/* ===================================
   QuickPro - Main Stylesheet
   Local Services Marketplace
   =================================== */

/* CSS Variables / Design Tokens */
:root {
    /* Primary Colors */
    --color-primary: #4F46E5;
    --color-primary-dark: #4338CA;
    --color-primary-light: #818CF8;

    /* Secondary Colors */
    --color-secondary: #10B981;
    --color-secondary-dark: #059669;

    /* Neutral Colors */
    --color-white: #FFFFFF;
    --color-gray-50: #F9FAFB;
    --color-gray-100: #F3F4F6;
    --color-gray-200: #E5E7EB;
    --color-gray-300: #D1D5DB;
    --color-gray-400: #9CA3AF;
    --color-gray-500: #6B7280;
    --color-gray-600: #4B5563;
    --color-gray-700: #374151;
    --color-gray-800: #1F2937;
    --color-gray-900: #111827;

    /* Accent Colors */
    --color-warning: #F59E0B;
    --color-error: #EF4444;
    --color-success: #10B981;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Spacing */
    --spacing-1: 0.25rem;
    --spacing-2: 0.5rem;
    --spacing-3: 0.75rem;
    --spacing-4: 1rem;
    --spacing-5: 1.25rem;
    --spacing-6: 1.5rem;
    --spacing-8: 2rem;
    --spacing-10: 2.5rem;
    --spacing-12: 3rem;
    --spacing-16: 4rem;
    --spacing-20: 5rem;

    /* Border Radius */
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Container */
    --container-max: 1280px;
    --container-padding: 1.5rem;
}

/* Reset & Base Styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-800);
    background-color: var(--color-white);
}

a {
    color: inherit;
    text-decoration: none;
}

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, select, textarea {
    font-family: inherit;
    font-size: inherit;
}

/* Screen Reader Only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Container */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
}

/* ===================================
   Buttons
   =================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-sm);
    font-weight: 500;
    line-height: 1.5;
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
    white-space: nowrap;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-gray-700);
    border: 1px solid var(--color-gray-300);
}

.btn-secondary:hover {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-400);
}

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

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

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

.btn-white:hover {
    background-color: var(--color-gray-100);
    transform: translateY(-1px);
}

/* ===================================
   Header / Navigation
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: var(--color-white);
    border-bottom: 1px solid var(--color-gray-200);
}

.nav {
    height: 72px;
}

.nav-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

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

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: -0.025em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--spacing-8);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-600);
    transition: color var(--transition-fast);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.mobile-menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
}

.hamburger {
    position: relative;
    width: 24px;
    height: 2px;
    background-color: var(--color-gray-700);
    transition: background-color var(--transition-fast);
}

.hamburger::before,
.hamburger::after {
    content: '';
    position: absolute;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-gray-700);
    transition: transform var(--transition-fast);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    padding-top: calc(72px + var(--spacing-20));
    padding-bottom: var(--spacing-20);
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: var(--color-white);
}

.hero-container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--container-padding);
    text-align: center;
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-4);
    letter-spacing: -0.025em;
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--spacing-10);
}

/* Search Box */
.search-box {
    max-width: 800px;
    margin: 0 auto var(--spacing-8);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2);
    box-shadow: var(--shadow-xl);
}

.search-form {
    display: flex;
    gap: var(--spacing-2);
}

.search-field {
    flex: 1;
}

.search-select,
.search-input {
    width: 100%;
    padding: var(--spacing-4) var(--spacing-5);
    font-size: var(--font-size-base);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    background-color: var(--color-white);
    color: var(--color-gray-800);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.search-select:focus,
.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.search-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--spacing-4) center;
    padding-right: var(--spacing-12);
}

.search-btn {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-base);
    flex-shrink: 0;
}

/* Trust Indicators */
.trust-indicators {
    display: flex;
    justify-content: center;
    gap: var(--spacing-8);
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.trust-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 12px;
}

/* ===================================
   Section Styles
   =================================== */
.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    text-align: center;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-3);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    text-align: center;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-12);
}

/* ===================================
   Categories Section
   =================================== */
.categories-section {
    padding: var(--spacing-20) 0;
    background-color: var(--color-gray-50);
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-6);
    margin-bottom: var(--spacing-10);
}

.category-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid var(--color-gray-200);
}

.category-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.category-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    margin: 0 auto var(--spacing-4);
    background-color: var(--color-gray-100);
    border-radius: var(--radius-2xl);
    color: var(--color-primary);
    transition: all var(--transition-base);
}

.category-card:hover .category-icon {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.category-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-1);
}

.category-count {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.categories-cta {
    text-align: center;
}

/* ===================================
   How It Works Section
   =================================== */
.how-it-works {
    padding: var(--spacing-20) 0;
    background-color: var(--color-white);
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-8);
}

.step-card {
    text-align: center;
    padding: var(--spacing-6);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-6);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    border-radius: var(--radius-full);
}

.step-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-3);
}

.step-description {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ===================================
   Testimonials Section
   =================================== */
.testimonials {
    padding: var(--spacing-20) 0;
    background-color: var(--color-gray-50);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-6);
}

.testimonial-card {
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    padding: var(--spacing-8);
    border: 1px solid var(--color-gray-200);
}

.testimonial-stars {
    margin-bottom: var(--spacing-4);
    color: var(--color-warning);
    font-size: var(--font-size-lg);
}

.testimonial-stars span {
    margin-right: 2px;
}

.testimonial-text {
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
    line-height: 1.7;
    margin-bottom: var(--spacing-6);
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-lg);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-name {
    font-weight: 600;
    color: var(--color-gray-900);
}

.author-service {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* ===================================
   Pro CTA Section
   =================================== */
.pro-cta {
    padding: var(--spacing-16) 0;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
}

.pro-cta-content {
    text-align: center;
    color: var(--color-white);
}

.pro-cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-4);
}

.pro-cta-text {
    font-size: var(--font-size-lg);
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto var(--spacing-8);
}

/* ===================================
   Popular Searches Section
   =================================== */
.popular-searches {
    padding: var(--spacing-16) 0;
    background-color: var(--color-white);
}

.search-tags {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-3);
}

.search-tag {
    display: inline-block;
    padding: var(--spacing-2) var(--spacing-4);
    background-color: var(--color-gray-100);
    color: var(--color-gray-700);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-full);
    transition: all var(--transition-fast);
}

.search-tag:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-gray-300);
    padding: var(--spacing-16) 0 var(--spacing-8);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--spacing-12);
    margin-bottom: var(--spacing-12);
}

.footer-logo {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-white);
    display: inline-block;
    margin-bottom: var(--spacing-4);
}

.footer-tagline {
    font-size: var(--font-size-sm);
    line-height: 1.7;
    margin-bottom: var(--spacing-6);
}

.footer-social {
    display: flex;
    gap: var(--spacing-4);
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: var(--color-gray-800);
    border-radius: var(--radius-lg);
    color: var(--color-gray-400);
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.footer-heading {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-6);
}

.footer-links ul li {
    margin-bottom: var(--spacing-3);
}

.footer-links ul li a {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-links ul li a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: var(--spacing-8);
    border-top: 1px solid var(--color-gray-800);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.copyright {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.footer-legal {
    display: flex;
    gap: var(--spacing-6);
}

.footer-legal a {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    transition: color var(--transition-fast);
}

.footer-legal a:hover {
    color: var(--color-white);
}