/* style.css - Main Styles */

/* Container */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* Section Padding */
.section-padding {
    padding: var(--spacing-4xl) 0;
}

/* Section Header */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-tag {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section-tag.white {
    color: var(--color-white);
    opacity: 0.9;
}

.section-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

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

.section-title .highlight {
    color: var(--color-primary);
}

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

/* Logo imagem texto */
.logo-text-img {
    height: 100px;
    width: auto;
    transition: all var(--transition-base);
}

/* Para header transparente (início) - deixa a logo branca */
.header:not(.scrolled) .logo-text-img {
    filter: brightness(0) invert(1);
}

/* Para header com scroll - logo normal */
.header.scrolled .logo-text-img {
    filter: none;
}

/* Responsivo */
@media (max-width: 768px) {
    .logo-text-img {
        height: 25px;
    }
}

/* Buttons */
.btn-primary {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: var(--color-white);
    padding: 0.875rem 2rem;
    border-radius: var(--border-radius-full);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-outline {
    background: transparent;
    color: white;
    padding: 0.875rem 2rem;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--border-radius-full);
    font-weight: 600;
    font-size: var(--font-size-sm);
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

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

.btn-large {
    padding: 1rem 2.5rem;
    font-size: var(--font-size-base);
}

.btn-small {
    padding: 0.625rem 1.5rem;
    font-size: var(--font-size-sm);
}

.btn-header {
    padding: 0.625rem 1.5rem;
}

/* Cards */
.card {
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

/* Header - CORRIGIDO */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: var(--z-header);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
}

/* CORREÇÃO: links BRANCOS no início (sem scroll) */
.header:not(.scrolled) .nav-link {
    color: #FFFFFF !important;
}

.header:not(.scrolled) .logo-text {
    color: #FFFFFF !important;
}

.header:not(.scrolled) .hamburger span {
    background: #FFFFFF !important;
}

/* Links CINZA quando tem scroll */
.header.scrolled .nav-link {
    color: var(--color-gray-700) !important;
}

.header.scrolled .logo-text {
    color: var(--color-gray-900) !important;
}

.header.scrolled .hamburger span {
    background: var(--color-gray-800) !important;
}

/* Link ativo - mantém verde em ambos os estados */
.header:not(.scrolled) .nav-link.active {
    color: var(--color-primary) !important;
}

.header.scrolled .nav-link.active {
    color: var(--color-primary) !important;
}

/* Botão CTA no header */
.header:not(.scrolled) .btn-header {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #FFFFFF;
}

.header:not(.scrolled) .btn-header:hover {
    background: var(--color-primary);
    border-color: transparent;
}

.header.scrolled .btn-header {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: #FFFFFF;
    border: none;
}

/* Hover dos links */
.header:not(.scrolled) .nav-link:hover {
    color: var(--color-primary) !important;
}

.header.scrolled .nav-link:hover {
    color: var(--color-primary) !important;
}

.navbar {
    padding: var(--spacing-sm) 0;
}

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.logo-icon {
    width: 50px;
    height: 50px;
    background: white;
    border-radius: var(--border-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon img{
    width: 100px;
    height: 50px;
}

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 800;
    letter-spacing: -0.02em;
}

.logo-dot {
    color: var(--color-primary);
}


/* Navigation Menu */
.nav-menu {
    display: flex;
    gap: var(--spacing-xl);
    list-style: none;
}

.nav-link {
    font-weight: 500;
    transition: color var(--transition-fast);
    position: relative;
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--color-primary);
    border-radius: var(--border-radius-full);
}

/* Hero Section */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('../assets/images/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    animation: scaleUp 20s ease-out;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.85) 0%, rgba(0, 0, 0, 0.6) 100%);
}

.hero-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        repeating-linear-gradient(45deg, transparent, transparent 20px, rgba(0, 166, 81, 0.05) 20px, rgba(0, 166, 81, 0.05) 40px);
    pointer-events: none;
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--color-white);
    max-width: 800px;
    margin-top: 80px;
}

.hero-title {
    font-size: var(--font-size-7xl);
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
}

.hero-title .highlight {
    color: var(--color-primary);
    position: relative;
    display: inline-block;
    margin-right: 4px;
}

.hero-subtitle {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-xl);
    opacity: 0.9;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

.hero-stats {
    display: flex;
    gap: var(--spacing-2xl);
}

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

.stat-number {
    font-size: var(--font-size-3xl);
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    opacity: 0.7;
}

.hero-scroll {
    position: absolute;
    bottom: var(--spacing-xl);
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-white);
    font-size: var(--font-size-sm);
    opacity: 0.7;
    z-index: 2;
}

.scroll-line {
    width: 2px;
    height: 50px;
    background: linear-gradient(180deg, var(--color-primary) 0%, transparent 100%);
}

/* Differentials Section */
.differentials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

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

.card-icon {
    margin-bottom: var(--spacing-lg);
}

.differential-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-900);
}

.differential-card p {
    color: var(--color-gray-600);
}

/* Solutions Section */
.bg-light {
    background-color: var(--color-gray-50);
}

.solutions-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-xl);
}

.solution-card {
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
}

.solution-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
}

.solution-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

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

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

.solution-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, transparent 0%, rgba(0, 0, 0, 0.3) 100%);
}

.solution-content {
    padding: var(--spacing-xl);
}

.solution-content h3 {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-900);
}

