/* ===== VARIABLES ===== */
:root {
    --color-primary: #1B4332;
    --color-primary-light: #2D6A4F;
    --color-primary-dark: #0F2B1F;
    --color-accent: #B87333;
    --color-accent-light: #D4956A;
    --color-cream: #F5F0EB;
    --color-cream-dark: #EDE6DF;
    --color-white: #FFFFFF;
    --color-text: #2C2C2C;
    --color-text-light: #5A5A5A;
    --color-text-muted: #8A8A8A;
    --color-border: #E0D8D0;

    --font-heading: 'Cormorant Garamond', Georgia, serif;
    --font-body: 'Montserrat', -apple-system, sans-serif;

    --container-max: 1200px;
    --section-padding: 7rem 0;
    --border-radius: 8px;
    --transition: 0.3s ease;
}

/* ===== RESET ===== */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}

/* ===== UTILITIES ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section__label {
    display: block;
    font-family: var(--font-body);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

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

.section__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 400;
    color: var(--color-primary);
    line-height: 1.2;
    margin-bottom: 1rem;
}

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

.section__title--light {
    color: var(--color-cream);
}

.section__description {
    text-align: center;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto;
    font-size: 1rem;
    font-weight: 300;
}

.section__header {
    margin-bottom: 4rem;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-family: var(--font-body);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1px;
    text-transform: uppercase;
    border-radius: var(--border-radius);
    transition: var(--transition);
    cursor: pointer;
    border: none;
}

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

.btn--primary:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(27, 67, 50, 0.3);
}

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

.btn--light:hover {
    background-color: var(--color-cream);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn--full {
    width: 100%;
    text-align: center;
}

/* ===== HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: transparent;
    transition: var(--transition);
}

.header--scrolled {
    background-color: var(--color-white);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.08);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

.nav__logo img {
    height: 50px;
    width: auto;
}

.header--scrolled .nav__logo img {
    filter: none;
}

.nav__menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav__link {
    font-size: 0.85rem;
    font-weight: 400;
    letter-spacing: 0.5px;
    color: var(--color-white);
    transition: var(--transition);
    position: relative;
}

.header--scrolled .nav__link {
    color: var(--color-text);
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: var(--color-accent);
    transition: var(--transition);
}

.nav__link:hover::after {
    width: 100%;
}

.nav__link--cta {
    background-color: var(--color-accent);
    color: var(--color-white) !important;
    padding: 0.6rem 1.5rem;
    border-radius: var(--border-radius);
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    background-color: var(--color-accent-light);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

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

.header--scrolled .nav__toggle span {
    background-color: var(--color-text);
}

/* ===== HERO ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: url('assets/img/foto-atendimento.png') center/cover no-repeat;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 43, 31, 0.75) 0%, rgba(27, 67, 50, 0.65) 50%, rgba(45, 106, 79, 0.55) 100%);
}

.hero__overlay {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: none;
}

.hero__content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    padding: 2rem 0;
}

.hero__subtitle {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5.5vw, 4rem);
    font-weight: 300;
    color: var(--color-white);
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.hero__description {
    font-size: 1.05rem;
    font-weight: 300;
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
    margin-bottom: 2.5rem;
    max-width: 550px;
}

/* ===== ABOUT ===== */
.about {
    padding: var(--section-padding);
    background-color: var(--color-white);
}

.about__grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 5rem;
    align-items: center;
}

.about__image-wrapper {
    position: relative;
    border-radius: var(--border-radius);
    overflow: hidden;
    background-color: var(--color-cream);
    aspect-ratio: 3/4;
}

.about__photo {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about__content {
    padding: 1rem 0;
}

.about__text {
    color: var(--color-text-light);
    margin-bottom: 1.25rem;
    font-weight: 300;
    font-size: 0.95rem;
}

.about__stats {
    display: flex;
    gap: 3rem;
    margin-top: 2.5rem;
    padding-top: 2.5rem;
    border-top: 1px solid var(--color-border);
}

.stat__number {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--color-primary);
}

.stat__label {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ===== SERVICES ===== */
.services {
    padding: var(--section-padding);
    background-color: var(--color-cream);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
}

.service-card {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    transition: var(--transition);
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 60px rgba(27, 67, 50, 0.08);
    border-color: var(--color-border);
}

.service-card__icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--color-cream);
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.service-card__title {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.service-card__text {
    color: var(--color-text-light);
    font-size: 0.9rem;
    font-weight: 300;
    line-height: 1.8;
}

/* ===== DISEASES ===== */
.diseases {
    padding: var(--section-padding);
    background-color: var(--color-primary);
}

.diseases__intro {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    max-width: 700px;
    margin-bottom: 3rem;
}

.diseases__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.diseases__list li {
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
    font-weight: 300;
    padding: 0.5rem 0;
    padding-left: 1.2rem;
    position: relative;
}

.diseases__list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-accent);
    transform: translateY(-50%);
}

.diseases__note {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.85rem;
    font-weight: 300;
    font-style: italic;
    border-left: 3px solid var(--color-accent);
    padding-left: 1rem;
}

.diseases__note strong {
    color: var(--color-accent);
}

/* ===== PROCESS ===== */
.process {
    padding: var(--section-padding);
    background-color: var(--color-white);
}

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

.process-step {
    text-align: center;
    padding: 2rem 1.5rem;
    position: relative;
}

