/* ==========================================================================
   Design System & Variables
   ========================================================================== */
:root {
    /* Colors */
    --color-bg-dark: #050505;
    --color-bg-card-dark: #121212;
    --color-bg-light: #f7f7f9;
    --color-bg-card-light: #ffffff;
    
    --color-text-light: #ffffff;
    --color-text-muted-light: #a0a0a5;
    --color-text-dark: #1c1c1e;
    --color-text-muted-dark: #6e6e73;
    
    /* Elegant Metallic Gold/Champagne Palette */
    --color-gold-light: #f2e3c6;
    --color-gold: #c5a059;
    --color-gold-hover: #b38e47;
    --color-gold-dark: #8c6a2d;
    --gold-gradient: linear-gradient(135deg, #dfc082 0%, #c5a059 50%, #9a7836 100%);
    --gold-gradient-hover: linear-gradient(135deg, #f2e3c6 0%, #dfc082 50%, #b38e47 100%);
    
    /* Fonts */
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Montserrat', sans-serif;
    
    /* Layout */
    --header-height: 80px;
    --container-width: 1200px;
    --border-radius: 4px; /* Subtle, luxury sharp corners */
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
    
    /* Shadows */
    --shadow-luxury: 0 20px 40px rgba(0, 0, 0, 0.3);
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
}

/* ==========================================================================
   Reset & Base Styles
   ========================================================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    outline: none;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    font-family: var(--font-body);
}

body {
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

ul {
    list-style: none;
}

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

/* Common Layout Helpers */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.text-center { text-align: center; }
.text-center-mobile { }
.mx-auto { margin-left: auto; margin-right: auto; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-4 { margin-bottom: 2rem; }
.text-muted { color: var(--color-text-muted-dark); }

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 500;
    letter-spacing: 0.03em;
}

/* Section Common Styling */
section {
    padding: 8rem 0;
    position: relative;
}

.section-tag {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    color: var(--color-gold);
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 1rem;
}

.section-title {
    font-size: 3rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.section-subtitle {
    font-size: 1.1rem;
    font-weight: 300;
    color: var(--color-text-muted-light);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.divider-gold {
    width: 60px;
    height: 1px;
    background: var(--gold-gradient);
    margin-bottom: 2.5rem;
}

.divider-gold.mx-auto {
    margin: 0 auto 3rem;
}

/* Grid System */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 4rem;
    align-items: center;
}

/* Button Styling (Luxury Theme) */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.25rem;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: var(--border-radius);
    transition: var(--transition-smooth);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gold-gradient);
    color: var(--color-bg-dark);
    box-shadow: 0 5px 15px rgba(197, 160, 89, 0.2);
}

.btn-primary::after {
    content: '';
    position: absolute;
    top: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0) 0%, rgba(255,255,255,0.3) 50%, rgba(255,255,255,0) 100%);
    transform: skewX(-25deg);
    transition: 0.75s;
    opacity: 0;
}

.btn-primary:hover::after {
    opacity: 1;
    left: 125%;
}

.btn-primary:hover {
    background: var(--gold-gradient-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(197, 160, 89, 0.4);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text-light);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
    border-color: var(--color-gold);
    color: var(--color-gold-light);
    background-color: rgba(197, 160, 89, 0.05);
}

.btn .icon-svg {
    width: 18px;
    height: 18px;
    margin-left: 0.75rem;
    transition: var(--transition-fast);
}

.btn:hover .icon-svg {
    transform: translateX(3px);
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 100;
    transition: var(--transition-smooth);
    background-color: rgba(5, 5, 5, 0.7);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.main-header.scrolled {
    height: 70px;
    background-color: rgba(5, 5, 5, 0.95);
    border-bottom-color: rgba(197, 160, 89, 0.15);
    box-shadow: 0 5px 25px rgba(0, 0, 0, 0.3);
}

.header-container {
    height: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    flex-direction: column;
}

.brand-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 0.15em;
    color: var(--color-text-light);
    line-height: 1;
}

.brand-subtitle {
    font-size: 0.55rem;
    letter-spacing: 0.28em;
    color: var(--color-gold);
    margin-top: 0.2rem;
    font-weight: 500;
}

.nav-menu ul {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted-light);
    padding: 0.5rem 0;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-text-light);
}

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

.nav-link-cta {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gold);
    border: 1px solid var(--color-gold);
    padding: 0.6rem 1.25rem;
    border-radius: var(--border-radius);
}

