/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Light theme */
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --accent-color: #f59e0b;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --bg-color: #ffffff;
    --bg-secondary: #f9fafb;
    --card-bg: #ffffff;
    --border-color: #e5e7eb;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

[data-theme="dark"] {
    /* Dark theme */
    --primary-color: #3b82f6;
    --secondary-color: #60a5fa;
    --accent-color: #fbbf24;
    --text-color: #f9fafb;
    --text-light: #d1d5db;
    --bg-color: #111827;
    --bg-secondary: #1f2937;
    --card-bg: #1f2937;
    --border-color: #374151;
    --shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
}

html {
    scroll-behavior: smooth;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

section {
    padding: 80px 0;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4 {
    font-family: 'Poppins', sans-serif;
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

p {
    margin-bottom: 1rem;
    color: var(--text-light);
}

.section-title {
    position: relative;
    display: inline-block;
    margin-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px;
    font-size: 1.1rem;
}

.highlight {
    color: var(--primary-color);
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-3px);
    box-shadow: var(--shadow);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    margin-left: 15px;
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

/* ===== HEADER & NAV ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--bg-color);
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 0;
}

.logo a {
    font-family: 'Poppins', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    text-decoration: none;
    color: var(--text-color);
}

.logo span {
    color: var(--primary-color);
}

.nav-links {
    display: flex;
    list-style: none;
}

.nav-links li {
    margin-left: 40px;
}

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

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

.theme-toggle button {
    background: none;
    border: none;
    color: var(--text-color);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition);
}

.theme-toggle button:hover {
    color: var(--primary-color);
    transform: rotate(30deg);
}

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

/* ===== HERO ===== */
.hero {
    padding-top: 140px;
    overflow: hidden;
}

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

.hero-content {
    flex: 1;
    min-width: 300px;
    padding-right: 40px;
}

.hero-title {
    font-size: 3.2rem;
    margin-bottom: 20px;
}

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.hero-buttons {
    margin-top: 30px;
}

.hero-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.hero-image img {
    max-width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

/* ===== ANIMATIONS ===== */
@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-up {
    animation: fadeUp 0.8s ease forwards;
}

.animate-fade-up-delay {
    opacity: 0;
    animation: fadeUp 0.8s ease 0.3s forwards;
}

.animate-fade-up-delay-2 {
    opacity: 0;
    animation: fadeUp 0.8s ease 0.6s forwards;
}

/* ===== ENHANCED SCROLL ANIMATIONS ===== */
.scroll-animate {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-animate.animated {
    opacity: 1;
    transform: translateY(0);
}

.scroll-animate-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-animate-left.animated {
    opacity: 1;
    transform: translateX(0);
}

.scroll-animate-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-animate-right.animated {
    opacity: 1;
    transform: translateX(0);
}

.service-card,
.portfolio-card,
.testimonial-card,
.faq-item {
    transition-delay: 0.1s;
}

/* ===== ABOUT ===== */
.about-content {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 50px;
}

.about-text {
    flex: 1;
    min-width: 300px;
}

.about-image {
    flex: 1;
    min-width: 300px;
    text-align: center;
}

.about-image img {
    max-width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

/* ===== SERVICES ===== */
.services {
    background-color: var(--bg-secondary);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

/* ===== PORTFOLIO ===== */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.portfolio-card {
    background-color: var(--card-bg);
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.portfolio-card:hover {
    transform: translateY(-10px);
}

.portfolio-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.portfolio-card:hover .portfolio-image img {
    transform: scale(1.05);
}

.portfolio-info {
    padding: 25px;
}

/* Make entire portfolio card clickable */
.portfolio-card-link {
    display: block;
    text-decoration: none;
    color: inherit;
}
.portfolio-card-link:hover .portfolio-card {
    transform: translateY(-10px);
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    background-color: var(--bg-secondary);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.testimonial-card {
    background-color: var(--card-bg);
    padding: 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.testimonial-card:hover {
    transform: translateY(-5px);
}

.testimonial-text {
    font-style: italic;
    margin-bottom: 25px;
    position: relative;
    padding-left: 20px;
}

.testimonial-text::before {
    content: '"';
    font-size: 4rem;
    color: var(--primary-color);
    position: absolute;
    left: -10px;
    top: -20px;
    opacity: 0.3;
}

.testimonial-author h4 {
    color: var(--primary-color);
    margin-bottom: 5px;
}

/* ===== FAQ SECTION ===== */
.faq {
    background-color: var(--bg-secondary);
    padding: 80px 0;
}

.faq-container {
    max-width: 800px;
    margin: 50px auto 0;
}

.faq-item {
    background-color: var(--card-bg);
    border-radius: 10px;
    margin-bottom: 15px;
    overflow: hidden;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.faq-question {
    width: 100%;
    padding: 22px 25px;
    text-align: left;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-family: 'Poppins', sans-serif;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-color);
    transition: var(--transition);
}

.faq-question:hover {
    background-color: rgba(37, 99, 235, 0.05);
}

.faq-question i {
    transition: transform 0.3s ease;
    color: var(--primary-color);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 25px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    border-top: 1px solid transparent;
}

.faq-item.active .faq-answer {
    padding: 20px 25px 25px;
    max-height: 500px;
    border-top-color: var(--border-color);
}

