/*
=====================================================
    Theme: Blueprint
    Author: Joanie’s Flooring
    Version: 25.0
=====================================================
*/

/* 1. Variables & Root Styles */
:root {
    --primary-color: #0052CC; /* Blueprint Blue */
    --dark-color: #172B4D; 
    --medium-color: #5E6C84;
    --light-color: #F4F5F7;
    --bg-color: #FFFFFF;
    --border-color: #DFE1E6;

    --font-heading: 'IBM Plex Mono', monospace;
    --font-body: 'DM Sans', sans-serif;
    --font-weight-normal: 400;
    --font-weight-bold: 700;

    --transition-speed: 0.3s;
    --container-width: 1100px;
    --section-padding: 120px 0;
}

/* 2. Base & Reset Styles */
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-body);
    background-color: var(--bg-color);
    color: var(--dark-color);
    line-height: 1.7;
}

h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: var(--font-weight-bold); line-height: 1.2; }
h1 { font-size: clamp(3rem, 7vw, 4.5rem); }
h2 { font-size: clamp(2rem, 6vw, 3rem); }
h3 { font-size: 1.25rem; font-family: var(--font-body); }
p { color: var(--medium-color); margin-bottom: 1.5rem; max-width: 60ch; }
a { color: var(--primary-color); text-decoration: none; font-weight: var(--font-weight-bold); transition: color var(--transition-speed); }
a:hover { color: var(--dark-color); }
.container { width: 90%; max-width: var(--container-width); margin: 0 auto; }
.section-padding { padding: var(--section-padding); }
.text-center { text-align: center; }
.text-center p, .text-center h2 { margin-left: auto; margin-right: auto; }
.section-title { margin-bottom: 4rem; }
.section-title .subtitle { color: var(--medium-color); font-family: var(--font-heading); }
.section-title h2 { margin-top: 0.5rem; }

/* 3. Animations & Utilities */
.animate-on-load { opacity: 0; transform: translateY(30px); animation: slideInUp 0.8s ease-out forwards; }
@keyframes slideInUp { from { opacity: 0; transform: translateY(30px); } to { opacity: 1; transform: translateY(0); } }
.animate-on-load:nth-child(2) { animation-delay: 0.1s; }
.animate-on-load:nth-child(3) { animation-delay: 0.2s; }
.animate-on-scroll { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease-out, transform 0.6s ease-out; }
.animate-on-scroll.is-visible { opacity: 1; transform: translateY(0); }

/* 4. Header & Navigation */
#main-header { position: sticky; top: 0; z-index: 999; padding: 20px 0; background-color: rgba(255, 255, 255, 0.85); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-color); }
#main-header .container { display: flex; justify-content: space-between; align-items: center; }
#desktop-nav { display: none; } /* Mobile first */
.nav-links { list-style: none; display: flex; gap: 30px; }
.nav-link { font-weight: 700; color: var(--dark-color); }
#hamburger-btn { background: none; border: none; z-index: 1001; cursor: pointer; padding: 5px; }
#hamburger-btn span { display: block; width: 25px; height: 3px; background-color: var(--dark-color); transition: all var(--transition-speed) ease-in-out; margin-bottom: 5px; }
#hamburger-btn span:last-child { margin-bottom: 0; }
body.nav-open #hamburger-btn { position: fixed; right: 5%; }
body.nav-open #hamburger-btn span:nth-of-type(1) { transform: translateY(8px) rotate(45deg); }
body.nav-open #hamburger-btn span:nth-of-type(2) { opacity: 0; }
body.nav-open #hamburger-btn span:nth-of-type(3) { transform: translateY(-8px) rotate(-45deg); }

/* MOBILE NAVIGATION PANEL */
#mobile-nav { position: fixed; top: 0; right: 0; width: 100%; height: 100%; background-color: var(--bg-color); z-index: 1000; display: flex; flex-direction: column; justify-content: center; transform: translateX(100%); transition: transform 0.5s cubic-bezier(0.645, 0.045, 0.355, 1); }
body.nav-open { overflow: hidden; }
body.nav-open #mobile-nav { transform: translateX(0); }
#mobile-nav .nav-links { flex-direction: column; text-align: center; gap: 1rem; }
#mobile-nav .nav-link { font-family: var(--font-heading); font-size: clamp(2rem, 8vw, 3rem); display: block; padding: 0.5rem; }

