/* Fonts */
:root {
    --primary-green: #0a2e25;
    /* Darker Deep Green for background base */
    --accent-teal: #2d8a76;
    /* Teal for buttons */
    --secondary-nude: #f4e4dc;
    --text-dark: #1a1a1a;
    --text-light: #f5f5f5;
    --white: #ffffff;
    --transition: all 0.4s cubic-bezier(0.25, 1, 0.5, 1);

    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Montserrat', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Header Override for transparent look */
header {
    background: transparent;
    padding: 20px 0;
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    z-index: 100;
}

.logo {
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.5rem, 4vw, 2rem);
    font-style: italic;
    color: var(--white);
    /* Approximating the script look */
}

.logo span {
    display: block;
    font-size: 0.7rem;
    font-family: var(--font-sans);
    font-weight: 300;
    letter-spacing: 1px;
    opacity: 0.8;
    margin-top: -5px;
}

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

.desktop-nav ul {
    display: flex;
    gap: 2rem;
    color: var(--white);
    font-weight: 500;
    font-family: var(--font-sans);
}

.desktop-nav a {
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1.5px;
    opacity: 0.9;
    transition: opacity 0.3s;
    font-weight: 500;
}

.desktop-nav a:hover {
    opacity: 1;
}

body {
    font-family: var(--font-sans);
    color: var(--text-dark);
    line-height: 1.7;
    background-color: var(--white);
    overflow-x: hidden;
    font-size: 16px;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-serif);
    font-weight: 700;
    line-height: 1.2;
}


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

ul {
    list-style: none;
}

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

/* Sections */
section {
    padding: clamp(3rem, 8vw, 6rem) 0;
}

/* Build the Foundation - Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

.btn-primary:hover {
    background-color: transparent;
    color: var(--primary-green);
}

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

.btn-secondary:hover {
    background-color: var(--text-dark);
    color: var(--white);
}

/* Ticker Tape */
.ticker-wrap {
    width: 100%;
    overflow: hidden;
    background-color: var(--white);
    padding: 1rem 0;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.ticker {
    display: flex;
    white-space: nowrap;
    animation: ticker 30s linear infinite;
}

.ticker-item {
    padding: 0 2rem;
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: #ccc;
    text-transform: uppercase;
}

@keyframes ticker {
    0% {
        transform: translateX(0);
    }

    100% {
        transform: translateX(-50%);
    }
}

/* Hero Section */
/* Hero Section Refined */
.hero {
    /* Dark Deep Green Gradient */
    background: radial-gradient(circle at 75% 40%, #1a5c4d 0%, #0a2e25 40%, #020d0a 100%);
    color: var(--white);
    padding: 140px 0 80px;
    /* More top padding to account for header */
    position: relative;
    overflow: hidden;
    /* Allow tags to float if needed */
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1280px;
    /* Slightly wider */
}

.hero-content {
    flex: 1;
    max-width: 680px;
}

.hero h1 {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 5vw, 3.5rem);
    /* Adjusted for better wrap */
    line-height: 1.15;
    margin-bottom: 1.5rem;
    font-weight: 700;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.hero h2 {
    font-family: var(--font-sans);
    font-size: clamp(1rem, 2vw, 1.2rem);
    line-height: 1.6;
    margin-bottom: 2.5rem;
    font-weight: 300;
    opacity: 0.9;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
    margin-top: 2rem;
}

.btn {
    padding: 1rem 2.5rem;
    border-radius: 12px;
    font-weight: 500;
    text-transform: none;
    font-family: var(--font-sans);
    letter-spacing: 0.5px;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--accent-teal);
    border: none;
    color: var(--white);
    box-shadow: 0 4px 15px rgba(45, 138, 118, 0.3);
}

.btn-primary:hover {
    background-color: #247563;
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(45, 138, 118, 0.4);
}

.btn-secondary {
    background-color: transparent;
    border: 1px solid rgba(255, 255, 255, 0.4);
    color: var(--white);
}

.btn-secondary:hover {
    border-color: var(--white);
    background-color: rgba(255, 255, 255, 0.1);
    transform: translateY(-3px);
}

.hero-image {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-end;
    height: 100%;
    min-height: 400px;
}

