/* Reset e configurações base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #1e293b 100%);
    color: #ffffff;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Partículas de fundo animadas */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 3px;
    height: 3px;
    background: linear-gradient(45deg, #f59e0b, #16a34a);
    border-radius: 50%;
    opacity: 0;
    animation: particleFloat 8s infinite linear;
}

@keyframes particleFloat {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
    position: relative;
    z-index: 2;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    position: relative;
    z-index: 100;
}

/* Logo DS Ducha Solar */
.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-container {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
}

.logo-ds {
    font-size: 2rem;
    font-weight: 900;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    z-index: 2;
    position: relative;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
    animation: logoGlow 3s ease-in-out infinite;
}

.logo-solar-panel {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(-15deg);
    width: 24px;
    height: 16px;
    z-index: 1;
}

.panel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-rows: 1fr 1fr;
    gap: 1px;
    width: 100%;
    height: 100%;
    background: #1e40af;
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(30, 64, 175, 0.4);
}

.panel-cell {
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 1px;
    animation: panelShine 4s ease-in-out infinite;
}

.panel-cell:nth-child(1) { animation-delay: 0s; }
.panel-cell:nth-child(2) { animation-delay: 0.5s; }
.panel-cell:nth-child(3) { animation-delay: 1s; }
.panel-cell:nth-child(4) { animation-delay: 1.5s; }

@keyframes logoGlow {
    0%, 100% { 
        filter: drop-shadow(0 0 5px rgba(245, 158, 11, 0.3));
    }
    50% { 
        filter: drop-shadow(0 0 15px rgba(245, 158, 11, 0.6));
    }
}

@keyframes panelShine {
    0%, 100% { 
        background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
        box-shadow: inset 0 0 0 rgba(255, 255, 255, 0);
    }
    50% { 
        background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
        box-shadow: inset 0 0 3px rgba(255, 255, 255, 0.3);
    }
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.brand-name {
    font-size: 1.25rem;
    font-weight: 800;
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.05em;
}

.brand-tagline {
    font-size: 0.7rem;
    font-weight: 500;
    color: #94a3b8;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 2px;
}

.nav {
    display: flex;
    gap: 1.5rem;
}

.nav-link {
    color: #e2e8f0;
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: 25px;
    transition: all 0.3s ease;
    position: relative;
    cursor: pointer;
    font-size: 0.9rem;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, #f59e0b, #16a34a);
    border-radius: 25px;
    opacity: 0;
    transition: opacity 0.3s ease;
    z-index: -1;
}

.nav-link:hover::before,
.nav-link.active::before {
    opacity: 0.2;
}

.nav-link:hover,
.nav-link.active {
    color: #ffffff;
    transform: translateY(-2px);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: #f59e0b;
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    min-height: 85vh;
    padding: 2rem 0;
}

.hero-content {
    animation: slideInLeft 1s ease-out;
}

.hero-badge {
    display: inline-block;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid rgba(245, 158, 11, 0.3);
    border-radius: 50px;
    padding: 0.5rem 1.25rem;
    margin-bottom: 1.5rem;
    animation: badgePulse 3s ease-in-out infinite;
}

.badge-text {
    font-size: 0.85rem;
    font-weight: 500;
    color: #fbbf24;
}

@keyframes badgePulse {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 rgba(245, 158, 11, 0.3); }
    50% { transform: scale(1.05); box-shadow: 0 0 20px rgba(245, 158, 11, 0.3); }
}

.hero-title {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.title-line {
    display: block;
    opacity: 0;
    animation: titleReveal 1s ease-out forwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.3s;
    color: #ffffff;
}

.title-line:nth-child(2) {
    animation-delay: 0.6s;
}

.gradient-text {
    background: linear-gradient(135deg, #f59e0b 0%, #16a34a 50%, #0ea5e9 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    background-size: 200% 200%;
    animation: gradientShift 3s ease-in-out infinite;
}

@keyframes titleReveal {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-description {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: #e2e8f0;
    margin-bottom: 2rem;
    max-width: 95%;
    opacity: 0;
    animation: fadeInUp 1s ease-out 0.9s forwards;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeInUp 1s ease-out 1.2s forwards;
}

