:root {
    --color-primary: #3F3F96;
    --color-primary-dark: #2D2D38;
    --color-primary-light: #5E5EB8;
    --color-accent-1: #F9A61F;
    --color-accent-2: #F7310F;
    --color-white: #FFFFFF;
    --color-black: #000000;
    --color-gray-100: #F5F5F5;
    --color-gray-200: #E0E0E0;
    --color-gray-300: #BDBDBD;
    --color-gray-600: #757575;
    --color-gray-800: #424242;
    
    --font-family: 'Roboto', sans-serif;
    
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 8rem;
    --spacing-xxl: 8rem;
    
    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --border-radius-lg: 12px;
    
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.15);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.2);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    color: var(--color-gray-800);
    line-height: 1.6;
    background-color: var(--color-white);
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section__title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 900;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: -1px;
}

.section__title--left {
    text-align: left;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    text-decoration: none;
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    transition: all var(--transition-normal);
    white-space: nowrap;
}

.btn--primary {
    background-color: var(--color-accent-1);
    color: var(--color-primary-dark);
}

.btn--primary:hover {
    background-color: var(--color-accent-2);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(247, 49, 15, 0.35);
}

.btn--primary:active {
    transform: scale(0.97);
}

.btn--glass {
    background: rgba(249, 166, 31, 0.85);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(249, 166, 31, 0.3);
}

.btn--glass:hover {
    background: rgba(247, 49, 15, 0.9);
    box-shadow: 0 8px 32px rgba(247, 49, 15, 0.4);
    transform: translateY(-3px) scale(1.02);
}

.btn--glass:active {
    transform: scale(0.97);
}

.btn--glass svg {
    margin-right: 0.5rem;
}

.btn--secondary {
    background-color: transparent;
    color: var(--color-white);
    border: 2px solid var(--color-white);
}

.btn--secondary:hover {
    background-color: var(--color-white);
    color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.btn--large {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

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

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-primary-dark);
    padding: var(--spacing-sm) 0;
    transition: background-color var(--transition-normal), box-shadow var(--transition-normal);
}

.header--scrolled {
    background-color: rgba(45, 45, 56, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
}

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

.header__menu {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header__nav-links {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.header__link {
    color: var(--color-white);
    text-decoration: none;
    font-weight: 400;
    transition: color var(--transition-fast);
}

.header__link:hover {
    color: var(--color-accent-1);
}

.header__mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.header__mobile-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background-color: var(--color-white);
    transition: all var(--transition-normal);
}

.hero {
    min-height: 100vh;
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    display: flex;
    align-items: center;
    padding-top: 120px;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(249, 166, 31, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(247, 49, 15, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
    will-change: opacity;
}

@keyframes pulse {
    0%, 100% {
        opacity: 0.5;
    }
    50% {
        opacity: 1;
    }
}

.hero__container {
    position: relative;
    z-index: 1;
}

.hero__content {
    max-width: 800px;
}

.hero__title {
    font-size: clamp(3rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: var(--spacing-md);
    color: var(--color-white);
}

.hero__title-line {
    display: block;
    animation: slideUp 0.8s ease backwards;
}

.hero__title-line--2 {
    color: var(--color-accent-1);
    animation-delay: 0.2s;
}

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

.hero__subtitle {
    font-size: clamp(1.125rem, 2vw, 1.375rem);
    color: var(--color-gray-200);
    margin-bottom: var(--spacing-lg);
    max-width: 600px;
    animation: slideUp 0.8s ease 0.4s backwards;
}

.hero__ctas {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
    animation: slideUp 0.8s ease 0.6s backwards;
}

.sobre {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.sobre__container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.sobre__text {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-bottom: var(--spacing-sm);
    line-height: 1.8;
}

.sobre__text:last-child {
    margin-bottom: 0;
}

.sobre__highlights {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.sobre__highlight {
    padding: var(--spacing-md) 0;
    border-bottom: 1px solid var(--color-gray-200);
    display: flex;
    align-items: baseline;
    gap: var(--spacing-md);
}