/* Brain/Cloud Graphic Background */
.hero-bg-graphic {
    position: absolute;
    width: 60vw;
    height: 60vw;
    max-width: 800px;
    max-height: 800px;
    top: 50%;
    right: -10%;
    transform: translateY(-50%);
    background: radial-gradient(circle, rgba(45, 138, 118, 0.2) 0%, transparent 70%);
    z-index: 1;
    pointer-events: none;
    filter: blur(50px);
}

/* Floating Glass Tags Container */
.hero-tags-container {
    position: absolute;
    right: -20px;
    bottom: 20%;
    /* Lower placement */
    display: flex;
    flex-direction: column;
    gap: 1rem;
    z-index: 10;
    align-items: flex-end;
    pointer-events: none;
    /* Let clicks pass through if needed */
}

/* Individual Glass Tag */
.hero-glass-tag {
    /* True Glassmorphism: translucent background + blur */
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 0.8rem 1.5rem;
    border-radius: 12px;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    color: var(--white);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
    font-weight: 500;
    font-family: var(--font-sans);
    font-size: 0.9rem;
    width: fit-content;
    text-align: right;
    transition: transform 0.3s ease;
    pointer-events: auto;
}

.hero-glass-tag:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(-5px);
}

.hero-glass-tag small {
    display: block;
    font-size: 0.7rem;
    font-weight: 400;
    opacity: 0.8;
}

/* Section 1: Intro Redesign */
.intro {
    background: radial-gradient(circle at center, #ffffff 0%, #f4f4f4 100%);
    padding: 6rem 0;
    overflow: hidden;
}

.intro-content {
    display: flex;
    align-items: center;
    gap: 5rem;
    flex-direction: row;
    /* Default row */
}

/* Intro Image Section */
.intro-image-container {
    flex: 1;
    position: relative;
    display: flex;
    justify-content: center;
    align-items: flex-end;
}

.intro-image-container img {
    max-width: 350px;
    width: 100%;
    height: auto;
    border-radius: 200px 200px 0 0;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    position: relative;
    z-index: 2;
}

.intro-arch-bg {
    position: absolute;
    width: 90%;
    max-width: 300px;
    height: 380px;
    background-color: #eccbbd;
    border-radius: 200px 200px 0 0;
    bottom: -20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

/* Right text container */
.intro-text {
    flex: 1.2;
    text-align: left;
}

.intro-text h2 {
    color: var(--primary-green);
    font-size: 2.2rem;
    margin-bottom: 2rem;
    font-family: var(--font-serif);
    font-weight: 700;
}

.intro-text p {
    color: #4a4a4a;
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    text-align: justify;
    font-weight: 400;
}

/* Responsive */
@media (max-width: 900px) {
    .intro-content {
        flex-direction: column;
        gap: 3rem;
    }

    .intro-image-container {
        min-height: 400px;
    }

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

    .intro-text p {
        text-align: left;
    }
}

/* Section 2: Indications Redesign */
.indications {
    background-color: #eccbbd;
    /* Peach tone matching image */
    padding: 6rem 0;
}

.section-header {
    text-align: center;
    margin-bottom: 5rem;
}

.section-header h2 {
    color: #4a2c2a;
    /* Dark brown from image */
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-family: var(--font-serif);
    font-weight: 700;
}

.section-header p {
    color: #4a2c2a;
    max-width: 800px;
    margin: 0 auto;
    font-size: 1rem;
    opacity: 0.9;
}

.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 4rem 2rem;
    /* Vertical gap larger for floating numbers */
    padding-top: 2rem;
}

.card {
    background: var(--white);
    padding: 3rem 1.5rem 2rem;
    border-radius: 12px;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
    position: relative;
    /* For absolute positioning of number */
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    margin-top: 1.5rem;
    /* Space for the floating number */
}

.card:hover {
    transform: translateY(-5px);
}

.card-number {
    font-family: var(--font-serif);
    font-size: 1.5rem;
    color: #4a2c2a;
    position: absolute;
    top: -30px;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, #ffffff 0%, #f0ecea 100%);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    font-weight: 700;
    border: 2px solid #fff;
}

.card h3 {
    color: #4a2c2a;
    font-size: 1.1rem;
    margin: 1rem 0 0;
    font-weight: 500;
    line-height: 1.4;
}

