/* 
========================================================================
   Technisches Büro Putz - Premium TGA & Brandschutz Engineering CSS
========================================================================
*/

/* --- Variables & Tokens --- */
:root {
    /* Color Palette */
    --color-primary: #20214F;       /* Ultramarinblau (RAL 5002 / SVG Logo shade) */
    --color-primary-light: #313374; /* Lighter shade of navy */
    --color-accent: #D95526;        /* Signalorange (RAL 2010) - Primary accent */
    --color-accent-hover: #BF441B;  
    --color-accent-red: #A52019;    /* Signalrot (RAL 3001) - For Brandschutz elements */
    --color-accent-blue: #1E40AF;   /* Dark blue for TGA planning */
    --color-accent-subtle: #F0F4FF; /* Subtle helper blue */
    --color-gold-light: #FEF3C7;    /* Warm gold background */
    --color-bg-main: #F8FAFC;       /* Clean slate-white */
    --color-bg-card: #FFFFFF;
    --color-text-main: #334155;     /* Slate 700 - Highly readable body */
    --color-text-muted: #64748B;    /* Slate 500 */
    --color-text-light: #F8FAFC;
    --color-border: #E2E8F0;        /* Slate 200 */
    
    /* Typography */
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
    --font-serif: 'Lora', Cambria, Georgia, serif; /* Lora is a screen-optimized serif similar to Cambria */
    
    /* Layout */
    --max-width: 1200px;
    --border-radius-sm: 6px;
    --border-radius-md: 12px;
    --border-radius-lg: 18px;
    
    /* Shadows & Glows */
    --shadow-sm: 0 2px 4px rgba(32, 33, 79, 0.04);
    --shadow-md: 0 10px 25px -5px rgba(32, 33, 79, 0.06), 0 8px 10px -6px rgba(32, 33, 79, 0.06);
    --shadow-lg: 0 20px 40px -15px rgba(32, 33, 79, 0.1), 0 15px 20px -10px rgba(32, 33, 79, 0.06);
    --glow-orange: 0 0 30px rgba(217, 85, 38, 0.15);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

/* --- Typography Helpers --- */
h1, h2, h3, h4 {
    color: var(--color-primary);
    font-weight: 700;
    line-height: 1.25;
}

h1 {
    font-family: var(--font-serif);
    font-size: clamp(2.4rem, 4.5vw, 3.5rem);
    margin-bottom: 1.25rem;
}

h2 {
    font-family: var(--font-serif);
    font-size: clamp(1.85rem, 3.5vw, 2.5rem);
    margin-bottom: 1rem;
}

h3 {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1rem;
}

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

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

/* --- Layout Containers --- */
.container {
    width: 100%;
    max-width: var(--max-width);
    margin-left: auto;
    margin-right: auto;
    padding-left: 1.5rem;
    padding-right: 1.5rem;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2rem;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-normal);
    cursor: pointer;
    border: none;
    text-align: center;
}

.btn-primary {
    background-color: var(--color-accent);
    color: var(--color-text-light);
    box-shadow: 0 4px 14px rgba(217, 85, 38, 0.25);
}

.btn-primary:hover {
    background-color: var(--color-accent-hover);
    color: var(--color-text-light);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(217, 85, 38, 0.35);
}

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

.btn-secondary:hover {
    background-color: rgba(32, 33, 79, 0.05);
    transform: translateY(-2px);
}

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

/* --- Color classes for lists / badges --- */
.font-accent-red .service-icon-wrapper {
    background-color: rgba(165, 32, 25, 0.08);
    color: var(--color-accent-red);
}
.font-accent-orange .service-icon-wrapper {
    background-color: rgba(217, 85, 38, 0.08);
    color: var(--color-accent);
}
.font-accent-blue .service-icon-wrapper {
    background-color: rgba(30, 64, 175, 0.08);
    color: var(--color-accent-blue);
}

.font-accent-red::before { background-color: var(--color-accent-red) !important; }
.font-accent-orange::before { background-color: var(--color-accent) !important; }
.font-accent-blue::before { background-color: var(--color-accent-blue) !important; }

.font-accent-red .service-features li::before { color: var(--color-accent-red); }
.font-accent-orange .service-features li::before { color: var(--color-accent); }
.font-accent-blue .service-features li::before { color: var(--color-accent-blue); }

.border-accent-red { border-left: 3px solid var(--color-accent-red) !important; }
.border-accent-orange { border-left: 3px solid var(--color-accent) !important; }
.border-accent-blue { border-left: 3px solid var(--color-accent-blue) !important; }

/* Helpers for glass text color */
.font-accent-red { color: var(--color-accent-red) !important; }
.font-accent-orange { color: var(--color-accent) !important; }
.font-orange { color: var(--color-accent) !important; }

/* --- Header & Navigation --- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 85px;
    z-index: 1000;
    background-color: rgba(248, 250, 252, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(226, 232, 240, 0.6);
    transition: all var(--transition-normal);
}

.header-scrolled {
    height: 75px;
    background-color: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

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

.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 24px;
    height: 18px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1100;
}

.mobile-nav-toggle span {
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transition: all var(--transition-fast);
}

