/* ==========================================================================
   Kleaners Landing Page Stylesheet
   Design System: Corporate Premium Tech
   ========================================================================== */

/* Variables & Tokens */
:root {
    --font-primary: 'Outfit', sans-serif;
    
    /* Colors */
    --color-navy: #0a192f;
    --color-navy-light: #112240;
    --color-navy-dark: #020c1b;
    --color-cyan: #00b4d8;
    --color-cyan-hover: #0077b6;
    --color-cyan-bright: #00f5d4;
    --color-blue-dark: #03045e;
    
    --color-text-dark: #0f172a;
    --color-text-muted: #64748b;
    --color-text-light: #f8fafc;
    
    --color-bg-light: #f8fafc;
    --color-bg-alt: #f1f5f9;
    --color-white: #ffffff;
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 20px rgba(10, 25, 47, 0.08);
    --shadow-lg: 0 20px 40px rgba(10, 25, 47, 0.12);
    --shadow-cyan: 0 10px 25px rgba(0, 180, 216, 0.3);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    height: 100%;
}

body {
    font-family: var(--font-primary);
    color: var(--color-text-dark);
    background-color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

section {
    padding: 100px 0;
    position: relative;
}

.text-center {
    text-align: center;
}

/* Typography */
h1, h2, h3, h4 {
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-navy);
}

p {
    color: var(--color-text-muted);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: var(--font-primary);
    font-weight: 600;
    padding: 12px 28px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
    text-decoration: none;
    border: none;
    font-size: 0.95rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-cyan) 0%, #0096c7 100%);
    color: var(--color-white);
    box-shadow: var(--shadow-cyan);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 180, 216, 0.4);
}

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

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

.btn-outline {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

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

.btn-block {
    display: flex;
    width: 100%;
}

.btn-whatsapp {
    background-color: #25D366;
    color: var(--color-white);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    background-color: #20ba5a;
    transform: translateY(-2px);
    box-shadow: 0 12px 25px rgba(37, 211, 102, 0.4);
}

.btn-lg {
    padding: 16px 36px;
    font-size: 1.05rem;
}

/* Glassmorphism utility */
.glass {
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: var(--shadow-md);
}

/* Hover lift transition */
.hover-lift {
    transition: var(--transition-normal);
}

.hover-lift:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

/* Section Headers */
.section-header {
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 16px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-cyan), var(--color-cyan-bright));
    margin: 12px auto 0;
    border-radius: 2px;
}

.section-header.text-center .section-title::after {
    margin-left: auto;
    margin-right: auto;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-muted);
}

/* Header Styles */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-normal);
    padding: 20px 0;
    background-color: transparent;
}

.main-header.scrolled {
    padding: 12px 0;
    background-color: rgba(10, 25, 47, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-md);
}

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

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

.logo-img {
    height: 48px;
    max-width: 180px;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0,0,0,0.1));
}

/* Logo fallback if image doesn't exist */
.logo-fallback {
    font-size: 1.8rem;
    font-weight: 800;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
}

.logo-k {
    color: var(--color-cyan);
    font-size: 2.2rem;
}

.logo-leaners {
    color: var(--color-text-light);
}

/* For footer, adjust fallback logo color */
.footer-logo .logo-leaners {
    color: var(--color-navy);
}

.nav-menu {
    display: flex;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 32px;
}

.nav-item {
    color: var(--color-text-light);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition-fast);
    position: relative;
    padding: 8px 0;
}

/* Switch navigation text color on white page if header is transparent, 
   but for simplicity, header text is white and contrast with background is secured. */
.main-header.scrolled .nav-item {
    color: rgba(255, 255, 255, 0.85);
}

.nav-item:hover, .nav-item.active {
    color: var(--color-cyan-bright) !important;
}

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

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

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

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    z-index: 1001;
}

.mobile-toggle .bar {
    width: 28px;
    height: 3px;
    background-color: var(--color-white);
    border-radius: 2px;
    transition: var(--transition-fast);
}

/* Mobile Toggle animations */
.mobile-toggle.open .bar:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}
.mobile-toggle.open .bar:nth-child(2) {
    opacity: 0;
}
.mobile-toggle.open .bar:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -7px);
}

/* Hero Section */
.hero-section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    color: var(--color-white);
    position: relative;
    padding-top: 140px;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    z-index: -1;
    /* Default fallback gradient if image fails */
    background-color: var(--color-navy);
}

