/* --- CSS Variables & Reset --- */
:root {
    --bg-color-light: #f8fafc;
    --bg-secondary-light: #ffffff;
    --text-main-light: #0f172a;
    --text-muted-light: #475569;
    --border-light: #e2e8f0;
    --card-bg-light: #ffffff;
    --shadow-light: 0 10px 30px rgba(0, 0, 0, 0.1);
    
    --bg-color-dark: #0f172a;
    --bg-secondary-dark: #1e293b;
    --text-main-dark: #f8fafc;
    --text-muted-dark: #94a3b8;
    --border-dark: rgba(255, 255, 255, 0.05);
    --card-bg-dark: rgba(255, 255, 255, 0.03);
    --shadow-dark: 0 20px 40px rgba(0, 0, 0, 0.3);
    
    --accent-color: #3b82f6;
    --accent-glow: #60a5fa;
    --gradient: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    --font-main: 'Outfit', sans-serif;
    --transition: all 0.3s ease;
    --border-radius: 20px;
}

body.dark-mode {
    --bg-color: var(--bg-color-dark);
    --bg-secondary: var(--bg-secondary-dark);
    --text-main: var(--text-main-dark);
    --text-muted: var(--text-muted-dark);
    --border: var(--border-dark);
    --card-bg: var(--card-bg-dark);
    --shadow: var(--shadow-dark);
}

body:not(.dark-mode) {
    --bg-color: var(--bg-color-light);
    --bg-secondary: var(--bg-secondary-light);
    --text-main: var(--text-main-light);
    --text-muted: var(--text-muted-light);
    --border: var(--border-light);
    --card-bg: var(--card-bg-light);
    --shadow: var(--shadow-light);
}

* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-main);
    background-color: var(--bg-color);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.3s ease, color 0.3s ease;
}
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; display: block; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
.section { padding: 100px 0; }

/* Admin Link */
.admin-link {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: var(--accent-color);
    color: white;
    padding: 12px 20px;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
    transition: var(--transition);
}
.admin-link:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(59, 130, 246, 0.6); }

/* Theme Toggle */
.theme-toggle {
    position: fixed;
    top: 100px;
    right: 20px;
    z-index: 1001;
    width: 60px;
    height: 30px;
    background: var(--bg-secondary);
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 5px;
    cursor: pointer;
    box-shadow: var(--shadow);
    border: 1px solid var(--border);
}
.theme-toggle i { font-size: 16px; z-index: 2; color: var(--text-muted); }
.theme-toggle .fa-sun { color: #fbbf24; }
.theme-toggle .fa-moon { color: #60a5fa; }
.theme-toggle .toggle-ball {
    position: absolute;
    width: 24px;
    height: 24px;
    background: var(--accent-color);
    border-radius: 50%;
    transition: transform 0.3s ease;
    z-index: 1;
    left: 3px;
}
body.dark-mode .toggle-ball { transform: translateX(30px); }

/* Loading & No Results */
.loading-text { text-align: center; padding: 60px; color: var(--text-muted); font-size: 1.2rem; }
.loading-text i { margin-right: 10px; color: var(--accent-color); }
.no-results { text-align: center; padding: 60px; color: var(--text-muted); }
.no-results i { font-size: 4rem; margin-bottom: 20px; opacity: 0.5; }

/* Typography */
.section-header { text-align: center; margin-bottom: 60px; }
.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
    position: relative;
    display: inline-block;
}
.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}
.section-subtitle { color: var(--text-muted); font-size: 1.1rem; }
.gradient-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}
.btn-primary {
    background: var(--gradient);
    color: white;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 25px rgba(59, 130, 246, 0.6); }
.btn-whatsapp {
    background-color: #25D366;
    color: white;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.btn-whatsapp:hover { background-color: #1EBE57; transform: translateY(-3px); color: white; }
.btn-large { padding: 15px 40px; font-size: 1.2rem; }

