/* ==========================================================================
   BRUTATEC PREMIUM LANDING PAGE - CUSTOM DESIGN SYSTEM (styles.css)
   ========================================================================== */

/* 1. Variable Tokens & Theme Configuration */
:root {
    /* Primary brand colors */
    --yellow: #FFCC00;
    --yellow-hover: #E5B800;
    --yellow-rgb: 255, 204, 0;
    
    /* Secondary background colors */
    --black: #121212;
    --graphite: #1A1A1A;
    --graphite-light: #242424;
    --graphite-border: #333333;
    
    /* CTA Accent colors (Mapped to Yellow Brutatec) */
    --blue: #FFCC00;
    --blue-hover: #E5B800;
    --blue-rgb: 255, 204, 0;
    
    /* Neutral colors */
    --white: #FFFFFF;
    --white-muted: rgba(255, 255, 255, 0.7);
    --gray-light: #F9F9F9;
    --gray-medium: #E0E0E0;
    --gray-dark: #777777;
    
    /* Typography */
    --font-headings: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    /* Spacings */
    --container-width: 1240px;
    --header-height: 80px;
    --header-shrink-height: 70px;
    
    /* Border radii */
    --radius-small: 4px;
    --radius-medium: 8px;
    --radius-large: 12px;
    
    /* Shadows & Transitions */
    --shadow-soft: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-heavy: 0 10px 30px rgba(0, 0, 0, 0.3);
    --shadow-glow-blue: 0 4px 15px rgba(255, 204, 0, 0.3);
    --shadow-glow-yellow: 0 4px 15px rgba(255, 204, 0, 0.3);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* 2. Global Resets & Boilerplate */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-body);
    background-color: var(--white);
    color: var(--graphite);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: inherit;
    text-decoration: none;
}

ul {
    list-style: none;
}

/* 3. Reusable Layout Utilities */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

.bg-dark {
    background-color: var(--black);
    color: var(--white);
}

.bg-graphite {
    background-color: var(--graphite);
    color: var(--white);
}

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

.text-white {
    color: var(--white) !important;
}

.text-gray {
    color: var(--white-muted) !important;
}

.text-yellow {
    color: var(--yellow) !important;
}

/* Grid systems */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.grid-split {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 64px;
}

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

.gap-small {
    gap: 16px;
}

/* Custom badges & titles */
.section-header {
    max-width: 680px;
    margin: 0 auto 60px auto;
}

.section-badge {
    display: inline-block;
    padding: 6px 14px;
    background-color: rgba(var(--blue-rgb), 0.1);
    color: var(--blue);
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    border-radius: var(--radius-small);
    margin-bottom: 16px;
}

.section-badge.yellow {
    background-color: rgba(var(--yellow-rgb), 0.15);
    color: var(--yellow);
}

.section-title {
    font-family: var(--font-headings);
    font-size: 2.5rem;
    font-weight: 800;
    line-height: 1.2;
    color: var(--black);
    letter-spacing: -0.5px;
    margin-bottom: 20px;
    text-transform: uppercase;
}

.section-subtitle {
    font-size: 1.15rem;
    color: var(--gray-dark);
}

.section-desc {
    font-size: 1.05rem;
    color: var(--gray-dark);
    margin-bottom: 24px;
}

/* 4. Button Elements */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 0.95rem;
    padding: 12px 28px;
    border-radius: var(--radius-small);
    cursor: pointer;
    transition: var(--transition-fast);
    border: 2px solid transparent;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.btn-small {
    padding: 8px 18px;
    font-size: 0.85rem;
}

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

.btn-blue {
    background-color: var(--blue);
    color: var(--black);
    box-shadow: var(--shadow-glow-blue);
}

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

.btn-yellow {
    background-color: var(--yellow);
    color: var(--black);
    box-shadow: var(--shadow-glow-yellow);
}

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

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

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

.btn-outline-white {
    background-color: transparent;
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--white);
}

.btn-outline-white:hover {
    border-color: var(--white);
    background-color: rgba(255, 255, 255, 0.05);
}

.btn-nav {
    display: inline-flex;
    align-items: center;
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 0.85rem;
    padding: 10px 20px;
    border-radius: var(--radius-small);
    background-color: var(--blue);
    color: var(--black);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-glow-blue);
}

