:root {
    --azul-escuro: #060642;
    --azul-medio: #0808a0;
    --dourado: #B8960B;
    --dourado-claro: #D4AB0F;
    --dourado-suave: rgba(184, 150, 11, 0.1);
    --cinza-escuro: #1a202c;
    --cinza-medio: #4a5568;
    --cinza-claro: #f8fafc;
    --cinza-borda: #e2e8f0;
    --branco: #ffffff;
    
    --gradiente-azul: linear-gradient(135deg, #060642 0%, #0a0a70 50%, #0808a0 100%);
    --gradiente-dourado: linear-gradient(135deg, #B8960B 0%, #D4AB0F 100%);
    --gradiente-branco: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    --gradiente-hero: linear-gradient(135deg, #060642 0%, #08085a 100%);
    
    --sombra: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.08);
    --sombra-media: 0 4px 6px rgba(0, 0, 0, 0.07), 0 5px 15px rgba(0, 0, 0, 0.10);
    --sombra-forte: 0 10px 25px rgba(0, 0, 0, 0.12), 0 8px 10px rgba(0, 0, 0, 0.08);
    --sombra-dourada: 0 4px 20px rgba(184, 150, 11, 0.3);
    --sombra-hover: 0 8px 30px rgba(0, 0, 0, 0.15);
    --sombra-xl: 0 20px 50px rgba(0, 0, 0, 0.15);
    
    --fonte-primaria: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --fonte-secundaria: 'Poppins', sans-serif;
    
    --transicao: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    --transicao-suave: all 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
}

body {
    font-family: var(--fonte-primaria);
    color: var(--cinza-escuro);
    background-color: var(--branco);
    line-height: 1.65;
    overflow-x: hidden;
    width: 100%;
    max-width: 100%;
    position: relative;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    letter-spacing: -0.011em;
}

/* Prevenir zoom automtico em iOS */
input,
select,
textarea,
button {
    font-size: 16px;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    box-sizing: border-box;
}

section {
    padding: 100px 0;
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
}

@media (max-width: 768px) {
    section {
        padding: 60px 0;
    }
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: 2px solid transparent;
    transition: var(--transicao);
    font-family: var(--fonte-secundaria);
    white-space: nowrap;
    min-width: fit-content;
    text-decoration: none;
    font-size: 1rem;
    letter-spacing: 0.02em;
    position: relative;
    overflow: hidden;
}

.btn i {
    font-size: 1em;
    display: inline-flex;
    align-items: center;
    transition: var(--transicao);
}

.btn:hover i {
    transform: scale(1.1);
}

.btn-primary {
    background: var(--gradiente-dourado);
    color: white;
    border: 2px solid transparent;
    box-shadow: var(--sombra-dourada), 0 1px 3px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    background: linear-gradient(135deg, #D4AB0F 0%, #B8960B 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(184, 150, 11, 0.4), 0 3px 10px rgba(0, 0, 0, 0.15);
}

.btn-primary:active {
    transform: translateY(0px);
    box-shadow: 0 4px 12px rgba(184, 150, 11, 0.3);
}

.btn-outline {
    background: transparent;
    color: var(--azul-escuro);
    border: 2px solid var(--azul-escuro);
}

.btn-outline:hover {
    background: var(--azul-escuro);
    color: var(--branco);
    transform: translateY(-3px);
    box-shadow: var(--sombra-media);
}

.btn-outline:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: white;
    color: #1a1a1a;
    border: 2px solid #1a1a1a;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.btn-secondary:hover {
    background: #f5f5f5;
    color: #000000;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.btn-modelo {
    width: 100%;
    margin-top: auto;
    padding: 14px 20px;
    font-size: 1rem;
    font-weight: 600;
    flex-shrink: 0;
    justify-content: center;
    position: relative;
    z-index: 5;
    pointer-events: auto;
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(0, 35, 68, 0.06);
    transition: var(--transicao);
}

header.scrolled {
    padding: 12px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--fonte-secundaria);
    font-weight: 700;
    font-size: 1.5rem;
    color: var(--azul-escuro);
    cursor: pointer;
    transition: var(--transicao);
    text-decoration: none;
}

.logo:hover {
    transform: scale(1.03);
    filter: brightness(1.1);
}

.logo-image {
    height: 40px;
    width: auto;
    max-width: 40px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.logo-text-image {
    height: 20px;
    width: auto;
    max-width: 120px;
    object-fit: contain;
    transition: all 0.3s ease;
}

