:root {
    --color-dark: #1a1a1a;
    --color-dark-secondary: #242424;
    --color-dark-tertiary: #2e2e2e;
    --color-gray-900: #333333;
    --color-gray-800: #4a4a4a;
    --color-gray-700: #5a5a5a;
    --color-gray-600: #6e6e6e;
    --color-gray-500: #8a8a8a;
    --color-gray-400: #aaaaaa;
    --color-gray-300: #c8c8c8;
    --color-gray-200: #e0e0e0;
    --color-gray-100: #f0f0f0;
    --color-white: #ffffff;
    --color-accent: #2A9D8F;
    --color-accent-light: #3ab5a6;
    --color-accent-dark: #1f7a6f;
    --font-heading: 'Inter', sans-serif;
    --font-body: 'Inter', sans-serif;
    --fs-display: clamp(3rem, 6vw, 5.5rem);
    --fs-h1: clamp(2.4rem, 4.5vw, 4rem);
    --fs-h2: clamp(2rem, 3.5vw, 3rem);
    --fs-h3: clamp(1.4rem, 2vw, 1.75rem);
    --fs-h4: clamp(1.1rem, 1.5vw, 1.35rem);
    --fs-body: clamp(0.95rem, 1.1vw, 1.1rem);
    --fs-small: clamp(0.8rem, 0.9vw, 0.9rem);
    --fs-label: clamp(0.7rem, 0.8vw, 0.8rem);
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    --spacing-2xl: 8rem;
    --spacing-3xl: 12rem;
    --max-width: 1320px;
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-elegant: 0.8s cubic-bezier(0.16, 1, 0.3, 1);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
    --shadow-xl: 0 30px 80px rgba(0,0,0,0.2);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-xl: 24px;
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: var(--fs-body);
    line-height: 1.7;
    color: var(--color-gray-300);
    background-color: var(--color-dark);
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
}

html {
    overflow-x: hidden;
}

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

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

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

ul, ol {
    list-style: none;
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 clamp(1.5rem, 4vw, 3rem);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--fs-label);
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.section-label::before {
    content: '';
    display: block;
    width: 32px;
    height: 1px;
    background: var(--color-accent);
}

.section-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h2);
    font-weight: 700;
    line-height: 1.15;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
}

.section-title span {
    color: var(--color-accent);
}

.section-subtitle {
    font-size: var(--fs-body);
    color: var(--color-gray-500);
    max-width: 600px;
    line-height: 1.7;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2.25rem;
    font-size: var(--fs-small);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background: var(--color-accent-light);
    transform: translateY(-1px);
}

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

.btn-outline:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    transform: translateY(-2px);
}

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

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

.btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-fast);
}

.btn:hover svg {
    transform: translateX(4px);
}

/* ============================================
   HEADER / NAVIGATION
   ============================================ */

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.5rem 0;
    transition: all var(--transition-base);
}

.header.scrolled {
    padding: 0.75rem 0;
    background: rgba(26, 26, 26, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    overflow: visible;
    position: relative;
}

.header-logo img {
    height: 36px;
    width: auto;
    transition: height var(--transition-base);
}

.header.scrolled .header-logo img {
    height: 28px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-link {
    font-size: var(--fs-small);
    font-weight: 500;
    letter-spacing: 0.04em;
    color: rgba(255,255,255,0.7);
    position: relative;
    padding: 0.25rem 0;
    transition: color var(--transition-fast);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-white);
}

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

.nav-cta {
    padding: 0.65rem 1.5rem;
    background: var(--color-accent);
    color: var(--color-white);
    font-size: var(--fs-label);
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.nav-cta:hover {
    background: var(--color-accent-light);
    transform: translateY(-1px);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 4px 0;
    cursor: pointer;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    height: 2px;
    background: var(--color-white);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: flex-end;
    padding-bottom: var(--spacing-xl);
    overflow: hidden;
}

.hero-slider {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 1.2s ease;
}

.hero-slide.active {
    opacity: 1;
}

.hero-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    transform: scale(1.08);
    transition: transform 8s ease;
}