.nav-link-cta:hover {
    background: var(--gold-gradient);
    color: var(--color-bg-dark);
    border-color: transparent;
    box-shadow: 0 4px 12px rgba(197, 160, 89, 0.2);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    z-index: 101;
}

.mobile-toggle .bar {
    width: 24px;
    height: 2px;
    background-color: var(--color-text-light);
    transition: var(--transition-fast);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-section {
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: 1;
    transform: scale(1.05);
    animation: slow-zoom 20s infinite alternate ease-in-out;
}

@keyframes slow-zoom {
    from { transform: scale(1); }
    to { transform: scale(1.08); }
}

.hero-content-wrapper {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    background: radial-gradient(circle at center, rgba(5, 5, 5, 0.2) 0%, rgba(5, 5, 5, 0.75) 80%);
}

.hero-content {
    max-width: 800px;
    text-align: center;
}

.hero-tagline {
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.35em;
    color: var(--color-gold);
    display: block;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 2rem;
    font-weight: 300;
}

.hero-subtitle {
    font-size: 1.15rem;
    font-weight: 300;
    color: #e0e0e0;
    line-height: 1.6;
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    opacity: 0.7;
}

.scroll-indicator .mouse {
    width: 24px;
    height: 40px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    display: block;
    position: relative;
}

.scroll-indicator .wheel {
    width: 2px;
    height: 8px;
    background-color: var(--color-gold);
    display: block;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 1px;
    animation: scroll-wheel 1.6s infinite ease-in-out;
}

@keyframes scroll-wheel {
    0% { top: 8px; opacity: 1; }
    50% { top: 18px; opacity: 0; }
    100% { top: 8px; opacity: 0; }
}

/* ==========================================================================
   Section 2: Value Proposition (A Estética)
   ========================================================================== */
.value-proposition {
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
}

.value-proposition .section-title {
    color: var(--color-text-dark);
}

.val-p {
    font-size: 1.1rem;
    font-weight: 400;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    color: #3a3a3c;
}

.val-p strong {
    font-weight: 600;
    color: var(--color-text-dark);
}

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

.features-mini {
    margin-top: 3rem;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feat-mini-item {
    display: flex;
    align-items: flex-start;
    gap: 1.5rem;
}

.feat-number {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    color: var(--color-gold);
    line-height: 1;
    font-weight: 300;
    border-bottom: 1px solid rgba(197, 160, 89, 0.3);
    padding-bottom: 0.2rem;
}

.feat-mini-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--color-text-dark);
    font-family: var(--font-body);
}

.feat-mini-item p {
    font-size: 0.85rem;
    color: var(--color-text-muted-dark);
}

.val-image-wrapper {
    position: relative;
    padding: 1.5rem;
}

.val-image {
    width: 100%;
    height: 480px;
    object-fit: cover;
    box-shadow: var(--shadow-luxury);
    position: relative;
    z-index: 2;
}

.gold-frame-effect {
    position: absolute;
    top: 0;
    left: 0;
    width: calc(100% - 1.5rem);
    height: calc(100% - 1.5rem);
    border: 1px solid var(--color-gold);
    z-index: 1;
    transform: translate(1.5rem, 1.5rem);
}

/* ==========================================================================
   Section: Gallery
   ========================================================================== */
.pianos-gallery {
    background-color: var(--color-bg-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    overflow: hidden;
}

.gallery-slider-container {
    position: relative;
    max-width: 900px;
    margin: 4rem auto 0;
    padding: 0 1rem;
}

.gallery-wrapper {
    position: relative;
    height: 520px;
    overflow: hidden;
    box-shadow: 0 30px 60px rgba(0,0,0,0.6);
}

.gallery-item {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transform: scale(1.02);
    transition: opacity 0.8s ease-in-out, transform 0.8s ease-in-out;
    z-index: 1;
}

.gallery-item.active {
    opacity: 1;
    transform: scale(1);
    z-index: 2;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-item-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0) 100%);
    padding: 3rem 2rem 2rem;
    color: var(--color-text-light);
}

.gallery-item-info h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    color: var(--color-gold-light);
}

.gallery-item-info p {
    font-size: 0.9rem;
    font-weight: 300;
    opacity: 0.8;
}