.cta-primary,
.cta-secondary {
    padding: 1rem 2rem;
    font-size: clamp(0.9rem, 2vw, 1.1rem);
    font-weight: 700;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    border: none;
    min-width: 200px;
    text-align: center;
}

.cta-primary {
    background: linear-gradient(45deg, #f59e0b, #d97706);
    color: #ffffff;
}

.cta-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(245, 158, 11, 0.4);
}

.button-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.4), transparent);
    transition: left 0.6s;
}

.cta-primary:hover .button-shine {
    left: 100%;
}

.cta-secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
}

.cta-secondary:hover {
    border-color: #16a34a;
    background: rgba(22, 163, 74, 0.1);
    transform: translateY(-2px);
}

.hero-stats {
    display: flex;
    gap: 2rem;
    opacity: 0;
    animation: fadeInUp 1s ease-out 1.5s forwards;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    min-width: 120px;
}

.stat-number {
    font-size: clamp(1.5rem, 4vw, 2.5rem);
    font-weight: 900;
    background: linear-gradient(45deg, #f59e0b, #16a34a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
}

.stat-label {
    font-size: 0.8rem;
    color: #cbd5e1;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.5rem;
}

/* Hero Visual */
.hero-visual {
    animation: slideInRight 1s ease-out;
}

.cleaning-display {
    position: relative;
    height: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.cleaning-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.3),
        0 0 0 1px rgba(245, 158, 11, 0.1);
    transition: all 0.4s ease;
    cursor: pointer;
    width: 100%;
    max-width: 400px;
}

.cleaning-container:hover {
    transform: translateY(-10px) rotateY(5deg) rotateX(5deg);
    box-shadow: 
        0 35px 70px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(245, 158, 11, 0.3);
}

.cleaning-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: all 0.4s ease;
}

.cleaning-container:hover .cleaning-image {
    transform: scale(1.05);
}

.efficiency-indicators {
    position: absolute;
    bottom: 15px;
    left: 15px;
    right: 15px;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(20px);
    border-radius: 15px;
    padding: 1rem;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.efficiency-meter {
    margin-bottom: 0.75rem;
    position: relative;
}

.meter-fill {
    height: 6px;
    background: linear-gradient(90deg, #f59e0b, #16a34a, #f59e0b);
    border-radius: 4px;
    width: 0%;
    transition: width 0.3s ease;
    box-shadow: 0 0 10px rgba(245, 158, 11, 0.5);
}

.meter-label {
    font-size: 0.7rem;
    color: #e2e8f0;
    margin-top: 0.5rem;
    display: block;
}

.meter-value {
    position: absolute;
    right: 0;
    top: -20px;
    font-size: 0.7rem;
    color: #fbbf24;
    font-weight: 600;
}

.cleaning-badge {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.cleaning-icon {
    font-size: 1.2rem;
    animation: iconPulse 2s ease-in-out infinite;
}

@keyframes iconPulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.2); }
}

.cleaning-status {
    font-size: 1rem;
    font-weight: 700;
    color: #fbbf24;
    display: block;
}

.cleaning-label {
    font-size: 0.7rem;
    color: #cbd5e1;
}

.cleaning-effects {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
}

/* Services Section */
.services-section,
.benefits-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #334155 0%, #475569 50%, #334155 100%);
    position: relative;
}

.services-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #f59e0b, transparent);
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #f59e0b 0%, #16a34a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: #e2e8f0;
    max-width: 600px;
    margin: 0 auto;
}

.services-grid,
.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.service-card,
.benefit-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.4s ease;
    cursor: pointer;
    opacity: 0;
    transform: translateY(50px);
}

.service-card.visible,
.benefit-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.service-card::before,
.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #f59e0b, #16a34a, #0ea5e9);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.service-card:hover::before,
.benefit-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover,
.benefit-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 
        0 25px 50px rgba(245, 158, 11, 0.2),
        0 0 0 1px rgba(245, 158, 11, 0.1);
    border-color: rgba(245, 158, 11, 0.3);
}

.card-icon {
    font-size: clamp(2.5rem, 5vw, 4rem);
    margin-bottom: 1.5rem;
    display: block;
    animation: iconFloat 3s ease-in-out infinite;
}

