/* CSS Variables */
:root {
    --bg-primary: #0a1628;
    --bg-secondary: #1a2744;
    --bg-content: #2a3447;
    --bg-card: #343d4f;
    --text-primary: #ffffff;
    --text-secondary: #b8c5d6;
    --text-muted: #8899aa;
    --accent-primary: #00b4d8;
    --accent-secondary: #0077b6;
    --accent-hover: #48cae4;
    --success: #22c55e;
    --warning: #f59e0b;
    --error: #ef4444;
    --viber: #7360f2;
    --whatsapp: #25d366;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.4);
    --radius: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s ease;
}

/* Light Theme */
[data-theme="light"] {
    --bg-primary: #e8f4f8;
    --bg-secondary: #d1e9f0;
    --bg-content: #ffffff;
    --bg-card: #f5f9fb;
    --text-primary: #1a2744;
    --text-secondary: #4a5568;
    --text-muted: #718096;
    --accent-primary: #0077b6;
    --accent-secondary: #00b4d8;
    --accent-hover: #005f92;
    --shadow: 0 4px 20px rgba(0, 119, 182, 0.15);
    --shadow-lg: 0 8px 40px rgba(0, 119, 182, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Water Droplet Animation */
.droplet-animation {
    position: fixed;
    bottom: 50px;
    right: 50px;
    z-index: 1;
    pointer-events: none;
    opacity: 0.4;
}

.pipe {
    width: 30px;
    height: 60px;
    background: linear-gradient(90deg, #5a6675, #8899aa, #5a6675);
    border-radius: 5px 5px 0 0;
    position: relative;
}

.pipe-end {
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 15px;
    background: linear-gradient(90deg, #4a5665, #7788aa, #4a5665);
    border-radius: 0 0 8px 8px;
}

.droplet {
    width: 12px;
    height: 18px;
    background: linear-gradient(180deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50% 50% 50% 50% / 30% 30% 70% 70%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 65px;
    animation: drip 3s infinite;
    opacity: 0;
}

.splash {
    position: absolute;
    top: 130px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 4px;
    opacity: 0;
}

.splash-drop {
    width: 6px;
    height: 6px;
    background: var(--accent-primary);
    border-radius: 50%;
    animation: splash 3s infinite;
}

.splash-drop:nth-child(1) { animation-delay: 1.5s; transform: translateY(0) translateX(-10px); }
.splash-drop:nth-child(2) { animation-delay: 1.55s; }
.splash-drop:nth-child(3) { animation-delay: 1.5s; transform: translateY(0) translateX(10px); }

.wrench {
    position: absolute;
    top: 80px;
    right: -40px;
    font-size: 24px;
    color: var(--accent-primary);
    animation: wrenchFix 3s infinite;
    opacity: 0;
}

@keyframes drip {
    0%, 40% { top: 65px; opacity: 0; }
    45% { opacity: 1; }
    50% { top: 65px; opacity: 1; }
    70% { top: 125px; opacity: 1; }
    71% { opacity: 0; }
    100% { opacity: 0; }
}

@keyframes splash {
    0%, 49% { opacity: 0; transform: scale(0); }
    50% { opacity: 1; transform: scale(1); }
    60% { opacity: 1; transform: scale(1.2) translateY(-10px); }
    70% { opacity: 0; transform: scale(0.5) translateY(-20px); }
    100% { opacity: 0; }
}

@keyframes wrenchFix {
    0%, 70% { opacity: 0; transform: rotate(0deg); }
    75% { opacity: 1; transform: rotate(-20deg); }
    80% { transform: rotate(20deg); }
    85% { transform: rotate(-20deg); }
    90% { transform: rotate(20deg); }
    95% { opacity: 1; transform: rotate(0deg); }
    100% { opacity: 0; }
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: var(--bg-secondary);
    box-shadow: var(--shadow);
}

.header-top {
    background: var(--bg-content);
    padding: 10px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.header-top .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}

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

.contact-info .phone {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
}

.contact-info .phone:hover {
    color: var(--accent-hover);
}

.contact-info .address {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 12px;
}

.theme-toggle,
.lang-switch {
    background: var(--bg-card);
    border: 2px solid var(--accent-primary);
    color: var(--accent-primary);
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 6px;
}

.theme-toggle:hover,
.lang-switch:hover {
    background: var(--accent-primary);
    color: var(--bg-primary);
}

/* Navbar */
.navbar {
    padding: 15px 0;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-family: 'Montserrat', sans-serif;
    font-size: 1.8rem;
    font-weight: 700;
}

.logo i {
    color: var(--accent-primary);
    font-size: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 30px;
}

.nav-menu a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    position: relative;
    padding: 5px 0;
}

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

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

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.5rem;
    cursor: pointer;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    padding-top: 140px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%2300b4d8' fill-opacity='0.05'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    opacity: 0.5;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.hero h1 {
    font-family: 'Montserrat', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: linear-gradient(135deg, var(--text-primary), var(--accent-primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.3rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 15px 35px;
    border-radius: var(--radius);
    text-decoration: none;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    box-shadow: 0 4px 15px rgba(0, 180, 216, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 180, 216, 0.5);
}

/* Sections */
.section {
    padding: 100px 0;
}

.section-title {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 60px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    margin: 20px auto 0;
    border-radius: 2px;
}

