/* ============================================
   AB ISOLATION - Main Stylesheet
   ============================================ */

/* CSS Variables */
:root {
    /* Primary - Dark Blue-Green */
    --primary: #183440;
    --primary-light: #1f4a5a;
    --primary-dark: #0f242c;
    --primary-bg: #e8f0f3;
    
    /* Secondary - Blue (trust, professionalism) */
    --secondary: #183440;
    --secondary-light: #2a5a6d;
    
    /* Dark theme */
    --dark: #183440;
    --dark-light: #1f4a5a;
    
    /* Neutrals */
    --gray-900: #212121;
    --gray-700: #616161;
    --gray-500: #9E9E9E;
    --gray-300: #E0E0E0;
    --gray-100: #F5F5F5;
    --white: #FFFFFF;
    
    /* Accent for urgency/important CTA */
    --accent: #FF6B00;
    --accent-hover: #FF8533;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
    
    /* Border radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Fonts */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-900);
    background-color: var(--white);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--gray-900);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
    margin-bottom: 1rem;
}

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

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

ul {
    list-style: none;
}

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

.text-center { text-align: center; }
.text-primary { color: var(--primary); }
.text-accent { color: var(--accent); }
.text-white { color: var(--white); }

/* Text on dark backgrounds */
.cta-section .text-primary,
.why-section .text-primary {
    color: #4fd1c5;
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

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

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

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

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

.btn-outline-light {
    background-color: transparent;
    color: var(--white);
    border-color: rgba(255,255,255,0.5);
}

.btn-outline-light:hover {
    background-color: var(--white);
    color: var(--dark);
    border-color: var(--white);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1rem;
}

/* ============================================
   Header
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 15px 0;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background-color: var(--dark);
    padding: 10px 0;
    box-shadow: var(--shadow-md);
}

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

.logo {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 65px;
    width: auto;
    transition: filter var(--transition-normal);
}

.header:not(.scrolled) .logo-img {
    filter: brightness(0) invert(1);
}

/* Navigation */
.nav {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 8px;
}

.nav-link {
    display: block;
    padding: 10px 16px;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--white);
    border-radius: var(--radius-sm);
    transition: all var(--transition-normal);
}

.nav-link:hover,
.nav-link.active {
    color: var(--white);
    opacity: 0.8;
}

/* Nav header - hidden on desktop */
.nav-header {
    display: none;
}

/* Dropdown */
.dropdown {
    position: relative;
}

.dropdown-arrow {
    font-size: 0.7rem;
    transition: transform var(--transition-normal);
}

.dropdown:hover .dropdown-arrow {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 200px;
    background-color: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-normal);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: block;
    padding: 12px 20px;
    color: var(--gray-900);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.dropdown-menu li a:hover {
    background-color: var(--primary-bg);
    color: var(--primary);
}

.dropdown-menu li:first-child a {
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.dropdown-menu li:last-child a {
    border-radius: 0 0 var(--radius-md) var(--radius-md);
}

/* Header CTA */
.header-cta {
    padding: 10px 24px;
}

/* Hamburger */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0;
}

.hamburger span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--white);
    transition: all var(--transition-normal);
}

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

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

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: #183440;
}

.hero-video-container {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-video {
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    object-fit: cover;
}

@media (max-width: 768px) {
    .hero-video {
        width: 100%;
        height: 100%;
        object-fit: contain;
    }
}

.hero-overlay {
    display: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    padding: 0 20px;
}

.hero-title {
    color: var(--white);
    margin-bottom: 10px;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--white);
    margin-bottom: 20px;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255,255,255,0.9);
    margin-bottom: 40px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    color: var(--white);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    opacity: 0.8;
}

.scroll-arrow {
    width: 24px;
    height: 24px;
    border-right: 2px solid var(--white);
    border-bottom: 2px solid var(--white);
    transform: rotate(45deg);
    animation: bounce 2s infinite;
}

/* ============================================
   Section Styling
   ============================================ */
section {
    padding: 80px 0;
}

.section-header {
    margin-bottom: 60px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background-color: var(--primary-bg);
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 600;
    border-radius: var(--radius-full);
    margin-bottom: 15px;
}

.section-tag-light {
    background-color: rgba(255,255,255,0.15);
    color: #4fd1c5;
}

.section-title {
    margin-bottom: 15px;
    position: relative;
    display: block;
}

.section-header.text-center .section-title::after {
    content: '';
    display: block;
    margin: 15px auto 0;
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 2px;
}

.section-header.text-center {
    margin-bottom: 70px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.section-header.text-center .section-tag {
    margin-bottom: 15px;
}

.section-subtitle {
    color: var(--gray-700);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

/* ============================================
   Trust Section
   ============================================ */
.trust-section {
    background: linear-gradient(135deg, var(--gray-100) 0%, var(--gray-300) 100%);
    padding: 60px 0;
}