.card p {
    font-size: 0.9rem;
    color: #6d4c4a;
    margin-top: 0.5rem;
}

@media (max-width: 900px) {
    .grid-cards {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 600px) {
    .grid-cards {
        grid-template-columns: 1fr;
    }
}

/* Section 4: Methodology Redesign */
.methodology {
    background-color: #ffffff;
    /* Clean subtle grid pattern */
    background-image:
        linear-gradient(to right, rgba(0, 0, 0, 0.03) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(0, 0, 0, 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    /* Larger grid cells */
    padding: 2rem 0 6rem;
    /* Less top padding as ticker is above */
    overflow: hidden;
    position: relative;
}

.ticker-wrap {
    width: 100%;
    overflow: hidden;
    background-color: #ffffff;
    padding: 1.5rem 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.03);
    /* Subtle separator */
    white-space: nowrap;
    position: relative;
}

.ticker {
    display: inline-block;
    animation: ticker 30s linear infinite;
}

.ticker-item {
    display: inline-block;
    padding: 0 2rem;
    font-size: 0.8rem;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-family: var(--font-sans);
    font-weight: 500;
}

@keyframes ticker {
    0% {
        transform: translate3d(0, 0, 0);
    }

    100% {
        transform: translate3d(-50%, 0, 0);
    }

    /* Assuming content is doubled */
}

.methodology-content {
    display: flex;
    align-items: center;
    gap: 6rem;
    margin-top: 3rem;
}

.methodology-text {
    flex: 1;
    text-align: left;
}

.methodology-text h2 {
    color: var(--primary-green);
    font-size: 2.2rem;
    margin-bottom: 2rem;
    font-family: var(--font-serif);
    font-weight: 700;
}

.methodology-text p {
    color: #555;
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
    text-align: left;
    max-width: 500px;
}

.methodology-image {
    flex: 1.1;
    display: flex;
    justify-content: center;
    align-items: center;
    /* Changed from flex-end to center for better vertical alignment */
    position: relative;
}

.methodology-image img {
    max-width: 380px;
    width: 100%;
    height: auto;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.1);
}

/* Image placeholder styling similar to reference */
.methodology-img-placeholder {
    width: 100%;
    /* max-width: 500px; */
    height: 100%;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.methodology-img-placeholder::after {
    content: '[Foto Profissional Laptop]';
    color: #ccc;
    font-size: 1.2rem;
    border: 2px dashed #eee;
    padding: 2rem;
    border-radius: 20px;
}

@media (max-width: 900px) {
    .methodology-content {
        flex-direction: column;
        gap: 3rem;
        text-align: center;
    }

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

    .methodology-text p {
        margin: 0 auto 1.5rem;
        text-align: center;
        /* Or justify if preferred */
    }

    .methodology-image {
        min-height: 400px;
    }
}

/* Section 5: Symptoms (Image 2) */
.symptoms {
    background-color: #eccbbd;
    /* Peach */
    padding: 6rem 0;
}

.symptoms .container {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.symptoms h2 {
    color: #4a2c2a;
    font-size: 3rem;
    font-family: var(--font-serif);
    line-height: 1.2;
    flex: 1;
    max-width: 400px;
}

.symptoms-grid {
    flex: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.check-item {
    background: var(--white);
    border: 1px solid #4a2c2a;
    color: #4a2c2a;
    padding: 1.2rem 2rem;
    border-radius: 50px;
    /* Pill shape */
    font-weight: 500;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.check-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.1);
}

/* Section 6: Rehabilitation (Image 3) */
.rehabilitation {
    background: linear-gradient(135deg, #dcfce7 0%, #ffffff 60%);
    /* Mint/Light Blue to White */
    padding: 6rem 0;
}

.rehab-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 5rem;
    flex-direction: row-reverse;
    /* Text Right, Cards Left */
}

.rehab-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.rehab-card {
    background: rgba(255, 255, 255, 0.4);
    border: 1px solid #99c7c0;
    padding: 1.5rem;
    border-radius: 12px;
    color: #2d5a52;
    font-size: 0.95rem;
    backdrop-filter: blur(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.02);
}

.rehab-right {
    flex: 1.2;
}

.rehab-right h2 {
    color: #0a2e25;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    font-family: var(--font-serif);
    font-weight: 700;
}