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

.about-content {
    display: grid;
    gap: 50px;
}

.about-text {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-text strong {
    color: var(--accent-primary);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
}

.feature {
    background: var(--bg-card);
    padding: 30px;
    border-radius: var(--radius);
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(0, 180, 216, 0.1);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
    border-color: var(--accent-primary);
}

.feature i {
    font-size: 2.5rem;
    color: var(--accent-primary);
    margin-bottom: 15px;
}

.feature h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.feature p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Projects Section */
.projects {
    background: var(--bg-secondary);
}

.project-categories {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 50px;
}

.project-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 25px;
    background: var(--bg-content);
    border: 2px solid transparent;
    border-radius: var(--radius);
    color: var(--text-secondary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.project-btn:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
}

.project-btn.active {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: white;
    border-color: transparent;
}

.project-btn i {
    font-size: 1.2rem;
}

.project-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 25px;
    min-height: 200px;
}

.project-item {
    background: var(--bg-content);
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.project-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.project-image-wrapper {
    overflow: hidden;
    height: 220px;
}

.project-item img {
    width: 100%;
    height: 220px;
    object-fit: cover;
    transition: var(--transition);
}

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

.project-item .project-info {
    padding: 20px;
}

.project-item h4 {
    color: var(--text-primary);
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.project-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.loading-message {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    padding: 40px;
}

.no-projects {
    grid-column: 1 / -1;
    text-align: center;
    color: var(--text-muted);
    padding: 60px 20px;
    background: var(--bg-content);
    border-radius: var(--radius);
}

.no-projects i {
    font-size: 3rem;
    color: var(--accent-primary);
    margin-bottom: 20px;
    opacity: 0.5;
}

/* Reviews Section */
.reviews {
    background: var(--bg-content);
}

.google-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 40px;
    color: var(--text-muted);
    font-size: 0.95rem;
}

.google-badge i {
    font-size: 1.5rem;
    color: #4285f4;
}

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
}

.review-card {
    background: var(--bg-card);
    padding: 25px;
    border-radius: var(--radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.review-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.review-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 15px;
}

.reviewer-avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: 700;
    font-size: 1rem;
}

.reviewer-info h4 {
    color: var(--text-primary);
    font-size: 1rem;
    margin-bottom: 5px;
}

.stars {
    color: #fbbf24;
    font-size: 0.9rem;
}

.review-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    font-style: italic;
}

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

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 40px;
}

.contact-info-box {
    background: var(--bg-content);
    padding: 40px;
    border-radius: var(--radius);
}

.contact-info-box h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.contact-info-box > p {
    color: var(--text-secondary);
    margin-bottom: 25px;
}

.messenger-buttons {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
}

.messenger-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 15px 25px;
    border-radius: var(--radius);
    text-decoration: none;
    color: white;
    font-weight: 600;
    transition: var(--transition);
}

.messenger-btn.viber {
    background: var(--viber);
}

.messenger-btn.whatsapp {
    background: var(--whatsapp);
}

.messenger-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.messenger-btn i {
    font-size: 1.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-secondary);
}

.contact-item i {
    color: var(--accent-primary);
    font-size: 1.2rem;
    width: 25px;
}

.contact-form-box {
    background: var(--bg-content);
    padding: 40px;
    border-radius: var(--radius);
    position: relative;
}

.contact-form {
    display: grid;
    gap: 20px;
}

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

.form-group label {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 15px;
    background: var(--bg-card);
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    justify-content: center;
}

.form-success {
    position: absolute;
    inset: 0;
    background: var(--bg-content);
    border-radius: var(--radius);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px;
}

.form-success.show {
    display: flex;
    animation: fadeIn 0.5s ease;
}

.form-success i {
    font-size: 4rem;
    color: var(--success);
    margin-bottom: 20px;
}

.form-success h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--text-primary);
}

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

@keyframes fadeIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

/* Footer */
.footer {
    background: var(--bg-content);
    padding: 40px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Montserrat', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-logo i {
    color: var(--accent-primary);
}

.footer p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-card);
    border-radius: 50%;
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--accent-primary);
    color: white;
}

/* Mobile Responsive */
@media (max-width: 992px) {
    .contact-wrapper {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-top .container {
        flex-direction: column;
        text-align: center;
    }

    .contact-info {
        flex-direction: column;
        gap: 10px;
    }

    .mobile-menu-btn {
        display: block;
    }

    .nav-menu {
        position: fixed;
        top: 140px;
        left: 0;
        right: 0;
        background: var(--bg-secondary);
        flex-direction: column;
        padding: 20px;
        gap: 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .nav-menu li {
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .nav-menu a {
        display: block;
        padding: 15px 0;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero p {
        font-size: 1.1rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .project-categories {
        flex-direction: column;
    }

    .project-btn {
        width: 100%;
        justify-content: center;
    }

    .messenger-buttons {
        flex-direction: column;
    }

    .droplet-animation {
        transform: scale(0.7);
        right: 20px;
        bottom: 20px;
    }
}

@media (max-width: 480px) {
    .hero {
        padding-top: 160px;
    }

    .hero h1 {
        font-size: 1.6rem;
    }

    .btn {
        padding: 12px 25px;
        font-size: 0.95rem;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

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

    .contact-info-box,
    .contact-form-box {
        padding: 25px;
    }
}