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    transition: var(--transition);
    background: rgba(248, 250, 252, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-light);
}
body.dark-mode .navbar { background: rgba(15, 23, 42, 0.95); border-bottom-color: var(--border-dark); }
body:not(.dark-mode) .navbar { background: rgba(255, 255, 255, 0.95); }
.navbar.scrolled { padding: 15px 0; box-shadow: var(--shadow); }
.navbar .container { display: flex; justify-content: space-between; align-items: center; }
.logo { font-size: 1.8rem; font-weight: 800; color: var(--text-main); letter-spacing: -1px; }
.logo span { color: var(--accent-color); }
.nav-links { display: flex; gap: 30px; align-items: center; }
.nav-links a {
    color: var(--text-muted);
    font-weight: 500;
    transition: var(--transition);
    position: relative;
}
.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: var(--transition);
}
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a:hover, .nav-links a.active { color: var(--accent-color); }
.btn-nav {
    border: 1px solid var(--accent-color);
    padding: 8px 20px;
    border-radius: 30px;
    color: var(--accent-color) !important;
}
.btn-nav:hover { background: var(--accent-color); color: white !important; }
.btn-nav::after { display: none; }
.hamburger { display: none; font-size: 1.5rem; cursor: pointer; color: var(--text-main); }

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}
.hero-content { max-width: 800px; z-index: 2; }
.badge {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-color);
    padding: 8px 20px;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 25px;
    border: 1px solid rgba(59, 130, 246, 0.2);
    backdrop-filter: blur(5px);
}
.hero h1 { font-size: 3.8rem; line-height: 1.2; margin-bottom: 20px; font-weight: 800; }
.hero p { font-size: 1.2rem; color: var(--text-muted); margin-bottom: 40px; max-width: 600px; }
.hero-btns { display: flex; gap: 15px; }

/* Background Animation */
.hero-bg-elements .circle {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 1;
    opacity: 0.4;
    animation: float 10s infinite ease-in-out;
}
.c1 { width: 400px; height: 400px; background: var(--accent-color); top: -100px; right: -100px; animation-delay: 0s; }
.c2 { width: 300px; height: 300px; background: #8b5cf6; bottom: 100px; left: -100px; animation-delay: 2s; }
.c3 { width: 200px; height: 200px; background: #ec4899; bottom: 200px; right: 200px; animation-delay: 4s; }
@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); }
    50% { transform: translateY(-30px) scale(1.1); }
}

/* About Section */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.about-img { position: relative; }
.img-frame {
    position: relative;
    border-radius: 30px;
    overflow: hidden;
    box-shadow: var(--shadow);
}
.img-frame::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent 30%, rgba(255, 255, 255, 0.1) 50%, transparent 70%);
    animation: shine 3s infinite;
}
@keyframes shine {
    0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); }
    100% { transform: translateX(100%) translateY(100%) rotate(45deg); }
}
.about-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.about-img:hover img { transform: scale(1.05); }
.about-text h3 { font-size: 2rem; margin-bottom: 20px; }
.about-text p { color: var(--text-muted); margin-bottom: 20px; }
.personal-info { display: grid; grid-template-columns: 1fr 1fr; gap: 15px; margin: 30px 0; }
.personal-info .info-item { display: flex; align-items: center; gap: 10px; color: var(--text-muted); }
.personal-info .info-item i { color: var(--accent-color); font-size: 1.2rem; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 30px; }
.stat-item {
    text-align: center;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 15px;
    border: 1px solid var(--border);
}
.stat-item h4 { font-size: 2.2rem; color: var(--accent-color); font-weight: 700; }
.stat-item p { color: var(--text-muted); font-size: 0.9rem; margin: 0; }

/* Services Section */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.service-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient);
    opacity: 0;
    transition: var(--transition);
    z-index: 1;
}
.service-card:hover::before { opacity: 0.05; }
.service-card:hover { transform: translateY(-10px); border-color: var(--accent-color); box-shadow: var(--shadow); }
.icon-box {
    width: 70px;
    height: 70px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: var(--accent-color);
    margin-bottom: 25px;
    transition: var(--transition);
}
.service-card:hover .icon-box { background: var(--accent-color); color: white; transform: scale(1.1) rotate(5deg); }
.service-card h3 { font-size: 1.5rem; margin-bottom: 15px; }
.service-card p { color: var(--text-muted); font-size: 1rem; margin-bottom: 20px; }
.service-hover {
    position: absolute;
    bottom: -50px;
    left: 0;
    width: 100%;
    padding: 15px;
    background: var(--gradient);
    color: white;
    text-align: center;
    transition: var(--transition);
    opacity: 0;
}
.service-card:hover .service-hover { bottom: 0; opacity: 1; }

