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

:root {
    --color-primary: #19d4ff;
    --color-primary-glow: rgba(25, 212, 255, 0.45);
    --color-secondary: #7ee8fa;
    --color-accent: #4fd3c4;
    --color-text: #e5e7eb;
    --color-text-light: #9ca3af;
    --color-bg: #0b0b12;
    --color-bg-alt: #121722;
    --color-bg-card: #171b28;
    --color-glow-warm: rgba(79, 211, 196, 0.28);
    --color-glow-cool: rgba(25, 212, 255, 0.22);
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --max-width: 1200px;
}

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

body {
    font-family: 'Geist Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background:
        radial-gradient(900px 600px at 15% 20%, rgba(25, 212, 255, 0.12), transparent 60%),
        radial-gradient(800px 500px at 85% 30%, rgba(79, 211, 196, 0.1), transparent 65%),
        radial-gradient(600px 500px at 50% 85%, rgba(126, 232, 250, 0.08), transparent 65%);
    z-index: -2;
    pointer-events: none;
}

body::after {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        linear-gradient(120deg, rgba(255, 255, 255, 0.02), transparent 55%),
        repeating-linear-gradient(90deg, rgba(25, 212, 255, 0.03), rgba(25, 212, 255, 0.03) 1px, transparent 1px, transparent 32px);
    mix-blend-mode: screen;
    opacity: 0.4;
    z-index: -1;
    pointer-events: none;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(10, 10, 15, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
    z-index: 1000;
    transition: all 0.3s ease;
}

nav.scrolled {
    background: rgba(10, 10, 15, 0.95);
    box-shadow: 0 2px 20px rgba(0, 212, 255, 0.1);
}

.nav-container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: var(--spacing-sm) var(--spacing-md);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}

.nav-logo img {
    height: 40px;
    width: auto;
}

.nav-logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
}

.nav-links {
    display: flex;
    gap: var(--spacing-md);
    list-style: none;
    margin: 0;
    padding: 0;
}

.nav-links a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width 0.3s ease;
}

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

.nav-links a.active {
    color: var(--color-primary);
}

.nav-links a.active::after {
    width: 100%;
}

.nav-toggle {
    display: none;
    width: 44px;
    height: 44px;
    border: 1px solid rgba(25, 212, 255, 0.3);
    border-radius: 10px;
    background: rgba(10, 12, 20, 0.8);
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--color-text);
    border-radius: 999px;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

nav.nav-open .nav-toggle span:nth-child(1) {
    transform: translateY(6px) rotate(45deg);
}

nav.nav-open .nav-toggle span:nth-child(2) {
    opacity: 0;
}

nav.nav-open .nav-toggle span:nth-child(3) {
    transform: translateY(-6px) rotate(-45deg);
}

.nav-toggle:hover {
    border-color: var(--color-primary);
    box-shadow: 0 6px 18px rgba(25, 212, 255, 0.2);
}

/* Sections */
section {
    min-height: 100vh;
    padding: var(--spacing-xl) var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

/* Home Section */
#home {
    background:
        radial-gradient(ellipse 900px 600px at 25% 45%, rgba(25, 212, 255, 0.14), transparent),
        radial-gradient(ellipse 700px 900px at 75% 55%, rgba(79, 211, 196, 0.1), transparent),
        var(--color-bg);
    text-align: center;
    position: relative;
    overflow: hidden;
}

#home::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(600px 420px at 15% 25%, rgba(25, 212, 255, 0.1), transparent 60%),
        radial-gradient(520px 380px at 85% 30%, rgba(79, 211, 196, 0.08), transparent 62%),
        linear-gradient(120deg, rgba(255, 255, 255, 0.02), transparent 45%, rgba(255, 255, 255, 0.015));
    animation: gridMove 18s linear infinite;
    opacity: 0.45;
}