/* 5. CTA Button */
.cta-button { padding: 0.8rem 1.8rem; background: var(--primary-color); color: var(--white-color); border: 2px solid var(--primary-color); transition: all var(--transition-speed); font-weight: 700; }
.cta-button:hover { background: #003366; border-color: #003366; }
.header-cta { display: none; } /* Hide by default, show on desktop */

/* 6. Hero Section */
#hero { background-color: var(--bg-color); border-bottom: 1px solid var(--border-color); padding-top: var(--section-padding); padding-bottom: 6rem; text-align: center; }
#hero .subtitle { color: var(--medium-color); font-size: 1rem; }
#hero h1 { max-width: 900px; margin: 1rem auto; }
#hero .highlight { color: var(--primary-color); }
#hero p { font-size: 1.25rem; max-width: 60ch; margin: 1.5rem auto 2.5rem; }

/* 7. Services Section */
.services-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.service-card { border: 1px solid var(--border-color); padding: 2.5rem; }
.service-card h3 { font-family: var(--font-body); }
.service-card:hover { background-color: var(--light-color); }

/* 8. Approach Section */
#approach { background-color: var(--light-color); }
.approach-grid { display: grid; grid-template-columns: 1fr 1.5fr; gap: 4rem; align-items: start; }
.tab-triggers button { background: none; border: none; text-align: left; font-family: var(--font-body); font-size: 1.5rem; font-weight: 700; color: var(--medium-color); padding: 1rem; display: block; width: 100%; border-left: 3px solid transparent; cursor: pointer; transition: all var(--transition-speed); }
.tab-triggers button.active { color: var(--dark-color); border-left-color: var(--primary-color); background-color: var(--bg-color); }
.tab-panel { display: none; font-size: 1.1rem; line-height: 1.8; }
.tab-panel.active { display: block; animation: slideInUp 0.5s; }

/* 9. Process Section */
#process { border-top: 1px solid var(--border-color); }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 2rem; }
.process-step { border: 1px solid var(--border-color); padding: 2rem; }
.step-number { font-family: var(--font-heading); font-size: 1.5rem; color: var(--primary-color); }
.process-step h3 { margin: 1rem 0; }

/* 10. Testimonial Section */
#testimonial { background-color: var(--primary-color); color: var(--white-color); }
.testimonial-content { max-width: 700px; margin: auto; text-align: center; }
blockquote p { font-family: var(--font-heading); font-size: 1.75rem; line-height: 1.6; }
cite { display: block; margin-top: 1.5rem; opacity: 0.8; }

/* 11. FAQ Section */
.faq-accordion { max-width: 800px; margin: auto; }
.faq-item { border-bottom: 1px solid var(--border-color); }
.faq-question { display: flex; justify-content: space-between; align-items: center; width: 100%; background: none; border: none; padding: 1.5rem 0; cursor: pointer; text-align: left; }
.faq-question i { color: var(--primary-color); transition: transform var(--transition-speed); }
.faq-item.open .faq-question i { transform: rotate(45deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease; }
.faq-answer p { padding-bottom: 1.5rem; }

/* 12. Final CTA Section */
#final-cta { background-color: var(--light-color); }
#final-cta p { max-width: 600px; margin: 1rem auto 2rem; }

/* 13. Page & Legal Styles */
.page-header { background-color: var(--light-color); padding: var(--section-padding); }
.legal-content .container { max-width: 800px; }
.legal-content h2 { margin: 2rem 0 1rem; }
.legal-content ul { margin-left: 1.5rem; }
.contact-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 3rem; }
.form-group label { display: block; font-weight: 600; margin-bottom: 0.5rem; }
.form-group input, .form-group textarea { width: 100%; padding: 1rem; border: 1px solid var(--border-color); }

/* 14. Footer */
#main-footer { padding: 80px 0; background-color: var(--dark-color); color: var(--light-color); }
#main-footer a, #main-footer p, #main-footer h4 { color: var(--white-color); }
.footer-grid { display: grid; grid-template-columns: 2fr repeat(3, 1fr); gap: 3rem; }
.footer-bottom { text-align: center; margin-top: 3rem; padding-top: 2rem; border-top: 1px solid #4A5568; opacity: 0.5; }

/* 15. Responsive Design */
@media (min-width: 992px) {
    #desktop-nav { display: block; }
    .header-cta { display: inline-block; }
    #hamburger-btn, #mobile-nav { display: none; }
}
@media (max-width: 768px) {
    .services-grid, .footer-grid, #contact-page .contact-grid, .process-grid, .approach-grid { grid-template-columns: 1fr; }
    .approach-title { text-align: center; margin-bottom: 2rem; }
    .footer-grid { text-align: center; }
}