.hero-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
    z-index: 2;
}

.hero-content {
    max-width: 650px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(0, 180, 216, 0.15);
    border: 1px solid rgba(0, 180, 216, 0.4);
    padding: 8px 16px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-cyan-bright);
    margin-bottom: 24px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: 20px;
    line-height: 1.15;
}

.hero-desc {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 40px;
}

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

.hero-visual {
    display: flex;
    justify-content: flex-end;
}

/* Floating drone card */
.drone-card {
    width: 320px;
    padding: 24px;
    border-radius: 16px;
    box-shadow: 0 30px 60px rgba(0,0,0,0.4);
    color: var(--color-navy);
    border: 1px solid rgba(255,255,255,0.25);
}

.drone-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(10, 25, 47, 0.1);
    padding-bottom: 16px;
}

.drone-icon {
    font-size: 2.2rem;
    color: var(--color-cyan);
}

.drone-card-header h4 {
    font-size: 1.2rem;
    margin-bottom: 2px;
}

.drone-card-header p {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-cyan);
    letter-spacing: 0.5px;
}

.drone-stats {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.drone-stats li {
    display: flex;
    justify-content: space-between;
    font-size: 0.9rem;
    font-weight: 500;
}

.drone-stats .label {
    color: var(--color-text-muted);
}

.drone-stats .value {
    font-weight: 700;
    color: var(--color-navy);
}

.drone-stats .accent-green {
    color: #25D366;
}

/* Wave shape divider */
.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    z-index: 1;
}

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

.hero-wave .shape-fill {
    fill: var(--color-white);
}

/* Keyframe animations */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
    100% { transform: translateY(0px); }
}

.animate-float {
    animation: float 5s ease-in-out infinite;
}

/* Benefits Section */
.benefits-section {
    background-color: var(--color-white);
}

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

.benefit-card {
    padding: 40px;
    border-radius: 16px;
    border: 1px solid rgba(10, 25, 47, 0.05);
    background-color: var(--color-bg-light);
    text-align: center;
}

.benefit-icon-wrapper {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(0, 180, 216, 0.1) 0%, rgba(0, 245, 212, 0.1) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 28px;
    color: var(--color-cyan);
    font-size: 2.2rem;
    box-shadow: 0 10px 20px rgba(0, 180, 216, 0.05);
}

.benefit-card h3 {
    font-size: 1.4rem;
    margin-bottom: 16px;
}

.benefit-card p {
    font-size: 0.95rem;
}

/* Buildings Section */
.buildings-section {
    background-color: var(--color-bg-alt);
}

.buildings-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-bottom: 50px;
}

.building-card {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    height: 280px;
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
}

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

.building-img-placeholder {
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-color: var(--color-navy);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 30px;
    color: var(--color-white);
    transition: var(--transition-normal);
}

.building-icon {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 50px;
    height: 50px;
    background-color: rgba(0, 180, 216, 0.85);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
}

.building-info h3 {
    font-size: 1.35rem;
    color: var(--color-white);
    margin-bottom: 8px;
}

.building-info p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.9rem;
}

.buildings-footer-text {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    border-radius: 12px;
    background: rgba(0, 180, 216, 0.05);
    border: 1px dashed rgba(0, 180, 216, 0.2);
    color: var(--color-navy);
}

.buildings-footer-text i {
    color: var(--color-cyan);
    margin-right: 6px;
}

/* Process Section */
.process-section {
    background-color: var(--color-white);
}

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

/* Connector line */
.process-timeline::before {
    content: '';
    position: absolute;
    top: 40px;
    left: 10%;
    right: 10%;
    height: 2px;
    background-color: rgba(0, 180, 216, 0.15);
    z-index: 1;
}

.process-step {
    text-align: center;
    z-index: 2;
}

.process-badge {
    width: 80px;
    height: 80px;
    background-color: var(--color-white);
    border: 3px solid var(--color-bg-alt);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    font-weight: 800;
    font-size: 1.6rem;
    color: var(--color-navy-light);
    transition: var(--transition-normal);
    box-shadow: var(--shadow-sm);
}

.process-step:hover .process-badge {
    color: var(--color-white);
    background-color: var(--color-cyan);
    border-color: var(--color-cyan);
    transform: scale(1.1);
    box-shadow: var(--shadow-cyan);
}

.process-content h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.process-content p {
    font-size: 0.9rem;
}

/* Gallery Section (Before / After Slider) */
.gallery-section {
    background-color: var(--color-bg-light);
}

.gallery-tabs {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 40px;
}

.tab-btn {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 1rem;
    padding: 12px 28px;
    border-radius: 50px;
    border: 1px solid rgba(0, 180, 216, 0.25);
    background-color: var(--color-white);
    color: var(--color-navy);
    cursor: pointer;
    transition: var(--transition-fast);
}

