/* ==========================================================================
   PB AVIATION - Premium Landing Page Stylesheet
   ========================================================================== */

/* 1. CSS Variables & Reset */
:root {
    --gold-primary: #bda078;
    --gold-dark: #a8885c;
    --gold-light: #f5f0e8;
    --bg-warm: #faf8f5;
    --bg-card: #ffffff;
    --text-dark: #2c2925;
    --text-muted: #6e685f;
    --text-light: #ffffff;
    --border-color: #eae5de;
    --shadow-subtle: 0 4px 20px rgba(189, 160, 120, 0.08);
    --shadow-hover: 0 10px 30px rgba(189, 160, 120, 0.15);
    --font-serif: 'Cormorant Garamond', Georgia, serif;
    --font-sans: 'Montserrat', sans-serif;
    --transition-smooth: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

section[id] {
    scroll-margin-top: 100px;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-smooth);
}

ul {
    list-style: none;
}

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

/* 2. Utility Classes */
.text-gold {
    color: var(--gold-dark);
    font-weight: 500;
}

.section-tag {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--gold-primary);
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 1rem;
}

.section-tag.center {
    display: block;
    text-align: center;
}

.section-title {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    font-weight: 400;
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: 2rem;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    padding: 1rem 2rem;
    border-radius: 0;
    transition: var(--transition-smooth);
    cursor: pointer;
    gap: 0.75rem;
}

.btn-gold {
    background-color: var(--gold-primary);
    color: var(--text-light);
    border: 1px solid var(--gold-primary);
}

.btn-gold:hover {
    background-color: var(--gold-dark);
    border-color: var(--gold-dark);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(168, 136, 92, 0.3);
}

.btn-outline {
    background-color: transparent;
    color: var(--gold-dark);
    border: 1px solid var(--gold-primary);
}

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

.btn-full {
    width: 100%;
}

.btn-icon {
    transition: var(--transition-smooth);
}

.btn:hover .btn-icon {
    transform: translateX(3px);
}

/* 3. Header & Navigation */
.main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(250, 248, 245, 0.95);
    border-bottom: none;
    z-index: 1000;
    transition: var(--transition-smooth);
}

.main-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('../images/grid-bg.svg');
    background-repeat: repeat;
    background-size: 130px auto;
    opacity: 0.16;
    pointer-events: none;
    z-index: 0;
}

.main-header::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(to right, #9f792f 0%, #dabb6a 50%, #a47733 100%);
    z-index: 2;
}

.main-header.scrolled {
    padding: 0.5rem 0;
    box-shadow: var(--shadow-subtle);
    background-color: rgba(255, 255, 255, 0.98);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0.9rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}

.logo-area, .footer-logo {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-align: left;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-symbol {
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

.logo-area:hover .logo-symbol {
    transform: rotate(10deg) scale(1.05);
}

.logo-title {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    color: var(--text-dark);
    line-height: 1;
}

.logo-subtitle {
    font-size: 0.5rem;
    font-weight: 600;
    letter-spacing: 0.25em;
    color: var(--text-muted);
    margin-top: 0.2rem;
}

.nav-menu ul {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.1em;
    color: var(--text-muted);
    position: relative;
    padding: 0.5rem 0;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--gold-dark);
    transition: var(--transition-smooth);
}

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

.btn-header {
    padding: 0.75rem 1.5rem;
    background-color: var(--gold-primary);
    color: var(--text-light);
    font-size: 0.7rem;
}

.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.hamburger-line {
    width: 100%;
    height: 2px;
    background-color: var(--text-dark);
    transition: var(--transition-smooth);
}

/* 4. Hero Section */
.hero-section {
    padding-top: 8rem;
    min-height: 72vh;
    display: flex;
    align-items: center;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    position: relative;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 550px;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 4rem;
    font-weight: 300;
    line-height: 1.1;
    color: var(--text-dark);
    margin-bottom: 2rem;
    animation: fadeInUp 1s ease;
}

.hero-divider {
    width: 80px;
    height: 2px;
    background-color: var(--gold-primary);
    border: none;
    margin-bottom: 2rem;
}