#home::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(25, 212, 255, 0.1) 0%, transparent 52%);
    animation: pulse 7s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1) rotate(0deg); opacity: 0.3; }
    50% { transform: scale(1.2) rotate(180deg); opacity: 0.6; }
}

@keyframes gridMove {
    0% { background-position: 0 0; }
    100% { background-position: 60px 60px; }
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.hero-content::before,
.hero-content::after {
    content: '';
    position: absolute;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    filter: blur(30px);
    opacity: 0.7;
    z-index: -1;
    animation: orbDrift 10s ease-in-out infinite;
}

.hero-content::before {
    background: var(--color-glow-cool);
    top: -40px;
    left: -120px;
}

.hero-content::after {
    background: var(--color-glow-warm);
    bottom: -60px;
    right: -140px;
    animation-delay: -4s;
}

@keyframes orbDrift {
    0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(12px, -18px, 0) scale(1.08); }
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    text-shadow: 0 0 40px rgba(0, 212, 255, 0.3);
}

.hero-subtitle {
    font-size: clamp(1.25rem, 2.5vw, 1.5rem);
    font-weight: 400;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    line-height: 1.5;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s ease;
    display: inline-block;
    font-family: inherit;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent), var(--color-secondary));
    background-size: 200% 200%;
    color: var(--color-bg);
    font-weight: 700;
    box-shadow: 0 6px 24px var(--color-primary-glow);
    animation: gradientFlow 6s ease infinite;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 36px var(--color-primary-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-bg);
    transform: translateY(-2px);
    box-shadow: 0 4px 20px var(--color-primary-glow);
}

@keyframes gradientFlow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Services Section */
#services {
    background:
        radial-gradient(ellipse 650px 400px at 80% 20%, rgba(79, 211, 196, 0.12), transparent),
        var(--color-bg);
    position: relative;
}

#services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--color-text-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.service-card {
    background: var(--color-bg-card);
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 1px solid rgba(25, 212, 255, 0.12);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, transparent 20%, rgba(255, 255, 255, 0.06), transparent 80%);
    transform: translateX(-120%);
    transition: transform 0.6s ease;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(25, 212, 255, 0.25);
    border-color: var(--color-primary);
}

.service-card:hover::after {
    transform: translateX(120%);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    font-weight: 600;
    line-height: 1.3;
}

.service-card p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
}

.service-card ul {
    list-style: none;
    margin-top: var(--spacing-sm);
    padding-left: 0;
}

.service-card li {
    color: var(--color-text-light);
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1.75rem;
}

.service-card li::before {
    content: '🔋';
    position: absolute;
    left: 0;
}

/* AI Expertise Section */
#ai-expertise {
    background:
        radial-gradient(ellipse 900px 700px at 50% 50%, rgba(79, 211, 196, 0.12), transparent),
        radial-gradient(ellipse 600px 400px at 20% 80%, rgba(25, 212, 255, 0.08), transparent),
        var(--color-bg-alt);
    position: relative;
}

#ai-expertise::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.ai-content {
    max-width: 1000px;
    margin: 0 auto;
}

.ai-intro {
    font-size: 1.25rem;
    color: var(--color-text);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    padding: 0 var(--spacing-md);
}

.ai-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.ai-card {
    background: linear-gradient(135deg, rgba(25, 212, 255, 0.05), rgba(79, 211, 196, 0.05));
    padding: var(--spacing-lg);
    border-radius: 12px;
    border: 1px solid rgba(79, 211, 196, 0.2);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.ai-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-primary));
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.ai-card::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: radial-gradient(circle, rgba(79, 211, 196, 0.2), transparent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s ease, height 0.6s ease;
}

.ai-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 32px rgba(79, 211, 196, 0.3);
    border-color: var(--color-accent);
}

.ai-card:hover::before {
    transform: scaleX(1);
}

.ai-card:hover::after {
    width: 300px;
    height: 300px;
}

.ai-card h3 {
    font-size: 1.35rem;
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    position: relative;
    z-index: 1;
    font-weight: 600;
    line-height: 1.3;
}