.tab-btn:hover {
    border-color: var(--color-cyan);
    color: var(--color-cyan);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--color-cyan) 0%, #0096c7 100%);
    color: var(--color-white);
    border-color: var(--color-cyan);
    box-shadow: var(--shadow-cyan);
}

.tab-content {
    display: none;
    max-width: 800px;
    margin: 0 auto;
}

.tab-content.active {
    display: block;
}

/* Slider Style */
.slider-container {
    position: relative;
    width: 100%;
    aspect-ratio: 4/3;
    max-height: 520px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    user-select: none;
    cursor: ew-resize;
}

.image-before, .image-after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    /* Default solid background placeholders if image not loaded */
    background-color: #ddd;
}

/* Overlay image (BEFORE is on top, and we will clip it from the right.
   Wait, if before is dirty on top, and we clip it to show the clean image below:
   We clip it from the right, so only the left side is dirty (Before), 
   and the right side is clean (After).
   So image-before is absolute overlay, clipped.
*/
.image-before {
    z-index: 2;
    clip-path: polygon(0 0, var(--slider-pos, 50%) 0, var(--slider-pos, 50%) 100%, 0 100%);
}

.image-after {
    z-index: 1;
}

/* Slider Badge */
.slider-container .badge {
    position: absolute;
    top: 20px;
    z-index: 3;
    padding: 6px 12px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    border-radius: 4px;
    color: var(--color-white);
}

.badge-before {
    left: 20px;
    background-color: rgba(10, 25, 47, 0.8);
    border: 1px solid rgba(255,255,255,0.2);
}

.badge-after {
    right: 20px;
    background-color: rgba(0, 180, 216, 0.85);
    border: 1px solid rgba(255,255,255,0.2);
}

/* Handle Bar */
.slider-handle {
    position: absolute;
    top: 0;
    left: var(--slider-pos, 50%);
    bottom: 0;
    width: 4px;
    background-color: var(--color-white);
    z-index: 5;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 0 10px rgba(0,0,0,0.3);
}

.handle-line {
    width: 100%;
    height: 100%;
    background-color: var(--color-white);
}

.handle-arrow {
    position: absolute;
    width: 44px;
    height: 44px;
    background-color: var(--color-cyan);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid var(--color-white);
    font-size: 0.8rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.25);
    transition: var(--transition-fast);
}

.slider-container:hover .handle-arrow {
    background-color: var(--color-cyan-hover);
    transform: scale(1.05);
}

.handle-arrow.left {
    transform: translateX(-14px);
}
.handle-arrow.right {
    transform: translateX(14px);
}

/* Quote Section */
.quote-section {
    background-color: var(--color-white);
}

.quote-wrapper {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 50px;
    padding: 60px;
    border-radius: 24px;
    border: 1px solid rgba(10, 25, 47, 0.05);
}

.quote-info {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.quote-info h2 {
    font-size: 2.3rem;
    margin-bottom: 12px;
}

.quote-tagline {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--color-cyan);
    margin-bottom: 24px;
}

.quote-instructions {
    margin-bottom: 40px;
    font-size: 0.95rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.contact-method i {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: rgba(0, 180, 216, 0.08);
    color: var(--color-cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.contact-method h4 {
    font-size: 1rem;
    margin-bottom: 2px;
}

.contact-method p {
    font-size: 0.9rem;
    color: var(--color-navy-light);
    font-weight: 550;
}

/* Quote Form Card */
.quote-form-wrapper {
    background-color: var(--color-white);
    padding: 40px;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(10, 25, 47, 0.05);
}

.quote-form .form-title {
    margin-bottom: 28px;
}

.quote-form .form-title h3 {
    font-size: 1.35rem;
    margin-bottom: 4px;
}

.quote-form .form-title p {
    font-size: 0.85rem;
}

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

.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.quote-form label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--color-navy);
}

.quote-form input,
.quote-form select,
.quote-form textarea {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid #cbd5e1;
    border-radius: 6px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    color: var(--color-navy);
    transition: var(--transition-fast);
    outline: none;
}

.quote-form input:focus,
.quote-form select:focus,
.quote-form textarea:focus {
    border-color: var(--color-cyan);
    box-shadow: 0 0 0 3px rgba(0, 180, 216, 0.15);
}

/* Thank you state styles */
.thank-you-state {
    text-align: center;
    padding: 20px 0;
}

