/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Brand Colors - CURUÁ-UNA */
    --primary: hsl(225, 46%, 34%); /* #2F4380 - Azul principal */
    --primary-foreground: hsl(0, 0%, 100%);
    --primary-glow: hsl(225, 46%, 50%);

    --secondary: hsl(357, 92%, 51%); /* #F11116 - Vermelho CTA */
    --secondary-foreground: hsl(0, 0%, 100%);

    --warning: hsl(45, 93%, 58%); /* Amarelo industrial */
    --warning-foreground: hsl(222.2, 84%, 4.9%);

    --success: hsl(142, 76%, 36%); /* Verde para CTAs */
    --success-foreground: hsl(0, 0%, 100%);

    --background: hsl(0, 0%, 100%);
    --foreground: hsl(222.2, 84%, 4.9%);

    --card: hsl(0, 0%, 100%);
    --card-foreground: hsl(222.2, 84%, 4.9%);

    --muted: hsl(210, 40%, 96.1%);
    --muted-foreground: hsl(215.4, 16.3%, 46.9%);

    --border: hsl(214.3, 31.8%, 91.4%);

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    --shadow-2xl: 0 25px 50px -12px rgb(0 0 0 / 0.25);

    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.4s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.5;
}

/* Container */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Utility Classes */
.hidden {
    display: none !important;
}

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

.text-primary {
    color: var(--primary);
}

.text-warning {
    color: var(--warning);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.6s ease-out forwards;
}

.fade-in:nth-child(1) { animation-delay: 0s; }
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.4s; }
.fade-in:nth-child(4) { animation-delay: 0.6s; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-size: 1rem;
    white-space: nowrap;
}

.btn:hover {
    transform: translateY(-2px);
}

.btn-success {
    background-color: var(--success);
    color: var(--success-foreground);
}

.btn-success:hover {
    background-color: hsl(142, 76%, 32%);
    box-shadow: var(--shadow-lg);
}

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

.btn-primary:hover {
    background-color: hsl(225, 46%, 30%);
    box-shadow: var(--shadow-lg);
}

.btn-lg {
    padding: 16px 32px;
    font-size: 1rem;
}

.btn-header {
    box-shadow: var(--shadow-md);
}

.btn-hero {
    padding: 14px 28px;
    font-size: 1rem;
    box-shadow: var(--shadow-xl);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-hero:hover {
    transform: scale(1.05);
    box-shadow: var(--shadow-2xl);
}

.btn-show-more {
    padding: 20px 40px;
    box-shadow: var(--shadow-lg);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-show-more:hover {
    transform: scale(1.05);
}

.btn-equipment {
    font-size: 0.875rem;
}

.btn-full {
    width: 100%;
}

.icon {
    flex-shrink: 0;
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    inset: 0;
    background-image: url('./assets/hero-construction.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(47, 67, 128, 0.9);
}

.hero-content {
    position: relative;
    z-index: 10;
    padding: 80px 16px;
}

.hero-inner {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.hero-logo {
    width: 192px;
    height: auto;
    margin: 0 auto 24px;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-foreground);
    margin-bottom: 24px;
    line-height: 1.2;
}

.hero-title-line {
    display: block;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

.hero-cta {
    display: flex;
    justify-content: center;
    margin-bottom: 48px;
}

.hero-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 48px;
    margin-bottom: 48px;
}

.feature-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 2px solid var(--warning);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: rgba(251, 191, 36, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--warning);
}

.feature-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--primary-foreground);
    margin-bottom: 8px;
}

.feature-description {
    color: rgba(255, 255, 255, 0.8);
}

/* Equipment Section */
.equipment-section {
    padding: 48px 0 80px;
    background: linear-gradient(to bottom, hsl(210, 40%, 98%), hsl(0, 0%, 100%));
}

.section-header {
    text-align: center;
    margin-bottom: 48px;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--foreground);
    margin-bottom: 16px;
}

.section-subtitle {
    font-size: 1.25rem;
    color: var(--muted-foreground);
}

