/* ==========================================================================
   DESIGN SYSTEM & VARIABLES
   ========================================================================== */
:root {
    /* Color Palette - Light Mode */
    --bg-primary: #F9F9FB;
    --bg-secondary: #FFFFFF;
    --bg-tertiary: #F1F1F4;
    --text-primary: #232528;
    --text-secondary: #5D6065;
    --text-light: #FFFFFF;
    
    /* Branding Colors */
    --color-gold: #C5A880;
    --color-gold-hover: #B2956E;
    --color-gold-light: #FAF5EE;
    --color-charcoal: #232528;
    --color-charcoal-light: #32353A;
    --color-whatsapp: #25D366;
    --color-whatsapp-hover: #20BA5A;
    
    /* UI Elements */
    --border-color: #E2E3E8;
    --card-shadow: 0 10px 30px rgba(35, 37, 40, 0.04);
    --hover-shadow: 0 20px 40px rgba(35, 37, 40, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-border: rgba(255, 255, 255, 0.4);
    --glass-shadow: 0 8px 32px 0 rgba(31, 38, 135, 0.04);
    
    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Outfit', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s cubic-bezier(0.25, 1, 0.5, 1);
    
    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
}

[data-theme="dark"] {
    /* Color Palette - Dark Mode */
    --bg-primary: #18191B;
    --bg-secondary: #202225;
    --bg-tertiary: #1E2023;
    --text-primary: #F9F9FB;
    --text-secondary: #A3A8B0;
    
    /* UI Elements - Dark Mode */
    --border-color: #2D3035;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    --hover-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    --glass-bg: rgba(32, 34, 37, 0.8);
    --glass-border: rgba(255, 255, 255, 0.05);
    
    --color-gold-light: #2A2824;
}

/* ==========================================================================
   BASE RESETS & DEFAULTS
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-tap-highlight-color: transparent;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

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

ul {
    list-style: none;
}

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

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

/* Helper Utilities */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.text-center { text-align: center; }
.text-right { text-align: right; }
.btn-block { display: flex; width: 100%; justify-content: center; }

/* Scroll Reveal Initial States */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal-left {
    opacity: 0;
    transform: translateX(-50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal-right {
    opacity: 0;
    transform: translateX(50px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.scroll-reveal.active,
.scroll-reveal-left.active,
.scroll-reveal-right.active {
    opacity: 1;
    transform: translate(0);
}

/* ==========================================================================
   BUTTONS
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
    text-transform: uppercase;
}

.btn-primary {
    background-color: var(--color-gold);
    color: var(--color-charcoal);
    font-weight: 600;
    border: 1px solid var(--color-gold);
}

.btn-primary:hover {
    background-color: var(--color-gold-hover);
    border-color: var(--color-gold-hover);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(197, 168, 128, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
}

.btn-outline:hover {
    background-color: var(--color-gold);
    color: var(--color-charcoal);
    transform: translateY(-2px);
}

.btn-outline-white {
    background-color: transparent;
    color: var(--text-light);
    border: 1px solid var(--text-light);
}

.btn-outline-white:hover {
    background-color: var(--text-light);
    color: var(--color-charcoal);
    transform: translateY(-2px);
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), box-shadow var(--transition-normal), padding var(--transition-normal);
    padding: 24px 0;
    border-bottom: 1px solid transparent;
}

.main-header.scrolled {
    background-color: var(--glass-bg);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 14px 0;
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
    border-bottom: 1px solid var(--border-color);
}

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

.nav-logo {
    height: 48px;
    width: auto;
    transition: height var(--transition-normal);
}

.main-header.scrolled .nav-logo {
    height: 40px;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    gap: 32px;
}

.nav-item {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
    position: relative;
    padding: 8px 0;
    letter-spacing: 0.5px;
}

.nav-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-gold);
    transition: width var(--transition-normal);
}

.nav-item:hover::after,
.nav-item.active::after {
    width: 100%;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.theme-toggle-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 1.1rem;
    transition: transform var(--transition-fast), background-color var(--transition-fast);
}

.theme-toggle-btn:hover {
    transform: scale(1.05);
    background-color: var(--border-color);
}

.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-sm);
    align-items: center;
    justify-content: center;
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    font-size: 1.2rem;
}

