/* ===== CSS Variables ===== */
:root {
    --primary: #0066cc;
    --primary-dark: #004d99;
    --primary-light: #3399ff;
    --secondary: #ff6b35;
    --secondary-dark: #e55a2b;
    --accent: #00c853;
    --dark: #1a1a2e;
    --dark-light: #2d2d44;
    --gray-900: #212529;
    --gray-800: #343a40;
    --gray-700: #495057;
    --gray-600: #6c757d;
    --gray-500: #adb5bd;
    --gray-400: #ced4da;
    --gray-300: #dee2e6;
    --gray-200: #e9ecef;
    --gray-100: #f8f9fa;
    --white: #ffffff;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-md: 0 6px 12px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.15);
    --shadow-xl: 0 20px 40px rgba(0,0,0,0.2);
    --radius-sm: 4px;
    --radius: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --transition: all 0.3s ease;
    --font-family: 'Noto Sans TC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-family);
    font-size: 16px;
    line-height: 1.6;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

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

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-size: 16px;
    font-weight: 500;
    border-radius: var(--radius);
    transition: var(--transition);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--white);
}

.btn-primary:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background: transparent;
    border-color: var(--primary);
    color: var(--primary);
}

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

.btn-lg {
    padding: 16px 32px;
    font-size: 18px;
}

.btn-block {
    width: 100%;
}

/* ===== Section Styles ===== */
.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.1), rgba(0, 102, 204, 0.05));
    color: var(--primary);
    font-size: 14px;
    font-weight: 500;
    border-radius: 50px;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(28px, 5vw, 42px);
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 18px;
    color: var(--gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== Navigation ===== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.navbar.scrolled {
    box-shadow: var(--shadow);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
}

.logo-icon {
    font-size: 28px;
}

.nav-menu {
    display: flex;
    gap: 8px;
}

.nav-link {
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-700);
    border-radius: var(--radius);
    transition: var(--transition);
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
    background: rgba(0, 102, 204, 0.08);
}

.nav-cta {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--secondary);
    color: var(--white);
    font-weight: 600;
    border-radius: var(--radius);
    transition: var(--transition);
}

.nav-cta:hover {
    background: var(--secondary-dark);
    transform: scale(1.02);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark);
    border-radius: 2px;
    transition: var(--transition);
}

/* ===== Hero Section ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f8fbff 0%, #e8f4ff 50%, #f0f7ff 100%);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 80%, rgba(0, 102, 204, 0.08) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 107, 53, 0.06) 0%, transparent 50%);
}

.hero .container {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-content {
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--secondary), var(--secondary-dark));
    color: var(--white);
    font-size: 14px;
    font-weight: 600;
    border-radius: 50px;
    margin-bottom: 24px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.02); }
}

.hero-title {
    font-size: clamp(36px, 6vw, 56px);
    font-weight: 900;
    line-height: 1.2;
    color: var(--dark);
    margin-bottom: 20px;
}

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

.hero-subtitle {
    font-size: 18px;
    color: var(--gray-600);
    margin-bottom: 30px;
}

.hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 42px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 14px;
    color: var(--gray-600);
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-image {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    text-align: center;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

.hero-card .card-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.hero-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.hero-card p {
    color: var(--gray-600);
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    line-height: 0;
}

.hero-wave svg {
    width: 100%;
    height: 80px;
}

/* ===== Services Section ===== */
.services {
    padding: 100px 0;
    background: var(--white);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--white);
    padding: 35px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-light));
    transform: scaleX(0);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: 48px;
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.service-card p {
    color: var(--gray-600);
    margin-bottom: 16px;
    line-height: 1.7;
}

.service-features {
    margin-bottom: 20px;
}

.service-features li {
    padding: 6px 0;
    color: var(--gray-700);
    font-size: 14px;
}

.service-features li::before {
    content: '✓';
    color: var(--accent);
    margin-right: 8px;
    font-weight: bold;
}

.service-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 15px;
}

.service-link:hover {
    color: var(--primary-dark);
}

/* ===== Features Section ===== */
.features {
    padding: 60px 0;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
}

.feature {
    text-align: center;
    padding: 30px 20px;
    color: var(--white);
}

.feature-icon {
    font-size: 42px;
    margin-bottom: 16px;
}

.feature h3 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.feature p {
    font-size: 14px;
    opacity: 0.9;
}

/* ===== About Section ===== */
.about {
    padding: 100px 0;
    background: var(--gray-100);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text .section-badge {
    margin-bottom: 16px;
}

.about-text .section-title {
    margin-bottom: 20px;
}

.about-description {
    font-size: 17px;
    color: var(--gray-700);
    line-height: 1.8;
    margin-bottom: 30px;
}