.gallery-controls {
    position: absolute;
    top: 50%;
    left: -3rem;
    right: -3rem;
    transform: translateY(-50%);
    display: flex;
    justify-content: space-between;
    pointer-events: none;
    z-index: 3;
}

.gallery-btn {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(18, 18, 18, 0.8);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-light);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
    pointer-events: auto;
}

.gallery-btn:hover {
    background-color: var(--color-gold);
    color: var(--color-bg-dark);
    border-color: transparent;
}

.gallery-btn svg {
    width: 20px;
    height: 20px;
}

.gallery-dots {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 2rem;
}

.gallery-dots .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: var(--transition-fast);
}

.gallery-dots .dot.active {
    background-color: var(--color-gold);
    width: 24px;
    border-radius: 4px;
}

/* ==========================================================================
   Section 3: Solutions in Locação (Público-Alvo)
   ========================================================================== */
.solutions-section {
    background-color: var(--color-bg-card-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    margin-top: 4rem;
}

.solution-card {
    height: 380px;
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition-smooth);
}

.card-bg-img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transition: var(--transition-smooth);
}

.solution-card:hover .card-bg-img {
    transform: scale(1.05);
}

.solution-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gold-gradient);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.solution-card:hover::after {
    transform: scaleX(1);
}

.solution-card:hover {
    border-color: rgba(197, 160, 89, 0.3);
    box-shadow: var(--shadow-luxury);
    transform: translateY(-5px);
}

.card-content {
    position: relative;
    z-index: 2;
    height: 100%;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.card-icon {
    margin-bottom: auto;
    color: var(--color-gold);
}

.card-icon svg {
    width: 36px;
    height: 36px;
}

.solution-card h3 {
    font-size: 1.8rem;
    margin-bottom: 0.75rem;
    color: var(--color-text-light);
}

.card-description {
    font-size: 0.85rem;
    font-weight: 300;
    color: var(--color-text-muted-light);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.card-link {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gold);
    display: flex;
    align-items: center;
}

.card-link:hover {
    color: var(--color-text-light);
}

/* ==========================================================================
   Section 4: Technical Trust
   ========================================================================== */
.technical-trust {
    background-color: var(--color-bg-dark);
}

.tech-image-container {
    position: relative;
    padding-right: 2rem;
}

.tech-image {
    width: 100%;
    height: 500px;
    object-fit: cover;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-luxury);
}

.overlay-glass-card {
    position: absolute;
    bottom: -2rem;
    right: 0;
    background: rgba(18, 18, 18, 0.75);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(197, 160, 89, 0.25);
    padding: 2rem;
    border-radius: var(--border-radius);
    max-width: 280px;
    box-shadow: var(--shadow-luxury);
}

.glass-number {
    font-family: var(--font-heading);
    font-size: 3rem;
    color: var(--color-gold);
    display: block;
    line-height: 1;
    margin-bottom: 0.5rem;
    font-weight: 400;
}

.glass-text {
    font-size: 0.8rem;
    color: var(--color-text-muted-light);
    line-height: 1.5;
}

.tech-content {
    padding-left: 2rem;
}

.tech-p {
    font-size: 1.05rem;
    color: var(--color-text-muted-light);
    line-height: 1.7;
    margin-bottom: 2rem;
    font-weight: 300;
}

.tech-features-accordion {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.accordion-item {
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 1rem;
}

.accordion-header {
    width: 100%;
    background: transparent;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    cursor: pointer;
    padding: 0.5rem 0;
    color: var(--color-text-light);
}

.acc-title {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.acc-icon {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    color: var(--color-gold);
    transition: var(--transition-smooth);
}

.accordion-body {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.accordion-body p {
    font-size: 0.85rem;
    color: var(--color-text-muted-light);
    line-height: 1.6;
    padding: 1rem 0 0.5rem;
}

/* Accordion Active States */
.accordion-item.active .acc-title {
    color: var(--color-gold-light);
}

.accordion-item.active .acc-icon {
    transform: rotate(45deg);
    color: var(--color-text-light);
}

.accordion-item.active .accordion-body {
    max-height: 200px; /* Limit height for transition to work */
}

/* ==========================================================================
   Interactive Quote Generator
   ========================================================================== */
.interactive-quote-section {
    background-color: var(--color-bg-card-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.quote-container {
    max-width: 800px;
}

.quote-form-wrapper {
    background-color: var(--color-bg-dark);
    border: 1px solid rgba(197, 160, 89, 0.15);
    padding: 4rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-luxury);
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-gold-light);
}