.logo span {
    color: var(--dourado);
}

.logo-img-placeholder {
    width: 42px;
    height: 42px;
    background: var(--gradiente-azul);
    border-radius: 12px;
    margin-right: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--branco);
    font-weight: 700;
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transicao);
    box-shadow: 0 4px 12px rgba(6, 6, 66, 0.2);
    position: relative;
    overflow: hidden;
}

.logo-img-placeholder::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    transform: scale(0);
    transition: transform 0.5s;
}

.logo-img-placeholder:hover::before {
    transform: scale(1);
}

.logo-img-placeholder:hover {
    transform: rotate(-3deg) scale(1.08);
    box-shadow: 0 6px 20px rgba(6, 6, 66, 0.3);
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-weight: 500;
    color: var(--azul-escuro);
    position: relative;
    padding: 5px 0;
    letter-spacing: 0.02em;
    transition: var(--transicao);
}

.nav-links a::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    background: var(--dourado);
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    transition: var(--transicao);
    border-radius: 2px;
}

.nav-links a:hover {
    color: var(--dourado);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-buttons {
    display: flex;
    gap: 15px;
    align-items: center;
}

.social-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--gradiente-azul);
    color: var(--branco);
    font-size: 1.05rem;
    transition: var(--transicao);
    box-shadow: 0 4px 12px rgba(6, 6, 66, 0.2);
    position: relative;
    overflow: hidden;
}

.social-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s;
}

.social-icon:hover::before {
    width: 120%;
    height: 120%;
}

.social-icon:hover {
    transform: translateY(-3px) scale(1.1);
    background: var(--gradiente-dourado);
    box-shadow: 0 8px 20px rgba(184, 150, 11, 0.4);
}

.hamburger {
    display: none !important;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--azul-escuro);
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.hamburger:hover {
    background: var(--cinza-claro);
    color: var(--dourado);
}

/* Mobile Menu Backdrop */
.mobile-menu-backdrop {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(6, 6, 66, 0.3);
    z-index: 998;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-backdrop.active {
    display: block;
    opacity: 1;
}

/* Hero */
.hero {
    padding: 160px 0 100px;
    background: var(--gradiente-hero);
    color: var(--branco);
    position: relative;
    overflow: hidden;
    min-height: 90vh;
    text-align: center;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1451187580459-43490279c0fa?w=1920&q=80');
    background-size: cover;
    background-position: center;
    opacity: 0.06;
    z-index: 0;
    animation: subtleZoom 30s ease-in-out infinite alternate;
}

@keyframes subtleZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.05); }
}

.hero-gradient-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40%;
    background: linear-gradient(180deg, transparent 0%, rgba(255, 255, 255, 0.3) 50%, white 100%);
    pointer-events: none;
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-text {
    flex: 1;
    text-align: left;
    max-width: 600px;
}

.hero-image {
    flex: 1;
    max-width: 500px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-img {
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

.hero-center {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-main-title {
    font-size: 3.75rem;
    font-weight: 700;
    line-height: 1.15;
    color: var(--branco);
    margin-bottom: 30px;
    letter-spacing: -0.03em;
    font-family: var(--fonte-secundaria);
    text-align: center;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    animation: fadeInUp 0.8s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-subtitle {
    font-size: 1.35rem;
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: 40px;
    line-height: 1.7;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    font-weight: 400;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.btn-hero {
    background: var(--gradiente-dourado);
    color: white;
    border: 2px solid transparent;
    padding: 16px 40px;
    font-size: 1.05rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    text-transform: none;
    border-radius: 50px;
    transition: var(--transicao);
    box-shadow: 0 10px 30px rgba(184, 150, 11, 0.35), 0 4px 10px rgba(0, 0, 0, 0.1);
    margin-bottom: 50px;
    position: relative;
    overflow: hidden;
}

.btn-hero::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-hero:hover::after {
    width: 300px;
    height: 300px;
}

.btn-hero:hover {
    background: linear-gradient(135deg, #D4AB0F 0%, #E5BC0F 100%);
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 40px rgba(184, 150, 11, 0.45), 0 6px 15px rgba(0, 0, 0, 0.15);
}

.hero-bottom-links {
    display: flex;
    justify-content: center;
    gap: 50px;
    flex-wrap: wrap;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    max-width: 800px;
    margin: 0 auto;
}

.hero-link {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
    padding: 5px 0;
}

.hero-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 1px;
    background: white;
    transition: width 0.3s ease;
}

