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

:root {
    --primary: #FF8C42;
    --dark: #1a1a1a;
    --light: #f8f9fa;
    --gray: #6c757d;
    --accent: #4A5568;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark);
}

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

/* Header */
header {
    background: linear-gradient(135deg, var(--dark) 0%, #2d2d2d 100%);
    color: white;
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.3);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 15px;
}

.logo-img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 2px solid var(--primary);
}

.logo-text h1 {
    font-size: 1.5rem;
    color: white;
}

.logo-text p {
    font-size: 0.8rem;
    color: var(--primary);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    justify-content: flex-end;
    align-items: center;
    margin-left: auto;
}

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

.company-name {
    font-size: 1.5rem;
    white-space: nowrap;
}

nav a {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: color 0.3s;
    white-space: nowrap;
}

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

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--accent) 100%);
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero p {
    font-size: 1.3rem;
    margin-bottom: 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    padding: 15px 35px;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all 0.3s;
    text-decoration: none;
    display: inline-block;
    font-weight: 600;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 5px 15px rgba(255, 140, 66, 0.4);
}

.btn-primary:hover {
    background: #ff7a2e;
    transform: translateY(-2px);
}

.btn-secondary {
    background: white;
    color: var(--dark);
}

.btn-secondary:hover {
    background: var(--light);
    transform: translateY(-2px);
}

.btn-large {
    padding: 20px 50px;
    font-size: 1.3rem;
}

/* About */
.about {
    padding: 80px 0;
    background: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-text h3 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.about-text h3 span {
    color: var(--primary);
}

.about-text p {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 1.5rem;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.feature-box {
    padding: 20px;
    background: var(--light);
    border-radius: 10px;
    border-left: 4px solid var(--primary);
    transition: transform 0.3s;
}

.feature-box:hover {
    transform: translateX(5px);
}

.feature-box h4 {
    margin-bottom: 5px;
}

.feature-box p {
    font-size: 0.9rem;
    margin: 0;
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background: var(--light);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8rem;
    color: var(--primary);
}

/* Services */
.services {
    padding: 80px 0;
    background: var(--light);
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-header h3 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

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

.price-note {
    background: #fff3cd;
    border-left: 4px solid var(--primary);
    padding: 15px 20px;
    margin: 0 auto 40px;
    max-width: 800px;
    border-radius: 8px;
}

.price-note strong {
    color: var(--primary);
}

.price-note a {
    color: var(--primary);
    font-weight: 600;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: white;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s;
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.15);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.service-card h4 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.service-card p {
    color: var(--gray);
    margin-bottom: 15px;
}

.service-price {
    font-size: 1.3rem;
    color: var(--primary);
    font-weight: bold;
    margin: 15px 0;
}

.service-card .btn {
    width: 100%;
    margin-top: 10px;
}

.service-details {
    display: none;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--light);
}

.service-details.active {
    display: block;
}

.service-details ul {
    list-style: none;
    padding: 0;
}

.service-details li {
    padding: 8px 0;
    color: var(--gray);
}

.service-details li::before {
    content: "✓ ";
    color: var(--primary);
    font-weight: bold;
    margin-right: 8px;
}


/* Contact */
.contact {
    padding: 80px 0;
    background: var(--light);
}

/* Problems Section */
.problems-section {
    padding: 80px 0;
    background: white;
}

.problems-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 25px;
    margin-bottom: 60px;
}

.problem-card {
    background: var(--light);
    padding: 25px;
    border-radius: 15px;
    border-left: 4px solid var(--primary);
    transition: all 0.3s;
    position: relative;
}

.problem-card:hover {
    transform: translateX(8px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    background: white;
}

.problem-icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
    display: block;
}

.problem-card h4 {
    color: var(--primary);
    font-size: 1.2rem;
    margin-bottom: 10px;
}

.problem-card p {
    color: var(--gray);
    line-height: 1.6;
    font-size: 0.95rem;
}

.problems-cta {
    background: linear-gradient(135deg, var(--dark) 0%, var(--accent) 100%);
    color: white;
    padding: 60px 40px;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
}

.problems-cta h3 {
    font-size: 2.2rem;
    margin-bottom: 15px;
}

.problems-cta p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.problems-cta .btn {
    margin-bottom: 25px;
}

.cta-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    font-size: 1rem;
    font-weight: 600;
}