.process-step::after {
    content: '';
    position: absolute;
    top: 2.5rem;
    right: -1rem;
    width: 2rem;
    height: 1px;
    background-color: var(--color-border);
}

.process-step:last-child::after {
    display: none;
}

.process-step__number {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 300;
    color: var(--color-accent);
    margin-bottom: 1rem;
    line-height: 1;
}

.process-step__title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
}

.process-step__text {
    color: var(--color-text-light);
    font-size: 0.85rem;
    font-weight: 300;
    line-height: 1.8;
}

/* ===== TESTIMONIALS ===== */
.testimonials {
    padding: var(--section-padding);
    background-color: var(--color-cream);
}

.testimonials__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    position: relative;
}

.testimonial-card__quote {
    font-family: var(--font-heading);
    font-size: 4rem;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: -0.5rem;
    opacity: 0.5;
}

.testimonial-card__text {
    color: var(--color-text-light);
    font-size: 0.9rem;
    font-weight: 300;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    font-style: italic;
}

.testimonial-card__name {
    display: block;
    font-weight: 500;
    color: var(--color-primary);
    font-size: 0.9rem;
}

.testimonial-card__role {
    font-size: 0.8rem;
    color: var(--color-text-muted);
}

/* ===== CTA ===== */
.cta {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.cta__content {
    text-align: center;
    max-width: 650px;
    margin: 0 auto;
}

.cta__title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: 1rem;
    line-height: 1.3;
}

.cta__text {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 300;
    margin-bottom: 2rem;
    font-size: 1rem;
}

/* ===== FAQ ===== */
.faq {
    padding: var(--section-padding);
    background-color: var(--color-white);
}

.faq__grid {
    max-width: 750px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--color-border);
}

.faq-item__question {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem 0;
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-primary);
    text-align: left;
    transition: var(--transition);
}

.faq-item__question:hover {
    color: var(--color-accent);
}

.faq-item__icon {
    flex-shrink: 0;
    transition: transform 0.3s ease;
}

.faq-item.active .faq-item__icon {
    transform: rotate(180deg);
}

.faq-item__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.4s ease;
}

.faq-item.active .faq-item__answer {
    max-height: 200px;
    padding-bottom: 1.5rem;
}

.faq-item__answer p {
    color: var(--color-text-light);
    font-size: 0.9rem;
    font-weight: 300;
    line-height: 1.8;
}

/* ===== CONTACT ===== */
.contact {
    padding: var(--section-padding);
    background-color: var(--color-cream);
}

.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: start;
}

.contact__text {
    color: var(--color-text-light);
    font-weight: 300;
    margin-bottom: 2rem;
}

.contact__details {
    margin-bottom: 2rem;
}

.contact__item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 0;
    color: var(--color-text-light);
    font-size: 0.9rem;
}

.contact__item svg {
    color: var(--color-accent);
    flex-shrink: 0;
}

.contact__social {
    display: flex;
    gap: 1rem;
}

.contact__social-link {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: var(--color-white);
    transition: var(--transition);
}

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

.contact__form-wrapper {
    background-color: var(--color-white);
    padding: 2.5rem;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.9rem 1rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--color-text);
    transition: var(--transition);
    background-color: var(--color-cream);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-white);
}

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

/* ===== WHATSAPP FLOAT ===== */
.whatsapp-float {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    z-index: 999;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.5);
}

/* ===== FOOTER ===== */
.footer {
    padding: 4rem 0 2rem;
    background-color: var(--color-primary-dark);
    color: rgba(255, 255, 255, 0.7);
}

.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__logo {
    height: 50px;
    margin-bottom: 1rem;
}

.footer__tagline {
    font-size: 0.85rem;
    font-weight: 300;
    line-height: 1.7;
}

.footer__links h4 {
    color: var(--color-white);
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.25rem;
}

.footer__links li {
    margin-bottom: 0.75rem;
}

.footer__links a {
    font-size: 0.85rem;
    font-weight: 300;
    transition: var(--transition);
}

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

.footer__bottom {
    padding-top: 2rem;
    text-align: center;
}

.footer__bottom p {
    font-size: 0.8rem;
    font-weight: 300;
}

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

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
    .about__grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

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

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

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

    .process-step::after {
        display: none;
    }

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

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

@media (max-width: 768px) {
    :root {
        --section-padding: 5rem 0;
    }

    .nav__menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 350px;
        height: 100vh;
        background-color: var(--color-white);
        flex-direction: column;
        align-items: flex-start;
        padding: 5rem 2rem 2rem;
        gap: 1.5rem;
        transition: right 0.4s ease;
        box-shadow: -5px 0 20px rgba(0, 0, 0, 0.1);
    }

    .nav__menu.active {
        right: 0;
    }

    .nav__menu .nav__link {
        color: var(--color-text) !important;
        font-size: 1rem;
    }

    .nav__toggle {
        display: flex;
        z-index: 1001;
    }

    .nav__toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .nav__toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero__title {
        font-size: 2.2rem;
    }

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

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

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

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

    .contact__grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .about__stats {
        flex-direction: column;
        gap: 1.5rem;
    }

    .footer__grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    .hero__content {
        padding: 1rem 0;
    }

    .hero__title {
        font-size: 1.8rem;
    }

    .btn {
        padding: 0.9rem 2rem;
        font-size: 0.8rem;
    }

    .service-card {
        padding: 2rem;
    }

    .contact__form-wrapper {
        padding: 1.5rem;
    }
}