.rehab-right p {
    color: #444;
    margin-bottom: 1.5rem;
    text-align: justify;
    line-height: 1.7;
}

.rehab-right strong {
    color: #0a2e25;
}

/* Section 7: Treatment Journey (Image 4) */
.journey {
    background-color: #0a2e25;
    /* Dark Deep Green */
    padding: 6rem 0;
    color: var(--white);
}

.journey .section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.journey .section-header h2 {
    color: var(--white);
    margin-bottom: 0;
    font-family: var(--font-serif);
    font-size: 2.8rem;
}

.journey-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.step-card {
    background: var(--white);
    border-radius: 8px;
    padding: 3.5rem 2rem 2.5rem;
    color: #333;
    position: relative;
    transition: var(--transition);
    height: 100%;
}

.step-card:hover {
    transform: translateY(-5px);
}

.step-badge {
    position: absolute;
    top: 2rem;
    left: 2rem;
    border: 1px solid #ddd;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.7rem;
    text-transform: uppercase;
    color: #0a2e25;
    font-weight: 700;
}

.step-card h3 {
    margin-top: 1rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    color: #0a2e25;
    font-family: var(--font-serif);
    font-weight: 700;
}

.step-card p {
    font-size: 0.9rem;
    line-height: 1.6;
    color: #666;
}

/* Section 8: Final CTA (Image 1) */
/* Section 8: Final CTA (Image 1) */
.final-cta {
    background: radial-gradient(circle at center, #0a2e25 0%, #000000 100%);
    padding: 6rem 0;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
}

.final-cta h2 {
    font-family: var(--font-serif);
    font-size: 2.8rem;
    margin-bottom: 2.5rem;
    font-weight: 700;
}

.final-cta-buttons {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.final-cta .btn-primary {
    background-color: var(--accent-teal);
    border: none;
    color: var(--white);
}

.final-cta .btn-secondary {
    background: transparent;
    border: 1px solid var(--white);
    color: var(--white);
}

.final-cta .btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
}

/* Address Section */
.address-section {
    background-color: #f9f9f9;
    padding: 6rem 0;
    overflow: hidden;
}

.address-wrapper {
    display: flex;
    gap: 4rem;
    align-items: stretch;
}

.address-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.address-info h2 {
    color: var(--primary-green);
    font-family: var(--font-serif);
    font-size: 2.5rem;
    margin-bottom: 2.5rem;
    font-weight: 700;
}

.address-details {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.address-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.address-icon {
    font-size: 1.3rem;
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(10, 46, 37, 0.05);
    border-radius: 8px;
    opacity: 0.8;
}

.address-item h3 {
    color: var(--primary-green);
    font-family: var(--font-sans);
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.address-item p {
    color: #555;
    font-size: 0.95rem;
    line-height: 1.6;
    margin: 0;
}

.address-map {
    flex: 1;
    min-height: 450px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.1);
}

.address-map iframe {
    display: block;
}

/* Address Section Mobile */
@media (max-width: 900px) {
    .address-wrapper {
        flex-direction: column;
        gap: 3rem;
    }
    
    .address-info {
        text-align: center;
    }
    
    .address-info h2 {
        font-size: 2rem;
    }
    
    .address-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1rem;
    }
    
    .address-map {
        min-height: 350px;
        width: 100%;
    }
    
    .address-info .btn {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
}

@media (max-width: 600px) {
    .address-section {
        padding: 4rem 0;
    }
    
    .address-info h2 {
        font-size: 1.8rem;
    }
    
    .address-details {
        gap: 1.5rem;
    }
    
    .address-map {
        min-height: 300px;
    }
}



/* Responsive Adjustments */
@media (max-width: 900px) {
    .hero-container {
        flex-direction: column-reverse;
        text-align: center;
        padding-top: 80px;
        /* Space for fixed header */
        gap: 2rem;
    }

    .hero-content {
        padding-top: 0;
    }

    .hero-buttons {
        justify-content: center;
    }

    .intro-content {
        flex-direction: column;
    }

    .symptoms .container,
    .rehab-container {
        flex-direction: column;
        gap: 3rem;
        text-align: center;
    }

