/* Custom Properties */
:root {
    --primary: #8a2be2; /* Neon Purple */
    --secondary: #00d2ff; /* Neon Blue */
    --bg-color: #0a0a0a; /* Deep Black */
    --surface-color: rgba(255, 255, 255, 0.05);
    --surface-hover: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #a0a0a0;
    --border-color: rgba(255, 255, 255, 0.1);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    --transition: all 0.3s ease;
}

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

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

/* Base Styles */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.5rem 0;
    background: transparent;
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.navbar.scrolled {
    top: 15px;
    width: 90%;
    left: 5%;
    padding: 0.8rem 0;
    background: rgba(15, 15, 20, 0.7);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 50px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.6), inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 1.5rem;
}

.logo-link {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 40px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo-img:hover {
    transform: scale(1.05);
}

.nav-links {
    list-style: none;
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

.nav-links a {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.95);
    padding: 0.6rem 1.4rem;
    border-radius: 50px;
    transition: all 0.3s ease;
    letter-spacing: 0.3px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.6);
}

.nav-links a:hover {
    color: #ffffff;
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

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

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

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../assets/prof_hero_bg.png');
    background-size: cover;
    background-position: center;
    z-index: -2;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(10,10,10,0.5), rgba(10,10,10,1));
    z-index: -1;
}

.hero-content {
    max-width: 800px;
}

.hero-badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-body);
    font-size: 1rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(138, 43, 226, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(138, 43, 226, 0.6);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--surface-color);
    border-color: rgba(255,255,255,0.3);
}

.btn-block {
    width: 100%;
}

/* Services */
.services {
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.service-card:hover {
    transform: translateY(-10px);
    background: var(--surface-hover);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.icon-wrapper {
    width: 60px;
    height: 60px;
    background: rgba(138, 43, 226, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    color: var(--secondary);
}

.icon-wrapper svg {
    width: 30px;
    height: 30px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--text-secondary);
}

/* Contact */
.contact {
    padding: 6rem 0;
    position: relative;
    background: transparent;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../assets/prof_contact_bg.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.15;
    z-index: -1;
}

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

.contact-info h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info > p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
}

.contact-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-list li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    width: 48px;
    height: 48px;
    background: var(--surface-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    flex-shrink: 0;
}

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

.contact-list strong {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    font-family: var(--font-heading);
}

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

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

/* Form */
.contact-form-container {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: white;
    font-family: var(--font-body);
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.4);
}

.form-status {
    margin-top: 1rem;
    font-size: 0.9rem;
    text-align: center;
    display: none;
    padding: 1rem;
    border-radius: 8px;
}
.form-status.success {
    display: block;
    background: rgba(37, 211, 102, 0.1);
    color: #25D366;
    border: 1px solid rgba(37, 211, 102, 0.2);
}

/* Footer */
footer {
    padding: 4rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 2rem;
    margin-bottom: 3rem;
}

.footer-logo {
    height: 40px;
    width: auto;
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--text-secondary);
    max-width: 300px;
}

.footer-links h3, .footer-social h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
}

.footer-links a, .footer-social a {
    display: block;
    color: var(--text-secondary);
    margin-bottom: 0.75rem;
}

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

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.05);
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Floating Action Button */
.fab {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366; /* WhatsApp Green */
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
}

.fab:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.fab svg {
    width: 30px;
    height: 30px;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* Responsive - Tablet (max 992px) */
@media (max-width: 992px) {
    .hero h1 { font-size: 3.5rem; }
    .services, .contact { padding: 4rem 0; }
    .nav-links a { padding: 0.5rem 1rem; font-size: 0.9rem; }
    .footer-content { grid-template-columns: 1fr 1fr; }
}

/* Responsive - Mobile (max 768px) */
@media (max-width: 768px) {
    .navbar.scrolled {
        width: 96%;
        left: 2%;
        top: 10px;
    }
    .hero h1 { font-size: 2.8rem; }
    .hero p { font-size: 1.1rem; }
    .contact-wrapper { grid-template-columns: 1fr; gap: 2rem; }
    .footer-content { grid-template-columns: 1fr; text-align: center; gap: 1.5rem; }
    .footer-brand p { margin: 0 auto; }
    .hero-buttons { flex-direction: column; width: 100%; }
    .hero-buttons .btn { width: 100%; }
    .nav-links { display: none; } /* Mobile menu simplified */
    .nav-actions { margin-left: auto; }
    .nav-actions .btn { padding: 0.5rem 1rem; font-size: 0.85rem; }
    .section-header h2 { font-size: 2.2rem; }
    .services-grid { grid-template-columns: 1fr; }
}

/* Responsive - Small Mobile (max 480px) */
@media (max-width: 480px) {
    .hero h1 { font-size: 2.2rem; }
    .service-card { padding: 1.5rem; }
    .contact-info h3 { font-size: 1.6rem; }
    .contact-form-container { padding: 1.5rem; }
    .nav-container { padding: 0 1rem; }
    .logo-img, .footer-logo { height: 32px; }
}