.hero-link:hover {
    color: white;
}

.hero-link:hover::after {
    width: 100%;
}

.highlight {
    color: var(--dourado);
}

.hero-features {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 40px;
}

.hero-feature {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
    font-weight: 500;
}

.hero-feature i {
    color: var(--dourado);
    font-size: 1.2rem;
}

/* Sees */
.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.75rem;
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
    font-weight: 700;
    letter-spacing: -0.03em;
    color: var(--azul-escuro);
    background: linear-gradient(135deg, var(--azul-escuro) 0%, var(--azul-medio) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title h2::after {
    content: '';
    position: absolute;
    width: 80px;
    height: 5px;
    background: var(--gradiente-dourado);
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    border-radius: 3px;
    box-shadow: 0 2px 8px rgba(184, 150, 11, 0.3);
}

.section-subtitle {
    color: var(--cinza-medio);
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Sobre */
.about {
    background: var(--cinza-claro);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
    color: var(--azul-escuro);
    font-weight: 700;
    line-height: 1.3;
    letter-spacing: -0.02em;
}

.about-text p {
    font-size: 1.05rem;
    line-height: 1.75;
    color: var(--cinza-escuro);
    margin-bottom: 15px;
}

.about-stats {
    display: flex;
    gap: 30px;
    margin-top: 30px;
}

.stat {
    text-align: center;
    padding: 20px;
    background: var(--branco);
    border-radius: 15px;
    box-shadow: var(--sombra);
    transition: var(--transicao);
}

.stat:hover {
    transform: translateY(-5px);
    box-shadow: var(--sombra-media);
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--gradiente-dourado);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--cinza-medio);
    font-weight: 500;
}

.about-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.feature-card {
    background: var(--branco);
    padding: 30px;
    border-radius: 16px;
    box-shadow: var(--sombra);
    transition: var(--transicao-suave);
    border: 1px solid var(--cinza-borda);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradiente-dourado);
    transform: scaleX(0);
    transition: transform 0.4s;
}

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

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--sombra-hover);
    border-color: var(--dourado-suave);
}

.feature-icon {
    width: 50px;
    height: 50px;
    background: var(--gradiente-dourado);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--branco);
    font-size: 1.3rem;
    margin-bottom: 15px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
}

.feature-card p {
    color: var(--cinza-medio);
    font-size: 0.95rem;
}

/* Etapas */
.steps-container {
    max-width: 800px;
    margin: 0 auto;
}

.step {
    display: flex;
    align-items: center;
    gap: 30px;
    margin-bottom: 40px;
    padding: 35px;
    background: var(--branco);
    border-radius: 18px;
    box-shadow: var(--sombra-media);
    transition: var(--transicao-suave);
    border-left: 4px solid transparent;
    position: relative;
    overflow: hidden;
}

.step::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 4px;
    height: 0;
    background: var(--gradiente-dourado);
    transition: height 0.4s ease;
}

.step:hover::before {
    height: 100%;
}

.step:hover {
    transform: translateX(8px);
    box-shadow: var(--sombra-hover);
    border-left-color: var(--dourado);
}

.step-number {
    width: 65px;
    height: 65px;
    background: var(--gradiente-azul);
    color: var(--branco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.9rem;
    font-weight: 700;
    flex-shrink: 0;
    box-shadow: 0 6px 20px rgba(6, 6, 66, 0.25);
    position: relative;
    overflow: hidden;
}

.step-number::after {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    animation: rotateGlow 4s linear infinite;
}

@keyframes rotateGlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.step-content h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--azul-escuro);
    font-weight: 600;
}

.step-content p {
    color: var(--cinza-medio);
    line-height: 1.7;
    font-size: 1rem;
}

.flexible-pricing {
    text-align: center;
    padding: 40px;
    background: linear-gradient(135deg, var(--dourado-suave) 0%, rgba(6, 6, 66, 0.03) 100%);
    border-radius: 20px;
    margin-top: 50px;
    border: 2px dashed var(--dourado);
    position: relative;
    overflow: hidden;
}

.flexible-pricing::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(184, 150, 11, 0.1) 0%, transparent 70%);
    animation: subtleRotate 20s linear infinite;
}

@keyframes subtleRotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.flexible-pricing h3 {
    color: var(--dourado);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.6rem;
    position: relative;
    z-index: 1;
}

.flexible-pricing p {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
    line-height: 1.7;
    color: var(--cinza-escuro);
}