.btn-nav:hover {
    background-color: var(--blue-hover);
}

/* 5. Header & Fixed Navigation */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background-color: rgba(18, 18, 18, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    transition: var(--transition-normal);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.header.shrink {
    height: var(--header-shrink-height);
    background-color: rgba(12, 12, 12, 0.95);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.header-container {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: inline-flex;
}

.logo-svg,
.logo-img {
    height: 36px;
    width: auto;
    transition: var(--transition-fast);
}

.logo-img {
    filter: brightness(0) invert(1);
}

.logo:hover .logo-svg,
.logo:hover .logo-img {
    transform: scale(1.03);
}

.nav {
    display: flex;
}

.nav-list {
    display: flex;
    gap: 36px;
}

.nav-link {
    font-family: var(--font-headings);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--white-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 8px 0;
    position: relative;
    transition: var(--transition-fast);
}

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

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

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

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

.mobile-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--white);
    font-size: 1.5rem;
    cursor: pointer;
}

/* 6. Hero Section */
.hero {
    height: 100vh;
    min-height: 600px;
    position: relative;
    display: flex;
    align-items: center;
    color: var(--white);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center 15%;
    background-repeat: no-repeat;
    transform: scale(1.05);
    animation: zoomHero 20s infinite alternate ease-in-out;
    z-index: 1;
}

@keyframes zoomHero {
    0% { transform: scale(1.02) translate(0, 0); }
    100% { transform: scale(1.08) translate(1px, -5px); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(18, 18, 18, 0.95) 0%, rgba(18, 18, 18, 0.4) 50%, rgba(18, 18, 18, 0) 100%);
    z-index: 2;
}

.hero-container {
    position: relative;
    z-index: 3;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    height: 100%;
    padding-top: var(--header-height);
    padding-bottom: 100px;
}

.hero-content {
    max-width: 760px;
}

.badge-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    background-color: rgba(255, 204, 0, 0.15);
    border: 1px solid rgba(255, 204, 0, 0.3);
    color: var(--yellow);
    border-radius: 50px;
    font-family: var(--font-headings);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease-out;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--yellow);
    box-shadow: 0 0 8px var(--yellow);
}

.hero-title {
    font-family: var(--font-headings);
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -1px;
    text-transform: uppercase;
    margin-bottom: 20px;
    text-shadow: 0 2px 10px rgba(0,0,0,0.5);
    animation: fadeInUp 1s ease-out;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--white-muted);
    margin-bottom: 40px;
    font-weight: 400;
    text-shadow: 0 2px 5px rgba(0,0,0,0.5);
    line-height: 1.5;
    animation: fadeInUp 1.2s ease-out;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    animation: fadeInUp 1.4s ease-out;
}

/* Scroll indicator animation */
.hero-scroller {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    color: var(--white-muted);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    cursor: pointer;
    transition: var(--transition-fast);
}

.hero-scroller:hover {
    color: var(--white);
}

.scroller-icon {
    width: 20px;
    height: 34px;
    border: 2px solid var(--white-muted);
    border-radius: 20px;
    position: relative;
}

.scroller-dot {
    width: 4px;
    height: 8px;
    border-radius: 2px;
    background-color: var(--yellow);
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scrollDot 2s infinite ease-in-out;
}

@keyframes scrollDot {
    0% { top: 6px; opacity: 1; }
    50% { top: 18px; opacity: 0.3; }
    100% { top: 6px; opacity: 1; }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 7. Sobre a Brutatec Section */
.about-image-wrapper {
    position: relative;
}

.about-image-card {
    position: relative;
    border-radius: var(--radius-large);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.about-img {
    width: 100%;
    object-fit: contain;
    height: 480px;
    background-color: var(--gray-light);
    filter: brightness(0.95);
    transition: var(--transition-normal);
}

.about-img:hover {
    transform: scale(1.02);
}

.about-stats-card {
    position: absolute;
    bottom: 24px;
    right: 24px;
    background-color: var(--black);
    border-left: 5px solid var(--yellow);
    padding: 20px 30px;
    border-radius: var(--radius-medium);
    color: var(--white);
    box-shadow: var(--shadow-heavy);
}

.stats-number {
    display: block;
    font-family: var(--font-headings);
    font-size: 2rem;
    font-weight: 900;
    color: var(--yellow);
    line-height: 1;
}

.stats-label {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--white-muted);
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-top: 36px;
    border-top: 1px solid var(--gray-medium);
    padding-top: 30px;
}

