/* ==========================================================================
   UniCAD Premium Design System & Stylesheet
   Theme: Cycladic Technical (Midnight Black, Steel Silver, Precision Red)
   ========================================================================== */

:root {
    --bg-primary: #0a0a0c;
    --bg-secondary: #121215;
    --bg-tertiary: #191920;
    --border-color: #24242d;
    --border-glow: rgba(255, 59, 48, 0.15);
    
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    
    --accent-red: #ff3b30;
    --accent-red-hover: #e03228;
    --accent-red-glow: rgba(255, 59, 48, 0.25);
    --accent-dark-red: #8b0000;
    
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.7);
    
    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --header-height: 80px;
}

/* ==========================================================================
   Base & Reset
   ========================================================================== */

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    background-color: var(--bg-primary);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 5px;
    border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-red);
}

/* Language Selection Helpers */
body.lang-en .lang-el {
    display: none !important;
}
body.lang-el .lang-en {
    display: none !important;
}

/* ==========================================================================
   Typography & Layout Components
   ========================================================================== */

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.25;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.highlight {
    color: var(--accent-red);
    position: relative;
    white-space: nowrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 1.8rem;
    font-size: 0.95rem;
    font-weight: 600;
    border-radius: 6px;
    border: 1px solid transparent;
    cursor: pointer;
    transition: var(--transition-smooth);
    font-family: var(--font-heading);
    letter-spacing: 0.5px;
}

.btn-primary {
    background-color: var(--accent-red);
    color: #fff;
    box-shadow: 0 4px 15px var(--accent-red-glow);
}
.btn-primary:hover {
    background-color: var(--accent-red-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 59, 48, 0.4);
}

.btn-secondary {
    background-color: transparent;
    border-color: var(--border-color);
    color: var(--text-main);
}
.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

.btn-block {
    display: flex;
    width: 100%;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem auto;
}

.section-tag {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--accent-red);
    display: inline-block;
    margin-bottom: 0.75rem;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text-main);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-muted);
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-red);
    border-radius: 50%;
    display: inline-block;
    box-shadow: 0 0 8px var(--accent-red);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.5; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.5; }
}

/* ==========================================================================
   Header & Sticky Nav
   ========================================================================== */

.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    background: rgba(10, 10, 12, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    display: flex;
    align-items: center;
    transition: var(--transition-smooth);
}

.header.scrolled {
    height: 70px;
    background: rgba(10, 10, 12, 0.95);
    box-shadow: var(--shadow-sm);
}

.header-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-icon {
    flex-shrink: 0;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo-brand-custom {
    font-family: var(--font-heading);
    font-size: 1.85rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-main);
    line-height: 1;
    text-transform: lowercase;
}

.logo-dot {
    color: var(--accent-red);
}

.logo-subtitle {
    font-size: 0.7rem;
    color: var(--text-muted);
    font-weight: 500;
    margin-top: 2px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}
.nav-link:hover {
    color: var(--accent-red);
}

.btn-nav-cta {
    padding: 0.5rem 1.2rem;
    font-size: 0.85rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-main);
}
.btn-nav-cta:hover {
    background-color: var(--accent-red);
    border-color: var(--accent-red);
    color: #fff;
    box-shadow: 0 0 12px var(--accent-red-glow);
}

/* Language Switcher */
.lang-switcher {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 0.3rem 0.6rem;
    border-radius: 4px;
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
}

.lang-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition-smooth);
    padding: 2px 4px;
}
.lang-btn.active {
    color: var(--accent-red);
}
.lang-btn:hover:not(.active) {
    color: var(--text-main);
}

.lang-divider {
    color: var(--border-color);
    pointer-events: none;
}

/* Mobile Nav Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
}

.nav-toggle .bar {
    width: 100%;
    height: 2px;
    background-color: var(--text-main);
    transition: var(--transition-smooth);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero {
    position: relative;
    padding-top: calc(var(--header-height) + 4rem);
    padding-bottom: 6rem;
    min-height: 85vh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