.faq-answer p {
    margin-bottom: 0;
    line-height: 1.7;
}

.faq-cta {
    text-align: center;
    margin-top: 50px;
    font-size: 1.1rem;
}

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

.faq-cta a:hover {
    text-decoration: underline;
}

/* ===== CONTACT ===== */
.contact-content {
    display: flex;
    flex-wrap: wrap;
    gap: 50px;
    margin-top: 50px;
}

.contact-info {
    flex: 1;
    min-width: 300px;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 30px;
}

.contact-item i {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 20px;
    margin-top: 5px;
}

.contact-form {
    flex: 1;
    min-width: 300px;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-form input,
.contact-form textarea {
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-color);
    font-family: 'Inter', sans-serif;
    transition: var(--transition);
}

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

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 10px;
}

.social-links a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--bg-secondary);
    color: var(--text-color);
    border-radius: 50%;
    text-decoration: none;
    transition: var(--transition);
}

.social-links a:hover {
    background-color: var(--primary-color);
    color: white;
    transform: translateY(-3px);
}

.form-note {
    margin-top: 15px;
    font-size: 0.9rem;
    text-align: center;
    color: var(--text-light);
}

/* ===== WHATSAPP WIDGET ===== */
.whatsapp-widget {
    position: fixed;
    bottom: 30px;
    left: 30px;
    z-index: 999;
}

.whatsapp-button {
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
    transition: var(--transition);
}

.whatsapp-button:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.whatsapp-button i {
    font-size: 2rem;
    color: white;
}

.whatsapp-chat-box {
    position: absolute;
    bottom: 80px;
    left: 0;
    width: 350px;
    background-color: var(--card-bg);
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px) scale(0.9);
    visibility: hidden;
    transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s;
    border: 1px solid var(--border-color);
}

.whatsapp-chat-box.active {
    opacity: 1;
    transform: translateY(0) scale(1);
    visibility: visible;
}

.chat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background-color: var(--primary-color);
    color: white;
}

.chat-header-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.chat-header-info i {
    font-size: 1.8rem;
}

.chat-header-info h4 {
    margin: 0;
    color: white;
}

.chat-header-info p {
    margin: 5px 0 0;
    font-size: 0.85rem;
    opacity: 0.9;
    color: white;
}

.chat-close {
    background: none;
    border: none;
    color: white;
    font-size: 1.2rem;
    cursor: pointer;
    transition: var(--transition);
}

.chat-close:hover {
    transform: rotate(90deg);
}

.chat-body {
    padding: 20px;
    max-height: 300px;
    overflow-y: auto;
}

.chat-message {
    margin-bottom: 15px;
    padding: 12px 16px;
    border-radius: 18px;
    max-width: 85%;
}

.chat-message-received {
    background-color: var(--bg-secondary);
    border-bottom-left-radius: 5px;
    margin-right: auto;
}

.chat-message-sent {
    background-color: var(--primary-color);
    color: white;
    border-bottom-right-radius: 5px;
    margin-left: auto;
}

.chat-input {
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.chat-input textarea {
    width: 100%;
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: var(--card-bg);
    color: var(--text-color);
    font-family: 'Inter', sans-serif;
    resize: vertical;
    margin-bottom: 15px;
    transition: var(--transition);
}

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

.chat-input button {
    width: 100%;
    background-color: #25D366;
    border: none;
}

.chat-input button:hover {
    background-color: #1da851;
}

/* ===== FOOTER ===== */
.footer {
    background-color: var(--bg-secondary);
    padding: 60px 0 30px;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    flex-wrap: wrap;
    margin-bottom: 40px;
}

.footer-logo p {
    max-width: 300px;
    margin-top: 15px;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 30px;
}

.footer-links a {
    color: var(--text-light);
    text-decoration: none;
    transition: var(--transition);
}

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

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

/* ===== BACK TO TOP ===== */
#backToTop {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--primary-color);
    color: white;
    border: none;
    cursor: pointer;
    display: none;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    z-index: 999;
    transition: var(--transition);
}

#backToTop:hover {
    background-color: var(--secondary-color);
    transform: translateY(-5px);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 992px) {
    h1 {
        font-size: 2.8rem;
    }
    h2 {
        font-size: 2.2rem;
    }
    .hero .container {
        flex-direction: column;
        text-align: center;
    }
    .hero-content {
        padding-right: 0;
        margin-bottom: 50px;
    }
    .nav-links {
        display: none;
    }
    .menu-toggle {
        display: block;
    }
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--bg-color);
        padding: 20px;
        box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    }
    .nav-links.active li {
        margin: 10px 0;
    }
    .whatsapp-chat-box {
        width: 300px;
        left: -10px;
    }
}

@media (max-width: 768px) {
    h1 {
        font-size: 2.2rem;
    }
    h2 {
        font-size: 1.8rem;
    }
    .btn-secondary {
        margin-left: 0;
        margin-top: 15px;
    }
    .hero-buttons {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .footer-content {
        flex-direction: column;
        gap: 30px;
    }
    .whatsapp-widget {
        bottom: 20px;
        left: 20px;
    }
    .whatsapp-chat-box {
        width: calc(100vw - 40px);
        left: 0;
    }
    #backToTop {
        bottom: 20px;
        right: 20px;
    }
}