/*
    Pristine Threads - Dry Cleaning CSS
    Fonts: Lora (Serif, Headings), Poppins (Sans-serif, Body)
    Color Palette:
    - Slate Blue: #2C3E50 (Primary Text, Footer BG)
    - Powder Blue: #EAF2F8 (Light Backgrounds)
    - Gold Accent: #F39C12 (Buttons, Highlights)
    - Dark Gray: #34495E (Body Text)
    - White: #FFFFFF
    - Light Gray: #BDC3C7 (Borders)
*/

:root {
    --color-primary: #2C3E50;
    --color-secondary: #34495E;
    --color-accent: #F39C12;
    --color-accent-dark: #e67e22;
    --color-light-bg: #EAF2F8;
    --color-white: #FFFFFF;
    --color-border: #d4dde3;
    --color-text-light: #7b8a99;

    --font-family-heading: 'Lora', serif;
    --font-family-body: 'Poppins', sans-serif;

    --spacing-xs: 0.5rem;   /* 8px */
    --spacing-sm: 1rem;     /* 16px */
    --spacing-md: 1.5rem;   /* 24px */
    --spacing-lg: 2.5rem;   /* 40px */
    --spacing-xl: 4rem;     /* 64px */
    --section-padding: 5rem;

    --border-radius-sm: 4px;
    --border-radius-md: 8px;
    --shadow-soft: 0 4px 12px rgba(44, 62, 80, 0.08);
    --shadow-medium: 0 8px 24px rgba(44, 62, 80, 0.12);
    --transition-fast: 0.2s ease-in-out;
}

/* --- BASE & RESET --- */
*, *::before, *::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-family-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-secondary);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
}

body.no-scroll {
    overflow: hidden;
}

h1, h2, h3, h4, h5, h6 {
    margin: 0 0 1rem;
    font-family: var(--font-family-heading);
    color: var(--color-primary);
    line-height: 1.2;
    font-weight: 600;
}

p {
    margin: 0 0 1rem;
}

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

a:hover {
    color: var(--color-accent-dark);
}

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

ul {
    list-style: none;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1140px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* --- REUSABLE COMPONENTS --- */
.btn {
    display: inline-block;
    padding: 12px 28px;
    font-family: var(--font-family-body);
    font-weight: 600;
    font-size: 1rem;
    text-align: center;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), background-color var(--transition-fast);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--color-accent-dark);
    border-color: var(--color-accent-dark);
    color: var(--color-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

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

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

.btn.btn-large {
    padding: 16px 36px;
    font-size: 1.1rem;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-tagline {
    display: block;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.5px;
}

.section-title {
    font-size: clamp(2rem, 5vw, 2.75rem);
}

.section-description {
    max-width: 600px;
    margin: 0 auto;
    color: var(--color-text-light);
}

/* --- HEADER --- */
.site-header {
    position: sticky;
    top: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    background-color: var(--color-white);
    transition: background-color var(--transition-fast), box-shadow var(--transition-fast), padding var(--transition-fast);
}

.site-header.is-scrolled {
    padding: 0.8rem 0;
    box-shadow: var(--shadow-soft);
}

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

.logo {
    font-family: var(--font-family-heading);
    font-size: 1.75rem;
    font-weight: 600;
    color: var(--color-primary);
}
.logo:hover { color: var(--color-primary); }

.main-nav ul {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.main-nav a {
    color: var(--color-secondary);
    font-weight: 600;
    padding: 0.5rem 0;
    position: relative;
}

.main-nav a:not(.btn)::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-fast);
}

.main-nav a:not(.btn):hover::after {
    width: 100%;
}

.btn-nav {
    margin-left: var(--spacing-sm);
    padding: 8px 20px;
}

.nav-toggle { display: none; }


/* --- HERO SECTION --- */
.hero-section {
    position: relative;
    background-image: url('images/placeholder.jpg'); /* This will be replaced by JS or CMS */
    background-size: cover;
    background-position: center;
    color: var(--color-white);
    padding: 8rem 0;
    text-align: center;
    background-attachment: fixed;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background-color: rgba(44, 62, 80, 0.7);
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 750px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    color: var(--color-white);
    margin-bottom: var(--spacing-md);
    font-weight: 400;
}

.hero-description {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 300;
    opacity: 0.9;
}


/* --- PROCESS SECTION --- */
.process-section {
    padding: var(--section-padding) 0;
    background-color: var(--color-light-bg);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.process-card {
    background-color: var(--color-white);
    padding: var(--spacing-lg);
    text-align: center;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-soft);
}

.process-card-icon {
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.process-card-title {
    font-size: 1.5rem;
}

/* --- SERVICES SECTION --- */
.services-section {
    padding: var(--section-padding) 0;
}

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

.service-card {
    margin: 0;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-soft);
    background-color: var(--color-white);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-medium);
}

.service-card img {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.service-card-content {
    padding: var(--spacing-md);
}

