/* =========================================
   CSS Resets & Variables (Dark Luxury & Gold Theme)
========================================= */
:root {
    /* Colors - Pitch Black Luxury & Vibrant Gold */
    --clr-bg: #000000; /* Absolute Black */
    --clr-bg-light: #0D0D0D; /* Sleek dark grey/black for depth */
    --clr-primary: #E0BA2B; /* Vibrant Gold */
    --clr-primary-light: rgba(224, 186, 43, 0.1); /* Gold glow */
    --clr-primary-dark: #C4A11F; /* Slightly darker gold */
    --clr-text: #F3F4F6; /* Crisp white for maximum contrast */
    --clr-text-light: #A1A1AA; /* Muted text for readability */
    --clr-heading: #FFFFFF; /* Pure white for power headings */
    --clr-whatsapp: #25D366; /* WhatsApp stays official */
    --clr-whatsapp-hover: #128C7E;
    --clr-white: #FFFFFF;
    
    /* Typograhy */
    --font-main: 'Inter', sans-serif;
    
    /* Spacing */
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 10px rgba(0,0,0,0.5);
    --shadow-md: 0 4px 20px rgba(0,0,0,0.6);
    --shadow-lg: 0 10px 40px rgba(0,0,0,0.7);
    --shadow-gold: 0 4px 20px rgba(224, 186, 43, 0.2);
    
    /* Transitions */
    --transition: all 0.3s ease;
    
    /* Layout */
    --max-width: 1200px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

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

ul {
    list-style: none;
}

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

/* =========================================
   Typography
========================================= */
h1, h2, h3, h4, strong {
    color: var(--clr-heading);
    line-height: 1.2;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-md);
}

h2 {
    font-size: clamp(2rem, 4vw, 2.5rem);
    font-weight: 700;
    margin-bottom: var(--space-md);
}

h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
    color: var(--clr-primary); /* Gold titles in cards */
}

p {
    margin-bottom: var(--space-md);
    color: var(--clr-text-light);
}

.center {
    text-align: center;
}

.subtitle {
    display: inline-block;
    color: var(--clr-primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-size: 0.85rem;
    margin-bottom: var(--space-sm);
}

/* =========================================
   Layout Util
========================================= */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

section {
    padding: var(--space-xl) 0;
}

.bg-light {
    background-color: var(--clr-bg-light); /* Darker panel */
}

/* =========================================
   Components
========================================= */
/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    border: none;
    transition: var(--transition);
}

.btn-primary {
    background-color: var(--clr-primary);
    color: #000; /* Black text on gold for bold contrast */
    box-shadow: var(--shadow-gold);
}

.btn-primary:hover {
    background-color: var(--clr-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(224, 186, 43, 0.4);
}

.btn-whatsapp {
    background-color: var(--clr-whatsapp);
    color: var(--clr-white);
}

.btn-whatsapp:hover {
    background-color: var(--clr-whatsapp-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.btn.large {
    padding: 1rem 2rem;
    font-size: 1rem;
}

.badge {
    display: inline-block;
    background: var(--clr-primary-light);
    color: var(--clr-primary);
    border: 1px solid var(--clr-primary);
    padding: 0.4rem 1rem;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-md);
}

/* =========================================
   Header 
========================================= */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
    padding: 1rem 0;
    z-index: 1000;
    transition: var(--transition);
    border-bottom: 1px solid rgba(255,255,255,0.05);
}

.header.scrolled {
    padding: 0.8rem 0;
    box-shadow: var(--shadow-md);
    border-bottom: 1px solid rgba(224, 186, 43, 0.2);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo i {
    font-size: 2rem;
    color: var(--clr-primary);
}

.brand-logo {
    height: 48px;
    width: auto;
    mix-blend-mode: screen;
    object-fit: contain;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-text strong {
    font-size: 1.25rem;
    line-height: 1;
    color: var(--clr-white);
}

.logo-text span {
    font-size: 0.8rem;
    color: var(--clr-primary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    line-height: 1.2;
}

.nav-list {
    display: flex;
    gap: 2rem;
}

.nav-link {
    font-weight: 500;
    color: var(--clr-text);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-social {
    color: var(--clr-primary);
    font-size: 1.8rem;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.nav-social:hover {
    color: var(--clr-white);
    transform: scale(1.1);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--clr-white);
    cursor: pointer;
}