.ai-card p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-sm);
    line-height: 1.7;
    position: relative;
    z-index: 1;
}

.ai-card ul {
    list-style: none;
    margin-top: var(--spacing-sm);
    position: relative;
    z-index: 1;
    padding-left: 0;
}

.ai-card li {
    color: var(--color-text-light);
    padding: 0.25rem 0;
    position: relative;
    padding-left: 1.75rem;
}

.ai-card li::before {
    content: '🤖';
    position: absolute;
    left: 0;
}

/* About Section */
#about {
    background:
        radial-gradient(ellipse 700px 500px at 20% 80%, rgba(25, 212, 255, 0.08), transparent),
        var(--color-bg-alt);
    position: relative;
}

#about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

/* Contact Section */
#contact {
    background:
        radial-gradient(ellipse 800px 600px at 50% 50%, rgba(79, 211, 196, 0.1), transparent),
        var(--color-bg);
    position: relative;
}

#contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-wrapper {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: var(--spacing-lg);
    align-items: start;
}

.about-left {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.about-image {
    width: 250px;
    height: 250px;
    border-radius: 12px;
    overflow: hidden;
    border: 2px solid rgba(25, 212, 255, 0.3);
    box-shadow: 0 8px 24px rgba(25, 212, 255, 0.2);
    transition: all 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    cursor: pointer;
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    opacity: 0;
    transition: all 0.6s ease;
    z-index: 1;
    animation: rotateGradient 0s linear infinite paused;
}

@keyframes rotateGradient {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.about-image:hover {
    transform: translateY(-10px) scale(1.08) rotate(-3deg);
    border-color: var(--color-primary);
    box-shadow:
        0 0 40px rgba(25, 212, 255, 0.6),
        0 0 80px rgba(79, 211, 196, 0.4),
        0 20px 60px rgba(25, 212, 255, 0.3);
}

@keyframes imagePulse {
    0%, 100% {
        box-shadow:
            0 0 40px rgba(25, 212, 255, 0.6),
            0 0 80px rgba(79, 211, 196, 0.4),
            0 20px 60px rgba(25, 212, 255, 0.3);
    }
    50% {
        box-shadow:
            0 0 60px rgba(25, 212, 255, 0.8),
            0 0 100px rgba(79, 211, 196, 0.6),
            0 20px 80px rgba(25, 212, 255, 0.5);
    }
}

.about-image:hover::before {
    opacity: 1;
    animation: rotateGradient 3s linear infinite;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.5s ease;
    position: relative;
    z-index: 0;
}

.about-image:hover img {
    transform: scale(1.15);
}

.about-text-content {
    flex: 1;
}

.about-intro {
    font-size: 1.5rem;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
    font-weight: 500;
}

.about-intro .highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.about-text {
    font-size: 1.125rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.expertise-highlights {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-sm);
    margin-top: var(--spacing-lg);
}

.highlight-item {
    background: linear-gradient(135deg, rgba(25, 212, 255, 0.1), rgba(79, 211, 196, 0.1));
    padding: var(--spacing-md);
    border-radius: 12px;
    border: 1px solid rgba(25, 212, 255, 0.2);
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.highlight-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(25, 212, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.highlight-item:hover::before {
    left: 100%;
}

.highlight-item:hover {
    transform: translateY(-4px);
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(25, 212, 255, 0.3);
}

.highlight-number {
    font-size: 2rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xs);
}

.highlight-label {
    font-size: 0.875rem;
    color: var(--color-text-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

@media (max-width: 768px) {
    .about-wrapper {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .about-left {
        align-items: center;
    }

    .about-image {
        width: 200px;
        height: 200px;
        margin: 0 auto;
    }

    .linkedin-link {
        max-width: 250px;
    }

    .about-intro {
        font-size: 1.25rem;
        text-align: center;
    }

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

    .expertise-highlights {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }
}

.contact-info {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: var(--color-bg-card);
    border-radius: 12px;
    border: 1px solid rgba(0, 212, 255, 0.2);
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