.hero-bg-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: 50px 50px;
    background-image: 
        linear-gradient(to right, rgba(255, 59, 48, 0.04) 1px, transparent 1px),
        linear-gradient(to bottom, rgba(255, 59, 48, 0.04) 1px, transparent 1px);
    mask-image: radial-gradient(circle at 60% 50%, black 30%, transparent 90%);
    -webkit-mask-image: radial-gradient(circle at 60% 50%, black 30%, transparent 90%);
    z-index: 1;
    pointer-events: none;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}

.hero-content {
    max-width: 620px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Tech Card Visual */
.hero-visual {
    display: flex;
    justify-content: center;
    position: relative;
}

.tech-card-wrapper {
    position: relative;
    width: 100%;
    max-width: 420px;
}

.tech-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.tech-card-header {
    background-color: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    padding: 0.85rem 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.tech-dots {
    display: flex;
    gap: 6px;
}
.tech-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--border-color);
}
.tech-dots span:first-child {
    background-color: var(--accent-red);
}

.tech-title {
    font-family: monospace;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.tech-card-body {
    padding: 1.5rem;
    font-family: monospace;
    font-size: 0.8rem;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.code-line {
    color: #e2e8f0;
}
.code-label {
    color: var(--accent-red);
}

/* Floating Badges */
.floating-badge {
    position: absolute;
    background: rgba(18, 18, 21, 0.8);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 0.85rem 1.2rem;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    box-shadow: var(--shadow-sm);
    z-index: 5;
    transition: var(--transition-smooth);
}
.floating-badge:hover {
    transform: translateY(-3px);
    border-color: var(--accent-red);
    box-shadow: 0 4px 15px var(--border-glow);
}

.fb-1 {
    top: -20px;
    right: -10px;
}

.fb-2 {
    bottom: -20px;
    left: -20px;
}

.fb-icon {
    font-size: 1.5rem;
}

.fb-num {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-main);
    line-height: 1.1;
}

.fb-txt {
    font-size: 0.7rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Services Section
   ========================================================================== */

.services {
    padding: 6rem 0;
    background-color: var(--bg-secondary);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 2.25rem 2rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--accent-red);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-6px);
    border-color: rgba(255, 59, 48, 0.3);
    box-shadow: var(--shadow-md), 0 0 20px var(--border-glow);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon-wrapper {
    color: var(--accent-red);
    margin-bottom: 1.5rem;
    display: inline-block;
    padding: 0.75rem;
    background-color: rgba(255, 59, 48, 0.06);
    border-radius: 8px;
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon-wrapper {
    background-color: var(--accent-red);
    color: #fff;
}

.service-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.service-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    font-size: 0.85rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
}

.service-list li {
    position: relative;
    padding-left: 1.25rem;
    color: var(--text-main);
}

.service-list li::before {
    content: '▪';
    color: var(--accent-red);
    position: absolute;
    left: 0;
    top: 0;
    font-size: 0.8rem;
}

/* ==========================================================================
   Challenges Section
   ========================================================================== */

.challenges {
    padding: 7rem 0;
    position: relative;
}

.challenges-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.challenges-content {
    max-width: 600px;
}

.challenges-lead {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.challenge-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 2rem;
}
.challenge-item:last-child {
    margin-bottom: 0;
}

.challenge-num {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--accent-red);
    opacity: 0.8;
    line-height: 1.1;
}

.challenge-item-title {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.challenge-item-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* Vector Map Visual */
.challenges-visual {
    display: flex;
    justify-content: center;
}

.island-map-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    width: 100%;
    max-width: 400px;
    box-shadow: var(--shadow-md);
    position: relative;
}

.paros-map-svg {
    max-height: 250px;
    margin-bottom: 1.5rem;
}

.map-pin {
    animation: map-pulse 2s infinite ease-in-out;
}
.map-pin-secondary {
    animation: map-pulse 2s infinite ease-in-out;
    animation-delay: 0.5s;
}

@keyframes map-pulse {
    0% { transform: scale(1) translate(0, 0); opacity: 0.8; }
    50% { transform: scale(1.1) translate(0, 0); opacity: 1; }
    100% { transform: scale(1) translate(0, 0); opacity: 0.8; }
}

.map-card-text {
    border-top: 1px solid var(--border-color);
    padding-top: 1rem;
}

.map-card-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 0.25rem;
}

.map-card-info {
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* ==========================================================================
   Contact / Consultation Form Section
   ========================================================================== */