    .rehab-container {
        flex-direction: column-reverse;
    }

    .symptoms h2,
    .rehab-right h2,
    .journey .section-header h2,
    .final-cta h2 {
        font-size: 2rem;
        text-align: center;
    }

    .rehab-right p {
        text-align: center;
    }

    .symptoms-grid {
        grid-template-columns: 1fr;
        width: 100%;
    }

    .journey-steps {
        grid-template-columns: 1fr;
    }
}

/* Animations */
.fade-in-section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
    will-change: opacity, transform;
}

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

.hero-img-wrapper {
    width: 100%;
    max-width: 380px;
    position: relative;
    z-index: 2;
}

.hero-img-wrapper img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 20px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.highlight-text {
    color: var(--primary-green);
}

/* WhatsApp Floating Button */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
    cursor: pointer;
}

.whatsapp-float:hover {
    background-color: #20BA5A;
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.6);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
}

/* Animation */
@keyframes pulse {
    0% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 30px rgba(37, 211, 102, 0.7);
    }
    100% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    }
}

.whatsapp-float {
    animation: pulse 2s infinite;
}

/* Mobile Optimization */
@media (max-width: 768px) {
    .whatsapp-float {
        width: 56px;
        height: 56px;
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
}

@media (max-width: 480px) {
    .whatsapp-float {
        width: 50px;
        height: 50px;
        bottom: 15px;
        right: 15px;
    }
    
    .whatsapp-float svg {
        width: 26px;
        height: 26px;
    }
    font-weight: 600;
}

/* =========================================
   Responsive Media Queries (Mobile First Refinement)
   ========================================= */

@media (max-width: 1024px) {
    .container {
        padding: 0 2rem;
    }

    .hero h1 {
        font-size: 2.8rem;
    }
}

@media (max-width: 900px) {

    /* Header & Nav */
    header {
        position: relative;
        background-color: var(--primary-green);
        padding: 1rem 0;
    }

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

    .logo {
        font-size: 1.5rem;
        text-align: center;
        width: 100%;
        margin-bottom: 0;
    }

    .desktop-nav ul {
        justify-content: center;
        flex-wrap: wrap;
        gap: 1rem;
        font-size: 0.8rem;
    }

    /* Hero */
    .hero {
        padding: 3rem 0 4rem;
        min-height: auto;
        background: radial-gradient(circle at 50% 50%, #1a5c4d 0%, #0a2e25 60%, #020d0a 100%);
    }

    .hero-container {
        flex-direction: column-reverse;
        flex-direction: column;
        gap: 3rem;
        padding-top: 0;
    }

    .hero-content {
        text-align: center;
        padding-top: 0;
    }

    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        gap: 1rem;
    }

    .hero-image {
        display: none;
    }

    .hero-img-wrapper {
        max-width: 80%;
        margin: 0 auto;
    }

    /* Sections General */
    .intro-content,
    .methodology-content,
    .symptoms .container,
    .rehab-container {
        flex-direction: column;
        gap: 3rem;
        text-align: center;
    }

    .rehab-container {
        flex-direction: column-reverse;
    }

    .intro-text,
    .methodology-text,
    .rehab-right,
    .symptoms h2 {
        text-align: center;
    }

    .intro-text p,
    .methodology-text p,
    .rehab-right p {
        text-align: center;
        margin-left: auto;
        margin-right: auto;
        text-align: justify;
        /* Or center? User liked clean. Justify on mobile can be weird with gaps. Let's do left or center. */
        text-align: center;
    }

    .rehab-left {
        width: 100%;
    }

    .symptoms-grid {
        grid-template-columns: 1fr;
        width: 100%;
    }

    .check-item {
        justify-content: center;
    }

    /* Cards & Grids */
    .grid-cards {
        gap: 5rem 2rem;
    }

    .card {
        margin-top: 0;
    }

}

@media (max-width: 600px) {
    .hero h1 {
        font-size: 2.2rem;
    }

    .section-header h2,
    .final-cta h2 {
        font-size: 2rem;
    }

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

    .hero-bg-graphic {
        width: 100vw;
        height: 100vw;
        top: 20%;
    }

    .btn {
        width: 100%;
        padding: 1rem;
    }

    .final-cta-buttons {
        flex-direction: column;
        width: 100%;
    }
}