@keyframes iconFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.card-title {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: #ffffff;
}

.card-description {
    color: #e2e8f0;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.card-highlight {
    padding: 0.75rem;
    background: rgba(245, 158, 11, 0.1);
    border-radius: 15px;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.highlight-text {
    font-size: 0.8rem;
    color: #fbbf24;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.highlight-number {
    font-size: clamp(1.5rem, 4vw, 2.2rem);
    font-weight: 900;
    background: linear-gradient(45deg, #f59e0b, #16a34a);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.highlight-label {
    font-size: 0.8rem;
    color: #cbd5e1;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: 0.25rem;
    display: block;
}

/* Benefits Section */
.benefits-section {
    background: linear-gradient(135deg, #1e293b 0%, #334155 100%);
}

/* Process Section */
.process-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #334155 0%, #475569 100%);
}

.process-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.process-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #f59e0b 0%, #16a34a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.process-description {
    font-size: clamp(1rem, 2.5vw, 1.1rem);
    color: #e2e8f0;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.process-steps {
    display: grid;
    gap: 1.5rem;
}

.step-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    opacity: 0;
    transform: translateX(-50px);
}

.step-item.visible {
    opacity: 1;
    transform: translateX(0);
}

.step-item:hover {
    transform: translateX(10px);
    border-color: rgba(245, 158, 11, 0.3);
    background: rgba(245, 158, 11, 0.05);
}

.step-number {
    font-size: 1.25rem;
    font-weight: 900;
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #f59e0b, #16a34a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    flex-shrink: 0;
}

.step-content h4 {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: #ffffff;
}

.step-content p {
    color: #cbd5e1;
    font-size: clamp(0.8rem, 2vw, 0.9rem);
}

.process-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.cleaning-animation {
    text-align: center;
}

.panel-demo {
    position: relative;
    width: 100%;
    max-width: 300px;
    height: 200px;
    background: linear-gradient(135deg, #1e293b, #334155);
    border-radius: 20px;
    padding: 1.5rem;
    border: 2px solid rgba(245, 158, 11, 0.2);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.3);
    margin-bottom: 1.5rem;
    overflow: hidden;
}

.panel-surface {
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, #334155, #475569);
    border-radius: 10px;
    position: relative;
    transition: all 0.5s ease;
}

.panel-surface.dirty {
    background: linear-gradient(135deg, #8B4513, #A0522D);
}

.panel-surface.clean {
    background: linear-gradient(135deg, #1e40af, #1d4ed8);
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.5);
}

.dirt-particle {
    position: absolute;
    width: 12px;
    height: 12px;
    background: #654321;
    border-radius: 50%;
    opacity: 0.8;
    transition: all 0.3s ease;
}

.dirt-particle:nth-child(1) { top: 20%; left: 30%; }
.dirt-particle:nth-child(2) { top: 60%; left: 70%; }
.dirt-particle:nth-child(3) { top: 40%; left: 20%; }
.dirt-particle:nth-child(4) { top: 80%; left: 60%; }

.cleaning-brush {
    position: absolute;
    top: -20px;
    left: -30px;
    font-size: 1.5rem;
    opacity: 0;
    transition: all 0.3s ease;
}

.cleaning-brush.active {
    opacity: 1;
    animation: cleaningMotion 2s ease-in-out;
}

@keyframes cleaningMotion {
    0% { transform: translate(0, 0); }
    25% { transform: translate(80px, 40px); }
    50% { transform: translate(160px, 80px); }
    75% { transform: translate(240px, 120px); }
    100% { transform: translate(280px, 160px); }
}

.demo-button {
    background: linear-gradient(45deg, #f59e0b, #d97706);
    color: white;
    border: none;
    padding: 0.875rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.demo-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(245, 158, 11, 0.3);
}

/* Contact Section */
.contact-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, #1e293b 0%, #334155 50%, #1e293b 100%);
}

