:root {
    /* Primary Colors */
    --primary-color: #00502a;
    /* Deep Emerald Green from logo */
    --primary-light: #007a40;
    --primary-dark: #00361d;
    --accent-color: #d4af37;
    /* Gold accent for a premium feel */

    /* Neutral Colors */
    --bg-light: #fdfdfd;
    --bg-cream: #f4f7f2;
    --text-dark: #1a1a1a;
    --text-muted: #555555;
    --white: #ffffff;

    /* Typography */
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing & Effects */
    --section-padding: 100px 5%;
    --card-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

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

ul {
    list-style: none;
}

/* Navbar */
nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    z-index: 1000;
    transition: var(--transition);
}

nav.scrolled {
    background-color: var(--white);
    padding: 15px 5%;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.1);
}

.logo img {
    height: 60px;
    width: auto;
    transition: var(--transition);
}

.nav-links {
    display: flex;
    gap: 40px;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.9rem;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--white);
}

nav.scrolled .nav-links a {
    color: var(--text-dark);
}

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

.cta-button {
    background-color: var(--primary-color);
    color: var(--white) !important;
    padding: 12px 25px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 80, 42, 0.3);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0, 54, 29, 0.6), rgba(0, 54, 29, 0.4)), url('../assets/hero.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding: 0 5%;
}

.hero h1 {
    font-size: 4.5rem;
    margin-bottom: 20px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards 0.5s;
}

.hero p {
    font-size: 1.2rem;
    max-width: 700px;
    margin-bottom: 40px;
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards 0.8s;
}

.hero .hero-btns {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 1s forwards 1.1s;
}

/* About Section */
.about {
    padding: var(--section-padding);
    display: flex;
    gap: 80px;
    align-items: center;
    background-color: var(--bg-cream);
}

.about-img {
    flex: 1;
    position: relative;
}

.about-img img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
}

.about-content {
    flex: 1.2;
}

.section-tag {
    color: var(--primary-color);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.8rem;
    display: block;
    margin-bottom: 10px;
}

.section-title {
    font-size: 3rem;
    margin-bottom: 30px;
    color: var(--primary-dark);
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 20px;
    font-size: 1.1rem;
}

/* Services Section */
.services {
    padding: var(--section-padding);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.service-card {
    background: var(--white);
    padding: 50px 40px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    transition: var(--transition);
    border: 1px solid rgba(0, 0, 0, 0.03);
    text-align: center;
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-color);
}

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 25px;
}

.service-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--primary-dark);
}

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

/* Posturology Focus */
.posturology-banner {
    background: linear-gradient(rgba(0, 80, 42, 0.9), rgba(0, 80, 42, 0.9)), url('../assets/posturology.png');
    background-size: cover;
    background-position: center;
    padding: 120px 5%;
    color: var(--white);
    text-align: center;
    border-radius: 40px;
    margin: 50px 5%;
}

.posturology-banner h2 {
    font-size: 3.5rem;
    margin-bottom: 20px;
}

.posturology-banner p {
    max-width: 800px;
    margin: 0 auto 40px;
}

/* Contact Section */
.contact {
    padding: var(--section-padding);
    background-color: var(--bg-cream);
    display: flex;
    gap: 60px;
}

.contact-info {
    flex: 1;
}

.contact-card {
    background: var(--white);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
    margin-top: 30px;
}

.info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 25px;
    align-items: center;
}

.info-icon {
    width: 50px;
    height: 50px;
    background: var(--bg-cream);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.contact-form {
    flex: 1.5;
    background: var(--white);
    padding: 50px;
    border-radius: 20px;
    box-shadow: var(--card-shadow);
}

.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: 15px;
    border: 1px solid #ddd;
    border-radius: 10px;
    font-family: inherit;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 80, 42, 0.1);
}

/* Footer */
footer {
    background-color: var(--primary-dark);
    color: var(--white);
    padding: 80px 5% 40px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo img {
    height: 80px;
    margin-bottom: 20px;
}

.footer-links h4 {
    margin-bottom: 25px;
    font-size: 1.2rem;
    position: relative;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -10px;
    width: 40px;
    height: 2px;
    background: var(--accent-color);
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links .newsletter-form {
    display: flex;
    gap: 0;
    margin-top: 20px;
    background: var(--white);
    padding: 5px;
    border-radius: 50px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.footer-links .newsletter-form input {
    flex: 1;
    background: transparent;
    border: none;
    padding: 12px 20px;
    color: var(--text-dark);
    outline: none;
    font-size: 0.9rem;
}

.footer-links .newsletter-form .newsletter-btn {
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1rem;
}

.footer-links .newsletter-form .newsletter-btn:hover {
    background-color: var(--accent-color);
    transform: scale(1.05);
}

.footer-links ul li a:hover {
    color: var(--accent-color);
    padding-left: 5px;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

/* Animations */
@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* WhatsApp Floating Button */
.whatsapp-btn:hover {
    transform: scale(1.1) rotate(10deg);
    background-color: #128c7e !important;
}

/* Mobile Menu Toggle (Simplified for now) */
.menu-toggle {
    display: none;
    font-size: 1.5rem;
    color: var(--white);
    cursor: pointer;
}

nav.scrolled .menu-toggle {
    color: var(--text-dark);
}

@media (max-width: 992px) {
    :root {
        --section-padding: 60px 5%;
    }

    .menu-toggle {
        display: block;
        z-index: 1001;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background-color: var(--white);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 30px;
        transition: var(--transition);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
        z-index: 1000;
    }

    .nav-links.active {
        right: 0;
    }

    .nav-links a {
        color: var(--text-dark) !important;
        font-size: 1.3rem;
        font-weight: 600;
    }

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

    .about {
        flex-direction: column;
        text-align: center;
        gap: 40px;
    }

    .contact {
        flex-direction: column;
        gap: 40px;
    }

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

@media (max-width: 768px) {
    .section-title {
        font-size: 2.2rem;
    }

    .posturology-banner h2 {
        font-size: 2.2rem;
        line-height: 1.1;
    }

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

    .hero h1 {
        font-size: 2.2rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .footer-links h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-logo {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}