.hero-lead {
    font-size: 1.05rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1rem;
}

/* 5. Quem Somos Section */
.quem-somos-section {
    padding: 3.5rem 0;
    background-color: #ffffff;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    width: 100%;
}

.quem-somos-section .section-container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    text-align: left;
}

.quem-somos-content {
    max-width: 1000px;
    width: 100%;
}

.quem-somos-text p {
    color: var(--text-muted);
    font-size: 1.15rem;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.quem-somos-text p.highlight-text {
    font-size: 1.35rem;
    font-weight: 600;
    margin: 2rem 0;
}

/* 6. Serviços Section */
.servicos-section {
    padding: 3.5rem 0;
    background-color: var(--bg-warm);
    border-top: 1px solid var(--border-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.service-window-wrapper {
    position: relative;
    width: 100%;
    max-width: 230px;
    aspect-ratio: 190.86 / 279.5;
    margin: 0 auto;
    
    /* Perfect thin rounded gradient border */
    border: 1.5px solid transparent;
    border-radius: 96px;
    background-image: linear-gradient(var(--bg-card), var(--bg-card)), 
                      linear-gradient(160deg, #a0792f 0%, #dbbc6a 50%, #a47733 100%);
    background-origin: border-box;
    background-clip: content-box, border-box;
    
    box-shadow: 0 10px 30px rgba(168, 136, 92, 0.12);
    transition: var(--transition-smooth);
}

.service-window-wrapper:hover {
    transform: translateY(-8px);
    box-shadow: 0 18px 40px rgba(168, 136, 92, 0.22);
}

.service-window-content {
    background: transparent;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 2.2rem 1.5rem;
    text-align: center;
}

.service-icon-circle {
    width: 54px;
    height: 54px;
    border-radius: 50%;
    border: 1px solid var(--gold-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gold-dark);
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
    background-color: var(--bg-warm);
}

.service-window-wrapper:hover .service-icon-circle {
    background-color: var(--gold-primary);
    color: var(--text-light);
    transform: scale(1.05);
}

.service-window-title {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    color: var(--text-dark);
    margin-bottom: 0.75rem;
    line-height: 1.3;
    min-height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.service-window-text {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* 7. Quote Banner */
.quote-banner {
    padding: 7rem 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    text-align: center;
    position: relative;
    color: var(--text-light);
}

.quote-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 2;
}

.quote-mark {
    font-family: var(--font-serif);
    font-size: 6rem;
    color: var(--gold-primary);
    display: block;
    line-height: 0.5;
    opacity: 0.7;
}

.quote-mark.open {
    margin-bottom: -1rem;
}

.quote-mark.close {
    margin-top: 1rem;
}

.quote-text {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 400;
    letter-spacing: 0.12em;
    line-height: 1.5;
    margin: 1.5rem 0;
    color: #f7f3ed;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.quote-divider-line {
    width: 150px;
    height: 1px;
    background-color: var(--gold-primary);
    margin: 3rem auto 0;
}

/* Como Funciona Section */
.como-funciona-section {
    padding: 5rem 0;
    background-color: var(--bg-warm);
    border-top: 1px solid var(--border-color);
}

.como-funciona-white-container {
    max-width: 1100px;
    margin: 0 auto;
    box-shadow: var(--shadow-subtle);
    border: 1px solid var(--border-color);
    background-color: #ffffff;
    padding: 3.5rem;
    border-radius: 12px;
}

.como-funciona-header {
    text-align: left;
    margin-bottom: 3.5rem;
}

.como-funciona-header .section-title {
    margin-bottom: 0;
}

.como-funciona-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3.5rem;
}

.como-funciona-card {
    background-color: transparent;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.como-funciona-icon-wrapper {
    margin-bottom: 1.5rem;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.como-funciona-card-text-top {
    font-size: 0.9rem;
    color: var(--text-dark);
    line-height: 1.7;
    margin-bottom: 2.5rem;
    min-height: 70px;
}

