/* ===================================
   CSS Variables & Design Tokens
   =================================== */
:root {
    /* Colors - Dark Theme (Tech Cyberpunk) */
    --bg-primary: #0d1117;
    --bg-secondary: #161b22;
    --bg-tertiary: #1c2128;
    --bg-card: rgba(28, 33, 40, 0.85);

    /* Accent Colors - Neon Green Tech */
    --accent-primary: #39ff14;
    /* Neon Green */
    --accent-secondary: #00d4aa;
    /* Cyan-Green */
    --accent-tertiary: #7fff00;
    /* Chartreuse */
    --accent-gradient: linear-gradient(135deg, #39ff14 0%, #00d4aa 100%);
    --accent-gradient-alt: linear-gradient(120deg, #7fff00 0%, #39ff14 50%, #00d4aa 100%);

    /* Text Colors */
    --text-primary: #f0f6fc;
    --text-secondary: #c9d1d9;
    --text-muted: #8b949e;

    /* Glassmorphism (reduced usage) */
    --glass-bg: rgba(22, 27, 34, 0.6);
    --glass-border: rgba(57, 255, 20, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.6);

    /* Shadows with Neon Glow */
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 10px 15px -3px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 20px 25px -5px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 20px rgba(57, 255, 20, 0.3);

    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;

    /* Default Grid color */
    --grid-color: rgba(57, 255, 20, 0.04);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

/* Light Theme (Clean Professional with Tech Accents) */
.light-theme {
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-card: rgba(255, 255, 255, 0.9);

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;

    /* Light theme uses darker green for better contrast */
    --accent-primary: #00d97e;
    --accent-secondary: #00a86b;
    --accent-tertiary: #00d4aa;
    --accent-gradient: linear-gradient(135deg, #00d97e 0%, #00a86b 100%);

    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(0, 217, 126, 0.15);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.07);

    /* Grid color for light mode */
    --grid-color: rgba(0, 217, 126, 0.05);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

::selection {
    background-color: var(--accent-primary);
    color: var(--bg-primary);
}

/* ===================================
   Typography
   =================================== */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
}

h3 {
    font-size: clamp(1.5rem, 3vw, 2rem);
}

h4 {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
}

p {
    font-size: clamp(1rem, 1.5vw, 1.125rem);
    color: var(--text-secondary);
}

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

/* ===================================
   Container
   =================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   Navigation
   =================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--glass-border);
    transition: var(--transition-normal);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    background: linear-gradient(90deg,
            var(--accent-primary) 0%,
            var(--accent-secondary) 50%,
            var(--accent-tertiary) 75%,
            var(--accent-primary) 100%);
    background-size: 200% 100%;
    animation: shimmer 3s linear infinite;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    filter: drop-shadow(0 0 8px rgba(57, 255, 20, 0.3));
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-link {
    position: relative;
    font-weight: 500;
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: var(--transition-normal);
}

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

.theme-toggle {
    cursor: pointer;
    font-size: 1.25rem;
    color: var(--text-secondary);
    transition: var(--transition-normal);
}

.theme-toggle:hover {
    color: var(--accent-primary);
    transform: rotate(15deg);
}

/* Language Toggle */
.lang-toggle {
    cursor: pointer;
    padding: 0.5rem 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 50px;
}

.lang-toggle:hover {
    background: var(--accent-gradient);
    color: white;
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.lang-toggle span {
    letter-spacing: 0.5px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    border-radius: 3px;
    transition: var(--transition-normal);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        /* Grille cyberpunk */
        repeating-linear-gradient(0deg,
            transparent,
            transparent 39px,
            var(--grid-color) 39px,
            var(--grid-color) 40px),
        repeating-linear-gradient(90deg,
            transparent,
            transparent 39px,
            var(--grid-color) 39px,
            var(--grid-color) 40px),
        /* Glow spots */
        radial-gradient(circle at 20% 30%, rgba(57, 255, 20, 0.08) 0%, transparent 40%),
        radial-gradient(circle at 80% 70%, rgba(0, 212, 170, 0.08) 0%, transparent 40%),
        var(--bg-primary);
    z-index: -1;
}

.hero-content {
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 3rem;
    align-items: center;
    text-align: left;
}

.hero-title {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.greeting {
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    font-weight: 500;
    color: var(--text-primary);
    opacity: 0.9;
    letter-spacing: 1px;
}

.name {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.5rem, 3vw, 2rem);
    color: var(--text-primary);
    margin-bottom: 1rem;
}

.hero-description {
    font-size: clamp(1rem, 1.5vw, 1.15rem);
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 0 2.5rem;
    line-height: 1.8;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 600;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(57, 255, 20, 0.6), 0 0 60px rgba(57, 255, 20, 0.3);
    filter: brightness(1.1);
}

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

.btn-secondary:hover {
    background: var(--glass-border);
    transform: translateY(-3px);
}