.service-card-title {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-xs);
}

.service-card-content p {
    margin: 0;
    color: var(--color-text-light);
}

/* --- FAQ SECTION --- */
.faq-section {
    padding: var(--section-padding) 0;
    background-color: var(--color-light-bg);
}

.faq-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
}

.faq-content { text-align: left; }
.faq-content .section-description { margin-left: 0; }
.faq-content .section-title { font-size: 2.75rem; }


.accordion-item {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    margin-bottom: var(--spacing-sm);
}
.accordion-item:last-child { margin-bottom: 0; }

.accordion-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    cursor: pointer;
    width: 100%;
}

.accordion-header h3 {
    margin: 0;
    font-size: 1.1rem;
    font-family: var(--font-family-body);
    font-weight: 600;
}

.accordion-content {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows 0.3s ease-in-out;
}

.accordion-content p {
    margin: 0;
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-text-light);
    overflow: hidden;
}

.accordion-item[aria-expanded="true"] .accordion-content {
    grid-template-rows: 1fr;
}

.accordion-icon {
    width: 20px;
    height: 20px;
    position: relative;
    transition: transform var(--transition-fast);
}
.accordion-icon::before, .accordion-icon::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 14px;
    height: 2px;
    background-color: var(--color-primary);
    transform: translate(-50%, -50%);
    transition: transform 0.2s ease-in-out;
}
.accordion-icon::after { transform: translate(-50%, -50%) rotate(90deg); }
.accordion-item[aria-expanded="true"] .accordion-icon::after { transform: translate(-50%, -50%) rotate(0deg); }


/* --- CTA SECTION --- */
.cta-section {
    background-color: var(--color-primary);
    padding: var(--section-padding) 0;
    color: var(--color-white);
    text-align: center;
}

.cta-title {
    color: var(--color-white);
    font-size: clamp(2rem, 5vw, 2.75rem);
}

.cta-description {
    max-width: 550px;
    margin: 0 auto var(--spacing-lg);
    font-size: 1.1rem;
    opacity: 0.9;
}


/* --- FOOTER --- */
.site-footer-main {
    background-color: var(--color-primary);
    color: var(--color-light-bg);
    padding-top: var(--spacing-xl);
}

.footer-container {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-lg);
}

.footer-about .logo { color: var(--color-white); }
.footer-about p { opacity: 0.8; }

.footer-links h4 {
    color: var(--color-white);
    font-size: 1.1rem;
    font-family: var(--font-family-body);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}
.footer-links ul li { margin-bottom: var(--spacing-xs); }
.footer-links a { color: var(--color-light-bg); opacity: 0.8; }
.footer-links a:hover { opacity: 1; color: var(--color-accent); }

.footer-bottom {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-md) 0;
    border-top: 1px solid var(--color-secondary);
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* --- ANIMATIONS --- */
.animate-on-scroll {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.5s ease-out, transform 0.5s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.process-card.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.process-card.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.service-card.animate-on-scroll:nth-child(2) { transition-delay: 0.1s; }
.service-card.animate-on-scroll:nth-child(3) { transition-delay: 0.2s; }
.service-card.animate-on-scroll:nth-child(4) { transition-delay: 0.3s; }

/* --- RESPONSIVE --- */
@media (max-width: 992px) {
    .faq-container { grid-template-columns: 1fr; }
    .footer-container { grid-template-columns: repeat(2, 1fr); }
    .footer-about { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
    :root { --section-padding: 4rem; }

    .nav-toggle {
        display: block;
        background: transparent;
        border: none;
        cursor: pointer;
        padding: 0;
        width: 30px;
        height: 22px;
        position: relative;
        z-index: 1001;
    }

    .hamburger, .hamburger::before, .hamburger::after {
        content: '';
        display: block;
        background-color: var(--color-primary);
        height: 3px;
        width: 100%;
        border-radius: 2px;
        position: absolute;
        transition: transform 0.3s, top 0.3s, opacity 0.3s;
    }
    .hamburger { top: 9.5px; }
    .hamburger::before { top: -9.5px; }
    .hamburger::after { top: 9.5px; }

    .main-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: 100%;
        height: 100vh;
        background-color: var(--color-white);
        transform: translateX(100%);
        transition: transform 0.3s ease-in-out;
        padding-top: 6rem;
    }

    .main-nav.is-active {
        transform: translateX(0);
    }
    .main-nav.is-active ~ .nav-toggle .hamburger { background-color: transparent; }
    .main-nav.is-active ~ .nav-toggle .hamburger::before { top: 0; transform: rotate(45deg); }
    .main-nav.is-active ~ .nav-toggle .hamburger::after { top: 0; transform: rotate(-45deg); }

    .main-nav ul {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-lg);
    }
    .main-nav a { font-size: 1.5rem; }
    .btn-nav { margin-left: 0; }
    .footer-container { grid-template-columns: 1fr; text-align: center; }
}