.sobre__highlight:first-child {
    padding-top: 0;
}

.sobre__highlight:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.sobre__highlight-number {
    font-size: 3.5rem;
    font-weight: 900;
    color: var(--color-primary);
    line-height: 1;
    min-width: 100px;
    position: relative;
}

.sobre__highlight-number::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 40px;
    height: 3px;
    background-color: var(--color-accent-1);
    border-radius: 2px;
}

.sobre__highlight-label {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    font-weight: 400;
    line-height: 1.4;
}

.servicos {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-gray-100);
}

.servicos__header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

.servicos__subtitle {
    font-size: 1.25rem;
    color: var(--color-gray-600);
    margin-top: var(--spacing-sm);
}

.servicos__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

.servicos__card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.servicos__card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
}

.servicos__icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.servicos__card-title {
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

.servicos__card-text {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* Seção Contato — Grid duas colunas */
.contato {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

.contato__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.contato__title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 900;
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    line-height: 1.2;
}

.contato__text {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: var(--spacing-md);
}

.contato__cta .btn--glass {
    margin-bottom: var(--spacing-md);
}

.contato__social {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.contato__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-fast);
}

.contato__social-link:hover {
    color: var(--color-accent-1);
    transform: translateY(-2px);
}

.contato__email-link {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color var(--transition-fast);
}

.contato__email-link:hover {
    color: var(--color-accent-1);
}

.contato__form-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
}

.contato__form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.contato__form-input,
.contato__form-textarea {
    width: 100%;
    background: transparent;
    border: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.3);
    padding: 0.75rem 0;
    font-family: var(--font-family);
    font-size: 1rem;
    color: var(--color-white);
    transition: border-color var(--transition-fast);
}

.contato__form-input:focus,
.contato__form-textarea:focus {
    outline: none;
    border-bottom-color: var(--color-accent-1);
}

.contato__form-input::placeholder,
.contato__form-textarea::placeholder {
    color: rgba(255, 255, 255, 0.5);
}

.contato__form-textarea {
    min-height: 100px;
    resize: vertical;
}

.btn--outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    color: var(--color-white);
    border: 1px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--border-radius-md);
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-normal);
    align-self: flex-start;
}

.btn--outline:hover {
    border-color: var(--color-accent-1);
    color: var(--color-accent-1);
    transform: translateY(-2px);
}

/* Modal Agendamento */
.modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 2000;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

.modal__content {
    background: var(--color-white);
    border-radius: 16px;
    max-width: 600px;
    width: 90%;
    max-height: 85vh;
    overflow-y: auto;
    padding: 2rem;
    position: relative;
    transform: translateY(20px) scale(0.97);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal__content {
    transform: translateY(0) scale(1);
}

.modal__close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-gray-100);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    color: var(--color-gray-600);
    transition: all var(--transition-fast);
    z-index: 1;
}

.modal__close:hover {
    background: var(--color-gray-200);
    color: var(--color-gray-800);
}

.modal__body {
    min-height: 400px;
}

.footer {
    background-color: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer__container {
    display: grid;
    grid-template-columns: 1fr 1fr auto;
    gap: var(--spacing-lg);
}

.footer__brand {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.footer__tagline {
    font-size: 0.875rem;
    opacity: 0.8;
    font-style: italic;
}

.footer__links {
    display: flex;
    gap: var(--spacing-lg);
}

.footer__link-title {
    font-size: 0.875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-sm);
    opacity: 0.9;
}

.footer__links ul {
    list-style: none;
}

.footer__links li {
    margin-bottom: 0.5rem;
}

.footer__links a {
    color: var(--color-white);
    text-decoration: none;
    font-size: 0.9375rem;
    opacity: 0.8;
    transition: all var(--transition-fast);
}

.footer__links a:hover {
    color: var(--color-accent-1);
    opacity: 1;
}

.footer__social {
    display: flex;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-sm);
}