.hero-social {
    display: flex;
    gap: 1rem;
    justify-content: flex-start;
}

/* Hero Image & Animation */
.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 1;
}

.hero-image-wrapper {
    position: relative;
    width: 100%;
    max-width: 380px;
}

.floating-image {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    animation: float 6s ease-in-out infinite;
    filter: drop-shadow(0 0 30px rgba(57, 255, 20, 0.25));
}

.image-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 120%;
    height: 120%;
    background: radial-gradient(circle, rgba(57, 255, 20, 0.15) 0%, rgba(0, 212, 170, 0.1) 50%, transparent 70%);
    z-index: -1;
    pointer-events: none;
    animation: pulse-glow 4s ease-in-out infinite;
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-20px);
    }

    100% {
        transform: translateY(0px);
    }
}

.social-link {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    font-size: 1.25rem;
    transition: var(--transition-normal);
}

.social-link:hover {
    background: var(--accent-gradient);
    color: black;
    transform: translateY(-5px);
    box-shadow: var(--shadow-glow), 0 0 30px rgba(57, 255, 20, 0.4);
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.scroll-line {
    width: 2px;
    height: 40px;
    background: var(--accent-gradient);
    animation: scrollAnimation 2s infinite;
}

/* ===================================
   Section Styles
   =================================== */
section {
    padding: var(--spacing-xl) 0;
}

.section-title {
    text-align: center;
    margin-bottom: 1rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-size: 1.125rem;
}

/* ===================================
   Services Section
   =================================== */
.services {
    background: var(--bg-secondary);
}

.services-marquee {
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    padding: 2rem 0;
    background: var(--glass-bg);
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
}

.marquee-content {
    display: flex;
    gap: 1rem;
    animation: marquee 30s linear infinite;
    width: max-content;
}

.skill-tag {
    padding: 0.75rem 1.5rem;
    background: var(--bg-card);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-weight: 600;
    white-space: nowrap;
    backdrop-filter: blur(10px);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.skill-card {
    padding: 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
}

.skill-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow), 0 0 40px rgba(57, 255, 20, 0.2);
    background: rgba(28, 33, 40, 0.95);
}

.skill-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    font-size: 1.75rem;
    color: white;
    margin-bottom: 1.5rem;
}

.skill-card h3 {
    margin-bottom: 0.75rem;
}

.skill-card p {
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.skill-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-list span {
    padding: 0.4rem 0.8rem;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--accent-primary);
}

/* ===================================
   Why Choose AppNet
   =================================== */
.why-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.why-item {
    display: flex;
    gap: 1.5rem;
    padding: 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.why-item:hover {
    border-color: var(--accent-primary);
    transform: translateX(10px);
}

.why-icon {
    font-size: 1.5rem;
    color: var(--accent-primary);
    margin-top: 0.25rem;
}

.why-text h3 {
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
}

.why-text p {
    font-size: 0.95rem;
}

/* ===================================
   Process Section
   =================================== */
.process {
    background: var(--bg-secondary);
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    position: relative;
    padding: 2rem;
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--glass-border);
    z-index: 1;
}

.step-number {
    font-size: 3rem;
    font-weight: 800;
    color: var(--accent-primary);
    opacity: 0.1;
    position: absolute;
    top: 1rem;
    right: 1.5rem;
    z-index: -1;
}

.step-content h3 {
    margin-bottom: 1rem;
    color: var(--accent-primary);
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1.25rem;
    background: rgba(0, 210, 255, 0.1);
    color: var(--accent-primary);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 210, 255, 0.2);
}

/* ===================================
   Pricing Section
   =================================== */
.pricing {
    background: var(--bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    margin-top: 3rem;
}

.pricing-card {
    position: relative;
    padding: 2.5rem 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.pricing-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow), 0 0 40px rgba(57, 255, 20, 0.2);
}

.pricing-card.popular {
    border: 2px solid var(--accent-primary);
    box-shadow: 0 0 30px rgba(57, 255, 20, 0.2), 0 0 60px rgba(57, 255, 20, 0.1);
    transform: scale(1.05);
    position: relative;
    overflow: hidden;
}

.pricing-card.popular:hover {
    transform: scale(1.05) translateY(-10px);
}

.popular-badge {
    position: absolute;
    top: -15px;
    right: 20px;
    padding: 0.5rem 1.25rem;
    background: var(--accent-gradient);
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    box-shadow: var(--shadow-glow);
}

.pricing-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    font-size: 2rem;
    color: white;
    margin-bottom: 1.5rem;
}

.pricing-card h3 {
    font-size: 1.75rem;
    margin-bottom: 0.75rem;
    color: var(--text-primary);
}

.pricing-description {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    min-height: 3rem;
}

.pricing-price {
    margin-bottom: 2rem;
    padding: 1.5rem 0;
    border-top: 1px solid var(--glass-border);
    border-bottom: 1px solid var(--glass-border);
    width: 100%;
}