/* =========================================
   Hero Section
========================================= */
.hero {
    position: relative;
    padding-top: 150px;
    padding-bottom: 100px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background-image: linear-gradient(to right, rgba(0,0,0,1) 0%, rgba(0,0,0,0.85) 35%, rgba(0,0,0,0.3) 65%, rgba(0,0,0,0) 100%), url('assets/hero_weight_loss_1775599017701.png');
    background-color: #000;
    background-size: cover;
    background-position: calc(100% + 15vw) 25%;
    background-repeat: no-repeat;
}

.hero-content {
    max-width: 700px;
    position: relative;
    z-index: 2;
}

.hero-buttons {
    margin-top: var(--space-lg);
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.hero-note {
    font-size: 0.9rem;
    color: var(--clr-text-light);
    display: flex;
    align-items: center;
    gap: 0.3rem;
    margin-bottom: 0;
}

/* =========================================
   Urgent Banner
========================================= */
.urgent-banner {
    background: var(--clr-primary);
    padding: 1.5rem 0;
    text-align: center;
    box-shadow: 0 5px 20px rgba(224, 186, 43, 0.3);
    z-index: 10;
    position: relative;
    animation: pulseGlow 2s infinite;
}

@keyframes pulseGlow {
    0% { box-shadow: 0 0 10px rgba(224, 186, 43, 0.2); }
    50% { box-shadow: 0 0 30px rgba(224, 186, 43, 0.6); }
    100% { box-shadow: 0 0 10px rgba(224, 186, 43, 0.2); }
}

.urgent-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    color: #000;
    font-size: clamp(0.9rem, 2.5vw, 1.25rem);
    font-weight: 800;
    text-transform: uppercase;
    transition: var(--transition);
}

.urgent-btn:hover {
    transform: scale(1.02);
    color: #333;
}

.urgent-btn i {
    font-size: 1.5rem;
}

/* =========================================
   Services (Symptoms)
========================================= */
.section-header {
    max-width: 700px;
    margin: 0 auto var(--space-xl);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2.5rem;
}

.service-card {
    background: var(--clr-bg-light); /* Dark card */
    padding: 3rem 2rem;
    border-radius: 12px;
    border: 1px solid rgba(224, 186, 43, 0.1);
    transition: var(--transition);
    text-align: center;
    box-shadow: var(--shadow-sm);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-gold);
    border-color: var(--clr-primary);
}

.icon-box {
    width: 60px;
    height: 60px;
    background: var(--clr-primary-light);
    color: var(--clr-primary);
    border: 1px solid var(--clr-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 1.5rem;
}

/* =========================================
   About Section
========================================= */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255,255,255,0.05);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--clr-primary);
    color: #000;
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--shadow-gold);
}

.experience-badge strong {
    color: #000;
    font-size: 2rem;
    line-height: 1;
}

.experience-badge span {
    font-size: 0.9rem;
    font-weight: 700;
    line-height: 1.2;
}

.about-lead {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--clr-primary); /* Gold text */
    margin-bottom: 1rem;
}

.about-list {
    margin-top: 1.5rem;
}

.about-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    color: var(--clr-white);
    font-weight: 500;
}

.about-list i {
    color: var(--clr-primary);
    font-size: 1.2rem;
}

/* =========================================
   Steps / How it Works
========================================= */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    position: relative;
}

.step-card {
    background: var(--clr-bg);
    padding: 2.5rem 2rem;
    border-radius: 12px;
    position: relative;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(255,255,255,0.05);
    text-align: center;
}

.step-card:hover {
    border-color: var(--clr-primary);
}

.step-number {
    width: 40px;
    height: 40px;
    background: var(--clr-primary);
    color: #000;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-gold);
}

/* =========================================
   CTA Section
========================================= */
.cta-section {
    background: var(--clr-primary);
    color: #000;
    text-align: center;
    padding: 5rem 0;
    box-shadow: inset 0 0 50px rgba(0,0,0,0.1);
}

.cta-section h2, .cta-section p {
    color: #000;
}

.cta-section p {
    opacity: 0.8;
    max-width: 600px;
    font-weight: 600;
    margin: 0 auto 2rem;
    font-size: 1.1rem;
}

