/* 
  CARPEST CLEANING LTD - Official Stylesheet
  Design: Pristine Modern
  Version: 1.0.0
*/

/* 1. CSS Reset / Normalize */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* 2. CSS Custom Properties */
:root {
    /* Colors */
    --color-primary: #0EA5E9;
    --color-secondary: #10B981;
    --color-accent: #F59E0B;
    --color-bg: #F8FAFC;
    --color-white: #FFFFFF;
    --color-text: #1E293B;
    --color-muted: #64748B;
    --color-dark: #0F172A;
    
    /* Fonts */
    --font-heading: 'Poppins', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Design Elements */
    --border-radius: 12px;
    --shadow-sm: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 20px 25px -5px rgb(0 0 0 / 0.1);
    --transition-speed: 0.3s ease;
}

/* 3. Global / Base Styles */
a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition-speed);
}

ul {
    list-style: none;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-dark);
    font-weight: 700;
    line-height: 1.2;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

/* 4. Typography Scale */
h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: 1.75rem; }

/* 5. Utility Classes */
.text-center { text-align: center; }
.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }
.color-primary { color: var(--color-primary); }

/* 6. Component Styles */

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    cursor: pointer;
    border: none;
    gap: 0.5rem;
}

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

.btn--primary:hover {
    background-color: #0284C7;
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn--secondary {
    background-color: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
}

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

/* Cards */
.card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-speed);
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

/* 7. Layout Components */

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    height: 80px;
    display: flex;
    align-items: center;
    transition: var(--transition-speed);
}

.navbar--scrolled {
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    height: 70px;
}

.nav__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

.nav__logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-text);
}

.nav__logo span { color: var(--color-primary); }

.nav__links {
    display: flex;
    gap: 2rem;
}

.nav__link {
    font-weight: 500;
}

.nav__link:hover, .nav__link--active {
    color: var(--color-primary);
}

/* Hero */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    position: relative;
    overflow: hidden;
}

.hero__content {
    max-width: 700px;
}

.hero__btns {
    display: flex;
    gap: 1rem;
    margin-top: var(--spacing-md);
}

/* Floating WhatsApp */
.wa-float {
    position: fixed;
    bottom: 30px;
    right: 30px;
    background-color: #25D366;
    color: white;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    box-shadow: 2px 2px 3px #999;
    z-index: 999;
    transition: var(--transition-speed);
}

.wa-float:hover {
    transform: scale(1.1);
}

/* Footer */
.footer {
    background-color: var(--color-dark);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-sm);
}

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

/* 8. Page Specific Styles */
/* These will be populated during generation */

/* 9. Animations */
.preloader {
    position: fixed;
    inset: 0;
    background: var(--color-white);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
}

.preloader__spinner {
    width: 50px;
    height: 50px;
    border: 5px solid #f3f3f3;
    border-top: 5px solid var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* 10. Media Queries */
@media (max-width: 992px) {
    .nav__links { display: none; }
}

@media (max-width: 768px) {
    .hero { text-align: center; }
    .hero__btns { justify-content: center; }
}