.contact-container {
    max-width: 1200px;
    margin: 0 auto;
}

.contact-header {
    text-align: center;
    margin-bottom: 4rem;
}

.contact-title {
    font-size: clamp(2rem, 4vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #f59e0b 0%, #16a34a 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.contact-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.2rem);
    color: #e2e8f0;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 25px;
    padding: 2rem;
    text-align: center;
    transition: all 0.4s ease;
    cursor: pointer;
    opacity: 0;
    transform: translateY(50px);
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.contact-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.contact-card:hover {
    transform: translateY(-10px);
    border-color: rgba(245, 158, 11, 0.3);
    box-shadow: 0 20px 40px rgba(245, 158, 11, 0.1);
}

.contact-icon {
    font-size: clamp(2.5rem, 5vw, 3rem);
    margin-bottom: 1rem;
    display: block;
}

.contact-card h3 {
    font-size: clamp(1.2rem, 3vw, 1.5rem);
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: #ffffff;
}

.contact-card p {
    color: #e2e8f0;
    margin-bottom: 1.5rem;
    font-size: clamp(0.9rem, 2vw, 1rem);
}

.contact-button {
    display: inline-block;
    background: linear-gradient(45deg, #f59e0b, #d97706);
    color: #ffffff;
    text-decoration: none;
    padding: 0.875rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-align: center;
    min-width: 180px;
    font-size: clamp(0.8rem, 2vw, 0.9rem);
}

.contact-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(245, 158, 11, 0.3);
}

/* Footer Profissional */
.footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, #f59e0b, transparent);
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1rem;
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 4rem;
    padding: 4rem 0 2rem;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1rem;
}

.footer-description {
    color: #cbd5e1;
    line-height: 1.7;
    font-size: 0.95rem;
    max-width: 400px;
}

.footer-social {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    text-decoration: none;
    font-size: 1.1rem;
    transition: all 0.3s ease;
    cursor: pointer;
}

.social-link:hover {
    background: linear-gradient(45deg, #f59e0b, #16a34a);
    border-color: transparent;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(245, 158, 11, 0.3);
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
}

.footer-column {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.footer-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 0.5rem;
    position: relative;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: linear-gradient(90deg, #f59e0b, #16a34a);
    border-radius: 1px;
}

.footer-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-link {
    color: #cbd5e1;
    text-decoration: none;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    position: relative;
    padding-left: 0;
}

.footer-link:hover {
    color: #fbbf24;
    padding-left: 8px;
}

.footer-link::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 1px;
    background: #fbbf24;
    transition: width 0.3s ease;
}

.footer-link:hover::before {
    width: 4px;
}

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: #cbd5e1;
    font-size: 0.9rem;
}

.footer-contact-item .contact-icon {
    font-size: 1rem;
    width: 20px;
    text-align: center;
}

.footer-text {
    color: #cbd5e1;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1.5rem 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright {
    color: #94a3b8;
    font-size: 0.85rem;
}

.footer-legal {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.footer-legal-link {
    color: #94a3b8;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s ease;
}

.footer-legal-link:hover {
    color: #fbbf24;
}

.footer-separator {
    color: #64748b;
    font-size: 0.85rem;
}

.footer-legal-text {
    color: #64748b;
    font-size: 0.85rem;
}

/* Notificação */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: linear-gradient(45deg, #16a34a, #15803d);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 10px;
    font-weight: 600;
    z-index: 1000;
    transform: translateX(100%);
    transition: transform 0.3s ease;
    font-size: 0.9rem;
    box-shadow: 0 10px 25px rgba(22, 163, 74, 0.3);
}

.notification.show {
    transform: translateX(0);
}

.notification-content {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Animações gerais */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes dropletFall {
    0% {
        opacity: 0.8;
        transform: translateY(0) scale(1);
    }
    50% {
        opacity: 1;
        transform: translateY(20px) scale(1.2);
    }
    100% {
        opacity: 0;
        transform: translateY(40px) scale(0.5);
    }
}

@keyframes rippleEffect {
    to {
        transform: scale(4);
        opacity: 0;
    }
}

/* Responsividade melhorada */
@media (max-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
        min-height: auto;
        padding: 1.5rem 0;
    }

    .hero-visual {
        order: -1;
    }

    .process-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .nav {
        display: none;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-stats {
        justify-content: center;
        gap: 1.5rem;
    }

    .cleaning-display {
        height: 400px;
    }

    .cleaning-image {
        height: 300px;
    }

    .footer-main {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 1rem;
    }

    .header {
        padding: 1rem 0;
    }

    .hero {
        padding: 1rem 0 2rem;
        gap: 1.5rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
    }