.como-funciona-visual {
    width: 100%;
    max-width: 320px;
    height: 220px;
    margin-bottom: 2rem;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Graphic 1: Vertical lines (3 columns) */
.visual-vertical-3 {
    width: 100%;
    height: 180px;
    position: relative;
    border-left: 1px solid #e0d9cf;
    border-right: 1px solid #e0d9cf;
}

.visual-vertical-3 .divider-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 1px;
    background-color: #e0d9cf;
}

.visual-vertical-3 .cota-label {
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: #bda078;
}

.visual-vertical-3 .bird-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 145px;
    height: 145px;
}

/* Graphic 2: Vertical lines (4 columns) */
.visual-vertical-4 {
    width: 100%;
    height: 180px;
    position: relative;
    border-left: 1px solid #e0d9cf;
    border-right: 1px solid #e0d9cf;
}

.visual-vertical-4 .divider-line {
    position: absolute;
    top: 0;
    bottom: 0;
    width: 1px;
    background-color: #e0d9cf;
}

.visual-vertical-4 .cota-label-1 {
    position: absolute;
    top: -24px;
    left: 37.5%;
    transform: translateX(-50%);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: #bda078;
}

.visual-vertical-4 .cota-label-2 {
    position: absolute;
    top: -24px;
    left: 62.5%;
    transform: translateX(-50%);
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    color: #bda078;
}

.visual-vertical-4 .bird-wrapper-centered {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 145px;
    height: 145px;
}

/* Graphic 3: Horizontal lines */
.visual-horizontal {
    width: 100%;
    height: 180px;
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    padding: 10px 0;
}

.visual-horizontal .dashed-line {
    width: 100%;
    height: 1px;
    border-top: 1.2px dashed #e0d9cf;
}

.visual-horizontal .bird-wrapper {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 155px;
    height: 155px;
    background-color: #ffffff;
    padding: 15px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.como-funciona-bird-svg {
    width: 100%;
    height: auto;
}

.como-funciona-accent-line {
    width: 45px;
    height: 2px;
    background-color: #bda078;
    margin: 0 auto 2.5rem;
}

.como-funciona-card-text-bottom {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-top: auto;
}

.como-funciona-card-text-bottom.highlight {
    font-weight: 500;
    color: var(--text-dark);
}

@media (max-width: 1024px) {
    .como-funciona-white-container {
        padding: 2rem;
    }
    .como-funciona-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    .como-funciona-card-text-top {
        min-height: auto;
        margin-bottom: 1.5rem;
    }
    .como-funciona-visual {
        margin-bottom: 1.5rem;
    }
    .como-funciona-accent-line {
        margin-bottom: 1.5rem;
    }
}

/* 8. Vantagens Section */
.vantagens-section {
    padding: 3.5rem 0;
    background-color: #ffffff;
}

.vantagens-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 2.5rem;
}

.vantagem-card {
    padding: 2.5rem 1.5rem;
    text-align: center;
    border: 1px solid transparent;
    transition: var(--transition-smooth);
}

.vantagem-card:hover {
    border-color: var(--border-color);
    background-color: var(--bg-warm);
}

.vantagem-icon {
    color: var(--gold-dark);
    margin-bottom: 1.5rem;
    transition: var(--transition-smooth);
}

.vantagem-card:hover .vantagem-icon {
    transform: scale(1.1);
}

.vantagem-title {
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.vantagem-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* 9. Contact Form Section */
.contact-section {
    padding: 5rem 0;
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
}

.split-contact-container {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 4.5rem;
    align-items: center;
}

.contact-info-side {
    max-width: 520px;
}

.contact-split-title {
    font-family: var(--font-serif);
    font-size: 3rem;
    font-weight: 400;
    line-height: 1.2;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.contact-split-subtitle {
    font-family: var(--font-sans);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--gold-dark);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    position: relative;
    padding-left: 1.5rem;
}

.contact-split-subtitle::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 12px;
    height: 1px;
    background-color: var(--gold-dark);
}

.contact-form-side {
    width: 100%;
}

.contact-form-panel {
    background-color: var(--bg-warm);
    border: 1px solid var(--border-color);
    padding: 3rem;
    box-shadow: var(--shadow-subtle);
}