.feature-item {
    display: flex;
    gap: 20px;
}

.feature-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-small);
    background-color: rgba(var(--blue-rgb), 0.08);
    color: var(--blue);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.feature-icon i {
    width: 24px;
    height: 24px;
}

.feature-title {
    font-family: var(--font-headings);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 4px;
}

.feature-text {
    font-size: 0.9rem;
    color: var(--gray-dark);
}

/* 8. Categorias (Cards Premium) */
.card-premium {
    background-color: var(--graphite-light);
    border: 1px solid var(--graphite-border);
    border-radius: var(--radius-large);
    overflow: hidden;
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.card-premium:hover {
    transform: translateY(-8px);
    border-color: var(--yellow);
    box-shadow: 0 15px 40px rgba(0,0,0,0.5);
}

.card-image-box {
    position: relative;
    overflow: hidden;
    height: 260px;
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background-color: var(--graphite);
    transition: var(--transition-normal);
}

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

.card-price-badge {
    position: absolute;
    top: 20px;
    right: 20px;
    background-color: var(--yellow);
    color: var(--black);
    font-family: var(--font-headings);
    font-weight: 800;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 6px 14px;
    border-radius: var(--radius-small);
}

.card-info {
    padding: 36px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-title {
    font-family: var(--font-headings);
    font-size: 1.4rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--white);
    margin-bottom: 12px;
}

.card-desc {
    font-size: 0.95rem;
    color: var(--white-muted);
    margin-bottom: 24px;
    height: 68px;
    overflow: hidden;
}

.card-highlights {
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.card-highlights li {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.9rem;
    color: var(--white);
}

.card-highlights li i {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.card-actions {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-top: auto;
}

/* 9. Benefícios Section */
.benefit-card {
    background-color: var(--graphite);
    border: 1px solid var(--graphite-border);
    padding: 40px 30px;
    border-radius: var(--radius-large);
    transition: var(--transition-normal);
    border-top: 4px solid transparent;
}

.benefit-card:hover {
    border-top-color: var(--yellow);
    transform: translateY(-5px);
    box-shadow: 0 8px 30px rgba(0,0,0,0.4);
}

.benefit-icon-box {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-small);
    background-color: rgba(255, 204, 0, 0.1);
    color: var(--yellow);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.benefit-icon-box i {
    width: 28px;
    height: 28px;
}

.benefit-title {
    font-family: var(--font-headings);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.benefit-desc {
    font-size: 0.9rem;
    color: var(--white-muted);
}

/* 10. Aplicações Section */
.filter-tab-container {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 30px;
}

.filter-tab {
    background: none;
    border: 2px solid var(--gray-medium);
    padding: 10px 24px;
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 0.85rem;
    color: var(--graphite);
    border-radius: 50px;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
}

.filter-tab:hover,
.filter-tab.active {
    background-color: var(--blue);
    border-color: var(--blue);
    color: var(--black);
    box-shadow: var(--shadow-glow-blue);
}

.app-card {
    background-color: var(--white);
    border-radius: var(--radius-medium);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--gray-medium);
    transition: var(--transition-normal);
}

.app-card.hidden {
    display: none;
}

.app-card:hover {
    transform: scale(1.02);
    box-shadow: 0 15px 30px rgba(0,0,0,0.1);
    border-color: var(--blue);
}

.app-img-box {
    position: relative;
    overflow: hidden;
    height: 200px;
}

.app-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    background-color: var(--gray-light);
    transition: var(--transition-normal);
}

.app-card:hover .app-img {
    transform: scale(1.08);
}

.app-hover-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(18, 18, 18, 0.85);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-fast);
}

.app-card:hover .app-hover-overlay {
    opacity: 1;
}

.app-zoom {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--yellow);
    color: var(--black);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-soft);
}

.app-info {
    padding: 20px;
}

.app-title {
    font-family: var(--font-headings);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 8px;
    text-transform: uppercase;
}

.app-desc {
    font-size: 0.85rem;
    color: var(--gray-dark);
}

/* 11. Seção Destaque (Callout) */
.callout-section {
    position: relative;
    padding: 120px 0;
    color: var(--white);
    text-align: center;
    overflow: hidden;
}

.callout-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    z-index: 1;
}

.callout-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    z-index: 2;
}

.callout-container {
    position: relative;
    z-index: 3;
    max-width: 800px;
}