/* ==========================================================================
   MOBILE DRAWER NAVIGATION
   ========================================================================== */
.mobile-drawer {
    position: fixed;
    top: 0;
    right: -300px;
    width: 300px;
    height: 100vh;
    background-color: var(--bg-secondary);
    z-index: 2000;
    box-shadow: -5px 0 30px rgba(0, 0, 0, 0.1);
    transition: right var(--transition-slow);
    padding: 40px 24px;
}

.mobile-drawer.active {
    right: 0;
}

.close-drawer-btn {
    position: absolute;
    top: 24px;
    right: 24px;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.drawer-logo {
    height: 50px;
    margin-bottom: 40px;
}

.drawer-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

.drawer-item {
    font-size: 1.1rem;
    font-weight: 500;
    display: block;
}

.drawer-footer {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.social-links-drawer {
    display: flex;
    justify-content: center;
    gap: 24px;
    font-size: 1.4rem;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    position: relative;
    height: 100vh;
    min-height: 650px;
    display: flex;
    align-items: center;
    overflow: hidden;
    padding-top: 80px;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    transform: scale(1.05);
    animation: zoomOutBg 10s forwards;
    z-index: 1;
}

@keyframes zoomOutBg {
    to { transform: scale(1); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(35, 37, 40, 0.85) 0%, rgba(35, 37, 40, 0.6) 100%);
    z-index: 2;
}

.hero-container {
    position: relative;
    z-index: 3;
}

.hero-content {
    max-width: 650px;
    color: var(--text-light);
}

.hero-tagline {
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: var(--color-gold);
    display: inline-block;
    margin-bottom: 16px;
    font-weight: 600;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 600;
    line-height: 1.15;
    margin-bottom: 24px;
}

.hero-description {
    font-size: 1.15rem;
    opacity: 0.9;
    margin-bottom: 40px;
    font-weight: 300;
}

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

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    transform: rotate(180deg);
    z-index: 4;
}

.hero-wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
}

.hero-wave .shape-fill {
    fill: var(--bg-primary);
    transition: fill var(--transition-normal);
}

/* ==========================================================================
   HIGHLIGHTS SECTION
   ========================================================================== */
.highlights-section {
    position: relative;
    z-index: 10;
    margin-top: -40px;
}

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

.highlight-card {
    background-color: var(--bg-secondary);
    padding: 32px;
    border-radius: var(--radius-md);
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal);
    border-top: 3px solid transparent;
}

.highlight-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--hover-shadow);
    border-top-color: var(--color-gold);
}

.highlight-icon {
    font-size: 2rem;
    color: var(--color-gold);
    margin-bottom: 20px;
}

.highlight-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.highlight-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* ==========================================================================
   ABOUT SECTION (O ESTÚDIO)
   ========================================================================== */
.about-section {
    padding: 100px 0;
    overflow: hidden;
}

.about-container {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image-side {
    position: relative;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.about-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-lg);
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.about-image-wrapper:hover .about-img {
    transform: scale(1.03);
}

.about-experience-badge {
    position: absolute;
    bottom: 24px;
    right: 24px;
    background-color: var(--color-charcoal);
    color: var(--text-light);
    padding: 20px 32px;
    border-radius: var(--radius-md);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    display: flex;
    flex-direction: column;
    align-items: center;
    border-left: 4px solid var(--color-gold);
}

.badge-num {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-gold);
    line-height: 1;
}

.badge-text {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-top: 4px;
}

.section-tag {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-gold);
    display: block;
    margin-bottom: 12px;
    font-weight: 600;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    line-height: 1.2;
    margin-bottom: 8px;
    font-weight: 600;
}

.about-subtitle {
    font-size: 1.1rem;
    color: var(--color-gold);
    margin-bottom: 24px;
    font-weight: 500;
}

.about-content {
    margin-bottom: 32px;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
}

.feature-item i {
    color: var(--color-gold);
}

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services-section {
    padding: 100px 0;
    background-color: var(--bg-secondary);
    transition: background-color var(--transition-normal);
}

.section-header {
    max-width: 600px;
    margin: 0 auto 60px;
}

.section-description {
    color: var(--text-secondary);
    margin-top: 16px;
}

.services-main-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
    margin-bottom: 80px;
}

.service-main-card {
    background-color: var(--bg-primary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal), background-color var(--transition-normal);
}

.service-main-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--hover-shadow);
}

.service-img-container {
    position: relative;
    height: 300px;
    overflow: hidden;
}

