/* Template 47 - Blueprint Technical / Engineering Drafting */
@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:wght@400;500;600;700&family=Barlow:wght@400;500;600;700&display=swap');

:root {
    --blueprint-bg: #0a1628;
    --blueprint-dark: #061018;
    --grid-line: rgba(65, 155, 230, 0.12);
    --grid-line-major: rgba(65, 155, 230, 0.25);
    --cyan-bright: #00d4ff;
    --cyan-dim: #419be6;
    --white-chalk: #e8f4fc;
    --text-primary: #d0e8f7;
    --text-secondary: #8ab4d4;
    --text-muted: #5a8aaa;
    --accent-orange: #ff6b35;
    --paper-cream: #f5f0e6;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: 'Barlow', sans-serif;
    line-height: 1.7;
    color: var(--text-primary);
    background: var(--blueprint-bg);
    font-weight: 400;
    overflow-x: hidden;
    position: relative;
}

/* Blueprint grid background */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(var(--grid-line) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line) 1px, transparent 1px),
        linear-gradient(var(--grid-line-major) 1px, transparent 1px),
        linear-gradient(90deg, var(--grid-line-major) 1px, transparent 1px);
    background-size: 20px 20px, 20px 20px, 100px 100px, 100px 100px;
    pointer-events: none;
    z-index: -1;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Header - Technical Drawing Title Block */
.site-header {
    background: var(--blueprint-dark);
    border-bottom: 2px solid var(--cyan-dim);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

.site-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: repeating-linear-gradient(90deg, var(--cyan-bright) 0px, var(--cyan-bright) 10px, transparent 10px, transparent 20px);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    min-height: 70px;
}

.site-logo {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    border-right: 1px solid var(--cyan-dim);
    background: rgba(0, 212, 255, 0.05);
}

.site-logo a {
    font-family: 'Roboto Mono', monospace;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--cyan-bright);
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 3px;
    transition: all 0.3s ease;
}

.site-logo a::before {
    content: '[ ';
    color: var(--text-muted);
}

.site-logo a::after {
    content: ' ]';
    color: var(--text-muted);
}

.site-logo a:hover {
    color: var(--white-chalk);
    text-shadow: 0 0 10px var(--cyan-bright);
}

.site-nav {
    display: flex;
    align-items: stretch;
}

.site-nav ul {
    list-style: none;
    display: flex;
    align-items: stretch;
    gap: 0;
}

.site-nav li {
    border-left: 1px solid var(--grid-line-major);
}

.site-nav a {
    display: flex;
    align-items: center;
    padding: 0 1.5rem;
    height: 100%;
    color: var(--text-secondary);
    text-decoration: none;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.3s ease;
    position: relative;
}

.site-nav a::before {
    content: '>';
    margin-right: 8px;
    color: var(--cyan-dim);
    opacity: 0;
    transition: all 0.3s ease;
}

.site-nav a:hover {
    color: var(--cyan-bright);
    background: rgba(0, 212, 255, 0.1);
}

.site-nav a:hover::before {
    opacity: 1;
}

/* Hero Section - Technical Specification */
.section.head {
    padding: 6rem 0;
    text-align: left;
    position: relative;
}

.section.head::before {
    content: 'SECTION 01';
    position: absolute;
    top: 2rem;
    left: 2rem;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.75rem;
    color: var(--cyan-dim);
    letter-spacing: 2px;
}

.section.head h1 {
    font-family: 'Roboto Mono', monospace;
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--white-chalk);
    text-transform: uppercase;
    letter-spacing: 2px;
    position: relative;
    display: inline-block;
}

.section.head h1::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan-bright), transparent);
}

.section.head p {
    font-size: 1.1rem;
    color: var(--text-secondary);
    max-width: 800px;
    padding: 1.5rem;
    border: 1px dashed var(--cyan-dim);
    background: rgba(0, 212, 255, 0.03);
    position: relative;
}

.section.head p::before {
    content: 'SPEC';
    position: absolute;
    top: -10px;
    left: 20px;
    background: var(--blueprint-bg);
    padding: 0 10px;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.7rem;
    color: var(--cyan-dim);
    letter-spacing: 2px;
}

/* Section Styling */
.section {
    padding: 5rem 0;
    position: relative;
}

.section header {
    margin-bottom: 3rem;
}

.section header h2 {
    font-family: 'Roboto Mono', monospace;
    font-size: 1.8rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--white-chalk);
    text-transform: uppercase;
    letter-spacing: 2px;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section header h2::before {
    content: '';
    width: 30px;
    height: 2px;
    background: var(--cyan-bright);
}

.section header p {
    font-size: 1rem;
    color: var(--text-secondary);
    max-width: 600px;
    padding-left: 46px;
}

/* Footer - Drawing Information Block */
.footer {
    background: var(--blueprint-dark);
    padding: 0;
    border-top: 2px solid var(--cyan-dim);
    margin-top: 5rem;
}

.footer::before {
    content: '';
    display: block;
    height: 3px;
    background: repeating-linear-gradient(90deg, var(--cyan-bright) 0px, var(--cyan-bright) 10px, transparent 10px, transparent 20px);
}

.footer-columns {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 0;
    border-bottom: 1px solid var(--cyan-dim);
}

.footer-about {
    padding: 2rem;
    border-right: 1px solid var(--cyan-dim);
}

.footer-about::before {
    content: 'PROJECT INFO';
    display: block;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.7rem;
    color: var(--cyan-dim);
    letter-spacing: 2px;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--grid-line-major);
}

.footer-tagline {
    color: var(--text-secondary);
    line-height: 1.8;
    font-size: 0.95rem;
}

.footer-links {
    padding: 2rem;
    border-right: 1px solid var(--cyan-dim);
}

.footer-links::before {
    content: 'NAVIGATION';
    display: block;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.7rem;
    color: var(--cyan-dim);
    letter-spacing: 2px;
    margin-bottom: 1rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px dashed var(--grid-line-major);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-family: 'Roboto Mono', monospace;
    font-size: 0.85rem;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a::before {
    content: '>';
    color: var(--cyan-dim);
    transition: all 0.3s ease;
}

.footer-links a:hover {
    color: var(--cyan-bright);
}

.footer-links a:hover::before {
    color: var(--cyan-bright);
    transform: translateX(3px);
}

.footer-bottom {
    text-align: center;
    padding: 1.5rem 2rem;
    background: rgba(0, 212, 255, 0.03);
}

.copyright a {
    color: var(--text-muted);
    font-family: 'Roboto Mono', monospace;
    font-size: 0.8rem;
    letter-spacing: 1px;
}

/* Animations */
@keyframes scanline {
    0% { transform: translateY(-100%); }
    100% { transform: translateY(100vh); }
}

.fade-in {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

@keyframes fadeInUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

main {
    flex: 1;
}

body:not(.faq) h3,
:not(section.faq) h3 {
    font-family: 'Roboto Mono', monospace;
    font-size: 1.4rem;
    color: var(--white-chalk);
    margin-top: 15px;
    margin-bottom: 10px;
    text-align: left;
    text-transform: uppercase;
    letter-spacing: 1px;
}