.luxury-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    width: 100%;
}

.form-row.split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--text-dark);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    width: 100%;
    padding: 0.85rem 1rem;
    border: 1px solid var(--border-color);
    background-color: #ffffff;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    color: var(--text-dark);
    border-radius: 0;
    transition: var(--transition-smooth);
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold-primary);
    box-shadow: 0 0 0 3px rgba(189, 160, 120, 0.1);
}

.form-group input.field-invalid,
.form-group textarea.field-invalid {
    border-color: #b03535;
}

.form-group input.field-invalid:focus,
.form-group textarea.field-invalid:focus {
    box-shadow: 0 0 0 3px rgba(176, 53, 53, 0.1);
}

.field-error-message {
    font-size: 0.72rem;
    color: #b03535;
    display: none;
    margin-top: -0.15rem;
}

.field-error-message.visible {
    display: block;
}

.form-response {
    margin-top: 1rem;
    font-size: 0.85rem;
    font-weight: 500;
    padding: 1rem;
    display: none;
}

.form-response.success {
    display: block;
    background-color: #f1f9f3;
    color: #2b7040;
    border-left: 4px solid #2b7040;
}

.form-response.error {
    display: block;
    background-color: #fdf2f2;
    color: #b03535;
    border-left: 4px solid #b03535;
}

/* 10. Bottom Branding Banner */
.bottom-banner-section {
    padding: 8rem 0;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.bottom-banner-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.brand-message {
    max-width: 650px;
    animation: floatingText 6s ease-in-out infinite;
}

@keyframes floatingText {
    0% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
    100% { transform: translateY(0); }
}

.brand-symbol {
    margin-bottom: 1.75rem;
    animation: symbolGlow 3s ease-in-out infinite;
}

@keyframes symbolGlow {
    0%, 100% { filter: drop-shadow(0 0 6px rgba(219, 188, 106, 0.35)); }
    50% { filter: drop-shadow(0 0 18px rgba(219, 188, 106, 0.75)); }
}

.brand-title {
    font-family: var(--font-serif);
    font-size: 3.5rem;
    font-weight: 300;
    letter-spacing: 0.08em;
    color: #0f1e36;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.brand-title .text-gold {
    background: linear-gradient(to right, #926d24 20%, #d8b760 40%, #ffffff 50%, #d8b760 60%, #926d24 80%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: goldShimmer 4s linear infinite;
    display: inline-block;
}

@keyframes goldShimmer {
    0% { background-position: 200% center; }
    100% { background-position: -200% center; }
}

.brand-subtitle {
    font-size: 1.1rem;
    color: #30425a;
    line-height: 1.6;
}

.gold-accent-line {
    width: 100px;
    height: 2px;
    background-color: var(--gold-dark);
    margin-top: 2rem;
}

/* 12. Footer */
.main-footer {
    background-color: var(--bg-warm);
    position: relative;
    padding-top: 2.5rem;
    overflow: hidden;
}

.main-footer::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('../images/grid-bg.svg');
    background-repeat: repeat;
    background-size: 130px auto;
    opacity: 0.16;
    pointer-events: none;
    z-index: 0;
}

.main-footer::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1.5px;
    background: linear-gradient(to right, #9f792f 0%, #dabb6a 50%, #a47733 100%);
    z-index: 2;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 2rem;
    align-items: start;
    padding-bottom: 2rem;
    position: relative;
    z-index: 1;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1.5rem;
}

.footer-tagline {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.7;
    max-width: 340px;
    margin-bottom: 1.75rem;
}

.footer-heading {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
}

.footer-nav a {
    font-size: 0.85rem;
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.footer-nav a:hover {
    color: var(--gold-dark);
}

.footer-contact-block {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-staff-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.2rem;
}

.footer-staff-role {
    font-size: 0.75rem;
    color: var(--gold-dark);
    margin-bottom: 0.75rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.05em;
}

.footer-contact-link {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.75rem;
    transition: var(--transition-smooth);
}