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

.trust-item {
    text-align: center;
    padding: 30px 20px;
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.trust-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.trust-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto 15px;
    color: var(--primary);
}

.trust-icon svg {
    width: 100%;
    height: 100%;
}

.trust-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 5px;
}

.trust-label {
    color: var(--gray-700);
    font-size: 0.95rem;
}

/* ============================================
   About Section
   ============================================ */
.about-section {
    background-color: var(--white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-content .section-tag {
    margin-bottom: 10px;
}

.about-content .section-title {
    margin-bottom: 25px;
}

.about-text {
    color: var(--gray-700);
    margin-bottom: 15px;
}

.about-list {
    margin: 25px 0 30px;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 10px 0;
    color: var(--gray-700);
}

.about-list li svg {
    width: 20px;
    height: 20px;
    color: var(--primary);
    flex-shrink: 0;
}

.about-image,
.about-video {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.about-image::before,
.about-video::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100px;
    height: 100px;
    background-color: var(--primary);
    border-radius: var(--radius-lg);
    z-index: -1;
}

.about-image img,
.about-video video {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

/* ============================================
   Services Section
   ============================================ */
.services-section {
    background-color: var(--gray-100);
}

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

.service-card {
    background-color: var(--white);
    padding: 35px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary-bg);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    transition: all var(--transition-normal);
}

.service-card:hover .service-icon {
    background-color: var(--primary);
}

.service-icon svg {
    width: 30px;
    height: 30px;
    color: var(--primary);
    transition: color var(--transition-normal);
}

.service-card:hover .service-icon svg {
    color: var(--white);
}

.service-title {
    margin-bottom: 12px;
    color: var(--gray-900);
}

.service-description {
    color: var(--gray-700);
    font-size: 0.95rem;
    margin-bottom: 20px;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.95rem;
}

.service-link span {
    transition: transform var(--transition-normal);
}

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

.service-link:hover span {
    transform: translateX(5px);
}

/* ============================================
   Why Section
   ============================================ */
.why-section {
    background-color: var(--dark);
    padding: 100px 0;
}

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

.why-card {
    text-align: center;
    padding: 40px 25px;
    background-color: var(--dark-light);
    border-radius: var(--radius-lg);
    transition: all var(--transition-normal);
}

.why-card:hover {
    transform: translateY(-5px);
    background-color: rgba(255,255,255,0.05);
}

.why-icon {
    width: 70px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    background-color: var(--primary);
    border-radius: 50%;
}

.why-icon svg {
    width: 32px;
    height: 32px;
    color: var(--white);
}

.why-title {
    color: var(--white);
    margin-bottom: 12px;
    font-size: 1.2rem;
}

.why-description {
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}

/* ============================================
   Process Section - Zigzag Timeline
   ============================================ */
.process-section {
    background-color: var(--white);
    padding: 100px 0;
}

.process-steps {
    max-width: 1000px;
    margin: 0 auto;
}

.process-step {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 30px;
    align-items: start;
    margin-bottom: 0;
}

.process-step.last .step-center .step-line {
    display: none;
}

.step-card {
    padding: 30px;
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--gray-300);
}

.process-step:nth-child(odd) .step-card {
    text-align: right;
}

.process-step:nth-child(even) .step-card {
    text-align: left;
}

.step-spacer {
    min-height: 1px;
}

.step-center {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
}

.step-label {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary);
    margin-bottom: 8px;
    white-space: nowrap;
}

.step-icon-circle {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50%;
    border: 4px solid var(--white);
    box-shadow: var(--shadow-md);
    position: relative;
    z-index: 5;
}

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

.step-line {
    width: 3px;
    height: 120px;
    background-color: var(--primary);
    margin-top: 0;
}

.step-title {
    margin-bottom: 10px;
    font-size: 1.2rem;
    color: var(--gray-900);
}

.step-description {
    color: var(--gray-700);
    font-size: 0.95rem;
    margin-bottom: 0;
    line-height: 1.6;
}

/* ============================================
   Gallery Section
   ============================================ */
.gallery-section {
    background-color: var(--gray-100);
}

.gallery-slider {
    position: relative;
    overflow: hidden;
    margin-bottom: 40px;
}

/* Gallery Grid Layout */
.gallery-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    grid-auto-rows: 200px;
    gap: 15px;
}

.gallery-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.gallery-item.large {
    grid-column: span 2;
    grid-row: span 2;
}

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

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

.gallery-item {
    cursor: pointer;
}

/* Lightbox */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.95);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
}

.lightbox.active {
    display: flex;
}

.lightbox-content {
    max-width: 90%;
    max-height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-content img,
.lightbox-content video {
    max-width: 100%;
    max-height: 85vh;
    object-fit: contain;
}