.footer__social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius-md);
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.footer__social-link:hover {
    background-color: var(--color-accent-1);
    color: var(--color-primary-dark);
    transform: translateY(-2px);
}

.footer__bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.875rem;
    opacity: 0.6;
}

.back-to-top {
    position: fixed;
    bottom: 6rem;
    right: 2rem;
    width: 50px;
    height: 50px;
    background-color: var(--color-accent-1);
    color: var(--color-primary-dark);
    border: none;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: all var(--transition-normal);
    z-index: 999;
    box-shadow: var(--shadow-lg);
}

.back-to-top:hover {
    background-color: var(--color-accent-2);
    color: var(--color-white);
    transform: translateY(-2px);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

#depoimentos-dinamicos:empty {
    display: none;
}

.depoimentos__avatar img {
    border-radius: 50%;
    object-fit: cover;
}

/* Depoimentos */
.depoimentos {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.depoimentos__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.depoimentos__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.depoimentos__card {
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-white) 100%);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border: 1px solid var(--color-gray-200);
}

.depoimentos__card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.depoimentos__stars {
    display: flex;
    gap: 0.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--color-accent-1);
}

.depoimentos__text {
    color: var(--color-gray-800);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
    font-style: italic;
}

.depoimentos__author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.depoimentos__avatar {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    flex-shrink: 0;
}

.depoimentos__info {
    flex: 1;
}

.depoimentos__name {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 0.25rem;
}

.depoimentos__role {
    font-size: 0.875rem;
    color: var(--color-gray-600);
}

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

.citacao__container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.citacao__content {
    position: relative;
    padding: var(--spacing-lg) var(--spacing-md);
}

.citacao__quote-icon {
    color: var(--color-accent-1);
    opacity: 0.3;
    margin-bottom: var(--spacing-md);
}

.citacao__text {
    font-size: clamp(1.25rem, 2.5vw, 1.75rem);
    font-weight: 400;
    font-style: italic;
    line-height: 1.8;
    color: var(--color-white);
    max-width: 800px;
    margin: 0 auto;
}

/* Seção Marcelo Possa */
.marcelo {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-white);
}

.marcelo__container {
    display: grid;
    grid-template-columns: 350px 1fr;
    gap: var(--spacing-xl);
    align-items: start;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.marcelo__photo {
    position: sticky;
    top: 100px;
}

.marcelo__photo-img {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    aspect-ratio: 1;
    object-fit: cover;
}

.marcelo__role {
    font-size: 1.125rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
    font-weight: 500;
}

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

.marcelo__text {
    font-size: 1rem;
    color: var(--color-gray-600);
    line-height: 1.8;
    margin-bottom: var(--spacing-sm);
}

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

.marcelo__formacao-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
}

.marcelo__formacao-list {
    list-style: none;
    padding: 0;
}

.marcelo__formacao-item {
    display: flex;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    border-bottom: 1px solid var(--color-gray-200);
}

.marcelo__formacao-item:last-child {
    border-bottom: none;
}

.marcelo__formacao-year {
    font-weight: 700;
    color: var(--color-primary);
    min-width: 90px;
    font-size: 0.9375rem;
}

.marcelo__formacao-course {
    color: var(--color-gray-800);
    font-size: 0.9375rem;
    line-height: 1.6;
}

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

.marcelo__competencias-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-md);
}

.marcelo__competencias-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.marcelo__tag {
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
    color: var(--color-gray-800);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.marcelo__tag:hover {
    background: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.marcelo__linkedin {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

/* Seção Parceiros Estratégicos */
.parceiros {
    padding: var(--spacing-xl) 0;
    background-color: var(--color-gray-100);
}

.parceiros__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.parceiros__header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto var(--spacing-lg);
}

.parceiros__subtitle {
    font-size: 1.125rem;
    color: var(--color-gray-600);
    margin-top: var(--spacing-sm);
    line-height: 1.7;
}