.contact-section {
    padding: 6rem 0;
    background-color: var(--bg-secondary);
    position: relative;
    border-top: 1px solid var(--border-color);
}

.contact-container {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 4rem;
    align-items: start;
}

.contact-info {
    max-width: 500px;
}

.contact-intro {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.contact-details-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-detail-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1.2rem;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition-smooth);
}
.contact-detail-item:hover {
    border-color: var(--accent-red);
    transform: translateX(4px);
    box-shadow: 0 4px 15px var(--border-glow);
}

.cd-icon {
    width: 44px;
    height: 44px;
    border-radius: 6px;
    background-color: rgba(255, 59, 48, 0.08);
    color: var(--accent-red);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.cd-label {
    display: block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
    font-weight: 600;
}

.cd-val {
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1.05rem;
    color: var(--text-main);
}

/* Contact Form */
.contact-form-wrapper {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: var(--shadow-md);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-main);
}

.form-group input, 
.form-group select, 
.form-group textarea {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.85rem 1rem;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 0.9rem;
    transition: var(--transition-smooth);
}

.form-group input::placeholder, 
.form-group textarea::placeholder {
    color: #4b5563;
}

.form-group input:focus, 
.form-group select:focus, 
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-red);
    box-shadow: 0 0 10px rgba(255, 59, 48, 0.15);
    background-color: var(--bg-tertiary);
}

/* Custom Checkboxes */
.checkbox-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.checkbox-container {
    display: flex;
    align-items: center;
    position: relative;
    padding-left: 2rem;
    cursor: pointer;
    font-size: 0.85rem;
    user-select: none;
    color: var(--text-muted);
}

.checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
}

.checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 1.2rem;
    width: 1.2rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.checkbox-container:hover input ~ .checkmark {
    border-color: var(--text-muted);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--accent-red);
    border-color: var(--accent-red);
}

.checkmark:after {
    content: "";
    position: absolute;
    display: none;
}

.checkbox-container input:checked ~ .checkmark:after {
    display: block;
}

.checkbox-container .checkmark:after {
    left: 6px;
    top: 2px;
    width: 5px;
    height: 9px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-container input:checked ~ span:not(.checkmark) {
    color: var(--text-main);
}

/* Form Feedback */
.form-feedback {
    padding: 0.85rem;
    border-radius: 6px;
    font-size: 0.85rem;
    text-align: center;
    margin-top: 0.5rem;
}

.form-feedback.success {
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.form-feedback.error {
    background-color: rgba(239, 68, 68, 0.1);
    color: #ef4444;
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.hidden {
    display: none;
}

/* ==========================================================================
   CAD Spec Configurator Styles
   ========================================================================== */

.configurator {
    padding: 6rem 0;
    border-top: 1px solid var(--border-color);
}

.configurator-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3.5rem;
    align-items: start;
}

.configurator-controls {
    display: flex;
    flex-direction: column;
    gap: 2.25rem;
}

.control-group {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.control-label {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-main);
    display: block;
}

.radio-toggle-group {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
    gap: 1rem;
}

.toggle-btn {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    border-radius: 8px;
    padding: 1.25rem 1.1rem;
    text-align: left;
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.toggle-btn:hover {
    border-color: var(--text-muted);
    background-color: var(--bg-tertiary);
    transform: translateY(-2px);
}

.toggle-btn.active {
    border-color: var(--accent-red);
    color: var(--text-main);
    background-color: rgba(255, 59, 48, 0.04);
    box-shadow: 0 0 15px var(--border-glow);
    transform: translateY(-2px);
}

.toggle-title {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-main);
    line-height: 1.2;
}

.toggle-subtitle {
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.3;
}

.checkbox-list {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    margin-top: 0.25rem;
}

.checkbox-list .checkbox-container {
    padding-left: 2.25rem;
    font-size: 0.9rem;
    font-weight: 500;
}

.checkbox-list .checkmark {
    height: 1.3rem;
    width: 1.3rem;
    border-radius: 4px;
}

.checkbox-list .checkbox-container .checkmark:after {
    left: 7px;
    top: 3px;
    width: 5px;
    height: 9px;
}