.cta-features span {
    display: inline-block;
}

/* Contact */
.contact {
    padding: 80px 0;
    background: var(--light);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 25px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: white;
    border-radius: 15px;
    transition: all 0.3s;
}

.contact-item:hover {
    transform: translateX(10px);
}

.contact-icon {
    font-size: 2rem;
    color: var(--primary);
}

.contact-details h4 {
    margin-bottom: 5px;
}

.contact-details p {
    color: var(--gray);
    margin: 0;
}

.contact-details a {
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 15px;
}

.contact-form h4 {
    margin-bottom: 20px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 8px;
    font-size: 1rem;
}

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

.form-group input[type="file"] {
    padding: 10px;
}

.contact-form .btn {
    width: 100%;
}

/* Chat Widget */
.chat-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 80px;
    height: 80px;
    cursor: pointer;
    transition: all 0.3s;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 5px;
}

.chat-float img {
    width: 80px;
    height: 80px;
    display: block;
    filter: drop-shadow(0 5px 20px rgba(0, 0, 0, 0.3));
}

.chat-float span {
    color: var(--primary);
    font-weight: bold;
    font-size: 1rem;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.chat-float:hover {
    transform: scale(1.1);
}

.chat-widget {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 380px;
    height: 550px;
    background: white;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.2);
    z-index: 10000;
    display: none;
    flex-direction: column;
    overflow: hidden;
}

.chat-widget.active {
    display: flex;
}

.chat-header {
    background: linear-gradient(135deg, var(--dark) 0%, var(--accent) 100%);
    color: white;
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.chat-header h4 {
    margin: 0;
}

.chat-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    transition: background 0.3s;
}

.chat-close:hover {
    background: rgba(255,255,255,0.2);
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    background: #f8f9fa;
}

.message {
    margin-bottom: 15px;
    padding: 12px 16px;
    border-radius: 15px;
    max-width: 85%;
}

.bot-message {
    background: white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    margin-right: auto;
}

.bot-message ul {
    margin: 10px 0;
    padding-left: 20px;
}

.user-message {
    background: var(--primary);
    color: white;
    margin-left: auto;
}

.chat-input-container {
    padding: 15px;
    background: white;
    border-top: 1px solid #e0e0e0;
    display: flex;
    gap: 10px;
}

.chat-input {
    flex: 1;
    padding: 12px;
    border: 2px solid #ddd;
    border-radius: 25px;
}

.chat-input:focus {
    outline: none;
    border-color: var(--primary);
}

.chat-send {
    padding: 12px 24px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 25px;
    cursor: pointer;
    font-weight: 600;
    transition: background 0.3s;
}

.chat-send:hover {
    background: #ff7a2e;
}

/* Footer */
footer {
    background: var(--dark);
    color: white;
    padding: 40px 0 20px;
    text-align: center;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 30px;
    text-align: left;
}

.footer-section h4 {
    margin-bottom: 20px;
    color: var(--primary);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 10px;
}

.footer-section a {
    color: #ccc;
    text-decoration: none;
    transition: color 0.3s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 20px;
    margin-top: 30px;
}

/* Responsive */
@media (max-width: 768px) {
    .hero h2 {
        font-size: 2rem;
    }

    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
    }

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

    nav {
        flex-direction: column;
        gap: 15px;
        align-items: center;
    }

    .logo-container {
        flex-direction: column;
        text-align: center;
    }

    .company-name {
        font-size: clamp(1rem, 5vw, 1.5rem);
        white-space: normal;
        line-height: 1.2;
    }

    nav ul,
    .main-nav {
        width: 100%;
        gap: 0;
        justify-content: space-evenly;
        flex-wrap: nowrap;
    }

    nav li {
        flex: 1;
        text-align: center;
    }

    nav a {
        font-size: 0.85rem;
        padding: 10px 5px;
        display: block;
    }

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

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

    .problems-cta {
        padding: 40px 25px;
    }

    .problems-cta h3 {
        font-size: 1.8rem;
    }

    .cta-features {
        gap: 15px;
        font-size: 0.9rem;
    }

    .chat-widget {
        width: calc(100% - 40px);
        right: 20px;
        left: 20px;
    }

    .chat-float {
        width: 70px;
        height: 70px;
    }

    .chat-float img {
        width: 70px;
        height: 70px;
    }

    .chat-float span {
        font-size: 0.9rem;
    }
}