.success-icon {
    font-size: 4rem;
    color: #25D366;
    margin-bottom: 20px;
    animation: scaleIn 0.5s ease-out;
}

.thank-you-state h3 {
    font-size: 1.6rem;
    margin-bottom: 12px;
}

.thank-you-state p {
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.thank-you-state .whatsapp-prompt {
    font-size: 0.9rem;
    margin-bottom: 16px;
}

@keyframes scaleIn {
    0% { transform: scale(0); }
    80% { transform: scale(1.1); }
    100% { transform: scale(1); }
}

/* Footer */
.main-footer {
    background-color: var(--color-bg-alt);
    padding: 80px 0 30px;
    border-top: 1px solid rgba(10, 25, 47, 0.05);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 50px;
    margin-bottom: 60px;
}

.footer-brand h2 {
    font-size: 1.8rem;
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.9rem;
    margin-bottom: 24px;
    max-width: 320px;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-white);
    color: var(--color-navy);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    transition: var(--transition-fast);
    text-decoration: none;
    box-shadow: var(--shadow-sm);
}

.social-links a:hover {
    background-color: var(--color-cyan);
    color: var(--color-white);
    transform: translateY(-3px);
}

.footer-links-col h4,
.footer-contact-col h4 {
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.footer-links-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links-col a {
    color: var(--color-text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

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

.footer-contact-col p {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    margin-bottom: 16px;
}

.footer-contact-col i {
    color: var(--color-cyan);
    font-size: 1rem;
}

.footer-bottom {
    border-top: 1px solid rgba(10, 25, 47, 0.08);
    padding-top: 30px;
}

.footer-bottom-container {
    display: flex;
    justify-content: center;
    font-size: 0.85rem;
}

/* Floating WhatsApp Button */
.whatsapp-floating {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
    z-index: 999;
    text-decoration: none;
    transition: var(--transition-fast);
    animation: waPulse 2s infinite;
}

.whatsapp-floating:hover {
    background-color: #20ba5a;
    transform: scale(1.1) translateY(-3px);
}

.whatsapp-tooltip {
    position: absolute;
    right: 75px;
    background-color: var(--color-navy);
    color: var(--color-white);
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 0.85rem;
    font-weight: 600;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition-fast);
    pointer-events: none;
    box-shadow: var(--shadow-md);
}

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

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

/* Responsive Media Queries */
@media (max-width: 992px) {
    section {
        padding: 70px 0;
    }
    
    .section-title {
        font-size: 2.1rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 30px;
        text-align: center;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    .hero-title {
        font-size: 2.8rem;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .hero-visual {
        justify-content: center;
        margin-top: 20px;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .buildings-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
    
    .process-timeline {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px 20px;
    }
    
    .process-timeline::before {
        display: none;
    }
    
    .quote-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
        padding: 40px;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
    
    .footer-brand {
        grid-column: span 2;
    }
}

@media (max-width: 768px) {
    .main-header {
        padding: 16px 0;
    }
    
    .header-quote-btn {
        display: none;
    }
    
    .mobile-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--color-navy-dark);
        z-index: 998;
        padding: 100px 40px;
        transition: var(--transition-normal);
        box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    }
    
    .nav-menu.open {
        right: 0;
    }
    
    .nav-list {
        flex-direction: column;
        gap: 24px;
    }
    
    .nav-item {
        font-size: 1.15rem;
        color: var(--color-text-light);
    }
    
    .quote-btn-mobile {
        display: inline-block;
        margin-top: 20px;
        background-color: var(--color-cyan);
        color: var(--color-white) !important;
        padding: 10px 20px;
        border-radius: 6px;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-desc {
        font-size: 1rem;
    }
    
    .buildings-grid {
        grid-template-columns: 1fr;
    }
    
    .process-timeline {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
    }
    
    .footer-brand {
        grid-column: span 1;
    }
    
    .form-grid {
        grid-template-columns: 1fr;
        gap: 0;
    }
}

/* Animations */
.animate-fade-in {
    opacity: 0;
    animation: fadeIn 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-slide-up {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.animate-slide-up-delayed {
    opacity: 0;
    transform: translateY(30px);
    animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.2s forwards;
}

.animate-slide-up-buttons {
    opacity: 0;
    transform: translateY(20px);
    animation: slideUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) 0.4s forwards;
}

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

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

/* Bounce CTA Button Animation */
.btn-bounce {
    animation: bounceSoft 2.5s ease-in-out infinite;
}

.btn-bounce:hover {
    animation-play-state: paused;
}

@keyframes bounceSoft {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-6px);
    }
}