/* Modelos */
.models {
    background: var(--cinza-claro);
}

.models-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    align-items: stretch;
}

.model-card {
    background: var(--branco);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--sombra-media);
    transition: var(--transicao-suave);
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid var(--cinza-borda);
    position: relative;
}

.model-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    border-radius: 20px;
    border: 2px solid transparent;
    background: linear-gradient(135deg, var(--dourado), var(--dourado-claro)) border-box;
    -webkit-mask: linear-gradient(#fff 0 0) padding-box, linear-gradient(#fff 0 0);
    -webkit-mask-composite: xor;
    mask-composite: exclude;
    opacity: 0;
    pointer-events: none;
    transition: var(--transicao-suave);
}

.model-card:hover::after {
    opacity: 1;
}

.model-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--sombra-xl);
}

.model-card:hover .model-image {
    background: linear-gradient(135deg, #0a0a70 0%, #0c0ce0 100%);
    transform: scale(1.05);
}

.model-card:hover .model-content h3 {
    color: var(--dourado);
}

.model-image {
    height: 200px;
    background: var(--gradiente-azul);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--branco);
    font-size: 3.5rem;
    position: relative;
    overflow: hidden;
    transition: var(--transicao-suave);
}

.model-image i {
    position: relative;
    z-index: 2;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
    animation: floatIcon 3s ease-in-out infinite;
}

@keyframes floatIcon {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}

.model-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(184, 150, 11, 0.25) 0%, transparent 70%);
    pointer-events: none;
    transition: var(--transicao-suave);
}

.model-card:hover .model-image::before {
    background: radial-gradient(circle at 70% 50%, rgba(184, 150, 11, 0.35) 0%, transparent 70%);
}

.model-image.model-image-marmoraria {
    background-image: linear-gradient(rgba(10, 24, 48, 0.35), rgba(10, 24, 48, 0.35)),
                      url('https://images.unsplash.com/photo-1600607687939-ce8a6c25118c?w=900&q=80&fit=crop');
    background-size: cover;
    background-position: center;
}

.model-image.model-image-marmoraria i {
    text-shadow: 0 4px 14px rgba(0, 0, 0, 0.6);
}

.model-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background: var(--gradiente-dourado);
    color: var(--branco);
    padding: 6px 14px;
    border-radius: 25px;
    font-size: 0.8rem;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(184, 150, 11, 0.4);
    z-index: 3;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.model-content {
    padding: 30px;
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.model-content h3 {
    font-size: 1.5rem;
    margin-bottom: 20px;
    color: var(--azul-escuro);
    font-weight: 700;
    transition: var(--transicao);
}

.model-content > p {
    color: var(--cinza-medio);
    margin-bottom: 20px;
    flex-grow: 0;
    display: none;
}

.model-features {
    margin-bottom: 25px;
    flex-grow: 1;
    list-style: none;
    padding: 0;
}

.model-features li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
    font-size: 0.95rem;
    line-height: 1.5;
}

.model-features i {
    color: var(--dourado);
    margin-top: 3px;
    flex-shrink: 0;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(6, 6, 66, 0.9);
    backdrop-filter: blur(12px) saturate(150%);
    -webkit-backdrop-filter: blur(12px) saturate(150%);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal.show {
    display: flex;
}

.modal-content {
    background: var(--branco);
    border-radius: 28px;
    width: 100%;
    max-width: 520px;
    max-height: 90vh;
    overflow-y: auto;
    padding: 40px 35px;
    position: relative;
    animation: modalSlideIn 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.3), 0 10px 30px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-40px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.close-modal {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--cinza-claro);
    border: none;
    font-size: 1.6rem;
    color: var(--cinza-medio);
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transicao);
    z-index: 10;
}

.close-modal:hover {
    background: var(--azul-escuro);
    color: var(--branco);
    transform: rotate(90deg) scale(1.15);
    box-shadow: 0 4px 12px rgba(6, 6, 66, 0.3);
}

.close-modal:active {
    transform: rotate(90deg) scale(1.05);
}

.modal-content h2 {
    text-align: center;
    margin-bottom: 5px;
}

.modal-content > p {
    text-align: center;
    color: var(--cinza-medio);
    margin-bottom: 15px;
}