.callout-title {
    font-family: var(--font-headings);
    font-size: 2.8rem;
    font-weight: 900;
    text-transform: uppercase;
    line-height: 1.15;
    margin-bottom: 16px;
    color: var(--white);
}

.callout-text {
    font-size: 1.15rem;
    color: var(--white-muted);
    margin-bottom: 36px;
}

/* 12. Diferenciais Section (Checklist) */
.differentials-list {
    margin-top: 40px;
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.diff-item {
    display: flex;
    gap: 24px;
}

.diff-number {
    font-family: var(--font-headings);
    font-size: 2rem;
    font-weight: 900;
    color: var(--yellow);
    line-height: 1;
    opacity: 0.8;
}

.diff-title {
    font-family: var(--font-headings);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
}

.diff-text {
    font-size: 0.9rem;
    color: var(--white-muted);
}

.diff-card-wrapper {
    display: flex;
    justify-content: center;
}

.diff-card {
    background-color: var(--graphite-light);
    border: 1px solid var(--graphite-border);
    padding: 44px;
    border-radius: var(--radius-large);
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-heavy);
}

.diff-card-heading {
    font-family: var(--font-headings);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 30px;
    text-transform: uppercase;
    border-left: 4px solid var(--yellow);
    padding-left: 14px;
}

.diff-bullets {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.diff-bullets li {
    display: flex;
    gap: 16px;
}

.bullet-icon {
    color: var(--yellow);
    flex-shrink: 0;
}

.bullet-icon i {
    width: 20px;
    height: 20px;
}

.diff-bullets li strong {
    display: block;
    color: var(--white);
    font-size: 0.95rem;
    margin-bottom: 4px;
}

.diff-bullets li span {
    font-size: 0.85rem;
    color: var(--white-muted);
}

.diff-card-footer {
    margin-top: 36px;
    padding-top: 24px;
    border-top: 1px solid var(--graphite-border);
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--white-muted);
    letter-spacing: 0.5px;
}

/* 13. Galeria Section */
.gallery-filters {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 24px;
}

.gal-btn {
    background: none;
    border: 1px solid var(--gray-medium);
    padding: 8px 20px;
    font-family: var(--font-headings);
    font-weight: 600;
    font-size: 0.8rem;
    color: var(--graphite);
    border-radius: var(--radius-small);
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
}

.gal-btn:hover,
.gal-btn.active {
    background-color: var(--yellow);
    border-color: var(--yellow);
    color: var(--black);
    font-weight: 700;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-top: 48px;
}

.gallery-item {
    background-color: var(--white);
    border: 1px solid var(--gray-medium);
    border-radius: var(--radius-medium);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    transition: var(--transition-normal);
    display: flex;
    flex-direction: column;
}

.gallery-item.hidden {
    display: none;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.1);
    border-color: var(--yellow);
}

.gallery-img-box {
    height: 200px;
    overflow: hidden;
    position: relative;
    background-color: var(--gray-light);
    border-bottom: 1px solid var(--gray-medium);
}

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

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

.gallery-info {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.gallery-title {
    font-family: var(--font-headings);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 4px;
    text-transform: uppercase;
}

.gallery-subtitle {
    font-size: 0.8rem;
    color: var(--gray-dark);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.gallery-desc {
    font-size: 0.85rem;
    color: var(--gray-dark);
    margin-bottom: 16px;
    line-height: 1.5;
    flex-grow: 1;
}

.gallery-info .btn-small {
    margin-top: auto;
    text-align: center;
}

/* 14. FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background-color: var(--graphite-light);
    border: 1px solid var(--graphite-border);
    border-radius: var(--radius-medium);
    overflow: hidden;
    transition: var(--transition-fast);
}

.faq-item:hover {
    border-color: var(--yellow);
}

.faq-question {
    width: 100%;
    padding: 24px 30px;
    background: none;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--white);
    cursor: pointer;
    text-align: left;
    transition: var(--transition-fast);
}

.faq-question:hover {
    color: var(--yellow);
}

.faq-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    color: var(--white-muted);
    transition: var(--transition-fast);
}

.faq-question:hover .faq-icon {
    color: var(--yellow);
}

.faq-item.open .faq-icon {
    transform: rotate(45deg);
    color: var(--yellow);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease-out;
}