.service-main-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.service-main-card:hover .service-main-img {
    transform: scale(1.05);
}

.service-card-tag {
    position: absolute;
    top: 20px;
    left: 20px;
    background-color: var(--color-charcoal);
    color: var(--text-light);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-gold);
}

.service-info {
    padding: 40px;
}

.service-main-title {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    margin-bottom: 16px;
    font-weight: 600;
}

.service-main-desc {
    color: var(--text-secondary);
    margin-bottom: 24px;
    font-size: 0.95rem;
}

.service-meta-info {
    display: flex;
    gap: 24px;
    margin-bottom: 32px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.meta-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.meta-item i {
    color: var(--color-gold);
    font-size: 1rem;
}

/* Techniques Inner Section */
.techniques-wrapper {
    background-color: var(--bg-primary);
    padding: 60px;
    border-radius: var(--radius-lg);
    transition: background-color var(--transition-normal);
}

.techniques-title {
    font-family: var(--font-heading);
    font-size: 2rem;
    margin-bottom: 12px;
}

.techniques-subtitle {
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 48px;
    font-size: 0.95rem;
}

.techniques-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.technique-card {
    background-color: var(--bg-secondary);
    padding: 30px;
    border-radius: var(--radius-md);
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

.technique-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--hover-shadow);
}

.tech-icon-box {
    margin-bottom: 20px;
}

.tech-num {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-gold);
    background-color: var(--color-gold-light);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-full);
}

.tech-title {
    font-size: 1.1rem;
    margin-bottom: 12px;
    font-weight: 600;
}

.tech-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

.techniques-cta {
    margin-top: 48px;
}

.cta-question {
    font-size: 1rem;
    margin-bottom: 16px;
    color: var(--text-secondary);
}

/* ==========================================================================
   PORTFOLIO / GALLERY SECTION
   ========================================================================== */
.gallery-section {
    padding: 100px 0;
}

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

.gallery-item {
    position: relative;
    border-radius: var(--radius-md);
    overflow: hidden;
    height: 300px;
    cursor: pointer;
    box-shadow: var(--card-shadow);
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(35, 37, 40, 0.7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
    color: var(--text-light);
    padding: 20px;
    text-align: center;
}

.gallery-item-title {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    margin-bottom: 8px;
    transform: translateY(15px);
    transition: transform var(--transition-normal);
}

.gallery-item-view {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    transform: translateY(15px);
    transition: transform var(--transition-normal) 0.1s;
    color: var(--color-gold);
}

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

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-item:hover .gallery-item-title,
.gallery-item:hover .gallery-item-view {
    transform: translateY(0);
}

/* ==========================================================================
   TESTIMONIALS SECTION
   ========================================================================== */
.testimonials-section {
    padding: 100px 0;
    background-color: var(--bg-secondary);
    transition: background-color var(--transition-normal);
}

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

.testimonial-card {
    background-color: var(--bg-primary);
    padding: 40px;
    border-radius: var(--radius-lg);
    position: relative;
    box-shadow: var(--card-shadow);
    transition: background-color var(--transition-normal);
}

.quote-icon {
    font-size: 2.5rem;
    color: var(--color-gold);
    opacity: 0.2;
    position: absolute;
    top: 24px;
    left: 40px;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-secondary);
    margin-bottom: 30px;
    position: relative;
    z-index: 2;
    font-size: 0.95rem;
    line-height: 1.7;
}

.testimonial-user {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.user-name {
    font-size: 1rem;
    font-weight: 600;
}

.user-location {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

.stars {
    color: var(--color-gold);
    font-size: 0.8rem;
}

/* ==========================================================================
   CONTACT & LOCATION SECTION
   ========================================================================== */
.contact-section {
    padding: 100px 0;
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 80px;
    align-items: center;
}

.contact-desc {
    color: var(--text-secondary);
    margin: 16px 0 32px;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-bottom: 40px;
}

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

.contact-item-icon {
    width: 50px;
    height: 50px;
    border-radius: var(--radius-full);
    background-color: var(--color-gold-light);
    color: var(--color-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.contact-item-text h4 {
    font-size: 1rem;
    margin-bottom: 4px;
    font-weight: 600;
}

.contact-item-text p {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.contact-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.contact-map-side {
    position: relative;
}

.map-card {
    background-color: var(--bg-secondary);
    padding: 12px;
    border-radius: var(--radius-lg);
    box-shadow: var(--card-shadow);
    overflow: hidden;
    transition: background-color var(--transition-normal);
}

