:root {
    /* Color Palette */
    --primary: #A2737C;
    --primary-dark: #c76e80;
    --accent: #d4a373;
    --dark: #000000;
    --light: #ffffff;
    --grey-light: #f7f7f7;
    --grey-medium: #535353;
    --text-main: #2a2a2a;
    --text-muted: #535353;
    
    /* Typography */
    --font-main: 'Montserrat', sans-serif;
    --font-accent: 'Playfair Display', serif;
    
    /* Spacing */
    --section-padding: 100px 0;
    --section-padding-mobile: 60px 0;
    --container-width: 1200px;
    
    /* Transitions */
    --transition-smooth: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
}

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

html {
    scroll-behavior: smooth;
}

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

h1, h2, h3, h4 {
    font-weight: 400;
    line-height: 1.2;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

.btn-primary {
    display: inline-block;
    padding: 18px 40px;
    background-color: var(--primary);
    color: var(--light);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 30px 0;
    transition: var(--transition-smooth);
}

.header.scrolled {
    background-color: rgba(255, 255, 255, 0.95);
    padding: 15px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.05);
    backdrop-filter: blur(10px);
}

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

.logo-img {
    height: 50px;
    transition: var(--transition-smooth);
}

.header.scrolled .logo-img {
    height: 40px;
}

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

.nav-link {
    font-size: 0.8rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    color: var(--light);
}

.header.scrolled .nav-link {
    color: var(--text-main);
}

.nav-link:hover {
    color: var(--primary);
}

/* Hero Section */
.hero {
    height: 100vh;
    background: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.4)), url('assets/039A9555.png') no-repeat center center/cover;
    display: flex;
    align-items: center;
    color: var(--light);
    position: relative;
}

.hero-content {
    max-width: 700px;
    padding-left: 5%;
}

.subtitle {
    display: block;
    font-family: var(--font-main);
    font-size: 0.9rem;
    letter-spacing: 4px;
    text-transform: uppercase;
    margin-bottom: 20px;
    color: var(--primary);
    animation: fadeInUp 1s ease forwards;
}

.hero h1 {
    font-family: var(--font-accent);
    font-size: clamp(3rem, 8vw, 5rem);
    margin-bottom: 30px;
    animation: fadeInUp 1s ease 0.2s forwards;
    opacity: 0;
}

.hero .btn-primary {
    animation: fadeInUp 1s ease 0.4s forwards;
    opacity: 0;
}

/* Carousel */
.carousel-container {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 20px 0;
}

.carousel-container::before,
.carousel-container::after {
    content: '';
    position: absolute;
    top: 0;
    width: 150px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.carousel-container::before {
    left: 0;
    background: linear-gradient(to right, var(--light), transparent);
}

.carousel-container::after {
    right: 0;
    background: linear-gradient(to left, var(--light), transparent);
}

.carousel-track {
    display: flex;
    width: max-content;
    animation: scroll 40s linear infinite;
}

.carousel-track:hover {
    animation-play-state: paused;
}

.carousel-slide {
    display: flex;
    gap: 30px;
    padding-right: 30px;
}

.carousel-img {
    height: 350px;
    width: auto;
    object-fit: cover;
    border-radius: 4px;
    box-shadow: 0 5px 15px rgba(0,0,0,0.08);
    transition: var(--transition-smooth);
}

@keyframes scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

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

/* Responsive Classes */
.section-padding { padding: var(--section-padding); }
.section-padding-footer { padding: 80px 0 40px; }
.bg-light { background-color: var(--light); }
.bg-grey-light { background-color: var(--grey-light); }
.bg-dark { background-color: var(--dark); }
.color-light { color: var(--light); }
.color-muted { color: var(--text-muted); }
.text-center { text-align: center; }
.overflow-hidden { overflow: hidden; }
.mb-20 { margin-bottom: 20px; }
.mb-30 { margin-bottom: 30px; }
.mb-40 { margin-bottom: 40px; }
.mb-60 { margin-bottom: 60px; }
.grid-gap-20 { display: grid; gap: 20px; }

/* Grid Layouts */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; }
.services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 30px; }
.protocols-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; justify-content: center; }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 60px; margin-bottom: 60px; }