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

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to bottom,
        rgba(26, 26, 26, 0.3) 0%,
        rgba(26, 26, 26, 0.5) 40%,
        rgba(26, 26, 26, 0.85) 80%,
        rgba(26, 26, 26, 1) 100%
    );
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-label {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    font-size: var(--fs-label);
    font-weight: 600;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--spacing-md);
}

.hero-label::before {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--color-accent);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: var(--fs-display);
    font-weight: 800;
    line-height: 1.05;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    max-width: 800px;
}

.hero-title span {
    color: var(--color-accent);
}

.hero-description {
    font-size: clamp(1rem, 1.2vw, 1.15rem);
    color: var(--color-gray-400);
    max-width: 520px;
    line-height: 1.8;
    margin-bottom: var(--spacing-lg);
}

.hero-actions {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

.hero-slider-nav {
    position: absolute;
    bottom: var(--spacing-xl);
    right: clamp(1.5rem, 4vw, 3rem);
    z-index: 3;
    display: flex;
    gap: 0.75rem;
}

.hero-slider-dot {
    width: 40px;
    height: 3px;
    background: rgba(255,255,255,0.25);
    border-radius: 2px;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.hero-slider-dot::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: var(--color-accent);
    border-radius: 2px;
}

.hero-slider-dot.active::after {
    animation: sliderProgress 6s linear forwards;
}

@keyframes sliderProgress {
    to { width: 100%; }
}

.hero-scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    opacity: 0.4;
    transition: opacity var(--transition-fast);
}

.hero-scroll-indicator:hover {
    opacity: 0.8;
}

.hero-scroll-indicator span {
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--color-white);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-accent), transparent);
    animation: scrollPulse 2s ease infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.6); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ============================================
   CATEGORIES BAR
   ============================================ */

.categories-bar {
    padding: var(--spacing-xl) 0;
    background: var(--color-dark);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1px;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.category-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    padding: 2rem 1rem;
    background: var(--color-dark);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
}

.category-item::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
}

.category-item:hover {
    background: var(--color-dark-secondary);
}

.category-item:hover::after {
    width: 40px;
}

.category-icon {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: rgba(42, 157, 143, 0.08);
    color: var(--color-accent);
    transition: all var(--transition-base);
}

.category-item:hover .category-icon {
    background: rgba(42, 157, 143, 0.15);
    transform: translateY(-4px);
}

.category-icon svg {
    width: 22px;
    height: 22px;
}

.category-name {
    font-size: var(--fs-label);
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.category-item:hover .category-name {
    color: var(--color-white);
}

/* ============================================
   ABOUT SECTION (Home)
   ============================================ */

.about-home {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.about-home-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-home-content {
    padding-right: var(--spacing-lg);
}

.about-home-text {
    color: var(--color-gray-400);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255,255,255,0.08);
}

.stat-item {
    text-align: left;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: var(--fs-h2);
    font-weight: 800;
    color: var(--color-white);
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-number span {
    color: var(--color-accent);
    font-size: 0.6em;
}

.stat-label {
    font-size: var(--fs-label);
    color: var(--color-gray-600);
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.about-home-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
}

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

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

.about-home-image::after {
    content: '';
    position: absolute;
    inset: 0;
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-lg);
    pointer-events: none;
}

/* ============================================
   PRODUCTS GRID
   ============================================ */

.products-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-dark-secondary);
    position: relative;
}

.products-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(42,157,143,0.3), transparent);
}

.products-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.products-grid .product-card:first-child {
    grid-column: 1 / -1;
}

.product-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    group: true;
}

.product-card .product-image {
    width: 100%;
    aspect-ratio: 16/10;
    overflow: hidden;
}

.product-card:first-child .product-image {
    aspect-ratio: 21/9;
}

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

.product-card:hover .product-image img {
    transform: scale(1.06);
}

.product-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(26, 26, 26, 0.9) 0%,
        rgba(26, 26, 26, 0.3) 40%,
        transparent 70%
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    transition: all var(--transition-base);
}