.lightbox-close {
    position: absolute;
    top: 20px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--white);
    z-index: 10001;
}

.lightbox-close svg {
    width: 32px;
    height: 32px;
}

.lightbox-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background-color: rgba(255,255,255,0.1);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-normal);
}

.lightbox-nav:hover {
    background-color: rgba(255,255,255,0.2);
}

.lightbox-nav svg {
    width: 24px;
    height: 24px;
}

.lightbox-prev {
    left: 20px;
}

.lightbox-next {
    right: 20px;
}

.gallery-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--white);
    border: none;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    z-index: 10;
}

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

.gallery-btn:hover svg {
    color: var(--white);
}

.gallery-btn svg {
    width: 24px;
    height: 24px;
    color: var(--gray-900);
}

.gallery-prev {
    left: 20px;
}

.gallery-next {
    right: 20px;
}

.gallery-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.gallery-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--gray-300);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.gallery-dot.active {
    background-color: var(--primary);
}

/* ============================================
   Aides Section
   ============================================ */
.aides-section {
    background-color: var(--primary-bg);
}

.aides-content {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.aides-text .section-tag {
    margin-bottom: 10px;
}

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

.aides-text p {
    color: var(--gray-700);
    margin-bottom: 25px;
}

.aides-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background-color: var(--white);
}

.aides-image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    display: block;
}

.aides-images {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.aides-images img {
    width: 100%;
    height: 250px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

/* ============================================
   Testimonials Section
   ============================================ */
.testimonials-section {
    background-color: var(--white);
}

.testimonials-slider {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
}

.testimonials-track {
    display: flex;
    transition: transform var(--transition-slow);
}

.testimonial-item {
    flex: 0 0 100%;
    padding: 0 40px;
}

.testimonial-content {
    text-align: center;
    margin-bottom: 30px;
}

.testimonial-rating {
    display: flex;
    justify-content: center;
    gap: 5px;
    margin-bottom: 20px;
}

.testimonial-rating span {
    color: #FFB400;
    font-size: 1.3rem;
}

.testimonial-quote {
    font-size: 1.2rem;
    font-style: italic;
    color: var(--gray-700);
    line-height: 1.8;
    position: relative;
    padding: 0 30px;
}

.testimonial-quote::before,
.testimonial-quote::after {
    content: '"';
    font-size: 3rem;
    color: var(--primary-light);
    font-family: Georgia, serif;
    position: absolute;
    line-height: 1;
}

.testimonial-quote::before {
    top: -10px;
    left: 0;
}

.testimonial-quote::after {
    bottom: -30px;
    right: 0;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 15px;
}

.author-avatar {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--primary);
    color: var(--white);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    border-radius: 50%;
}

.author-info {
    text-align: left;
}

.author-info strong {
    display: block;
    color: var(--gray-900);
    font-size: 1rem;
}

.author-info span {
    color: var(--gray-500);
    font-size: 0.9rem;
}

.testimonials-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.testimonial-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--gray-300);
    cursor: pointer;
    transition: all var(--transition-normal);
}

.testimonial-dot.active {
    background-color: var(--primary);
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    position: relative;
    background-image: url('../assets/photos/insulation_spray.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    padding: 120px 0;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(24,52,64,0.95) 0%, rgba(31,74,90,0.85) 100%);
}

.cta-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.cta-title {
    color: var(--white);
    margin-bottom: 15px;
}

.cta-subtitle {
    color: rgba(255,255,255,0.9);
    font-size: 1.2rem;
    margin-bottom: 35px;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--dark);
    color: var(--white);
    padding: 80px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-logo {
    display: inline-block;
    margin-bottom: 20px;
}

.footer-logo img {
    height: 50px;
    filter: brightness(0) invert(1);
}

.footer-about p {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
    margin-bottom: 25px;
}

.footer-social {
    display: flex;
    gap: 15px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: rgba(255,255,255,0.1);
    border-radius: 50%;
    transition: all var(--transition-normal);
}

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

.footer-social svg {
    width: 18px;
    height: 18px;
    color: var(--white);
}

.footer-col h4 {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 25px;
}

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

.footer-links a {
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
    transition: all var(--transition-normal);
}

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

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 15px;
    color: rgba(255,255,255,0.7);
    font-size: 0.95rem;
}

.footer-contact svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    margin-top: 3px;
    color: var(--primary-light);
}

.footer-contact a {
    color: rgba(255,255,255,0.7);
}

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

.footer-bottom {
    padding: 25px 0;
    text-align: center;
}

.footer-bottom p {
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
    margin: 0;
}

/* ============================================
   WhatsApp Float
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #25D366;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(37,211,102,0.4);
    z-index: 999;
    transition: all var(--transition-normal);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37,211,102,0.5);
}

.whatsapp-float svg {
    width: 30px;
    height: 30px;
    color: var(--white);
}