    .cta-primary,
    .cta-secondary {
        width: 100%;
        max-width: 300px;
        padding: 1rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }

    .stat-item {
        min-width: auto;
    }

    .services-grid,
    .benefits-grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .service-card,
    .benefit-card,
    .contact-card {
        padding: 1.5rem;
    }

    .contact-methods {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .cleaning-display {
        height: 350px;
    }

    .cleaning-image {
        height: 250px;
    }

    .efficiency-indicators {
        padding: 0.75rem;
        bottom: 10px;
        left: 10px;
        right: 10px;
    }

    .process-steps {
        gap: 1rem;
    }

    .step-item {
        padding: 1rem;
        gap: 0.75rem;
    }

    .step-number {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }

    .panel-demo {
        height: 150px;
        padding: 1rem;
    }

    .dirt-particle {
        width: 8px;
        height: 8px;
    }

    .footer-links {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

    .footer-legal {
        justify-content: center;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .container {
        padding: 0 0.75rem;
    }

    .header {
        padding: 0.75rem 0;
    }

    .logo-container {
        width: 50px;
        height: 50px;
    }

    .logo-ds {
        font-size: 1.75rem;
    }

    .brand-name {
        font-size: 1rem;
    }

    .brand-tagline {
        font-size: 0.6rem;
    }

    .hero {
        padding: 0.75rem 0 1.5rem;
    }

    .hero-badge {
        padding: 0.375rem 1rem;
        margin-bottom: 1rem;
    }

    .hero-description {
        margin-bottom: 1.5rem;
    }

    .hero-actions {
        margin-bottom: 2rem;
    }

    .service-card,
    .benefit-card,
    .contact-card {
        padding: 1.25rem;
    }

    .step-item {
        flex-direction: column;
        text-align: center;
        gap: 0.75rem;
        padding: 1rem;
    }

    .step-number {
        margin-bottom: 0.5rem;
    }

    .contact-methods {
        gap: 0.75rem;
    }

    .contact-button {
        min-width: 160px;
        padding: 0.75rem 1.25rem;
    }

    .footer-main {
        padding: 3rem 0 1.5rem;
        gap: 2rem;
    }

    .footer-social {
        gap: 0.75rem;
    }

    .social-link {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .panel-demo {
        height: 120px;
        margin-bottom: 1rem;
    }

    .demo-button {
        padding: 0.75rem 1.25rem;
        font-size: 0.8rem;
    }

    .notification {
        top: 10px;
        right: 10px;
        left: 10px;
        padding: 0.75rem 1rem;
        font-size: 0.8rem;
        text-align: center;
    }
}

/* Menu mobile responsivo */
@media (max-width: 1024px) {
    .nav.mobile-open {
        display: flex;
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: rgba(30, 41, 59, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 2rem;
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        z-index: 99;
        animation: slideDown 0.3s ease-out;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    .nav.mobile-open .nav-link {
        padding: 1rem;
        text-align: center;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        margin-bottom: 0.5rem;
        border-radius: 10px;
    }

    .nav.mobile-open .nav-link:hover {
        transform: none;
        background: rgba(245, 158, 11, 0.1);
    }
}

/* Correções de z-index */
.header {
    z-index: 100;
}

.nav {
    z-index: 99;
}

.particles {
    z-index: 1;
}

.notification {
    z-index: 1000;
}

/* Melhorias de performance */
.service-card,
.benefit-card,
.contact-card,
.step-item {
    will-change: transform, opacity;
}

.cleaning-container {
    will-change: transform;
}

/* Redução de motion para acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    .particle {
        animation: none;
    }
    
    .logo-ds {
        animation: none;
    }
    
    .panel-cell {
        animation: none;
    }
    
    .cleaning-icon {
        animation: none;
    }
    
    .card-icon {
        animation: none;
    }
}

/* Melhorar contraste para acessibilidade */
@media (prefers-contrast: high) {
    .nav-link {
        color: #ffffff;
    }
    
    .hero-description,
    .section-subtitle,
    .card-description {
        color: #ffffff;
    }
}