.form-group {
    margin-bottom: 12px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--azul-escuro);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 14px 18px;
    border: 2px solid var(--cinza-borda);
    border-radius: 14px;
    font-size: 16px;
    transition: var(--transicao);
    background: var(--branco);
    font-family: inherit;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--dourado);
    box-shadow: 0 0 0 4px rgba(184, 150, 11, 0.15), 0 4px 12px rgba(0, 0, 0, 0.08);
    transform: translateY(-2px);
    background: #fefefe;
}

.form-group textarea {
    min-height: 60px;
    max-height: 120px;
    resize: vertical;
}

.form-footer {
    text-align: center;
    margin-top: 12px;
    color: var(--cinza-medio);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

/* Footer */
footer {
    background: var(--gradiente-azul);
    color: var(--branco);
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--dourado), transparent);
}

footer::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(184, 150, 11, 0.1) 0%, transparent 70%);
    border-radius: 50%;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 50px;
    margin-bottom: 50px;
    position: relative;
    z-index: 1;
}

.footer-column h3 {
    color: var(--branco);
    font-size: 1.4rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 12px;
    font-weight: 600;
}

.footer-column h3::after {
    content: '';
    position: absolute;
    width: 50px;
    height: 3px;
    background: var(--gradiente-dourado);
    bottom: 0;
    left: 0;
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(184, 150, 11, 0.4);
}

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.85);
    display: flex;
    align-items: center;
    gap: 10px;
    transition: var(--transicao);
    padding: 4px 0;
}

.footer-links a:hover {
    color: var(--dourado-claro);
    transform: translateX(8px);
    text-shadow: 0 2px 8px rgba(184, 150, 11, 0.3);
}

.footer-links a i {
    transition: var(--transicao);
}

.footer-links a:hover i {
    transform: scale(1.2);
    color: var(--dourado-claro);
}

.footer-links.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 20px;
}

.footer-links.contact-info i {
    color: var(--dourado);
    margin-top: 3px;
    flex-shrink: 0;
}

.footer-social {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.copyright {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* WhatsApp Float */
.whatsapp-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: var(--dourado);
    color: var(--branco);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    box-shadow: 0 4px 20px rgba(167, 136, 3, 0.3);
    z-index: 999;
    transition: all 0.3s ease;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(167, 136, 3, 0.4);
    background: var(--dourado-claro);
}

/* Animações */
.fade-in {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.25, 0.46, 0.45, 0.94), 
                transform 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger animation for multiple elements */
.fade-in:nth-child(1) { transition-delay: 0.1s; }
.fade-in:nth-child(2) { transition-delay: 0.2s; }
.fade-in:nth-child(3) { transition-delay: 0.3s; }
.fade-in:nth-child(4) { transition-delay: 0.4s; }
.fade-in:nth-child(5) { transition-delay: 0.5s; }
.fade-in:nth-child(6) { transition-delay: 0.6s; }

/* Responsividade */
@media (max-width: 992px) {
    .hero-content,
    .about-content {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    .hero-text {
        text-align: center;
    }
    
    .hero-buttons,
    .hero-features {
        justify-content: center;
    }
    
    .hero-subtitle {
        margin-left: auto;
        margin-right: auto;
    }
    
    .about-stats {
        justify-content: center;
    }
    
    .models-container {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }
}

/* Tablet landscape otimizado */
@media (min-width: 769px) and (max-width: 1024px) and (orientation: landscape) {
    .hero {
        padding: 140px 0 80px;
    }
    
    .models-container {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .modal-content {
        max-width: 600px;
    }
}

@media (max-width: 768px) {
    *, *::before, *::after {
        box-sizing: border-box !important;
    }
    
    body, html {
        overflow-x: hidden !important;
        max-width: 100vw !important;
        width: 100% !important;
    }
    
    .container {
        padding: 0 15px;
        max-width: 100%;
        width: 100%;
        overflow-x: hidden;
    }
    
    section {
        overflow-x: hidden !important;
        max-width: 100vw !important;
    }
    
    .nav-links,
    .nav-buttons {
        display: none;
    }
    
    .nav-links.mobile-menu-active {
        display: flex !important;
        flex-direction: column;
        position: fixed;
        top: 70px;
        right: 15px;
        width: calc(100vw - 30px);
        max-width: 350px;
        max-height: calc(100vh - 90px);
        overflow-y: auto;
        background: white;
        box-shadow: 0 10px 40px rgba(6, 6, 66, 0.25);
        border-radius: 15px;
        z-index: 999;
        animation: slideDown 0.3s ease-out;
        padding: 20px;
        gap: 8px;
        border: 2px solid var(--cinza-borda);
    }
    