.product-card:hover .product-card-overlay {
    background: linear-gradient(
        to top,
        rgba(26, 26, 26, 0.95) 0%,
        rgba(26, 26, 26, 0.4) 50%,
        rgba(26, 26, 26, 0.1) 70%
    );
}

.product-card-number {
    font-size: var(--fs-label);
    font-weight: 700;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    margin-bottom: 0.5rem;
}

.product-card-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h4);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.product-card-desc {
    font-size: var(--fs-small);
    color: var(--color-gray-500);
    max-width: 400px;
    line-height: 1.6;
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--transition-base);
}

.product-card:hover .product-card-desc {
    opacity: 1;
    transform: translateY(0);
}

.product-card-arrow {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border-radius: 50%;
    color: var(--color-white);
    opacity: 0;
    transform: translateY(-10px);
    transition: all var(--transition-base);
}

.product-card:hover .product-card-arrow {
    opacity: 1;
    transform: translateY(0);
}

.product-card-arrow svg {
    width: 18px;
    height: 18px;
}

/* ============================================
   DIFFERENTIALS
   ============================================ */

.differentials {
    padding: var(--spacing-3xl) 0;
    position: relative;
}

.differentials-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: var(--spacing-xl);
}

.differential-card {
    padding: 2.5rem 2rem;
    background: var(--color-dark-secondary);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.differential-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--color-accent);
    transform: scaleX(0);
    transition: transform var(--transition-base);
}

.differential-card:hover {
    border-color: rgba(42, 157, 143, 0.2);
    transform: translateY(-4px);
}

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

.differential-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(42, 157, 143, 0.08);
    border-radius: var(--radius-md);
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.differential-icon svg {
    width: 24px;
    height: 24px;
}

.differential-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h4);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.75rem;
}

.differential-text {
    font-size: var(--fs-small);
    color: var(--color-gray-500);
    line-height: 1.7;
}

/* ============================================
   CASES / PORTFOLIO
   ============================================ */

.cases-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-dark-secondary);
    position: relative;
}

.cases-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(42,157,143,0.3), transparent);
}

.cases-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.case-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    cursor: pointer;
    aspect-ratio: 3/4;
}

.case-card img {
    width: 120%;
    height: 120%;
    margin: -10%;
    object-fit: cover;
    transition: transform var(--transition-elegant);
}

.case-card:hover img {
    transform: scale(1.08);
}

.case-card-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        to top,
        rgba(26, 26, 26, 0.95) 0%,
        rgba(26, 26, 26, 0.2) 50%,
        transparent 70%
    );
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    transition: all var(--transition-base);
}

.case-card-tag {
    display: inline-flex;
    align-items: center;
    padding: 0.35rem 0.75rem;
    background: rgba(42, 157, 143, 0.15);
    border: 1px solid rgba(42, 157, 143, 0.3);
    border-radius: 100px;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
    width: fit-content;
}

.case-card-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h4);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.case-card-location {
    font-size: var(--fs-small);
    color: var(--color-gray-500);
}

/* ============================================
   CTA SECTION
   ============================================ */

.cta-section {
    padding: var(--spacing-3xl) 0;
    text-align: center;
    position: relative;
}

.cta-section::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(255,255,255,0.06), transparent);
    pointer-events: none;
}

.cta-content {
    position: relative;
    z-index: 1;
}

.cta-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h1);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.cta-text {
    font-size: var(--fs-body);
    color: var(--color-gray-500);
    max-width: 500px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.7;
}

.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.25rem;
    flex-wrap: wrap;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    padding: var(--spacing-xl) 0 var(--spacing-md);
    background: var(--color-dark-secondary);
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.footer-brand p {
    color: var(--color-gray-600);
    font-size: var(--fs-small);
    margin-top: 1.5rem;
    max-width: 300px;
    line-height: 1.7;
}

.footer-brand img {
    height: 32px;
}

.footer-title {
    font-size: var(--fs-label);
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-gray-400);
    margin-bottom: 1.5rem;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    font-size: var(--fs-small);
    color: var(--color-gray-600);
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-accent);
    padding-left: 4px;
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: var(--fs-small);
    color: var(--color-gray-500);
}