.about-highlights {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 30px;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 15px;
    color: var(--gray-800);
}

.highlight-icon {
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent);
    color: var(--white);
    border-radius: 50%;
    font-size: 12px;
    font-weight: bold;
}

.about-image {
    display: flex;
    justify-content: center;
}

.about-card {
    background: var(--white);
    padding: 50px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
}

.about-icon {
    font-size: 64px;
    margin-bottom: 20px;
}

.about-card h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 12px;
}

.about-card p {
    color: var(--gray-600);
}

/* ===== Pricing Section ===== */
.pricing {
    padding: 100px 0;
    background: var(--white);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 30px;
}

.pricing-card {
    background: var(--white);
    border-radius: var(--radius-lg);
    border: 2px solid var(--gray-200);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.pricing-card.featured {
    border-color: var(--primary);
    transform: scale(1.05);
    box-shadow: var(--shadow-lg);
}

.pricing-badge {
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    padding: 6px 20px;
    background: var(--primary);
    color: var(--white);
    font-size: 12px;
    font-weight: 600;
    border-radius: 50px;
}

.pricing-card:hover {
    border-color: var(--primary);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.pricing-card.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.pricing-header {
    margin-bottom: 30px;
}

.pricing-header h3 {
    font-size: 22px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    gap: 4px;
}

.currency {
    font-size: 24px;
    color: var(--primary);
    font-weight: 600;
}

.amount {
    font-size: 48px;
    font-weight: 900;
    color: var(--primary);
    line-height: 1;
}

.period {
    font-size: 18px;
    color: var(--gray-600);
}

.pricing-features {
    text-align: left;
    margin-bottom: 30px;
}

.pricing-features li {
    padding: 12px 0;
    border-bottom: 1px solid var(--gray-200);
    color: var(--gray-700);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-note {
    text-align: center;
    color: var(--gray-600);
    font-size: 14px;
}

/* ===== Gallery Section ===== */
.gallery {
    padding: 100px 0;
    background: var(--gray-100);
}

.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-bottom: 40px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 24px;
    font-size: 15px;
    font-weight: 500;
    color: var(--gray-700);
    background: var(--white);
    border-radius: 50px;
    border: 1px solid var(--gray-300);
    transition: var(--transition);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--primary);
    color: var(--white);
    border-color: var(--primary);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    transition: var(--transition);
}

.gallery-item.hidden {
    display: none;
}

.gallery-image {
    aspect-ratio: 4/3;
    background: linear-gradient(135deg, var(--primary-light), var(--primary));
}

.gallery-placeholder {
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--white);
}

.gallery-placeholder span {
    font-size: 48px;
    margin-bottom: 12px;
}

.gallery-placeholder p {
    font-size: 14px;
    opacity: 0.9;
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 20px;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    color: var(--white);
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-overlay {
    transform: translateY(0);
}

.gallery-overlay h4 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 4px;
}

.gallery-overlay p {
    font-size: 14px;
    opacity: 0.8;
}

/* ===== Testimonials Section ===== */
.testimonials {
    padding: 100px 0;
    background: var(--white);
    overflow: hidden;
}

.testimonials-slider {
    position: relative;
    max-width: 100%;
    overflow: hidden;
}

.testimonials-track {
    display: flex;
    gap: 30px;
    transition: transform 0.5s ease;
}

.testimonial-card {
    flex: 0 0 calc(33.333% - 20px);
    background: var(--white);
    padding: 35px;
    border-radius: var(--radius-lg);
    border: 1px solid var(--gray-200);
    transition: var(--transition);
}

.testimonial-card:hover {
    box-shadow: var(--shadow-md);
    border-color: transparent;
}

.testimonial-rating {
    font-size: 18px;
    margin-bottom: 16px;
}

.testimonial-text {
    font-size: 16px;
    line-height: 1.8;
    color: var(--gray-700);
    margin-bottom: 24px;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 16px;
}

.author-avatar {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: var(--white);
    font-size: 20px;
    font-weight: 700;
    border-radius: 50%;
}

.author-info h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--dark);
}

.author-info span {
    font-size: 13px;
    color: var(--gray-600);
}

.testimonials-nav {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 30px;
}

.nav-btn {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--white);
    border: 2px solid var(--gray-300);
    border-radius: 50%;
    font-size: 18px;
    color: var(--gray-700);
    transition: var(--transition);
}

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

/* ===== Service Areas ===== */
.service-areas {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--dark), var(--dark-light));
    color: var(--white);
}

.service-areas .section-badge {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
}

.service-areas .section-title {
    color: var(--white);
}

.areas-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    margin-top: 40px;
}