    .nav-buttons.mobile-menu-active {
        display: flex !important;
        flex-direction: row;
        position: fixed;
        top: 70px;
        right: 15px;
        width: calc(100vw - 30px);
        max-width: 350px;
        background: white;
        box-shadow: 0 10px 40px rgba(6, 6, 66, 0.25);
        border-radius: 15px;
        z-index: 999;
        animation: slideDown 0.3s ease-out;
        padding: 20px;
        gap: 15px;
        border: 2px solid var(--cinza-borda);
        justify-content: center;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-20px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .nav-links.mobile-menu-active a {
        display: block;
        padding: 14px 20px;
        border-radius: 10px;
        transition: all 0.3s ease;
        font-size: 1.05rem;
        font-weight: 500;
        text-align: center;
        border: 1px solid transparent;
        color: var(--azul-escuro);
    }
    
    .nav-links.mobile-menu-active a:hover {
        background: var(--azul-escuro);
        color: white;
        border-color: var(--azul-escuro);
        transform: scale(1.02);
    }
    
    .nav-links.mobile-menu-active .social-icon {
        width: 48px;
        height: 48px;
        border-radius: 50%;
        font-size: 1.2rem;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--gradiente-azul);
        color: white;
        margin: 8px auto;
    }
    
    .nav-links.mobile-menu-active .social-icon i {
        font-size: 1.3rem;
        color: white;
    }
    
    .nav-links.mobile-menu-active .social-icon:hover {
        background: var(--gradiente-dourado);
        transform: scale(1.1);
    }
    
    .mobile-social-icons-container {
        display: flex;
        justify-content: center;
        gap: 15px;
        padding: 10px 0;
        margin-top: 10px;
        border-top: 1px solid var(--cinza-borda);
    }
    
    .hamburger {
        display: flex !important;
        align-items: center;
        justify-content: center;
    }
    
    header {
        padding: 15px 0;
    }
    
    .logo {
        font-size: 1.3rem;
        gap: 8px;
    }
    
    .logo-image {
        height: 30px;
        max-width: 30px;
    }
    
    .logo-text-image {
        height: 16px;
        max-width: 90px;
    }
    
    .logo-img-placeholder {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .hero {
        min-height: 80vh;
        padding: 140px 20px 80px;
    }
    
    .hero-content {
        flex-direction: column;
        gap: 40px;
    }
    
    .hero-text {
        text-align: center;
        max-width: 100%;
    }
    
    .hero-image {
        max-width: 100%;
        order: -1;
    }
    
    .hero-img {
        max-width: 350px;
    }
    
    .hero-main-title {
        font-size: 2.2rem;
        margin-bottom: 25px;
        text-align: center;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 35px;
        text-align: center;
    }
    
    .btn-hero {
        width: 100%;
        max-width: 350px;
        padding: 14px 30px;
        font-size: 1rem;
        margin-bottom: 20px;
        display: flex;
        margin-left: auto;
        margin-right: auto;
    }
    
    /* Container de botões do hero */
    .hero .container > div[style*="display: flex"] {
        flex-direction: column !important;
        align-items: center !important;
        gap: 15px !important;
    }
    
    .hero-bottom-links {
        flex-direction: column;
        gap: 25px;
        padding-top: 15px;
    }
    
    .hero-link {
        font-size: 0.9rem;
    }
    
    .section-title h2 {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .section-title p,
    .section-subtitle {
        font-size: 1rem;
        padding: 0 10px;
    }
    
    .about-features {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 20px;
    }
    
    .feature-card {
        padding: 20px;
    }
    
    .feature-card h3 {
        font-size: 1.2rem;
    }
    
    .feature-card p {
        font-size: 0.9rem;
    }
    
    .about-stats {
        gap: 20px;
        flex-wrap: wrap;
    }
    
    .stat {
        min-width: 100px;
    }
    
    .stat-number {
        font-size: 1.8rem;
    }
    
    .step {
        flex-direction: column;
        text-align: center;
        gap: 20px;
        padding: 25px 20px;
    }
    
    .step-number {
        width: 55px;
        height: 55px;
        font-size: 1.6rem;
    }
    