.footer-contact-item svg {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.footer-copy {
    font-size: var(--fs-label);
    color: var(--color-gray-700);
}

.footer-dev {
    font-size: var(--fs-label);
    color: var(--color-gray-700);
}

.footer-dev a {
    color: var(--color-accent);
    font-weight: 600;
}

/* ============================================
   WHATSAPP FLOAT
   ============================================ */

.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 999;
    width: 56px;
    height: 56px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35);
    transition: all var(--transition-fast);
    animation: whatsappPulse 3s ease infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.45);
}

.whatsapp-float svg {
    width: 28px;
    height: 28px;
    fill: white;
}

@keyframes whatsappPulse {
    0%, 100% { box-shadow: 0 6px 20px rgba(37, 211, 102, 0.35); }
    50% { box-shadow: 0 6px 30px rgba(37, 211, 102, 0.55), 0 0 0 8px rgba(37, 211, 102, 0.1); }
}

/* ============================================
   PAGE HERO (inner pages)
   ============================================ */

.page-hero {
    padding: calc(var(--spacing-3xl) + 60px) 0 var(--spacing-xl);
    background: var(--color-dark);
    position: relative;
    overflow: hidden;
}

.page-hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(42,157,143,0.3), transparent);
}

.page-hero-content {
    position: relative;
    z-index: 1;
}

.page-hero .section-label {
    margin-bottom: var(--spacing-sm);
}

.page-hero-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h1);
    font-weight: 800;
    color: var(--color-white);
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
}

.page-hero-subtitle {
    font-size: var(--fs-body);
    color: var(--color-gray-500);
    max-width: 600px;
    line-height: 1.7;
}

/* ============================================
   EMPRESA PAGE
   ============================================ */

.historia-section {
    padding: var(--spacing-3xl) 0;
}

.historia-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.historia-text p {
    color: var(--color-gray-400);
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.historia-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.historia-image img {
    width: 120%;
    height: 120%;
    margin: -10%;
    object-fit: cover;
}

.timeline-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-dark-secondary);
}

.timeline {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: var(--spacing-xl);
    position: relative;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 28px;
    left: 0;
    right: 0;
    height: 1px;
    background: rgba(255,255,255,0.08);
}

.timeline-step {
    text-align: center;
    position: relative;
    padding-top: 3.5rem;
}

.timeline-step-number {
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-dark);
    border: 2px solid var(--color-accent);
    border-radius: 50%;
    font-family: var(--font-heading);
    font-size: var(--fs-small);
    font-weight: 800;
    color: var(--color-accent);
    z-index: 1;
}

.timeline-step-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h4);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.5rem;
    margin-top: 1rem;
}

.timeline-step-text {
    font-size: var(--fs-small);
    color: var(--color-gray-500);
    line-height: 1.6;
}

.materiais-section {
    padding: var(--spacing-3xl) 0;
}

.materiais-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem;
    margin-top: var(--spacing-xl);
}

.material-card {
    padding: 2rem 1.5rem;
    background: var(--color-dark-secondary);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    text-align: center;
    transition: all var(--transition-base);
}

.material-card:hover {
    border-color: rgba(42, 157, 143, 0.2);
    transform: translateY(-4px);
}

.material-card-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.material-card-name {
    font-size: var(--fs-small);
    font-weight: 700;
    color: var(--color-white);
    letter-spacing: 0.04em;
}

/* ============================================
   PRODUTOS PAGE
   ============================================ */

.produtos-filter {
    padding: var(--spacing-lg) 0;
    position: sticky;
    top: 70px;
    z-index: 50;
    background: var(--color-dark);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.filter-tags {
    display: flex;
    gap: 0.75rem;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: none;
}

.filter-tags::-webkit-scrollbar {
    display: none;
}

.filter-tag {
    padding: 0.5rem 1.25rem;
    font-size: var(--fs-label);
    font-weight: 600;
    letter-spacing: 0.06em;
    color: var(--color-gray-500);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 100px;
    white-space: nowrap;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.filter-tag:hover,
.filter-tag.active {
    color: var(--color-white);
    border-color: var(--color-accent);
    background: rgba(42, 157, 143, 0.1);
}

