/* 
   IZABELA FISIOTERAPEUTA - DESIGN SYSTEM 
   Concept: "Movimento com Propósito"
*/

:root {
    /* Clean Blue Palette */
    --primary-blue: #708090;
    --bg-light: #FBFCFF;
    --blue-pale: #E6EEF5;
    --blue-soft: #D1DCE8;
    --deep-slate: #4A5568;
    --accent-blue: #8FA1B3;
    
    --text-dark: #2D3748;
    --text-muted: #718096;
    
    --glass: rgba(251, 252, 255, 0.9);
    --glass-border: rgba(112, 128, 144, 0.1);

    /* Typography */
    --font-serif: 'Playfair Display', serif;
    --font-sans: 'Montserrat', sans-serif;

    /* Spacing */
    --section-padding: 80px 8%;
    --container-max: 1100px;
    --transition-smooth: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

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

p {
    color: var(--text-muted);
}

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

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

svg {
    width: 1.2em;
    height: 1.2em;
    stroke-width: 1.5px;
    vertical-align: middle;
}

.container {
    max-width: var(--container-max);
    margin: 0 auto;
    width: 100%;
}

/* --- REUSABLE COMPONENTS --- */

.btn {
    display: inline-block;
    padding: 16px 32px;
    border-radius: 50px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    border: none;
    transition: var(--transition-smooth);
    text-align: center;
}

.btn-primary {
    background-color: var(--primary-blue);
    color: white;
    box-shadow: 0 8px 25px rgba(112, 128, 144, 0.25);
}

.btn-primary:hover {
    background-color: var(--deep-slate);
    transform: translateY(-4px);
    box-shadow: 0 12px 35px rgba(112, 128, 144, 0.2);
}

.btn-outline {
    border: 2px solid var(--primary-blue);
    color: var(--primary-blue);
    margin-left: 15px;
}

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

.section-title h2 {
    font-size: 3rem;
    letter-spacing: -0.5px;
    margin-bottom: 20px;
    color: var(--primary-blue);
}

.section-title .divider {
    width: 40px;
    height: 2px;
    background-color: var(--sage);
    margin: 0 auto;
}

/* --- HEADER --- */

header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 5%;
    z-index: 1000;
    transition: var(--transition-smooth);
}

header.scrolled {
    background: var(--glass);
    backdrop-filter: blur(10px);
    padding: 15px 5%;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: var(--container-max);
    margin: 0 auto;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
}

.logo-img {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-blue);
}

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

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

.social-link svg {
    width: 20px;
    height: 20px;
    vertical-align: middle;
}

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
}

/* --- HERO --- */

.hero {
    min-height: 100vh;
    padding: 100px 5% 60px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
    z-index: 10;
}

.hero-tagline {
    display: inline-block;
    color: var(--accent-blue);
    text-transform: uppercase;
    letter-spacing: 3px;
    font-weight: 700;
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.hero-content h1 {
    font-size: 3.8rem;
    margin-bottom: 25px;
    line-height: 1.1;
    color: var(--text-dark);
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 35px;
    color: var(--text-muted);
}

.hero-visual {
    position: relative;
}

.hero-image-box {
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; /* Organic shape */
    overflow: hidden;
    box-shadow: 30px 30px 0 var(--blue-pale);
    animation: morph 8s ease-in-out infinite;
}

.hero-image-box img {
    width: 100%;
    height: 550px;
    object-fit: cover;
}

.hero-floating-card {
    position: absolute;
    bottom: 40px;
    left: -30px;
    background: white;
    padding: 20px 25px;
    border-radius: 15px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    display: flex;
    align-items: center;
    gap: 15px;
    animation: float 4s ease-in-out infinite;
}

.hero-floating-card i {
    color: var(--primary-blue);
    width: 24px;
    height: 24px;
}

@keyframes morph {
    0% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    50% { border-radius: 50% 50% 33% 67% / 55% 27% 73% 45%; }
    100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

/* --- ABOUT --- */

.about {
    padding: var(--section-padding);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 20px 20px 60px rgba(0,0,0,0.05);
}

.about-image img {
    width: 100%;
    height: 600px;
    object-fit: cover;
}

.about-text h3 {
    font-size: 2rem;
    margin-bottom: 20px;
}

.crefito-badge {
    display: inline-block;
    padding: 6px 18px;
    background: var(--blue-pale);
    color: var(--primary-blue);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 1px;
    border: 1px solid rgba(112, 128, 144, 0.2);
    border-radius: 4px;
    margin-bottom: 25px;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
}

/* --- CERTIFICATIONS --- */

.certifications {
    padding: 60px 8%;
    background-color: white;
    border-top: 1px solid var(--blue-pale);
    border-bottom: 1px solid var(--blue-pale);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.cert-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.cert-item i {
    color: var(--primary-blue);
    width: 35px;
    height: 35px;
    stroke-width: 1.5px;
}

.cert-item span {
    font-family: var(--font-sans);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--deep-slate);
    text-transform: uppercase;
    letter-spacing: 1px;
}

@media (max-width: 768px) {
    .cert-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
}

/* --- SERVICES --- */

.services {
    padding: var(--section-padding);
    background-color: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--blue-pale);
    border: 1px solid rgba(112, 128, 144, 0.1);
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-10px);
    background: white;
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.service-icon {
    font-size: 2.5rem;
    margin-bottom: 30px;
    display: block;
    color: var(--primary-blue);
    stroke-width: 1.25px;
}

.service-card h4 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

/* --- EVALUATION --- */

.evaluation {
    padding: var(--section-padding);
}

.evaluation-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    margin-top: 50px;
}

.eval-step {
    text-align: center;
    padding: 30px;
    background: var(--blue-pale);
    border-radius: 20px;
    transition: var(--transition-smooth);
}

.eval-step:hover {
    transform: translateY(-5px);
    background: white;
    box-shadow: 0 10px 30px rgba(0,0,0,0.05);
}

.step-num {
    font-family: var(--font-serif);
    font-size: 3rem;
    color: var(--accent-blue);
    opacity: 0.3;
    margin-bottom: 10px;
}

.eval-step h4 {
    margin-bottom: 15px;
    color: var(--primary-blue);
}

/* --- METHOD REFERENCE --- */

.method {
    padding: var(--section-padding);
    background-color: var(--blue-pale);
}

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

.method-quote-box {
    position: relative;
    padding-left: 40px;
}

.quote-icon {
    position: absolute;
    left: 0;
    top: 0;
    color: var(--accent-blue);
    width: 30px;
    height: 30px;
    opacity: 0.5;
}

.method-quote-box blockquote {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    line-height: 1.5;
    color: var(--primary-blue);
    font-style: italic;
    margin-bottom: 20px;
    text-align: left;
}

.method-quote-box cite {
    font-family: var(--font-sans);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    color: var(--deep-slate);
}

.method-image img {
    border-radius: 10px;
    box-shadow: 20px 20px 0 var(--blue-soft);
}

/* --- CONTACT --- */

.contact {
    padding: var(--section-padding);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
}

.contact-info h4 {
    font-size: 1.8rem;
    margin-bottom: 25px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.contact-item i {
    color: var(--terracotta);
    font-size: 1.2rem;
}

.map-container {
    height: 300px;
    border-radius: 15px;
    overflow: hidden;
    margin-top: 30px;
    background: #eee;
}

.contact-form {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.05);
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    font-size: 0.9rem;
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: inherit;
    transition: var(--transition-smooth);
}

.form-group input:focus, .form-group textarea:focus {
    outline: none;
    border-color: var(--sage);
    box-shadow: 0 0 0 3px rgba(163, 177, 138, 0.1);
}

/* --- FOOTER --- */

footer {
    padding: 60px 5%;
    background: var(--beige-light);
    color: var(--text-muted);
    text-align: center;
    border-top: 1px solid var(--sand);
}

/* --- SOCIAL FLOATS --- */

.social-floats {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

.float-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    transition: var(--transition-smooth);
    text-decoration: none;
}

.float-btn:hover {
    transform: scale(1.1) translateY(-5px);
}

.whatsapp-float {
    background-color: #25D366;
    animation: pulse 2s infinite;
}

.instagram-float {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.float-btn i, .float-btn svg {
    width: 28px;
    height: 28px;
}

@keyframes pulse {
    0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { transform: scale(1.05); box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* --- RESPONSIVE --- */

@media (max-width: 1024px) {
    .services-grid { grid-template-columns: 1fr 1fr; }
    .hero-content h1 { font-size: 3rem; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .mobile-menu-btn { 
        display: block; 
        cursor: pointer;
    }
    .mobile-menu-btn svg {
        width: 30px;
        height: 30px;
    }
    .about-grid, .contact-grid { grid-template-columns: 1fr; }
    .services-grid { grid-template-columns: 1fr; }
    .hero-content h1 { font-size: 2.5rem; }
    .section-padding { padding: 60px 5%; }
    .about-image img { height: 400px; }
}

/* --- ANIMATIONS --- */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* --- GALLERY --- */

.gallery {
    padding: var(--section-padding);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 350px;
    cursor: pointer;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.gallery-item:hover img {
    transform: scale(1.08);
}

.gallery-overlay {
    position: absolute;
    inset: 0;
    background: rgba(112, 128, 144, 0.4);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
}

.gallery-overlay i {
    color: white;
    font-size: 2rem;
}

/* --- VIDEO GALLERY --- */

.video-gallery {
    padding: var(--section-padding);
    background-color: var(--green-bg);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.video-item {
    text-align: center;
}

.video-wrapper {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    aspect-ratio: 9 / 16; /* Short videos look best in vertical/portrait */
    background: #000;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.video-wrapper:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.video-wrapper:hover video {
    transform: scale(1.05);
}

.video-play-btn {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.2);
    opacity: 1;
    transition: var(--transition-smooth);
}

.video-wrapper:hover .video-play-btn {
    opacity: 0;
}

.video-play-btn i {
    color: white;
    width: 40px;
    height: 40px;
    stroke-width: 1.5px;
}

.video-caption {
    margin-top: 15px;
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 0.95rem;
    color: var(--primary-blue);
}

@media (max-width: 768px) {
    .video-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* --- CHAT PROTOTYPE --- */

.chat-section {
    padding: var(--section-padding);
}

.chat-container {
    max-width: 700px;
    margin: 0 auto;
    background: white;
    border-radius: 20px;
    box-shadow: 0 15px 40px rgba(0,0,0,0.05);
    overflow: hidden;
}

.chat-header {
    background: var(--primary-blue);
    color: white;
    padding: 20px;
    text-align: center;
}

.chat-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    max-height: 400px;
    overflow-y: auto;
}

.chat-msg {
    max-width: 80%;
    padding: 12px 18px;
    border-radius: 15px;
    font-size: 0.95rem;
    animation: fadeIn 0.3s ease;
}

.chat-msg.bot {
    background: var(--blue-pale);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
}

.chat-msg.user {
    background: var(--primary-blue);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 2px;
}

.chat-options {
    padding: 20px;
    border-top: 1px solid var(--blue-pale);
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    justify-content: center;
}

.chat-option {
    padding: 8px 16px;
    background: var(--bg-light);
    border: 1px solid var(--primary-blue);
    border-radius: 20px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.chat-option:hover {
    background: var(--blue-pale);
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- TESTIMONIALS --- */

.testimonials {
    padding: var(--section-padding);
    background-color: var(--bg-light);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.testimonial-card {
    background: white;
    padding: 40px;
    border-radius: 20px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.03);
    border: 1px solid var(--blue-pale);
    text-align: center;
}

.stars {
    color: var(--accent-blue);
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.testimonial-card p {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.1rem;
    color: var(--text-dark);
    margin-bottom: 25px;
}

.testimonial-card h5 {
    font-family: var(--font-sans);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--primary-blue);
}

@media (max-width: 768px) {
    .evaluation-grid, .testimonials-grid { grid-template-columns: 1fr; }
}