.cta-section .btn-whatsapp {
    background-color: var(--clr-bg); /* Black button on gold bg */
    color: var(--clr-primary);
    border: 2px solid var(--clr-bg);
}

.cta-section .btn-whatsapp:hover {
    background-color: transparent;
    color: var(--clr-bg);
    border-color: var(--clr-bg);
    box-shadow: none;
}

/* =========================================
   Footer
========================================= */
.footer {
    background: #000000; /* Absolute black */
    color: var(--clr-white);
    padding-top: var(--space-xl);
}

.footer h4 {
    color: var(--clr-primary);
    margin-bottom: 1.2rem;
}

.footer p {
    color: var(--clr-text-light);
}

.footer-logo {
    color: white;
    margin-bottom: 1rem;
}
.footer-logo i { color: var(--clr-primary); }
.footer-logo span { color: var(--clr-primary); font-weight: bold; }

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1.5fr;
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-links ul li {
    margin-bottom: 0.5rem;
}
.footer-links a {
    color: var(--clr-text-light);
}
.footer-links a:hover {
    color: var(--clr-primary);
}

.footer-contact ul li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    color: var(--clr-text-light);
}

.footer-contact i {
    color: var(--clr-primary);
    font-size: 1.2rem;
    margin-top: 2px;
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.05);
    padding: 1.5rem 0;
    text-align: center;
}

.footer-bottom p {
    margin: 0;
    font-size: 0.85rem;
}

/* =========================================
   Floating WhatsApp Button
========================================= */
.floating-whatsapp {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: var(--clr-whatsapp);
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: var(--transition);
}

.floating-whatsapp:hover {
    transform: scale(1.1);
    background-color: var(--clr-whatsapp-hover);
}

/* =========================================
   Triage Form Section
========================================= */
.triage-section {
    padding-bottom: 5rem;
}

.triage-form {
    max-width: 800px;
    margin: 0 auto;
    background: var(--clr-bg);
    padding: 3rem;
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    border: 1px solid rgba(224, 186, 43, 0.2);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--clr-white);
}

textarea, input[type="email"], input[type="text"] {
    width: 100%;
    padding: 1rem;
    border: 1px solid rgba(255,255,255,0.1);
    background: var(--clr-bg-light);
    color: var(--clr-white);
    border-radius: 8px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition);
}

textarea:focus, input[type="email"]:focus, input[type="text"]:focus {
    outline: none;
    border-color: var(--clr-primary);
    box-shadow: 0 0 0 2px rgba(224, 186, 43, 0.2);
}

.hidden {
    display: none !important;
}

.radio-group {
    display: flex;
    gap: 1.5rem;
    padding: 0.5rem 0;
}

.radio-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    cursor: pointer;
    color: var(--clr-text-light);
}

.btn-submit {
    width: 100%;
    margin-top: 1rem;
    padding: 1.25rem;
    font-size: 1.1rem;
}

.form-note {
    text-align: center;
    margin-top: 1.5rem;
    font-size: 0.9rem;
    margin-bottom: 0;
}

/* =========================================
   Responsive queries
========================================= */
@media (max-width: 992px) {
    .about-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .about-image {
        max-width: 500px;
        margin: 0 auto;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    .nav {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: var(--clr-bg); /* Dark menu */
        border-top: 1px solid rgba(224, 186, 43, 0.2);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: var(--transition);
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 1.5rem;
    }
    
    .nav-btn {
        display: none;
    }

    .hero {
        padding-top: 120px;
        text-align: center;
        background-image: linear-gradient(to top, rgba(0,0,0,1) 0%, rgba(0,0,0,0.8) 50%, rgba(0,0,0,0.2) 80%, rgba(0,0,0,0) 100%), url('assets/hero_weight_loss_1775599017701.png');
        background-position: top center;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    .hero-buttons {
        flex-direction: column;
    }
    
    .steps-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 2rem;
    }
    h2 {
        font-size: 1.75rem;
    }
    .hero-buttons .btn {
        width: 100%;
    }
    .experience-badge {
        position: relative;
        bottom: 0;
        right: 0;
        margin-top: -20px;
        justify-content: center;
    }
}