.form-control {
    background-color: var(--color-bg-card-dark);
    border: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-text-light);
    padding: 1rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    border-radius: var(--border-radius);
    transition: var(--transition-fast);
}

.form-control:focus {
    border-color: var(--color-gold);
    box-shadow: 0 0 0 1px var(--color-gold);
}

select.form-control {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%23c5a059' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 15px;
    padding-right: 2.5rem;
}

.radio-group {
    display: flex;
    gap: 1.5rem;
    margin-top: 0.5rem;
}

.radio-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    cursor: pointer;
    color: var(--color-text-muted-light);
    transition: var(--transition-fast);
}

.radio-label input[type="radio"] {
    appearance: none;
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: inline-grid;
    place-content: center;
    background-color: transparent;
    cursor: pointer;
    transition: var(--transition-fast);
}

.radio-label input[type="radio"]::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    transform: scale(0);
    transition: var(--transition-fast);
    background-color: var(--color-gold);
}

.radio-label input[type="radio"]:checked {
    border-color: var(--color-gold);
}

.radio-label input[type="radio"]:checked::before {
    transform: scale(1);
}

.radio-label:hover {
    color: var(--color-text-light);
}

.w-full-mobile {
    width: auto;
}

/* ==========================================================================
   Section 5: Depoimentos
   ========================================================================== */
.testimonials-section {
    background-color: var(--color-bg-dark);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.testimonial-card {
    background-color: var(--color-bg-card-dark);
    border: 1px solid rgba(255, 255, 255, 0.05);
    padding: 3.5rem;
    border-radius: var(--border-radius);
    position: relative;
    transition: var(--transition-smooth);
}

.testimonial-card:hover {
    border-color: rgba(197, 160, 89, 0.2);
    transform: translateY(-5px);
    box-shadow: var(--shadow-luxury);
}

.quote-mark {
    font-family: var(--font-heading);
    font-size: 5rem;
    color: rgba(197, 160, 89, 0.15);
    position: absolute;
    top: 1rem;
    left: 2rem;
    line-height: 1;
}

.rating-stars {
    color: var(--color-gold);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    letter-spacing: 0.15em;
}

.testimonial-text {
    font-size: 0.95rem;
    color: var(--color-text-muted-light);
    line-height: 1.7;
    margin-bottom: 2rem;
    font-weight: 300;
    position: relative;
    z-index: 2;
}

.testimonial-author {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 1.5rem;
}

.author-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-style: normal;
    font-weight: 500;
    color: var(--color-text-light);
    display: block;
    margin-bottom: 0.25rem;
}

.author-role {
    font-size: 0.75rem;
    color: var(--color-gold);
    letter-spacing: 0.05em;
    display: block;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.main-footer {
    background-color: #000000;
    border-top: 1px solid rgba(197, 160, 89, 0.15);
    padding: 5rem 0 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 2fr;
    gap: 4rem;
    padding-bottom: 4rem;
}

.footer-brand-section {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    letter-spacing: 0.15em;
    color: var(--color-text-light);
}

.footer-description {
    font-size: 0.85rem;
    color: var(--color-text-muted-light);
    line-height: 1.6;
    max-width: 320px;
}

.social-links {
    margin-top: 0.5rem;
}

.social-link {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.8rem;
    color: var(--color-gold-light);
}

.social-link:hover {
    color: var(--color-gold);
}

.social-icon {
    width: 18px;
    height: 18px;
}

.footer-links-section h4,
.footer-cta-section h4 {
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 1.5rem;
}

.footer-links-section ul {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-links-section a {
    font-size: 0.85rem;
    color: var(--color-text-muted-light);
}

.footer-links-section a:hover {
    color: var(--color-gold);
    padding-left: 5px;
}

.footer-cta-section {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
    align-items: flex-start;
}

.footer-cta-section p {
    font-size: 0.85rem;
    color: var(--color-text-muted-light);
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding: 2rem 0;
}

.footer-bottom-flex {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.75rem;
    color: var(--color-text-muted-dark);
}

/* ==========================================================================
   Floating WhatsApp Button
   ========================================================================== */
.floating-whatsapp-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--gold-gradient);
    color: var(--color-bg-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 10px 30px rgba(197, 160, 89, 0.4);
    z-index: 99;
    transition: var(--transition-smooth);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.whatsapp-icon {
    width: 26px;
    height: 26px;
}