.faq-answer p {
    padding: 0 30px 24px 30px;
    font-size: 0.95rem;
    color: var(--white-muted);
    line-height: 1.6;
}

/* 15. Contato Section */
.contact-info-panel {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 24px;
    margin-top: 40px;
}

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

.method-icon {
    width: 48px;
    height: 48px;
    background-color: rgba(var(--blue-rgb), 0.08);
    color: var(--blue);
    border-radius: var(--radius-small);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.method-icon i {
    width: 22px;
    height: 22px;
}

.method-title {
    font-family: var(--font-headings);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--gray-dark);
    letter-spacing: 0.5px;
    margin-bottom: 2px;
}

.method-link {
    font-family: var(--font-headings);
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--black);
    transition: var(--transition-fast);
}

.method-link:hover {
    color: var(--blue);
}

.method-text {
    font-size: 0.95rem;
    color: var(--graphite);
    font-weight: 500;
}

.contact-form-wrapper {
    display: flex;
    justify-content: flex-end;
}

.form-container-card {
    background-color: var(--white);
    border: 1px solid var(--gray-medium);
    padding: 44px;
    border-radius: var(--radius-large);
    box-shadow: var(--shadow-soft);
    width: 100%;
    max-width: 500px;
    position: relative;
    overflow: hidden;
}

.form-container-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--blue);
}

.form-title {
    font-family: var(--font-headings);
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 28px;
    text-transform: uppercase;
}

.lead-form.hidden {
    display: none;
}

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

.form-label {
    display: block;
    font-family: var(--font-headings);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    color: var(--graphite);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
}

.input-icon-wrapper {
    position: relative;
}

.input-icon {
    position: absolute;
    top: 50%;
    left: 16px;
    transform: translateY(-50%);
    width: 18px;
    height: 18px;
    color: var(--gray-dark);
    transition: var(--transition-fast);
}

.form-input {
    width: 100%;
    padding: 12px 16px 12px 48px;
    border: 1.5px solid var(--gray-medium);
    border-radius: var(--radius-small);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--black);
    background-color: var(--gray-light);
    outline: none;
    transition: var(--transition-fast);
}

.form-input:focus {
    border-color: var(--blue);
    background-color: var(--white);
    box-shadow: 0 0 0 3px rgba(var(--blue-rgb), 0.1);
}

.form-input:focus + .input-icon {
    color: var(--blue);
}

.form-textarea {
    width: 100%;
    height: 110px;
    padding: 12px 16px;
    border: 1.5px solid var(--gray-medium);
    border-radius: var(--radius-small);
    font-family: var(--font-body);
    font-size: 0.95rem;
    color: var(--black);
    background-color: var(--gray-light);
    outline: none;
    resize: none;
    transition: var(--transition-fast);
}

.form-textarea:focus {
    border-color: var(--blue);
    background-color: var(--white);
    box-shadow: 0 0 0 3px rgba(var(--blue-rgb), 0.1);
}

/* Success Alert Styles */
.form-success-alert {
    text-align: center;
    padding: 20px 0;
    animation: fadeIn 0.5s ease-out;
}

.form-success-alert.hidden {
    display: none;
}

.success-icon-box {
    width: 64px;
    height: 64px;
    background-color: rgba(0, 180, 100, 0.1);
    color: rgb(0, 180, 100);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px auto;
}

.success-icon-box i {
    width: 36px;
    height: 36px;
}

.success-title {
    font-family: var(--font-headings);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--black);
    margin-bottom: 12px;
    text-transform: uppercase;
}

.success-text {
    font-size: 0.95rem;
    color: var(--gray-dark);
    margin-bottom: 28px;
}

/* 16. Rodapé (Footer) */
.footer {
    background-color: var(--black);
    color: var(--white);
    border-top: 1px solid var(--graphite-border);
    padding: 80px 0 30px 0;
}

.footer-top {
    display: grid;
    grid-template-columns: 1.3fr 0.8fr 0.8fr 1.1fr;
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-brand .logo {
    align-self: flex-start;
}

.footer-tagline {
    font-size: 0.9rem;
    color: var(--white-muted);
    line-height: 1.6;
    max-width: 300px;
}

.footer-heading {
    font-family: var(--font-headings);
    font-size: 0.9rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--white);
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 8px;
}

.footer-heading::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--yellow);
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--white-muted);
    transition: var(--transition-fast);
}