/* Portfolio Section */
.portfolio-filters { display: flex; justify-content: center; gap: 15px; margin-bottom: 40px; flex-wrap: wrap; }
.filter-btn {
    padding: 8px 25px;
    border: 1px solid var(--border);
    background: transparent;
    color: var(--text-muted);
    border-radius: 30px;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.95rem;
}
.filter-btn:hover, .filter-btn.active { background: var(--accent-color); color: white; border-color: var(--accent-color); }
.portfolio-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(350px, 1fr)); gap: 25px; }
.portfolio-item {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    height: 300px;
    box-shadow: var(--shadow);
}
.portfolio-item img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.portfolio-item:hover img { transform: scale(1.1); }
.overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    opacity: 0;
    transition: var(--transition);
}
.portfolio-item:hover .overlay { opacity: 1; }
.overlay h3 { font-size: 1.5rem; color: white; margin-bottom: 5px; transform: translateY(20px); transition: transform 0.3s ease 0.1s; }
.overlay p { color: var(--accent-color); font-weight: 600; transform: translateY(20px); transition: transform 0.3s ease 0.2s; }
.portfolio-item:hover .overlay h3, .portfolio-item:hover .overlay p { transform: translateY(0); }
.overlay-links { margin-top: 15px; transform: translateY(20px); transition: transform 0.3s ease 0.3s; }
.portfolio-item:hover .overlay-links { transform: translateY(0); }
.overlay-links a {
    display: inline-block;
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: white;
    transition: var(--transition);
}
.overlay-links a:hover { background: var(--accent-color); transform: scale(1.1); }

/* Features Section */
.features-section { background: var(--bg-secondary); }
.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; text-align: center; }
.feature-item {
    padding: 30px;
    border-radius: var(--border-radius);
    background: var(--card-bg);
    border: 1px solid var(--border);
    transition: var(--transition);
}
.feature-item:hover { transform: translateY(-10px); box-shadow: var(--shadow); border-color: var(--accent-color); }
.feature-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--accent-color);
    transition: var(--transition);
}
.feature-item:hover .feature-icon { background: var(--accent-color); color: white; transform: rotateY(180deg); }
.feature-item h3 { margin-bottom: 10px; font-size: 1.3rem; }
.feature-item p { color: var(--text-muted); font-size: 0.95rem; }

/* Testimonials */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
.testimonial-card {
    background: var(--card-bg);
    padding: 30px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
    transition: var(--transition);
}
.testimonial-card:hover { transform: translateY(-10px); box-shadow: var(--shadow); border-color: var(--accent-color); }
.stars { color: #fbbf24; margin-bottom: 20px; }
.stars i { margin-right: 2px; }
.testimonial-card p { color: var(--text-muted); font-style: italic; margin-bottom: 25px; font-size: 1.1rem; line-height: 1.6; }
.client-info h4 { color: var(--text-main); font-size: 1.1rem; margin-bottom: 5px; }
.client-info span { color: var(--accent-color); font-size: 0.9rem; }

/* CTA Section */
.cta-section {
    background: var(--gradient);
    text-align: center;
    padding: 80px 20px;
    border-radius: 30px;
    margin: 50px auto;
    max-width: 1100px;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
}
@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
.cta-section h2 { font-size: 2.5rem; margin-bottom: 15px; color: white; position: relative; z-index: 2; }
.cta-section p { margin-bottom: 30px; opacity: 0.9; color: white; font-size: 1.2rem; position: relative; z-index: 2; }
.cta-section .btn-whatsapp { background: white; color: var(--accent-color); position: relative; z-index: 2; }
.cta-section .btn-whatsapp:hover { background: #f0f0f0; transform: translateY(-5px); box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2); }

