab:hover {
    color: var(--text-primary);
}

.filter-tab.active {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    box-shadow: var(--shadow-sm);
}

/* Dynamic App Cards Grid */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 32px;
}

.app-card {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 28px;
    display: flex;
    flex-direction: column;
    backdrop-filter: blur(var(--glass-blur));
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.app-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-hover);
    box-shadow: var(--shadow-md), 0 10px 30px -10px var(--accent-glow);
}

.app-card-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 20px;
}

.app-icon-wrapper {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: var(--bg-tertiary);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    padding: 10px;
    transition: transform var(--transition-normal);
}

.app-card:hover .app-icon-wrapper {
    transform: scale(1.08) rotate(3deg);
}

.app-meta {
    display: flex;
    flex-direction: column;
}

.app-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.3;
}

.app-version {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.app-badges {
    display: flex;
    gap: 8px;
    margin-top: 6px;
}

.badge-tag {
    font-size: 0.75rem;
    font-weight: 600;
    padding: 2px 10px;
    border-radius: 12px;
}

.tag-utility { color: var(--accent-secondary); background: rgba(6, 182, 212, 0.1); }
.tag-productivity { color: var(--accent-primary); background: rgba(99, 102, 241, 0.1); }
.tag-finance { color: #a855f7; background: rgba(168, 85, 247, 0.1); }
.tag-open-source { color: #22c55e; background: rgba(34, 197, 94, 0.1); }

.app-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    flex-grow: 1;
}

.app-tech-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 28px;
}

.tech-badge {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 4px 10px;
    border-radius: 8px;
}

.app-card-footer {
    display: flex;
    gap: 12px;
}

.app-card-footer .btn {
    flex: 1;
}

/* No Results Status */
.no-results {
    text-align: center;
    padding: 60px 0;
    color: var(--text-secondary);
}

.no-results svg {
    margin: 0 auto 16px;
    color: var(--text-muted);
}

.no-results h3 {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

/* ==========================================================================
   SKILLS SECTION
   ========================================================================== */
.skills-section {
    position: relative;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 28px;
}

.skill-card {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    backdrop-filter: blur(var(--glass-blur));
    transition: all var(--transition-normal);
}

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

.skill-icon-container {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.skill-icon {
    width: 26px;
    height: 26px;
}

.purple-glow { color: var(--accent-primary); background: rgba(99, 102, 241, 0.08); box-shadow: 0 0 20px rgba(99, 102, 241, 0.1); }
.blue-glow { color: var(--accent-secondary); background: rgba(6, 182, 212, 0.08); box-shadow: 0 0 20px rgba(6, 182, 212, 0.1); }
.orange-glow { color: #f97316; background: rgba(249, 115, 22, 0.08); box-shadow: 0 0 20px rgba(249, 115, 22, 0.1); }
.green-glow { color: #22c55e; background: rgba(34, 197, 94, 0.08); box-shadow: 0 0 20px rgba(34, 197, 94, 0.1); }
.pink-glow { color: #ec4899; background: rgba(236, 72, 153, 0.08); box-shadow: 0 0 20px rgba(236, 72, 153, 0.1); }
.yellow-glow { color: #eab308; background: rgba(234, 179, 8, 0.08); box-shadow: 0 0 20px rgba(234, 179, 8, 0.1); }

.skill-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.skill-card p {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 20px;
    min-height: 72px;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.skill-tags span {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    padding: 4px 12px;
    border-radius: 6px;
}

/* ==========================================================================
   CONTACT SECTION
   ========================================================================== */
.contact-section {
    background-color: var(--bg-secondary);
    transition: background-color var(--transition-normal);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 60px;
    align-items: center;
}

.contact-desc {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-top: 16px;
    margin-bottom: 40px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--border-radius-md);
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
}

.contact-icon svg {
    width: 22px;
    height: 22px;
}

.contact-label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.contact-val {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-primary);
}

.contact-val:hover {
    color: var(--accent-primary);
}

.contact-card {
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    backdrop-filter: blur(var(--glass-blur));
    position: relative;
    overflow: hidden;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-group input, .form-group textarea {
    width: 100%;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 14px 18px;
    border-radius: var(--border-radius-md);
    color: var(--text-primary);
    transition: all var(--transition-fast);
}

.form-group input:focus, .form-group textarea:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 10px var(--accent-glow);
}

.send-icon {
    width: 18px;
    height: 18px;
}

/* Contact Form Success Overlay */
.form-success-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--bg-secondary);
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    text-align: center;
    animation: fadeIn var(--transition-normal);
}

.success-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.success-icon-wrapper {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: rgba(34, 197, 94, 0.1);
    border: 2px solid #22c55e;
    color: #22c55e;
    display: flex;
    align-items: center;
    justify-content: center;
}

.success-icon-wrapper svg {
    width: 36px;
    height: 36px;
}

.success-content h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
}

.success-content p {
    color: var(--text-secondary);
    max-width: 300px;
    margin-bottom: 12px;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 60px 0 20px;
    transition: background-color var(--transition-normal);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--border-color);
}

.footer-brand {
    max-width: 360px;
}

.footer-brand p {
    color: var(--text-secondary);
    margin-top: 16px;
}

.footer-links-group {
    display: flex;
    gap: 80px;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-links h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}