/* Component Styles */
.btn-nav { padding: 12px 25px; font-size: 0.75rem; }
.btn-outline-dark { background-color: transparent; color: var(--text-main); border: 1px solid var(--text-main); }
.hero-text { font-size: 1.1rem; margin-bottom: 40px; color: rgba(255,255,255,0.8); }
.grayscale-img { width: 100%; filter: grayscale(100%); border-radius: 2px; }
.image-border { position: absolute; top: -20px; right: -20px; width: 100%; height: 100%; border: 1px solid var(--primary); z-index: -1; }
.subtitle-primary { color: var(--primary); }
.section-title-accent { font-family: var(--font-accent); font-size: 3rem; }
.section-header { text-align: center; margin-bottom: 60px; }
.procedures-container { display: flex; flex-direction: column; gap: 50px; max-width: 900px; margin: 0 auto; }
.procedure-category { text-align: center; }
.category-title { font-family: var(--font-accent); font-size: 1.8rem; color: var(--primary-dark); margin-bottom: 25px; font-style: italic; }
.treatments-grid { display: flex; flex-wrap: wrap; justify-content: center; gap: 15px; }
.treatment-pill { padding: 12px 25px; border: 1px solid var(--primary); border-radius: 50px; font-size: 0.9rem; color: var(--primary); font-weight: 500; transition: var(--transition-smooth); background-color: transparent; cursor: default; }
.treatment-pill:hover { background-color: var(--primary); color: var(--light); transform: translateY(-2px); box-shadow: 0 5px 15px rgba(162, 115, 124, 0.2); }
.service-card { background: var(--light); padding: 40px; text-align: center; transition: var(--transition-smooth); border-radius: 2px; }
.service-icon { font-size: 3.5rem; color: var(--primary); margin-bottom: 25px; display: inline-block; transition: var(--transition-smooth); }
.service-card:hover .service-icon { transform: scale(1.1); color: var(--primary-dark); }
.service-desc { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 25px; }
.service-link { font-size: 0.8rem; font-weight: 600; letter-spacing: 1px; color: var(--primary); }
.testimonial-text { font-style: italic; margin-bottom: 25px; font-size: 1.1rem; }
.testimonial-author { font-weight: 500; font-family: var(--font-main); letter-spacing: 1px; display: block; }

/* Testimonials Carousel */
.testimonials-carousel-container {
    width: 100%;
    overflow: hidden;
    position: relative;
    padding: 20px 0;
}

.testimonials-carousel-container::before,
.testimonials-carousel-container::after {
    content: '';
    position: absolute;
    top: 0;
    width: 150px;
    height: 100%;
    z-index: 2;
    pointer-events: none;
}

.testimonials-carousel-container::before {
    left: 0;
    background: linear-gradient(to right, var(--dark), transparent);
}

.testimonials-carousel-container::after {
    right: 0;
    background: linear-gradient(to left, var(--dark), transparent);
}

.testimonials-track {
    display: flex;
    width: max-content;
    animation: scroll 35s linear infinite;
}

.testimonials-track:hover {
    animation-play-state: paused;
}

.testimonials-slide {
    display: flex;
    gap: 40px;
    padding-right: 40px;
}

.testimonial-card {
    width: 400px;
    flex-shrink: 0;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 40px;
    border-radius: 4px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
}
.contact-list { display: flex; flex-direction: column; gap: 20px; }
.form-input { padding: 15px; border: 1px solid #eee; width: 100%; }
.footer-logo { height: 40px; margin-bottom: 25px; }
.footer-desc { color: var(--text-muted); max-width: 400px; }
.footer-title { font-weight: 600; margin-bottom: 25px; }
.footer-list { display: flex; flex-direction: column; gap: 12px; color: var(--text-muted); }
.footer-bottom { border-top: 1px solid #ddd; padding-top: 40px; text-align: center; color: var(--text-muted); font-size: 0.8rem; }

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 21px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.mobile-menu-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--light);
    transition: var(--transition-smooth);
}

.header.scrolled .mobile-menu-toggle span {
    background-color: var(--text-main);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: translateY(9.5px) rotate(45deg);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: translateY(-9.5px) rotate(-45deg);
}

/* Base Responsive */
@media (max-width: 1024px) {
    .about-grid, .contact-grid { gap: 40px; }
    .section-title-accent { font-size: 2.5rem; }
}

@media (max-width: 768px) {
    .section-padding { padding: var(--section-padding-mobile); }
    
    /* Header & Nav */
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        height: 100vh;
        background-color: var(--light);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition-smooth);
        box-shadow: -10px 0 30px rgba(0,0,0,0.05);
    }

    .nav.active {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 30px;
    }

    .nav-link {
        color: var(--text-main);
        font-size: 1.2rem;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .header-cta {
        display: none;
    }

    /* Grids */
    .about-grid, 
    .services-grid, 
    .protocols-grid,
    .contact-grid,
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-text { text-align: center; }
    .footer-brand, .footer-links, .footer-social { text-align: center; }
    .footer-desc { margin: 0 auto; }

    .logo-img {
        height: 40px;
    }
    
    .subtitle {
        letter-spacing: 2px;
        font-size: 0.8rem;
    }

    .hero-content {
        padding-left: 20px;
        padding-right: 20px;
        text-align: center;
        width: 100%;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }

    .carousel-img {
        height: 250px;
    }
    
    .carousel-container::before,
    .carousel-container::after,
    .testimonials-carousel-container::before,
    .testimonials-carousel-container::after {
        width: 50px;
    }

    .testimonial-card {
        width: 300px;
        padding: 30px 20px;
    }

    .image-border {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 2rem;
    }
    
    .btn-primary {
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
        padding: 15px 20px;
    }
}