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

.parceiros__card {
    background-color: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
    border-left: 4px solid var(--color-primary);
}

.parceiros__card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-left-color: var(--color-accent-1);
}

.parceiros__icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--border-radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-white);
}

.parceiros__card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--spacing-sm);
}

.parceiros__card-text {
    color: var(--color-gray-600);
    line-height: 1.7;
    font-size: 0.9375rem;
}

/* Botão flutuante WhatsApp */
.whatsapp-button {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: background-color var(--transition-normal), transform var(--transition-normal);
    z-index: 998;
}

.whatsapp-button::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6);
    animation: pulse-whatsapp 2s infinite;
    z-index: -1;
}

.whatsapp-button:hover {
    background-color: #128C7E;
    transform: scale(1.1);
}

@keyframes pulse-whatsapp {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 1; }
}

/* JS-driven scroll animations */
.js-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.js-animate--visible {
    opacity: 1;
    transform: translateY(0);
}


/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html {
        scroll-behavior: auto;
    }
}

/* Content containment for below-fold sections */
.marcelo, .parceiros, .servicos, .depoimentos, .contato, .footer {
    content-visibility: auto;
    contain-intrinsic-size: auto 500px;
}
.marcelo {
    contain-intrinsic-size: auto 800px;
}
.contato {
    contain-intrinsic-size: auto 700px;
}

@media (max-width: 968px) {
    .sobre__container {
        grid-template-columns: 1fr;
    }

    .sobre__highlights {
        margin-top: var(--spacing-md);
    }

    .marcelo__container {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .marcelo__photo {
        position: static;
        max-width: 300px;
        margin: 0 auto;
    }

    .parceiros__grid {
        grid-template-columns: 1fr;
    }

    .footer__container {
        grid-template-columns: 1fr 1fr;
    }

    .depoimentos__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header__menu {
        position: fixed;
        top: 60px;
        left: 0;
        right: 0;
        background-color: var(--color-primary-dark);
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-md);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-normal);
    }

    .header__menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

    .header__nav-links {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-sm);
    }

    .header__mobile-toggle {
        display: flex;
    }

    .header__mobile-toggle:focus {
        outline: 2px solid var(--color-accent-1);
        outline-offset: 2px;
    }

    .hero {
        padding-top: 120px;
        padding-bottom: var(--spacing-md);
    }

    .hero__ctas {
        flex-direction: column;
    }

    .hero__ctas .btn {
        width: 100%;
    }

    .sobre__highlight {
        flex-direction: column;
        gap: var(--spacing-xs);
        text-align: center;
        align-items: center;
    }

    .sobre__highlight-number {
        min-width: unset;
        font-size: 3rem;
    }

    .sobre__highlight-number::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .servicos__grid {
        grid-template-columns: 1fr;
    }

    .footer__container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .footer__bottom {
        grid-column: span 1;
    }

    .footer__links {
        flex-direction: column;
        gap: var(--spacing-md);
    }

    .footer__social {
        justify-content: center;
    }

    .back-to-top {
        bottom: 5.5rem;
        right: 1.5rem;
        width: 45px;
        height: 45px;
    }

    .whatsapp-button {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 55px;
        height: 55px;
    }

    .whatsapp-button svg {
        width: 28px;
        height: 28px;
    }

    :root {
        --spacing-lg: 3rem;
        --spacing-xl: 5rem;
        --spacing-xxl: 5rem;
    }

    .contato__grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
        text-align: center;
    }

    .contato__social {
        justify-content: center;
    }

    .btn--outline {
        align-self: stretch;
        width: 100%;
    }

    .modal-overlay {
        align-items: flex-end;
    }

    .modal__content {
        width: 100%;
        max-width: 100%;
        max-height: 95vh;
        border-radius: 16px 16px 0 0;
        transform: translateY(100%);
    }

    .modal-overlay.active .modal__content {
        transform: translateY(0);
    }
}