.produtos-catalog {
    padding: var(--spacing-xl) 0 var(--spacing-3xl);
}

.produto-category {
    margin-bottom: var(--spacing-3xl);
    scroll-margin-top: 140px;
}

.produto-category-header {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.produto-category-number {
    font-family: var(--font-heading);
    font-size: var(--fs-h2);
    font-weight: 800;
    color: rgba(42, 157, 143, 0.2);
    line-height: 1;
}

.produto-category-info h2 {
    font-family: var(--font-heading);
    font-size: var(--fs-h3);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.25rem;
}

.produto-category-info p {
    font-size: var(--fs-small);
    color: var(--color-gray-500);
}

.produto-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.produto-gallery-item {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    cursor: pointer;
    position: relative;
}

.produto-gallery-item img {
    width: 120%;
    height: 120%;
    margin: -10%;
    object-fit: cover;
    transition: transform var(--transition-elegant);
}

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

/* ============================================
   SERVICOS PAGE
   ============================================ */

.servicos-grid {
    padding: var(--spacing-3xl) 0;
}

.servico-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
}

.servico-block:nth-child(even) {
    direction: rtl;
}

.servico-block:nth-child(even) > * {
    direction: ltr;
}

.servico-number {
    font-family: var(--font-heading);
    font-size: clamp(4rem, 8vw, 6rem);
    font-weight: 900;
    color: rgba(42, 157, 143, 0.08);
    line-height: 1;
    margin-bottom: 1rem;
}

.servico-title {
    font-family: var(--font-heading);
    font-size: var(--fs-h3);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.servico-text {
    color: var(--color-gray-400);
    line-height: 1.8;
    margin-bottom: 2rem;
}

.servico-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.servico-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   CONTATO PAGE
   ============================================ */

.contato-section {
    padding: var(--spacing-3xl) 0;
}

.contato-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xl);
}

.contato-info-card {
    padding: 2rem;
    background: var(--color-dark-secondary);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    margin-bottom: 1.5rem;
}

.contato-info-card h3 {
    font-family: var(--font-heading);
    font-size: var(--fs-h4);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 1rem;
}

.contato-info-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255,255,255,0.04);
    font-size: var(--fs-small);
    color: var(--color-gray-400);
}

.contato-info-item:last-child {
    border-bottom: none;
}

.contato-info-item svg {
    width: 18px;
    height: 18px;
    color: var(--color-accent);
    flex-shrink: 0;
}

.contato-form {
    padding: 3rem;
    background: var(--color-dark-secondary);
    border: 1px solid rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
}

.contato-form h3 {
    font-family: var(--font-heading);
    font-size: var(--fs-h3);
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.contato-form > p {
    font-size: var(--fs-small);
    color: var(--color-gray-500);
    margin-bottom: 2rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: var(--fs-label);
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--color-gray-400);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.9rem 1.25rem;
    font-family: var(--font-body);
    font-size: var(--fs-small);
    color: var(--color-white);
    background: rgba(255,255,255,0.04);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--transition-fast);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-700);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    background: rgba(42, 157, 143, 0.04);
    box-shadow: 0 0 0 3px rgba(42, 157, 143, 0.1);
}

.form-group textarea {
    min-height: 140px;
    resize: vertical;
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238a8a8a' stroke-width='1.5' fill='none'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-group select option {
    background: var(--color-dark);
    color: var(--color-white);
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

.reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-left.visible {
    opacity: 1;
    transform: translateX(0);
}

.reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-right.visible {
    opacity: 1;
    transform: translateX(0);
}

.stagger > * {
    transition-delay: calc(var(--i, 0) * 0.1s);
}

/* ============================================
   LIGHTBOX
   ============================================ */

.lightbox {
    position: fixed;
    inset: 0;
    z-index: 9999;
    background: rgba(0,0,0,0.95);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
}

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

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.lightbox-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