.floating-whatsapp-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border-radius: 50%;
    border: 1px solid var(--color-gold);
    animation: ripple 2s infinite ease-in-out;
    opacity: 0.8;
    z-index: -1;
}

@keyframes ripple {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.6); opacity: 0; }
}

.floating-whatsapp-btn:hover {
    transform: translateY(-5px) scale(1.05);
    background: var(--gold-gradient-hover);
    box-shadow: 0 15px 35px rgba(197, 160, 89, 0.6);
}

.floating-tooltip {
    position: absolute;
    right: 75px;
    background-color: var(--color-bg-dark);
    color: var(--color-text-light);
    border: 1px solid var(--color-gold);
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition-smooth);
    pointer-events: none;
    box-shadow: var(--shadow-luxury);
}

.floating-whatsapp-btn:hover .floating-tooltip {
    opacity: 1;
    transform: translateX(0);
}

/* ==========================================================================
   Animations
   ========================================================================== */
.scroll-animate {
    opacity: 0;
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-animate.fade-in-up {
    transform: translateY(40px);
}

.scroll-animate.fade-in-left {
    transform: translateX(40px);
}

.scroll-animate.fade-in-right {
    transform: translateX(-40px);
}

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

/* Page load animations for Hero */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUpAnim 1.2s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeInUpAnim {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
    
    .grid-2 {
        gap: 2.5rem;
    }
    
    .gallery-slider-container {
        max-width: 100%;
    }
    
    .gallery-wrapper {
        height: 450px;
    }
    
    .gallery-controls {
        left: 1rem;
        right: 1rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 3rem;
    }
    
    .footer-cta-section {
        grid-column: span 2;
        align-items: center;
    }
}

@media (max-width: 768px) {
    section {
        padding: 5rem 0;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .grid-2 {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    /* Header menu mobile */
    .mobile-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--color-bg-dark);
        z-index: 99;
        transform: translateX(100%);
        transition: var(--transition-smooth);
        padding: 3rem 2rem;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    
    .nav-menu.open {
        transform: translateX(0);
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: flex-start;
        gap: 2.5rem;
    }
    
    .nav-link {
        font-size: 1.1rem;
    }
    
    .nav-link-cta {
        font-size: 1.1rem;
        display: inline-block;
        width: 100%;
        text-align: center;
    }
    
    /* Mobile Active State for Toggle */
    .mobile-toggle.open .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-toggle.open .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-toggle.open .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    /* Hero */
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 1rem;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }
    
    .hero-actions .btn {
        width: 100%;
    }
    
    /* Value proposition image */
    .val-image-wrapper {
        order: -1;
        padding: 0;
    }
    
    .val-image {
        height: 320px;
    }
    
    .gold-frame-effect {
        display: none;
    }
    
    /* Gallery */
    .gallery-wrapper {
        height: 320px;
    }
    
    .gallery-item-info h3 {
        font-size: 1.4rem;
    }
    
    /* Solutions */
    .solutions-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .solution-card {
        height: 320px;
    }
    
    .card-content {
        padding: 2rem;
    }
    
    /* Technical Trust */
    .tech-image-container {
        padding-right: 0;
    }
    
    .tech-image {
        height: 300px;
    }
    
    .overlay-glass-card {
        position: relative;
        bottom: 0;
        right: 0;
        max-width: 100%;
        margin-top: -2rem;
        z-index: 3;
    }
    
    .tech-content {
        padding-left: 0;
    }
    
    /* Form */
    .quote-form-wrapper {
        padding: 2rem 1.5rem;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .radio-group {
        flex-direction: column;
        gap: 1rem;
    }
    
    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .testimonial-card {
        padding: 2.5rem 1.5rem 1.5rem;
    }
    
    /* Footer */
    .footer-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-cta-section {
        grid-column: span 1;
        align-items: flex-start;
    }
    
    .footer-bottom-flex {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .w-full-mobile {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.8rem;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .brand-title {
        font-size: 1.25rem;
    }
    
    .brand-subtitle {
        font-size: 0.45rem;
        letter-spacing: 0.22em;
    }
    
    .floating-whatsapp-btn {
        bottom: 1rem;
        right: 1rem;
        width: 50px;
        height: 50px;
    }
    
    .floating-tooltip {
        display: none;
    }
}