/* Contact Section */
.contact-wrapper { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; }
.contact-info {
    padding: 40px;
    background: var(--card-bg);
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
}
.contact-info h3 { font-size: 2rem; margin-bottom: 15px; }
.contact-info > p { color: var(--text-muted); margin-bottom: 30px; }
.contact-info .info-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 25px;
    padding: 15px;
    background: var(--bg-color);
    border-radius: 15px;
    transition: var(--transition);
}
.contact-info .info-item:hover { transform: translateX(10px); background: var(--accent-color); }
.contact-info .info-item:hover i, .contact-info .info-item:hover a, .contact-info .info-item:hover h4 { color: white; }
.contact-info .info-item .icon {
    width: 50px;
    height: 50px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    color: var(--accent-color);
    transition: var(--transition);
}
.contact-info .info-item:hover .icon { background: rgba(255, 255, 255, 0.2); }
.contact-info .info-item h4 { font-size: 1rem; margin-bottom: 5px; }
.contact-info .info-item a { color: var(--text-muted); transition: var(--transition); }
.contact-info .info-item:hover a { color: white; }
.contact-form {
    background: var(--card-bg);
    padding: 40px;
    border-radius: var(--border-radius);
    border: 1px solid var(--border);
}
.form-group { margin-bottom: 20px; }
.form-group input, .form-group textarea {
    width: 100%;
    padding: 15px 20px;
    background: var(--bg-color);
    border: 1px solid var(--border);
    border-radius: 12px;
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: var(--transition);
}
.form-group input:focus, .form-group textarea:focus { border-color: var(--accent-color); box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1); }
.form-group textarea { resize: vertical; min-height: 120px; }
.contact-form button { width: 100%; padding: 15px; font-size: 1.1rem; display: flex; align-items: center; justify-content: center; gap: 10px; }

/* Footer */
footer {
    background: var(--bg-secondary);
    padding: 60px 0 30px;
    border-top: 1px solid var(--border);
}
.footer-content { text-align: center; margin-bottom: 30px; }
.footer-content .logo { display: inline-block; margin-bottom: 15px; }
.footer-content p { color: var(--text-muted); margin-bottom: 25px; }
.social-links { display: flex; justify-content: center; gap: 15px; }
.social-links a {
    width: 45px;
    height: 45px;
    background: var(--card-bg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
    color: var(--text-muted);
}
.social-links a:hover { background: var(--accent-color); color: white; transform: translateY(-5px); }
.copyright { text-align: center; color: var(--text-muted); font-size: 0.95rem; padding-top: 30px; border-top: 1px solid var(--border); }

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    justify-content: center;
    align-items: center;
}
.lightbox-content { max-width: 90%; max-height: 90%; border-radius: 10px; box-shadow: 0 0 50px rgba(0, 0, 0, 0.5); object-fit: contain; }
.close-lightbox {
    position: absolute;
    top: 30px;
    right: 40px;
    color: white;
    font-size: 50px;
    font-weight: 300;
    cursor: pointer;
    transition: var(--transition);
    z-index: 2001;
}
.close-lightbox:hover { color: var(--accent-color); transform: rotate(90deg); }
.prev, .next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    color: white;
    font-size: 40px;
    font-weight: 300;
    cursor: pointer;
    padding: 20px;
    transition: var(--transition);
    user-select: none;
}
.prev:hover, .next:hover { color: var(--accent-color); }
.prev { left: 20px; }
.next { right: 20px; }

/* Responsive */
@media (max-width: 992px) {
    .hero h1 { font-size: 3rem; }
    .section-title { font-size: 2rem; }
    .about-grid, .contact-wrapper { grid-template-columns: 1fr; gap: 40px; }
    .about-img { max-width: 500px; margin: 0 auto; }
}
@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 30px;
        transition: left 0.3s ease;
        box-shadow: var(--shadow);
        border-bottom: 1px solid var(--border);
        z-index: 999;
    }
    .nav-links.active { left: 0; }
    .hamburger { display: block; }
    .hero h1 { font-size: 2.5rem; }
    .hero-btns { flex-direction: column; }
    .hero-btns .btn { width: 100%; text-align: center; }
    .stats { grid-template-columns: 1fr; }
    .personal-info { grid-template-columns: 1fr; }
    .section { padding: 60px 0; }
    .theme-toggle { top: 80px; }
    .admin-link { bottom: 10px; right: 10px; padding: 8px 15px; font-size: 0.8rem; }
}
@media (max-width: 480px) {
    .hero h1 { font-size: 2rem; }
    .section-title { font-size: 1.8rem; }
    .portfolio-grid { grid-template-columns: 1fr; }
    .portfolio-item { height: 250px; }
    .contact-info, .contact-form { padding: 25px; }
}