.lightbox-close:hover {
    opacity: 1;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 1024px) {
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 320px;
        height: 100vh;
        background: var(--color-dark-secondary);
        flex-direction: column;
        align-items: flex-start;
        padding: 6rem 2rem 2rem;
        gap: 1.5rem;
        transition: right var(--transition-base);
        border-left: 1px solid rgba(255,255,255,0.05);
    }

    .nav-menu.open {
        right: 0;
    }

    .menu-toggle {
        display: flex;
    }

    .categories-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .about-home-grid,
    .historia-grid,
    .servico-block,
    .contato-grid {
        grid-template-columns: 1fr;
    }

    .about-home-content {
        padding-right: 0;
    }

    .servico-block:nth-child(even) {
        direction: ltr;
    }

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

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

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

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

@media (max-width: 768px) {
    .hero {
        min-height: 600px;
        align-items: flex-end;
        padding-bottom: var(--spacing-lg);
    }

    .hero-slider-nav {
        display: none;
    }

    .hero-scroll-indicator {
        display: none;
    }

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

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

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

    .case-card {
        aspect-ratio: 16/10;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-sm);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .contato-form {
        padding: 2rem 1.5rem;
    }

    .timeline {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .timeline::before {
        top: 0;
        bottom: 0;
        left: 28px;
        right: auto;
        width: 1px;
        height: auto;
    }

    .timeline-step {
        text-align: left;
        padding-top: 0;
        padding-left: 4.5rem;
    }

    .timeline-step-number {
        left: 0;
        top: 50%;
        transform: translateY(-50%);
    }

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

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
        align-items: flex-start;
        width: 100%;
    }

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

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

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

    .cta-actions {
        flex-direction: column;
    }

    .cta-actions .btn {
        width: 100%;
        justify-content: center;
    }
}

/* ============================================
   PREMIUM UPGRADE: LOADING SCREEN
   ============================================ */

.loader {
    position: fixed;
    inset: 0;
    z-index: 99999;
    background: var(--color-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    gap: 2rem;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader-logo {
    width: 120px;
    opacity: 0;
    animation: loaderReveal 1s cubic-bezier(0.16, 1, 0.3, 1) 0.2s forwards;
}

.loader-bar {
    width: 120px;
    height: 2px;
    background: rgba(255,255,255,0.08);
    border-radius: 2px;
    overflow: hidden;
    opacity: 0;
    animation: loaderReveal 0.6s ease 0.5s forwards;
}

.loader-bar-fill {
    height: 100%;
    width: 0;
    background: var(--color-accent);
    border-radius: 2px;
    animation: loaderFill 1.5s cubic-bezier(0.4, 0, 0.2, 1) 0.6s forwards;
}

@keyframes loaderReveal {
    to { opacity: 1; }
}

@keyframes loaderFill {
    to { width: 100%; }
}

/* ============================================
   PREMIUM: SCROLL PROGRESS BAR
   ============================================ */

.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
    z-index: 10000;
    transition: none;
}

/* ============================================
   PREMIUM: HERO CINEMATIC ANIMATIONS
   ============================================ */

.hero-label,
.hero-title,
.hero-description,
.hero-actions {
    opacity: 0;
    transform: translateY(30px);
}

.hero-loaded .hero-label {
    animation: heroReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.3s forwards;
}

.hero-loaded .hero-title {
    animation: heroReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.5s forwards;
}

.hero-loaded .hero-description {
    animation: heroReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.7s forwards;
}

.hero-loaded .hero-actions {
    animation: heroReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) 0.9s forwards;
}

.hero-loaded .hero-slider-nav {
    animation: heroReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) 1.1s forwards;
}

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

/* Cursor personalizado removido */

/* ============================================
   PREMIUM: SPLIT TEXT REVEAL
   ============================================ */

.split-word {
    display: inline-block;
    overflow: hidden;
}

.split-word-inner {
    display: inline-block;
    transform: translateY(110%);
    transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.split-word.visible .split-word-inner {
    transform: translateY(0);
}

/* ============================================
   PREMIUM: SECTION LABEL ANIMATED LINE
   ============================================ */

.section-label::before {
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1) 0.2s;
}