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

.form-group label {
    font-weight: 500;
    color: var(--color-text);
}

.form-group input,
.form-group textarea {
    padding: 0.75rem;
    background: var(--color-bg);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    color: var(--color-text);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.3s ease;
}

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

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

.btn-submit {
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-family: inherit;
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-bg);
    box-shadow: 0 4px 20px var(--color-primary-glow);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px var(--color-primary-glow);
}

.btn-submit:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.form-success {
    padding: var(--spacing-sm);
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: 8px;
    color: var(--color-primary);
    text-align: center;
    margin-top: var(--spacing-sm);
}

/* Floating Battery Animation */
.hero-battery {
    width: 250px;
    margin: var(--spacing-md) auto var(--spacing-md) auto;
    animation: float var(--float-duration, 6s) ease-in-out infinite;
    animation-delay: var(--float-delay, 0s);
}

.hero-battery img {
    width: 100%;
    height: auto;
    filter: brightness(1.2) drop-shadow(0 0 40px rgba(0, 212, 255, 0.8)) drop-shadow(0 0 20px rgba(255, 255, 255, 0.5));
}

@keyframes float {
    0%, 100% { transform: translate3d(0, 0, 0) rotate(0deg); }
    45% { transform: translate3d(8px, -14px, 0) rotate(var(--float-tilt, 6deg)); }
    75% { transform: translate3d(-6px, -8px, 0) rotate(3deg); }
}

/* Social Links */
.social-links {
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: center;
    gap: var(--spacing-sm);
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--color-bg-card);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.social-link:hover {
    border-color: var(--color-primary);
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
}

.social-link svg {
    width: 20px;
    height: 20px;
    fill: var(--color-primary);
}

.linkedin-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    background: var(--color-bg-card);
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 8px;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    width: 100%;
    font-size: 0.9rem;
}

.linkedin-link:hover {
    border-color: var(--color-primary);
    background: rgba(0, 212, 255, 0.1);
    transform: translateY(-2px);
}

.linkedin-link svg {
    width: 18px;
    height: 18px;
    fill: var(--color-primary);
}

/* Footer */
footer {
    background: var(--color-bg);
    color: var(--color-text);
    padding: var(--spacing-lg) var(--spacing-md);
    text-align: center;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
}

footer .footer-content {
    max-width: var(--max-width);
    margin: 0 auto;
}

footer p {
    color: var(--color-text-light);
    margin: 0.5rem 0;
}

footer .company-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: calc(100% + 0.5rem);
        right: var(--spacing-md);
        width: max-content;
        max-width: calc(100vw - 2.25rem);
        flex-direction: column;
        gap: 0.5rem;
        padding: 0.75rem 1rem;
        background: rgba(12, 15, 24, 0.95);
        border: 1px solid rgba(25, 212, 255, 0.2);
        border-radius: 12px;
        box-shadow: 0 16px 40px rgba(0, 0, 0, 0.35);
        opacity: 0;
        pointer-events: none;
        transform: translateY(-8px);
        transition: opacity 0.3s ease, transform 0.3s ease;
        align-items: flex-end;
        text-align: right;
    }

    @supports (width: fit-content) {
        .nav-links {
            width: fit-content;
        }
    }

    nav.nav-open .nav-links {
        opacity: 1;
        pointer-events: auto;
        transform: translateY(0);
    }

    .nav-toggle {
        display: inline-flex;
    }

    section {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: var(--spacing-sm);
    }

    .nav-logo {
        font-size: 1.25rem;
    }

    .nav-links a {
        font-size: 0.95rem;
        letter-spacing: 0.02em;
    }

    .hero-battery {
        width: 180px;
        margin-top: var(--spacing-lg);
    }

    .social-links {
        flex-direction: column;
        align-items: stretch;
    }

    .social-link {
        width: 100%;
    }
}