/* ===================================
   RENTAL YIELD CALCULATOR - MAIN STYLES
   =================================== */

/* CSS Variables */
:root {
    --primary-color: #0055B8;
    --secondary-color: #00A878;
    --accent-color: #FF6B35;
    --text-dark: #2C3E50;
    --text-light: #6C757D;
    --bg-light: #F5F7FA;
    --bg-white: #FFFFFF;
    --border-color: #E0E6ED;
    --success-color: #28A745;
    --warning-color: #FFC107;
    --danger-color: #DC3545;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.1);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.15);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.2);
    --border-radius: 8px;
    --transition: all 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-dark);
    background-color: var(--bg-light);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 1rem;
    color: var(--text-dark);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: 1rem;
    color: var(--text-dark);
}

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

a:hover {
    color: var(--secondary-color);
}

/* Cookie Banner */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--text-dark);
    color: white;
    padding: 20px;
    z-index: 9999;
    box-shadow: var(--shadow-lg);
    display: none;
}

.cookie-banner.active {
    display: block;
}

.cookie-content {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
}

.cookie-content p {
    margin: 0;
    color: white;
}

.cookie-content a {
    color: var(--accent-color);
}

/* Header & Navigation */
.header {
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.navbar {
    padding: 1rem 0;
}

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

.nav-brand h1 {
    font-size: 1.5rem;
    margin: 0;
    color: var(--primary-color);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-menu a {
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem 0;
    position: relative;
}

.nav-menu a.active,
.nav-menu a:hover {
    color: var(--primary-color);
}

.nav-menu a.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--primary-color);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-dark);
    border-radius: 3px;
    transition: var(--transition);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    padding: 4rem 0 3rem;
    text-align: center;
}

.hero h1 {
    color: white;
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-subtitle {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    color: rgba(255, 255, 255, 0.9);
}

.country-selector {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: var(--border-radius);
    margin: 2rem auto;
    max-width: 400px;
}

.country-selector label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: white;
}

.country-dropdown {
    width: 100%;
    padding: 12px;
    font-size: 1rem;
    border: none;
    border-radius: var(--border-radius);
    background: white;
    color: var(--text-dark);
    cursor: pointer;
    transition: var(--transition);
}

.country-dropdown:focus {
    outline: 2px solid var(--accent-color);
}

.trust-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 2rem;
}

.trust-badges span {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* Buttons */
.btn-primary,
.btn-secondary,
.btn-calculate {
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    display: inline-block;
}

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

.btn-primary:hover {
    background: #003d85;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: var(--bg-light);
    color: var(--text-dark);
    border: 1px solid var(--border-color);
}

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

.btn-calculate {
    background: var(--accent-color);
    color: white;
    width: 100%;
    padding: 16px;
    font-size: 1.1rem;
    margin-top: 1rem;
}

.btn-calculate:hover {
    background: #e85a25;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Information Section */
.info-section {
    padding: 4rem 0;
    background: var(--bg-white);
}

.info-section h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.info-section > p {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    font-size: 1.1rem;
    color: var(--text-light);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.info-card {
    background: var(--bg-light);
    padding: 2rem;
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.info-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.formula {
    background: var(--bg-white);
    padding: 1rem;
    border-radius: 6px;
    margin-top: 1rem;
    font-family: 'Courier New', monospace;
}

.yield-benchmarks {
    display: grid;
    gap: 1rem;
    max-width: 600px;
    margin: 2rem auto;
}

.benchmark-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-light);
    padding: 1rem;
    border-radius: var(--border-radius);
}

.benchmark-range {
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-weight: 600;
    min-width: 100px;
    text-align: center;
}

.benchmark-range.poor {
    background: #ffebee;
    color: var(--danger-color);
}

.benchmark-range.average {
    background: #fff3e0;
    color: var(--warning-color);
}

.benchmark-range.good {
    background: #e8f5e9;
    color: var(--success-color);
}

.benchmark-range.excellent {
    background: #e3f2fd;
    color: var(--primary-color);
}

/* Quick Links Section */
.quick-links {
    padding: 4rem 0;
    background: var(--bg-light);
}

.quick-links h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.links-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.link-card {
    background: var(--bg-white);
    padding: 2rem;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow-sm);
    text-align: center;
    transition: var(--transition);
}

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

.link-card .flag {
    font-size: 3rem;
    display: block;
    margin-bottom: 1rem;
}

.link-card h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

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

/* Ad Section */
.ad-section {
    padding: 2rem 0;
    background: var(--bg-white);
}

.ad-placeholder {
    max-width: 728px;
    margin: 0 auto;
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    padding: 3rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-col h4 {
    color: white;
    margin-bottom: 1rem;
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 0.5rem;
}

.footer-col a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-col a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.7);
    margin: 0.5rem 0;
}

/* Utility Classes */
.text-center { text-align: center; }
.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }