:root {
    --sage-bg: #c5d1c2;
    --sage-light: #e0e8df;
    --navy-primary: #1b3a4b;
    --navy-hover: #132a36;
    --white: #ffffff;
    --whatsapp-green: #25d366;
    --text-dark: #1b3a4b;
    --text-muted: #4a636e;
    --font-main: 'Inter', sans-serif;
    --max-width: 1100px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--text-dark);
    line-height: 1.6;
    background-color: var(--white);
}

/* Pre Header */
.pre-header {
    background-color: var(--navy-primary);
    color: var(--white);
    padding: 0.5rem 5%;
    font-size: 0.85rem;
}

.pre-header-content {
    display: flex;
    justify-content: flex-end;
    gap: 1.5rem;
}

.pre-header a {
    color: var(--white);
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.4rem;
    transition: opacity 0.3s;
}

.pre-header a:hover {
    opacity: 0.8;
}

/* Header Fixo */
.top-bar {
    position: sticky;
    top: 0;
    width: 100%;
    background: var(--white);
    padding: 0.8rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 15px rgba(0,0,0,0.05);
    z-index: 1000;
}

.top-bar-text {
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--navy-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.top-nav ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
}

.top-nav a {
    text-decoration: none;
    color: var(--navy-primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    transition: var(--transition);
}

.top-nav a:hover {
    color: var(--text-muted);
}

/* Esconder menu em telas muito pequenas para não quebrar o layout */
@media (max-width: 850px) {
    .top-nav {
        display: none;
    }
}

/* Hero Section */
.hero {
    padding: 120px 5% 60px;
    background-color: var(--white);
    background-image: linear-gradient(to right, rgba(255, 255, 255, 1) 45%, rgba(255, 255, 255, 0) 75%, rgba(255, 255, 255, 0) 95%, rgba(255, 255, 255, 1) 100%), url('foto_clarissa.webp');
    background-size: auto 85%;
    background-position: 110% center;
    background-repeat: no-repeat;
    display: flex;
    justify-content: center;
    min-height: 80vh;
    align-items: center;
}

.hero-container {
    max-width: var(--max-width);
    width: 100%;
    display: flex;
    justify-content: flex-start;
}

.hero-content {
    max-width: 550px;
}

.hero-content h1 {
    font-size: 3rem;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: var(--navy-primary);
}

.hero-content p {
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    color: var(--text-muted);
}

/* Checklist Section */
.symptoms-section {
    background-color: var(--navy-primary);
    color: var(--white);
    padding: 4rem 5%;
    text-align: center;
}

.symptoms-grid {
    max-width: var(--max-width);
    margin: 3rem auto 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.symptom-card {
    background: rgba(255,255,255,0.05);
    padding: 1.5rem;
    border-radius: 15px;
    display: flex;
    align-items: center;
    gap: 1rem;
    text-align: left;
}

.symptom-card span {
    color: var(--sage-bg);
    font-size: 1.5rem;
}

/* Educacional Section */
.info-section {
    padding: 6rem 5%;
    background-color: var(--sage-light);
}

.info-container {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.info-container h2 {
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
    color: var(--navy-primary);
}

/* About Section */
.about-section {
    padding: 6rem 5%;
    display: flex;
    justify-content: center;
}

.about-container {
    max-width: var(--max-width);
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 5rem;
    align-items: center;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 700;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-whatsapp {
    background-color: var(--whatsapp-green);
    color: white;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: var(--navy-primary);
    color: white;
    font-size: 1.1rem;
    box-shadow: 0 10px 20px rgba(27, 58, 75, 0.2);
}

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

/* Placeholder Img */
.img-placeholder {
    width: 100%;
    aspect-ratio: 1/1;
    background: #e2e8f0;
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #94a3b8;
    border: 2px dashed #cbd5e1;
}

/* Appointment & Map Section */
.appointment-container {
    max-width: var(--max-width);
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    text-align: left;
}

.appointment-map {
    width: 100%;
}

/* Responsive updates */
@media (max-width: 900px) {
    .about-container, .appointment-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .hero {
        background-image: linear-gradient(rgba(255, 255, 255, 0.8), rgba(255, 255, 255, 0.8)), url('foto_clarissa.png');
        background-position: center;
        min-height: auto;
        padding: 150px 5% 80px;
        text-align: center;
    }
    .hero-container {
        display: block;
    }
    .hero-content h1 {
        font-size: 2.2rem;
    }
    .appointment-container {
        gap: 2rem;
    }
}