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

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

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ==========================================================================
   MODAL OVERLAY (APP DETAILS & PRIVACY POLICY)
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(5, 5, 12, 0.85);
    backdrop-filter: blur(12px);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.modal-container {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-xl);
    width: 100%;
    max-width: 900px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: var(--shadow-lg);
    animation: scaleUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    transition: background var(--transition-normal);
}

@keyframes scaleUp {
    0% { transform: scale(0.95); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

.modal-close {
    position: absolute;
    right: 24px;
    top: 24px;
    width: 40px;
    height: 40px;
    background: var(--glass-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: rgba(255,255,255,0.1);
    transform: rotate(90deg);
}

.modal-close svg {
    width: 18px;
    height: 18px;
}

/* Modal Specific Inner Content Grid */
.modal-content-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 40px;
    padding: 40px;
}

/* Left column - Gallery Carousel */
.modal-gallery-container {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.modal-carousel-main {
    position: relative;
    border-radius: var(--border-radius-lg);
    background: #000;
    border: 1px solid var(--border-color);
    aspect-ratio: 9/16;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-carousel-main img {
    height: 100%;
    width: 100%;
    object-fit: cover;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 36px;
    height: 36px;
    background: rgba(0,0,0,0.6);
    border: 1px solid rgba(255,255,255,0.1);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.btn-prev { left: 12px; }
.btn-next { right: 12px; }

.modal-carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.indicator-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.indicator-dot.active {
    background: var(--accent-primary);
    width: 24px;
    border-radius: 4px;
}

/* Right column - details & tabs */
.modal-info-panel {
    display: flex;
    flex-direction: column;
}

.modal-app-header {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 24px;
}

.modal-app-icon {
    width: 72px;
    height: 72px;
    border-radius: 20px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
}

.modal-app-meta h2 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 800;
}

.modal-app-meta p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.modal-tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.modal-tab-btn {
    padding: 10px 20px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-tab-btn:hover {
    color: var(--text-primary);
}

.modal-tab-btn.active {
    color: var(--accent-primary);
    border-bottom-color: var(--accent-primary);
}

.modal-tab-pane {
    display: none;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.7;
    min-height: 180px;
}

.modal-tab-pane.active {
    display: block;
}

/* List details */
.detail-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.detail-list-item {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

.detail-list-item svg {
    width: 20px;
    height: 20px;
    color: var(--accent-secondary);
    flex-shrink: 0;
    margin-top: 2px;
}

/* Technical stack table */
.tech-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 8px;
}

.tech-table th, .tech-table td {
    padding: 10px 12px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.tech-table th {
    font-weight: 700;
    color: var(--text-primary);
}

.tech-table td {
    color: var(--text-secondary);
}

/* Changelog list */
.changelog-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

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

.changelog-ver {
    font-weight: 700;
    color: var(--text-primary);
}

.changelog-date {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 4px;
}

/* Modal Actions Buttons */
.modal-actions {
    margin-top: 32px;
    border-top: 1px solid var(--border-color);
    padding-top: 24px;
    display: flex;
    gap: 16px;
}

.modal-actions .btn {
    flex: 1;
}

/* Privacy Modal Specifics */
.privacy-modal-container {
    max-width: 750px;
}

.privacy-modal-body {
    padding: 40px;
}

.privacy-select-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 30px;
    background: var(--bg-tertiary);
    padding: 12px 20px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-color);
}

.privacy-select-wrapper label {
    font-weight: 700;
    color: var(--text-primary);
}

.privacy-select-wrapper select {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    cursor: pointer;
    flex-grow: 1;
}

.privacy-text-content {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.8;
    height: 50vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    background: var(--bg-primary);
    padding: 24px;
    border-radius: var(--border-radius-md);
}

.privacy-text-content h1, .privacy-text-content h2, .privacy-text-content h3 {
    color: var(--text-primary);
    font-family: var(--font-heading);
    margin-top: 24px;
    margin-bottom: 12px;
}

.privacy-text-content h1 { font-size: 1.5rem; }
.privacy-text-content h2 { font-size: 1.25rem; }
.privacy-text-content p { margin-bottom: 16px; }

/* ==========================================================================
   RESPONSIVE DESIGN (MEDIA QUERIES)
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-grid {
        grid-template-columns: 1.1fr 0.9fr;
        gap: 30px;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .modal-content-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 30px;
    }
    
    .modal-carousel-main {
        max-width: 320px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .nav-menu, .nav-actions .nav-cta {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .hero-ctas {
        justify-content: center;
    }
    
    .hero-stats {
        justify-content: center;
        gap: 36px;
    }
    
    .hero-mockup-container {
        margin-top: 40px;
    }
    
    .footer-links-group {
        gap: 40px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-ctas {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-ctas .btn {
        width: 100%;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 20px;
    }
    
    .apps-grid {
        grid-template-columns: 1fr;
    }
    
    .filter-tabs {
        width: 100%;
    }
    
    .filter-tab {
        flex-grow: 1;
        text-align: center;
        padding: 8px 12px;
    }
    
    .contact-card {
        padding: 24px;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
}