    .step-content h3 {
        font-size: 1.2rem;
    }
    
    .step-content p {
        font-size: 0.95rem;
    }
    
    .models-container {
        grid-template-columns: 1fr;
        gap: 18px;
    }

    .model-card {
        min-height: auto;
        max-width: 100%;
    }

    .model-image {
        height: 180px;
        font-size: 2.8rem;
    }

    .model-content {
        padding: 20px;
    }

    .model-content h3 {
        font-size: 1.25rem;
        min-height: auto;
    }

    .model-features {
        margin-bottom: 15px;
    }

    .btn-modelo {
        width: 100%;
        justify-content: center;
        padding: 12px 16px;
        font-size: 0.95rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .whatsapp-float {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
}

@media (max-width: 576px) {
    section {
        padding: 50px 0;
    }
    
    .hero {
        min-height: 80vh;
        padding: 120px 15px 60px;
    }
    
    .hero-main-title {
        font-size: 1.8rem;
        line-height: 1.3;
        text-align: center;
        padding: 0 10px;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        text-align: center;
        padding: 0 10px;
    }
    
    .btn-hero {
        padding: 12px 25px;
        font-size: 0.95rem;
        margin-bottom: 15px;
        display: flex;
        margin-left: auto;
        margin-right: auto;
        width: 100%;
        max-width: 320px;
    }
    
    /* Container de botões do hero em telas pequenas */
    .hero .container > div[style*="display: flex"] {
        flex-direction: column !important;
        align-items: center !important;
        gap: 12px !important;
        padding: 0 10px;
        margin-bottom: 30px !important;
    }
    
    .hero-bottom-links {
        gap: 20px;
    }
    
    .hero-link {
        font-size: 0.85rem;
    }
    
    .container {
        padding: 0 15px;
    }
    
    /* Ajuste do menu mobile para telas pequenas */
    .nav-links.mobile-menu-active {
        width: calc(100vw - 30px);
        right: 15px;
        left: auto;
        max-width: none;
    }
    
    .nav-buttons.mobile-menu-active {
        width: calc(100vw - 30px);
        right: 15px;
        left: auto;
        max-width: none;
    }
    
    .nav-links.mobile-menu-active a {
        font-size: 0.95rem;
        padding: 12px 16px;
    }
    
    .nav-buttons.mobile-menu-active .social-icon {
        width: 48px;
        height: 48px;
        font-size: 1.1rem;
    }
    
    .modal-content {
        padding: 25px 15px;
        width: 95%;
        max-width: 95%;
    }
    
    .close-modal {
        top: 15px;
        right: 15px;
        width: 35px;
        height: 35px;
        font-size: 1.5rem;
    }
    
    .form-group {
        margin-bottom: 15px;
    }
    
    .form-group input,
    .form-group textarea,
    .form-group select {
        padding: 14px;
        font-size: 16px;
    }
    
    .modal-content h2 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 12px 20px;
        font-size: 0.95rem;
    }
    
    .hero-buttons .btn {
        padding: 14px 24px;
    }
    
    .section-title h2 {
        font-size: 1.8rem;
    }
    
    .section-subtitle {
        font-size: 0.95rem;
    }

    .about-features {
        grid-template-columns: 1fr;
    }

    .models-container {
        grid-template-columns: 1fr;
    }
}

/* Media query adicional para dispositivos muito pequenos */
@media (max-width: 375px) {
    .logo {
        gap: 5px;
    }
    
    .logo-image {
        height: 30px;
        max-width: 30px;
    }
    
    .logo-text-image {
        height: 16px;
        max-width: 90px;
    }
    
    .hero-text h1 {
        font-size: 1.4rem;
    }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .hero-features {
        font-size: 0.8rem;
        justify-content: center;
        gap: 20px;
        margin-top: 30px;
    }
    
    .hero-features span {
        font-size: 0.8rem;
    }
    
    .hero-feature {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .btn {
        padding: 11px 18px;
        font-size: 0.9rem;
    }
    
    .modal-content {
        padding: 20px 12px;
    }
    
    .modal-content h2 {
        font-size: 1.3rem;
    }
    
    .form-group label {
        font-size: 0.9rem;
    }
}

/* Animações de entrada */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.fade-in {
    opacity: 0;
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

.fade-in.visible {
    animation: fadeInUp 0.8s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

/* Delays para animações sequenciais */
.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.3s; }
.fade-in:nth-child(4) { animation-delay: 0.4s; }
.fade-in:nth-child(5) { animation-delay: 0.5s; }
.fade-in:nth-child(6) { animation-delay: 0.6s; }

/* Animações para botões com pulse sutil */
@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(167, 136, 3, 0.4);
    }
    50% {
        box-shadow: 0 0 0 10px rgba(167, 136, 3, 0);
    }
}