.price-amount {
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    line-height: 1.2;
}

.price-currency {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--accent-primary);
    margin-left: 0.25rem;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
    width: 100%;
    flex-grow: 1;
}

.pricing-features li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    text-align: left;
}

.pricing-features li i {
    color: var(--accent-primary);
    font-size: 1rem;
    flex-shrink: 0;
}

.pricing-card .btn {
    width: 100%;
    justify-content: center;
    margin-top: auto;
}

.pricing-info {
    margin-top: 3rem;
    padding: 1.5rem 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
    text-align: center;
}

.pricing-info p {
    margin: 0;
    color: var(--text-secondary);
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.pricing-info i {
    color: var(--accent-primary);
    font-size: 1.25rem;
}

/* ===================================
   Projects Section
   =================================== */
/* Project Filters */
.project-filters {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
}

.filter-btn:hover {
    color: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: translateY(-2px);
}

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

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2.5rem;
}

.project-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: var(--transition-normal);
    backdrop-filter: blur(10px);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.project-image {
    position: relative;
    width: 100%;
    height: 250px;
    overflow: hidden;
    background: var(--bg-tertiary);
}

.project-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
}

.project-card:hover .project-image img {
    transform: scale(1.1);
}

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-normal);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-link {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: 50%;
    font-size: 1.5rem;
    color: white;
}

.project-content {
    padding: 1.5rem;
}

.project-content h3 {
    margin-bottom: 0.5rem;
    font-size: 1.25rem;
    color: var(--text-primary);
}

.project-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.5;
}

.project-pro-info {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pro-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.pro-item i {
    color: var(--accent-primary);
    margin-top: 0.2rem;
    font-size: 0.9rem;
    width: 15px;
    text-align: center;
}

.pro-item span strong {
    color: var(--text-primary);
}

/* Project Tags */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.project-tags span {
    padding: 0.35rem 0.8rem;
    background: var(--bg-tertiary);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    color: var(--accent-primary);
}

.project-links {
    display: flex;
    gap: 1rem;
}

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1.2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    transition: var(--transition-normal);
}

.project-card.hide {
    display: none;
    opacity: 0;
    transform: scale(0.9);
}

.project-card.show {
    display: block;
    animation: fadeInScale 0.4s ease forwards;
}

@keyframes fadeInScale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ===================================
   About Section
   =================================== */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.about-image-border {
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 3px solid var(--accent-primary);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-text h3 {
    margin-bottom: 1.5rem;
}

.about-text p {
    margin-bottom: 1.5rem;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin: 2rem 0;
}

.stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    backdrop-filter: blur(10px);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-number-span {
    display: block;
    font-size: 2.5rem;
    font-weight: 800;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    display: block;
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-top: 0.5rem;
}

.about-certs {
    margin-top: 2rem;
}

.about-certs h4 {
    margin-bottom: 1rem;
}

.about-certs ul {
    list-style: none;
}

.about-certs li {
    padding: 0.75rem 0;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.about-certs i {
    color: var(--accent-primary);
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.testimonial-card {
    padding: 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition-normal);
}

.testimonial-card:hover {
    transform: translateY(-10px);
    border-color: var(--accent-primary);
}

.quote-icon {
    font-size: 2rem;
    color: var(--accent-primary);
    margin-bottom: 1rem;
}

.testimonial-text {
    margin-bottom: 2rem;
    font-style: italic;
    line-height: 1.8;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: 50%;
    color: white;
    font-size: 1.25rem;
}

.author-info h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.author-info p {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.testimonials-nav {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
}

.nav-btn {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition-normal);
    color: var(--text-primary);
}

.nav-btn:hover {
    background: var(--accent-gradient);
    color: white;
}

.testimonials-dots {
    display: flex;
    gap: 0.5rem;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    background: var(--bg-secondary);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.contact-icon {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-gradient);
    border-radius: var(--radius-md);
    font-size: 1.25rem;
    color: white;
    flex-shrink: 0;
}

.contact-details h4 {
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.contact-details a,
.contact-details p {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

.contact-social {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.social-btn {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    font-size: 1.25rem;
    transition: var(--transition-normal);
}

.social-btn:hover {
    background: var(--accent-gradient);
    color: white;
    transform: translateY(-5px);
}

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

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

.form-group label {
    font-weight: 600;
    color: var(--text-primary);
}

.form-group input,
.form-group textarea {
    padding: 1rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-normal);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 150px;
}

/* ===================================
   Footer
   =================================== */
.footer {
    background: var(--bg-primary);
    padding: 3rem 0 1.5rem;
    border-top: 1px solid var(--glass-border);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.footer-logo h3 {
    margin-bottom: 0.5rem;
}

.footer-logo p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

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

.footer-links a {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--glass-border);
}

.footer-bottom p {
    color: var(--text-muted);
    font-size: 0.9rem;
}