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

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

.footer-contact-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.9rem;
    color: var(--white-muted);
}

.footer-contact-item i,
.footer-contact-item svg {
    width: 16px;
    height: 16px;
    color: var(--yellow);
    flex-shrink: 0;
}

.footer-bottom {
    border-top: 1px solid var(--graphite-border);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright {
    font-size: 0.8rem;
    color: var(--gray-dark);
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    color: var(--white-muted);
    background-color: var(--graphite);
    padding: 6px 12px;
    border-radius: var(--radius-small);
    border: 1px solid var(--graphite-border);
}

.footer-badge i {
    width: 14px;
    height: 14px;
    color: #00b464;
}

/* 17. Floating WhatsApp Widget */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 56px;
    height: 56px;
    background-color: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 5px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition-normal);
    animation: bounce 2s infinite alternate ease-in-out;
}

.floating-whatsapp:hover {
    transform: scale(1.08) rotate(10deg);
    background-color: #128C7E;
    box-shadow: 0 8px 25px rgba(18, 140, 126, 0.5);
}

.whatsapp-icon {
    width: 28px;
    height: 28px;
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    background-color: var(--black);
    color: var(--white);
    padding: 6px 12px;
    border-radius: var(--radius-small);
    font-size: 0.8rem;
    font-family: var(--font-headings);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
    opacity: 0;
    transform: translateX(10px);
    transition: var(--transition-normal);
    pointer-events: none;
    box-shadow: var(--shadow-heavy);
}

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

@keyframes bounce {
    0% { transform: translateY(0); }
    100% { transform: translateY(-8px); }
}

/* 18. Responsive Breakpoints */

/* Large Tablets & Small Desktops (max-width: 1024px) */
@media (max-width: 1024px) {
    .grid-split {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .about-image-wrapper {
        order: 2;
    }
    
    .about-content {
        order: 1;
    }
    
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .grid-4 {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-top {
        grid-template-columns: repeat(2, 1fr);
        gap: 36px;
    }
}

/* Small Tablets (max-width: 768px) */
@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .section-padding {
        padding: 70px 0;
    }
    
    .hero {
        height: 100vh;
        height: 100dvh;
        min-height: 540px;
    }
    
    .hero-container {
        justify-content: center;
        padding-top: var(--header-height);
        padding-bottom: 30px;
    }
    
    .hero-content {
        text-align: center;
        margin: 0 auto;
    }
    
    .badge-tag {
        margin: 0 auto 20px auto;
    }
    
    .hero-title {
        font-size: 2.3rem;
        line-height: 1.2;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 30px;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 12px;
        width: 100%;
    }
    
    .hero-buttons .btn {
        width: 100%;
        max-width: 320px;
    }
    
    .hero-scroller {
        display: none;
    }
    
    .grid-2 {
        grid-template-columns: 1fr;
    }
    
    .grid-4 {
        grid-template-columns: repeat(2, 1fr);
    }
    
    /* Navigation drawer overlay on mobile */
    .nav {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--black);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 60px;
        transition: var(--transition-normal);
        z-index: 998;
    }
    
    .nav.open {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }
    
    .nav-link {
        font-size: 1.25rem;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .header-actions .btn-nav {
        display: none; /* Hide top CTA on mobile */
    }
    
    .btn-large {
        padding: 14px 28px;
        font-size: 0.9rem;
    }
    
    .callout-title {
        font-size: 2rem;
    }
    
    .diff-card {
        padding: 30px;
    }
}

/* Mobile Devices (max-width: 480px) */
@media (max-width: 480px) {
    .hero-title {
        font-size: 1.85rem;
    }
    
    .hero-subtitle {
        font-size: 0.95rem;
    }
    
    .hero-buttons .btn {
        max-width: 280px;
    }
    
    .section-title {
        font-size: 1.85rem;
    }
    
    .grid-3 {
        grid-template-columns: 1fr;
    }
    
    .grid-4 {
        grid-template-columns: 1fr;
    }
    
    .gallery-grid {
        grid-template-columns: 1fr;
    }
    
    .about-img {
        height: 320px;
    }
    
    .footer-top {
        grid-template-columns: 1fr;
    }
    
    .form-container-card {
        padding: 24px;
    }
    
    .floating-whatsapp {
        bottom: 20px;
        right: 20px;
    }
}