.visible .section-label::before,
.section-label.visible::before {
    transform: scaleX(1);
}

/* ============================================
   PREMIUM: DIFFERENTIAL CARDS BORDER GLOW
   ============================================ */

.differential-card {
    position: relative;
}

.differential-card::after {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, transparent 40%, rgba(42, 157, 143, 0.15) 50%, transparent 60%);
    background-size: 200% 200%;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.differential-card:hover::after {
    opacity: 1;
    animation: borderGlow 3s ease infinite;
}

@keyframes borderGlow {
    0%, 100% { background-position: 0% 0%; }
    50% { background-position: 100% 100%; }
}

/* ============================================
   PREMIUM: SVG ICON DRAW ANIMATION
   ============================================ */

.differential-icon svg path,
.differential-icon svg circle,
.differential-icon svg rect {
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    transition: stroke-dashoffset 1s cubic-bezier(0.16, 1, 0.3, 1);
}

.differential-card.visible .differential-icon svg path,
.differential-card.visible .differential-icon svg circle,
.differential-card.visible .differential-icon svg rect {
    stroke-dashoffset: 0;
}

/* ============================================
   PREMIUM: PRODUCT CARDS ENHANCED
   ============================================ */

.product-card .product-card-overlay {
    backdrop-filter: blur(0px);
    transition: all var(--transition-base), backdrop-filter 0.6s ease;
}

.product-card:hover .product-card-overlay {
    backdrop-filter: blur(4px);
}

.product-card-number {
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
}

.product-card:hover .product-card-number {
    transform: scale(1.3);
}

/* ============================================
   PREMIUM: CASE CARDS ENHANCED
   ============================================ */

.case-card {
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.case-card:hover {
    transform: scale(1.02);
}

.case-card img {
    filter: saturate(0.7);
    transition: transform var(--transition-elegant), filter 0.6s ease;
}

.case-card:hover img {
    filter: saturate(1.1);
}

/* CTA section — clean, no glow */

/* ============================================
   PREMIUM: BUTTON MAGNETIC + RIPPLE
   ============================================ */

.btn {
    position: relative;
    overflow: hidden;
}

.btn-ripple {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: scale(0);
    animation: ripple 0.6s ease-out;
    pointer-events: none;
}

@keyframes ripple {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* ============================================
   PREMIUM: BACK TO TOP WITH PROGRESS RING
   ============================================ */

.back-to-top {
    position: fixed;
    bottom: 2rem;
    left: 2rem;
    z-index: 998;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 50%;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    backdrop-filter: blur(8px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: rgba(42, 157, 143, 0.1);
    border-color: rgba(42, 157, 143, 0.3);
    transform: translateY(-2px);
}

.back-to-top svg:first-child {
    display: none;
}

.back-to-top-arrow {
    width: 14px;
    height: 14px;
    color: var(--color-gray-400);
    transition: color 0.3s ease;
}

.back-to-top:hover .back-to-top-arrow {
    color: var(--color-accent);
}

/* ============================================
   PREMIUM: FOOTER ENHANCEMENTS
   ============================================ */

.footer-brand img {
    transition: filter 0.4s ease;
}

.footer-brand img:hover {
    filter: drop-shadow(0 0 12px rgba(42, 157, 143, 0.3));
}

.footer-links a {
    position: relative;
}

.footer-links a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-accent);
    transition: width 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.footer-links a:hover {
    padding-left: 0;
}

/* ============================================
   PREMIUM: PARALLAX IMAGES
   ============================================ */

.parallax-img {
    will-change: transform;
}

/* ============================================
   PREMIUM: REDUCED MOTION
   ============================================ */

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal, .reveal-left, .reveal-right {
        opacity: 1;
        transform: none;
    }

    .hero-label, .hero-title, .hero-description, .hero-actions {
        opacity: 1;
        transform: none;
    }

}

/* ============================================
   PREMIUM: MOBILE CURSOR DISABLE
   ============================================ */

@media (max-width: 768px) {

    body {
        cursor: auto;
    }

    a, button {
        cursor: pointer;
    }
}