.section-subtitle-lg {
    font-size: 1.25rem;
    color: var(--muted-foreground);
    max-width: 800px;
    margin: 0 auto;
}

.equipment-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 24px;
}

.equipment-card {
    overflow: hidden;
    border: 2px solid var(--border);
    border-radius: 12px;
    background: var(--card);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: var(--transition);
}

.equipment-card:hover {
    border-color: var(--border);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
    transform: translateY(-4px);
}

.equipment-image {
    aspect-ratio: 4 / 3;
    overflow: hidden;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 16px;
}

.equipment-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    transition: var(--transition);
}

.equipment-card:hover .equipment-image img {
    transform: scale(1.1);
}

.equipment-content {
    padding: 24px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
}

.equipment-name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--foreground);
    text-align: center;
}

.equipment-cta-card {
    margin-top: 64px;
    max-width: 960px;
    margin-left: auto;
    margin-right: auto;
}

/* Cards */
.card {
    background: var(--card);
    border: 2px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    transition: var(--transition);
}

.card-content {
    padding: 32px;
}

.card-primary {
    background: var(--primary);
    border-color: rgba(47, 67, 128, 0.2);
}

.cta-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-foreground);
    margin-bottom: 16px;
}

.cta-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
}

/* About Section */
.about-section {
    padding: 80px 0;
    background: var(--background);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: center;
    max-width: 1152px;
    margin: 0 auto;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(47, 67, 128, 0.1);
    color: var(--primary);
    padding: 8px 16px;
    border-radius: 8px;
    margin-bottom: 24px;
    font-weight: 600;
    font-size: 0.875rem;
}

.about-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 24px;
    line-height: 1.2;
}

.about-description {
    font-size: 1rem;
    color: var(--muted-foreground);
    margin-bottom: 32px;
    line-height: 1.6;
}

.checklist {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.checklist-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.check-icon {
    flex-shrink: 0;
    color: var(--success);
}

.checklist-item span {
    color: var(--foreground);
    font-weight: 500;
}

.about-image-column {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.about-image {
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.about-image img {
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.card-feature {
    border: 2px solid var(--border);
    transition: var(--transition);
}

.card-feature:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-lg);
}

.card-feature-content {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
}

.feature-icon-box {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: rgba(47, 67, 128, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
}

.feature-card-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--foreground);
    margin-bottom: 4px;
}

.feature-card-subtitle {
    color: var(--muted-foreground);
}

/* Differentials Section */
.differentials-section {
    padding: 80px 0;
    background: linear-gradient(to bottom, hsl(210, 40%, 98%), hsl(0, 0%, 100%));
    position: relative;
}

.differentials-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 24px;
    max-width: 1152px;
    margin: 0 auto 48px;
}

.card-differential {
    border: 2px solid var(--border);
    transition: var(--transition);
    width: 100%;
    background: var(--card);
}

.card-differential:hover {
    border-color: rgba(47, 67, 128, 0.5);
    box-shadow: var(--shadow-xl);
    transform: translateY(-8px);
}

.differential-icon-container {
    margin-bottom: 24px;
    display: flex;
    justify-content: center;
}

.differential-icon {
    position: relative;
    width: 80px;
    height: 80px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.differential-icon.primary {
    background: rgba(47, 67, 128, 0.1);
    color: var(--primary);
}

.differential-icon.secondary {
    background: rgba(241, 17, 22, 0.1);
    color: var(--secondary);
}

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

.card-differential:hover .differential-icon.secondary {
    background: var(--secondary);
    color: white;
}

.differential-icon::after {
    content: '';
    position: absolute;
    inset: -8px;
    border-radius: 16px;
    border: 2px solid;
    transform: scale(1.1);
    transition: var(--transition);
}

.differential-icon.primary::after {
    border-color: rgba(47, 67, 128, 0.2);
}

.differential-icon.secondary::after {
    border-color: rgba(241, 17, 22, 0.2);
}