.solution-desc {
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-lg);
}

.solution-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.feature {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.feature span {
    color: var(--color-primary);
    margin-right: var(--spacing-xs);
    font-weight: 700;
}

/* Applications Section - Versão Premium */
.applications-premium {
    background: linear-gradient(180deg, #FFFFFF 0%, #F8F9FA 100%);
    position: relative;
    overflow: hidden;
}

.applications-premium::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 100%;
    background-image: radial-gradient(circle at 20% 50%, rgba(0, 166, 81, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* Premium Badge */
.premium-badge {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.badge-line {
    width: 40px;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-primary), transparent);
}

.badge-text {
    font-size: var(--font-size-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-primary);
}

/* Premium Header */
.premium-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.premium-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, #4cd964 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.premium-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    max-width: 600px;
    margin: 0 auto;
}

/* Premium Grid - 7 cards */
.premium-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

/* Premium Card */
.premium-card {
    position: relative;
    cursor: pointer;
}

.card-inner {
    position: relative;
    background: var(--color-white);
    border-radius: var(--border-radius-xl);
    padding: var(--spacing-xl);
    text-align: center;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    border: 1px solid rgba(0, 166, 81, 0.1);
    overflow: hidden;
    height: 100%;
}

.card-inner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), #4cd964);
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.premium-card:hover .card-inner {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
    border-color: transparent;
}

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

/* Card Icon */
.card-icon-wrapper {
    display: flex;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.card-icon-bg {
    width: 70px;
    height: 70px;
    background: rgba(0, 166, 81, 0.08);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.premium-card:hover .card-icon-bg {
    background: var(--color-primary);
    transform: scale(1.05);
}

.card-icon {
    width: 32px;
    height: 32px;
    stroke: var(--color-primary);
    transition: all 0.3s ease;
}

.premium-card:hover .card-icon {
    stroke: white;
}

/* Card Text */
.card-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--color-gray-900);
}

.card-description {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    line-height: 1.5;
}

/* Hover Line */
.card-hover-line {
    width: 40px;
    height: 2px;
    background: var(--color-primary);
    margin: var(--spacing-md) auto 0;
    opacity: 0;
    transition: all 0.3s ease;
}

.premium-card:hover .card-hover-line {
    opacity: 1;
    width: 60px;
}

/* Premium Footer */
.premium-footer {
    text-align: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    margin-top: var(--spacing-xl);
}

.footer-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-lg);
}

.premium-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
}

.stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat .stat-number {
    font-size: var(--font-size-xl);
    font-weight: 800;
    color: var(--color-primary);
}

.stat .stat-label {
    font-size: var(--font-size-xs);
    color: var(--color-gray-500);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.stat-divider {
    width: 1px;
    height: 30px;
    background: rgba(0, 0, 0, 0.1);
}

/* ESG Section */
.bg-gradient {
    background: linear-gradient(135deg, var(--color-gray-900) 0%, var(--color-gray-800) 100%);
    position: relative;
    overflow: hidden;
}

.bg-gradient::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 20% 50%, rgba(0, 166, 81, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.esg-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.esg-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-300);
    margin-bottom: var(--spacing-2xl);
}

.esg-pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
    text-align: left;
}

.pillar {
    display: flex;
    gap: var(--spacing-md);
}

.pillar-icon {
    font-size: 2rem;
}

.pillar-text h4 {
    color: var(--color-white);
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.pillar-text p {
    color: var(--color-gray-400);
    font-size: var(--font-size-sm);
}

/* About Section */
.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: center;
}

.about-description {
    font-size: var(--font-size-lg);
    color: var(--color-gray-600);
    margin: var(--spacing-lg) 0 var(--spacing-xl);
}

.about-image {
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
}

.about-image img {
    width: 100%;
    height: auto;
}

/* CTA Section */
.cta {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    padding: var(--spacing-4xl) 0;
    text-align: center;
}

.cta-content {
    max-width: 700px;
    margin: 0 auto;
}

.cta-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.cta-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: var(--spacing-xl);
}

.btn-cta {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: var(--shadow-lg);
}

.btn-cta:hover {
    background: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-2xl);
}

/* Footer */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-400);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-main {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-3xl);
}

.footer-tagline {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-gray-300);
    margin-top: var(--spacing-md);
    line-height: 1.4;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-xl);
}

.footer-col h4 {
    color: var(--color-white);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--spacing-md);
}

.footer-col ul {
    list-style: none;
}

.footer-col li {
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-col a {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-800);
}

.footer-social {
    display: flex;
    gap: var(--spacing-md);
}

.social-link {
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

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

.footer-copyright p {
    font-size: var(--font-size-sm);
}

/* ============================================
   RESPONSIVE - PREMIUM GRID
   ============================================ */

@media (min-width: 1400px) {
    .premium-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

@media (min-width: 1024px) and (max-width: 1399px) {
    .premium-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .premium-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-lg);
    }
    
    .premium-title {
        font-size: var(--font-size-3xl);
    }
}

@media (max-width: 767px) {
    .premium-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .premium-title {
        font-size: var(--font-size-3xl);
    }
    
    .premium-subtitle {
        font-size: var(--font-size-base);
    }
    
    .premium-stats {
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .premium-stats {
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .stat-divider {
        display: none;
    }
    
    .card-inner {
        padding: var(--spacing-lg);
    }
    
    .card-icon-bg {
        width: 55px;
        height: 55px;
    }
    
    .card-icon {
        width: 26px;
        height: 26px;
    }
}