.map-card iframe {
    border-radius: var(--radius-md);
    display: block;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
    background-color: var(--color-charcoal);
    color: var(--text-light);
    padding: 80px 0 0;
    border-top: 1px solid var(--color-charcoal-light);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-logo {
    height: 50px;
    width: auto;
    align-self: flex-start;
}

.footer-tagline {
    font-size: 0.95rem;
    opacity: 0.8;
}

.footer-socials {
    display: flex;
    gap: 16px;
}

.footer-socials a {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-full);
    background-color: var(--color-charcoal-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.footer-socials a:hover {
    background-color: var(--color-gold);
    color: var(--color-charcoal);
    transform: translateY(-2px);
}

.footer-title {
    font-size: 1.1rem;
    margin-bottom: 24px;
    font-weight: 600;
    position: relative;
    padding-bottom: 12px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--color-gold);
}

.footer-links ul,
.footer-services ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a,
.footer-services a {
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-links a:hover,
.footer-services a:hover {
    color: var(--color-gold);
    opacity: 1;
}

.working-hours {
    font-size: 0.95rem;
    margin-bottom: 12px;
}

.working-hours-note {
    font-size: 0.8rem;
    opacity: 0.6;
}

.footer-bottom {
    border-top: 1px solid var(--color-charcoal-light);
    padding: 30px 0;
    font-size: 0.85rem;
    opacity: 0.7;
}

/* ==========================================================================
   FLOATING ACTION BUTTONS & LIGHTBOX
   ========================================================================== */
.whatsapp-floating-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background-color: var(--color-whatsapp);
    color: var(--text-light);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: 0 5px 15px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: transform var(--transition-normal), background-color var(--transition-normal);
    animation: pulseWhatsapp 2s infinite;
}

.whatsapp-floating-btn:hover {
    background-color: var(--color-whatsapp-hover);
    transform: scale(1.05);
}

@keyframes pulseWhatsapp {
    0% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0);
    }
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(24, 25, 27, 0.95);
    z-index: 3000;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
    padding: 40px;
}

.lightbox.active {
    opacity: 1;
    pointer-events: all;
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 32px;
    color: var(--text-light);
    font-size: 3rem;
    cursor: pointer;
    transition: color var(--transition-fast);
}

.lightbox-close:hover {
    color: var(--color-gold);
}

.lightbox-img {
    max-width: 90%;
    max-height: 80vh;
    border-radius: var(--radius-md);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.5);
    object-fit: contain;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.lightbox.active .lightbox-img {
    transform: scale(1);
}

.lightbox-caption {
    color: var(--text-light);
    margin-top: 20px;
    font-size: 1.1rem;
    font-weight: 500;
    text-align: center;
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES
   ========================================================================== */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .about-container,
    .contact-container {
        gap: 40px;
    }
    
    .techniques-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .main-header {
        padding: 16px 0;
        background-color: var(--glass-bg);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--border-color);
    }
    
    .main-header.scrolled {
        padding: 12px 0;
    }
    
    .nav-menu {
        display: none; /* Hide on mobile, drawer takes over */
    }
    
    .btn-header-cta {
        display: none; /* Hide standard nav button on mobile */
    }
    
    .mobile-menu-btn {
        display: flex;
    }
    
    .hero-section {
        height: auto;
        min-height: auto;
        padding: 140px 0 100px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .highlights-grid {
        grid-template-columns: 1fr;
        margin-top: -60px;
        padding: 0 12px;
    }
    
    .about-container,
    .contact-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .about-image-side {
        order: 2;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .about-text-side {
        order: 1;
    }
    
    .about-features {
        align-items: center;
    }
    
    .services-main-grid {
        grid-template-columns: 1fr;
    }
    
    .techniques-wrapper {
        padding: 30px;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
    
    .contact-map-side {
        order: 2;
        width: 100%;
    }
    
    .contact-info-side {
        order: 1;
    }
    
    .contact-details {
        align-items: center;
        text-align: center;
    }
    
    .contact-item {
        flex-direction: column;
    }
    
    .contact-buttons {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-actions {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .techniques-grid {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        align-items: center;
        text-align: center;
    }
    
    .footer-title::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-links, .footer-services, .footer-legal {
        text-align: center;
    }
    
    .whatsapp-floating-btn {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.7rem;
    }
}