.card-differential:hover .differential-icon.primary::after {
    border-color: rgba(47, 67, 128, 0.4);
}

.card-differential:hover .differential-icon.secondary::after {
    border-color: rgba(241, 17, 22, 0.4);
}

.differential-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 12px;
    transition: var(--transition);
    color: var(--foreground);
}

.card-differential:hover .differential-title {
    color: var(--primary);
}

.differential-description {
    color: var(--muted-foreground);
    line-height: 1.6;
}

/* Contact Section */
.contact-section {
    padding: 80px 0;
    background: linear-gradient(to bottom, hsl(210, 40%, 98%), hsl(0, 0%, 100%));
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 32px;
    align-items: flex-start;
    max-width: 1152px;
    margin: 0 auto;
}

.contact-info-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--foreground);
    margin-bottom: 24px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.card-contact {
    border: 2px solid var(--border);
    transition: var(--transition);
}

.card-contact:hover {
    border-color: rgba(47, 67, 128, 0.5);
    box-shadow: var(--shadow-lg);
}

.card-contact-content {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 24px;
}

.contact-icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.contact-icon.primary {
    background: rgba(47, 67, 128, 0.1);
    color: var(--primary);
}

.contact-icon.secondary {
    background: rgba(241, 17, 22, 0.1);
    color: var(--secondary);
}

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

.card-contact:hover .contact-icon.secondary {
    background: var(--secondary);
    color: white;
}

.contact-card-title {
    font-weight: 700;
    color: var(--foreground);
    margin-bottom: 8px;
    font-size: 1rem;
}

.contact-link {
    color: var(--muted-foreground);
    text-decoration: none;
    transition: var(--transition);
    word-break: break-word;
}

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

.contact-text {
    color: var(--muted-foreground);
    white-space: pre-line;
}

.contact-cta {
    position: relative;
}

.card-cta {
    position: relative;
    overflow: hidden;
}

.card-cta-content {
    padding: 40px 32px;
    text-align: center;
    position: relative;
    z-index: 10;
}

.cta-icon {
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
    box-shadow: var(--shadow-lg);
    color: var(--primary-foreground);
}

.cta-card-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-foreground);
    margin-bottom: 16px;
}

.cta-card-description {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 32px;
    line-height: 1.6;
}

.cta-benefits {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
    text-align: left;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 12px;
}

.benefit-dot {
    width: 24px;
    height: 24px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-dot::after {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--primary-foreground);
    border-radius: 50%;
}

.benefit-item span {
    color: var(--primary-foreground);
    font-weight: 500;
}

.cta-info {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 16px;
}

/* Footer */
.footer {
    background: var(--primary);
    color: var(--primary-foreground);
    padding: 32px 0;
}

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

.footer-text {
    font-size: 0.875rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 16px;
    margin-top: 16px;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer-link {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

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

/* Responsive Design */
@media (min-width: 640px) {
    .equipment-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

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

    .section-title {
        font-size: 3rem;
    }

    .about-title {
        font-size: 3rem;
    }

    .cta-title {
        font-size: 2.5rem;
    }

    .cta-card-title {
        font-size: 2.5rem;
    }

    .card-differential {
        width: calc(50% - 12px);
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 1.5rem;
    }

    .nav-desktop {
        display: flex;
    }

    .cta-desktop {
        display: flex;
    }

    .mobile-menu-btn {
        display: none;
    }

    .hero-title {
        font-size: 3.75rem;
    }

    .equipment-grid {
        grid-template-columns: repeat(4, 1fr);
    }

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

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

    .contact-cta {
        position: sticky;
        top: 32px;
    }

    .card-differential {
        width: calc(33.333% - 16px);
    }
}

@media (min-width: 1280px) {
    .hero-title {
        font-size: 4rem;
    }
}

/* About Features Row */
.about-features-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-top: 48px;
}

@media (min-width: 768px) {
    .about-features-row {
        grid-template-columns: repeat(3, 1fr);
    }
}