.footer-contact-link:hover {
    color: var(--gold-dark);
}

.footer-icon {
    color: var(--gold-primary);
    flex-shrink: 0;
}

.social-links {
    display: flex;
    gap: 0.75rem;
}

.social-icon {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    background-color: #ffffff;
    transition: var(--transition-smooth);
}

.social-icon:hover {
    background-color: var(--gold-primary);
    color: var(--text-light);
    border-color: var(--gold-primary);
    transform: translateY(-3px);
}

/* Footer bottom credit bar */
.footer-bottom {
    position: relative;
    padding: 1rem 0;
    z-index: 1;
}

.footer-bottom::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 1.5px;
    background: linear-gradient(to right, #9f792f 0%, #dabb6a 50%, #a47733 100%);
}

.footer-bottom-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
}

@media (min-width: 769px) {
    .footer-bottom-container {
        padding-right: 10.5rem;
    }
}

.footer-copyright {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-credit {
    font-size: 0.75rem;
    color: var(--text-muted);
}

.footer-credit a {
    color: var(--gold-dark);
    text-decoration: underline;
    text-underline-offset: 2px;
}

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

/* 13. Floating Actions */
.floating-whatsapp {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background-color: #25d366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    z-index: 999;
    transition: var(--transition-smooth);
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.3);
}

.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 6.5rem;
    background-color: var(--gold-primary);
    color: white;
    width: 50px;
    height: 50px;
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: var(--gold-dark);
    transform: translateY(-3px);
}

/* 14. Keyframe Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* 15. Scroll Reveal Animations & Zoom Effects */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.25, 1, 0.5, 1), transform 1s cubic-bezier(0.25, 1, 0.5, 1);
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.15s; }
.reveal-delay-2 { transition-delay: 0.3s; }
.reveal-delay-3 { transition-delay: 0.45s; }
.reveal-delay-4 { transition-delay: 0.6s; }

/* Scale variation */
.reveal-scale {
    transform: scale(0.96);
    transition: opacity 1.2s cubic-bezier(0.25, 1, 0.5, 1), transform 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

.reveal-scale.revealed {
    transform: scale(1);
}

/* Image zoom effect for detail-image */
.detail-image-wrapper {
    overflow: hidden;
}

.detail-image {
    transition: transform 1.2s cubic-bezier(0.25, 1, 0.5, 1);
}

.detail-image-wrapper:hover .detail-image {
    transform: scale(1.06);
}

/* 16. Responsive Media Queries */
@media (max-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .services-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .vantagens-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .bottom-banner-section {
        padding: 7rem 0;
        background-attachment: scroll;
    }
    
    .brand-title {
        font-size: 2.8rem;
    }
}

@media (max-width: 768px) {
    .header-cta {
        display: none;
    }
    
    .mobile-nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #ffffff;
        border-bottom: 1px solid var(--border-color);
        padding: 2rem;
        box-shadow: var(--shadow-subtle);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: var(--transition-smooth);
    }
    
    .nav-menu.open {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-menu ul {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .quem-somos-section .section-container, .detail-container, .split-contact-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .contact-info-side {
        max-width: 100%;
        text-align: center;
    }
    
    .quem-somos-content, .detail-content {
        max-width: 100%;
        text-align: center;
    }
    
    .quem-somos-image-wrapper {
        padding: 0;
    }
    
    .quem-somos-image, .detail-image {
        height: 350px;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2.75rem;
        text-align: center;
    }
    
    .footer-logo, .footer-tagline {
        margin-left: auto;
        margin-right: auto;
    }
    
    .footer-logo {
        justify-content: center;
    }
    
    .social-links {
        justify-content: center;
    }
    
    .footer-contact-block {
        align-items: center;
    }
    
    .footer-contact-link {
        justify-content: center;
    }
    
    .footer-bottom-container {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .contact-form-panel {
        padding: 2rem 1.5rem;
    }
    
    .form-row.split {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .scroll-to-top {
        right: 2rem;
        bottom: 7rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .services-grid, .vantagens-grid {
        grid-template-columns: 1fr;
    }
}