.area-group h4 {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 16px;
    color: var(--primary-light);
}

.area-group ul li {
    padding: 8px 0;
    font-size: 15px;
    opacity: 0.9;
}

/* ===== Contact Section ===== */
.contact {
    padding: 100px 0;
    background: var(--gray-100);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact-info .section-badge {
    margin-bottom: 16px;
}

.contact-info .section-title {
    margin-bottom: 16px;
}

.contact-info > p {
    color: var(--gray-600);
    margin-bottom: 30px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

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

.contact-icon {
    font-size: 32px;
}

.contact-item h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-600);
    margin-bottom: 4px;
}

.contact-item a,
.contact-item span {
    font-size: 18px;
    font-weight: 600;
    color: var(--dark);
}

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

.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
}

.contact-form h3 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 30px;
    text-align: center;
}

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

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-size: 16px;
    border: 2px solid var(--gray-300);
    border-radius: var(--radius);
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

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

.contact-form .btn {
    margin-top: 10px;
}

/* ===== SEO Content Section ===== */
.seo-content {
    padding: 80px 0;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
}

.seo-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.seo-content h2 {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 24px;
    text-align: center;
}

.seo-text {
    color: var(--gray-700);
    line-height: 1.9;
}

.seo-text p {
    margin-bottom: 16px;
}

.seo-text p:last-child {
    margin-bottom: 0;
}

.seo-text strong {
    color: var(--gray-800);
}

/* ===== Footer ===== */
.footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 16px;
}

.footer-about p {
    font-size: 14px;
    line-height: 1.7;
    opacity: 0.8;
    margin-bottom: 20px;
}

.footer-social {
    display: flex;
    gap: 12px;
}

.footer-social a {
    font-size: 24px;
    transition: var(--transition);
}

.footer-social a:hover {
    transform: scale(1.1);
}

.footer-links h4,
.footer-contact h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 20px;
}

.footer-links ul li,
.footer-contact ul li {
    margin-bottom: 12px;
}

.footer-links a,
.footer-contact a,
.footer-contact span {
    font-size: 14px;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover,
.footer-contact a:hover {
    opacity: 1;
    color: var(--primary-light);
}

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

.footer-bottom p {
    font-size: 14px;
    opacity: 0.7;
    margin-bottom: 8px;
}

/* ===== Floating Elements ===== */
.back-to-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary);
    color: var(--white);
    font-size: 20px;
    font-weight: bold;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--primary-dark);
    transform: translateY(-3px);
}

.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #25D366;
    border-radius: 50%;
    box-shadow: var(--shadow-lg);
    z-index: 999;
    animation: bounce 2s infinite;
}

.whatsapp-float span {
    font-size: 32px;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

/* ===== Responsive Design ===== */
@media (max-width: 1024px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-stats {
        justify-content: center;
    }

    .hero-actions {
        justify-content: center;
    }

    .hero-image {
        display: none;
    }

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

    .about-image {
        order: -1;
    }

    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto 30px;
    }

    .pricing-card.featured {
        transform: none;
    }

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

    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .testimonial-card {
        flex: 0 0 calc(50% - 15px);
    }

    .areas-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 20px;
        box-shadow: var(--shadow-lg);
        transform: translateY(-150%);
        opacity: 0;
        transition: var(--transition);
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }

    .nav-cta {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: 100px 0 60px;
    }

    .hero-stats {
        gap: 20px;
    }

    .stat-number {
        font-size: 32px;
    }

    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

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

    .testimonial-card {
        flex: 0 0 100%;
    }

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

    .areas-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer-social {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }

    .hero-actions .btn {
        width: 100%;
    }

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

    .gallery-filters {
        flex-direction: column;
        align-items: center;
    }

    .filter-btn {
        width: 100%;
        max-width: 200px;
    }

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

    .contact-form-wrapper {
        padding: 30px 20px;
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        right: 20px;
        bottom: 20px;
    }

    .whatsapp-float span {
        font-size: 26px;
    }

    .back-to-top {
        right: 20px;
        bottom: 80px;
        width: 44px;
        height: 44px;
    }
}

/* ===== Animation Classes ===== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Form Success/Error States ===== */
.form-success {
    background: #d4edda;
    color: #155724;
    padding: 15px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    text-align: center;
}

.form-error {
    background: #f8d7da;
    color: #721c24;
    padding: 15px 20px;
    border-radius: var(--radius);
    margin-bottom: 20px;
    text-align: center;
}

/* ===== Loading State ===== */
.btn.loading {
    pointer-events: none;
    opacity: 0.7;
}

.btn.loading::after {
    content: '';
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-left: 8px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}