/* =========================================================
   SIMETRIA GLOBAL DOS CARDS (SITE PRINCIPAL)
   ========================================================= */
.models-container,
.about-features,
.footer-content {
    align-items: stretch;
}

.model-card,
.feature-card {
    height: 100%;
    display: flex;
    flex-direction: column;
}

.model-content,
.feature-card {
    flex: 1 1 auto;
}

.model-content .btn-modelo {
    margin-top: auto;
}

.btn-primary.pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

/* Loading states */
.loading {
    pointer-events: none;
    opacity: 0.6;
    position: relative;
}

.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 20px;
    height: 20px;
    border: 2px solid var(--dourado);
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: translate(-50%, -50%) rotate(360deg); }
}

/* Otimizaes para telas Retina e alta densidade */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    body {
        -webkit-font-smoothing: subpixel-antialiased;
    }
    
    .btn,
    .model-card,
    .modal-content {
        -webkit-backface-visibility: hidden;
        backface-visibility: hidden;
    }
}

/* Melhorias de acessibilidade */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Dark mode preparao (opcional) */
@media (prefers-color-scheme: dark) {
    /* Manter light mode por enquanto, mas preparado para futuro */
}

/* Print styles */
@media print {
    header,
    .hamburger,
    .social-icon,
    .btn,
    .modal {
        display: none !important;
    }

    /* -----------------------------
       Responsive utilities & visual polish
       - Fluid typography
       - Consistent card and form styles
       - Responsive containers and reduced paddings on small screens
    ------------------------------ */

    :root {
        --fluid-min: 14px;
        --fluid-max: 18px;
    }

    html { --base-font-size: 16px; }
    body { font-size: clamp(var(--fluid-min), 1.02vw + 0.6rem, var(--fluid-max)); }

    h1, h2, h3, h4, h5 {
        color: var(--azul-escuro);
        font-family: var(--fonte-secundaria);
        margin-bottom: 18px;
        line-height: 1.15;
    }

    h1 { font-size: clamp(1.6rem, 2.8vw, 3.2rem); color: var(--branco); }
    h2 { font-size: clamp(1.35rem, 2.2vw, 2.6rem); }

    .card, .feature-item, .portfolio-item, .menu-item-card {
        background: var(--branco);
        border-radius: 12px;
        padding: 22px;
        box-shadow: var(--sombra-media);
        border: 1px solid var(--cinza-borda);
    }

    /* Forms */
    input[type="text"], input[type="email"], input[type="tel"], textarea, select {
        width: 100%;
        padding: 12px 14px;
        border-radius: 10px;
        border: 1px solid var(--cinza-borda);
        box-sizing: border-box;
        font-size: 1rem;
    }

    textarea { min-height: 120px; }

    /* Buttons refinement */
    .btn { border-radius: 10px; padding: 12px 20px; }
    .btn-primary { border-radius: 12px; padding: 12px 22px; }

    /* Responsive adjustments */
    @media (max-width: 1024px) {
        .container { max-width: 960px; padding: 0 18px; }
    }

    @media (max-width: 768px) {
        section { padding: 40px 0; }
        .container { padding: 0 16px; }
        .nav-links { display: none; }
        .hamburger { display: inline-flex !important; }
        header { padding: 12px 0; }
        .modelo-header h1 { font-size: 1.6rem; }
    }

    @media (max-width: 420px) {
        body { font-size: 15px; }
        .btn { padding: 10px 14px; font-size: 0.95rem; }
    }

    /* Ensure iframes and embeds are responsive globally */
    iframe { max-width: 100%; width: 100%; height: auto; border: 0; }

    /* Accent helpers */
    .accent-dourado { color: var(--dourado); }
    .bg-azul { background: var(--gradiente-azul); color: white; }

    /* subtle utility spacing */
    .gap-sm { gap: 8px; }
    .gap-md { gap: 16px; }
    .text-center { text-align: center; }

    /* Reusable embed wrapper for videos/maps: use <div class="embed-responsive"><iframe ...></iframe></div> */
    .embed-responsive {
        position: relative;
        padding-top: 56.25%; /* 16:9 */
        width: 100%;
        overflow: hidden;
        border-radius: 12px;
        background: #fff;
    }
    .embed-responsive iframe,
    .embed-responsive embed,
    .embed-responsive video {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        border: 0;
    }
    
    body {
        background: white;
        color: black;
    }
    
    section {
        page-báreak-inside: avoid;
    }
}