/* Blueprint Spec Card */
.blueprint-card {
    background-color: #0e0e12;
    background-image: 
        linear-gradient(rgba(255, 59, 48, 0.015) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 59, 48, 0.015) 1px, transparent 1px);
    background-size: 20px 20px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md), 0 0 30px rgba(0, 0, 0, 0.5);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
}

.blueprint-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--accent-red);
}

.blueprint-header {
    background-color: rgba(255, 59, 48, 0.03);
    border-bottom: 1px dashed var(--border-color);
    padding: 1.25rem 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.bp-title {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent-red);
}

.bp-model-code {
    font-family: monospace;
    font-size: 0.85rem;
    font-weight: 600;
    background-color: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    padding: 0.25rem 0.6rem;
    border-radius: 4px;
    color: var(--text-main);
}

.blueprint-body {
    padding: 1.5rem 2rem;
    display: flex;
    flex-direction: column;
}

.bp-spec-item {
    display: flex;
    align-items: center;
    gap: 1.25rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

.bp-spec-item:last-child {
    border-bottom: none;
}

.bp-spec-item:hover {
    background-color: rgba(255, 255, 255, 0.01);
}

.bp-icon {
    font-size: 1.35rem;
    width: 2rem;
    text-align: center;
}

.bp-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.bp-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.bp-value {
    font-family: monospace;
    font-size: 0.95rem;
    color: var(--text-main);
    font-weight: 500;
}

.blueprint-footer {
    padding: 1.5rem 2rem 2rem 2rem;
    border-top: 1px dashed var(--border-color);
    background-color: rgba(0, 0, 0, 0.2);
}

/* Responsive Configurator overrides */
@media (max-width: 1024px) {
    .configurator-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
}

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
    background-color: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 0 0;
}

.footer-container {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    padding-bottom: 4rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 1.25rem;
}

.footer-desc {
    color: var(--text-muted);
    font-size: 0.9rem;
    max-width: 320px;
}

.footer-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}
.footer-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 24px;
    height: 2px;
    background-color: var(--accent-red);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.9rem;
}
.footer-links a:hover {
    color: var(--accent-red);
    padding-left: 4px;
}

.footer-phone {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--accent-red);
    margin-bottom: 0.5rem;
}
.footer-phone:hover {
    color: var(--text-main);
}

.footer-hours {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 1.5rem 0;
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: #4b5563;
}

/* ==========================================================================
   404 Error Page Styles
   ========================================================================== */

.error-section {
    padding: calc(var(--header-height) + 6rem) 0 8rem 0;
    min-height: 75vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
}

.error-card {
    max-width: 550px;
    width: 100%;
}

.error-num {
    font-size: 7rem;
    font-family: var(--font-heading);
    font-weight: 800;
    color: var(--accent-red);
    line-height: 1;
    margin-bottom: 1.5rem;
    letter-spacing: -2px;
    text-shadow: 0 0 40px var(--accent-red-glow);
}

.error-title {
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 1.25rem;
    color: var(--text-main);
}

.error-desc {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

/* ==========================================================================
   Responsive Media Queries
   ========================================================================== */

@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 4rem;
        text-align: center;
    }
    .hero-content {
        max-width: 100%;
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    .hero-actions {
        justify-content: center;
    }
    
    .challenges-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    .challenges-content {
        max-width: 100%;
    }
    .challenges-visual {
        order: -1;
    }
    
    .contact-container {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }
    .contact-info {
        max-width: 100%;
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    
    .section-title {
        font-size: 1.85rem;
    }
    
    .hero-title {
        font-size: 2.35rem;
    }
    
    .hero-lead {
        font-size: 1.05rem;
    }
    
    /* Responsive Header & Hamburger Menu */
    .nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--bg-primary);
        border-top: 1px solid var(--border-color);
        flex-direction: column;
        padding: 3rem 2rem;
        gap: 2.25rem;
        transform: translateY(-100%);
        opacity: 0;
        transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
        pointer-events: none;
        overflow-y: auto;
    }
    
    .nav-menu.open {
        transform: translateY(0);
        opacity: 1;
        pointer-events: all;
    }
    
    /* Toggle Bar Animations */
    .nav-toggle.open .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .nav-toggle.open .bar:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.open .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-bottom-container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .floating-badge {
        display: none; /* Hide floating items on small screens to save space */
    }
}