.nav-menu ul {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 1.75rem;
}

.nav-link {
    color: var(--color-text-main);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 0.5rem 0;
    position: relative;
    font-family: var(--font-sans);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-accent);
    transition: width var(--transition-fast);
}

.nav-link:hover::after {
    width: 100%;
}

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

.nav-btn {
    background-color: var(--color-primary);
    color: white;
    padding: 0.65rem 1.25rem;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    transition: all var(--transition-fast);
}

.nav-btn::after {
    display: none;
}

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

/* --- Hero Section --- */
.hero {
    position: relative;
    padding-top: 170px;
    padding-bottom: 90px;
    background-color: var(--color-bg-main);
    overflow: hidden;
}

.hero-glow-1 {
    position: absolute;
    top: -15%;
    right: -10%;
    width: 700px;
    height: 700px;
    background: radial-gradient(circle, rgba(217, 85, 38, 0.08) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    z-index: 1;
}

.hero-glow-2 {
    position: absolute;
    bottom: -10%;
    left: -15%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(32, 33, 79, 0.05) 0%, rgba(255, 255, 255, 0) 70%);
    border-radius: 50%;
    z-index: 1;
}

.hero-container {
    position: relative;
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 4rem;
    align-items: center;
    z-index: 2;
}

.hero-content {
    max-width: 660px;
}

.badge {
    display: inline-flex;
    padding: 0.4rem 1.1rem;
    background-color: rgba(217, 85, 38, 0.07);
    color: var(--color-accent);
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
}

.hero-lead {
    font-size: 1.15rem;
    color: var(--color-text-muted);
    margin-bottom: 2.25rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3.5rem;
}

.hero-trust {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.trust-item {
    display: flex;
    flex-direction: column;
}

.trust-title-text {
    font-family: var(--font-serif);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1.2;
}

.trust-desc-text {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.trust-divider {
    width: 1px;
    height: 35px;
    background-color: var(--color-border);
}

/* Hero Images / BIM display */
.hero-image-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.image-wrapper {
    position: relative;
    width: 100%;
    max-width: 480px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
}

.hero-image {
    width: 100%;
    height: auto;
    border-radius: var(--border-radius-md);
    object-fit: cover;
    display: block;
}

.glass-card {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 1.2rem;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-md);
    max-width: 260px;
    z-index: 10;
}

.glass-card h4 {
    font-family: var(--font-serif);
    font-size: 0.95rem;
    margin-bottom: 0.15rem;
}

.glass-card p {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin: 0;
}

.card-icon {
    font-size: 1.3rem;
    background: var(--color-bg-main);
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    flex-shrink: 0;
}

.card-top-right {
    top: 8%;
    right: -10%;
}

.card-bottom-left {
    bottom: 8%;
    left: -10%;
}

/* --- Banner Quick Profile --- */
.banner-quick-profile {
    background-color: var(--color-primary);
    color: white;
    padding: 2.5rem 0;
    border-bottom: 4px solid var(--color-accent);
}

.profile-banner-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin: 0;
    font-family: var(--font-serif);
    font-style: italic;
    color: rgba(255, 255, 255, 0.9);
}

.profile-banner-content strong {
    font-family: var(--font-sans);
    font-weight: 700;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    display: block;
    margin-bottom: 0.5rem;
    font-style: normal;
}

/* --- Section Global Formatting --- */
section {
    padding: 90px 0;
}

.section-header {
    max-width: 750px;
    margin-bottom: 4.5rem;
}

.section-header.text-center {
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

.section-subtitle {
    display: inline-block;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

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

/* --- Services Section --- */
.services {
    background-color: var(--color-bg-card);
    border-bottom: 1px solid var(--color-border);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--color-bg-main);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    padding: 2.5rem;
    transition: all var(--transition-normal);
    position: relative;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-accent);
    opacity: 0;
    transition: opacity var(--transition-fast);
    border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
}

.service-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: rgba(32, 33, 79, 0.15);
    background-color: var(--color-bg-card);
}

.service-card:hover::before {
    opacity: 1;
}

.service-icon-wrapper {
    width: 52px;
    height: 52px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: transform var(--transition-normal);
}

.service-card:hover .service-icon-wrapper {
    transform: scale(1.08);
}

.service-icon {
    width: 26px;
    height: 26px;
}

.service-card h3 {
    margin-bottom: 0.75rem;
}

.service-card p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.service-features {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.service-features li {
    font-size: 0.88rem;
    color: var(--color-text-main);
    padding-left: 1.25rem;
    position: relative;
}

.service-features li::before {
    content: "▪";
    position: absolute;
    left: 0;
    font-weight: 700;
}

/* --- Sectors Grid --- */
.sectors {
    background-color: var(--color-bg-main);
}

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

.sector-card {
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 2.25rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: border var(--transition-fast), transform var(--transition-fast);
}

.sector-card:hover {
    border-color: var(--color-accent);
    transform: translateY(-2px);
}

.sector-num {
    display: block;
    font-family: var(--font-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
}

.sector-card h3 {
    margin-bottom: 0.5rem;
}

.sector-card p {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* --- Project Process Section (Timeline) --- */
.process-section {
    background-color: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.process-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding: 2rem 0;
}

.process-timeline::before {
    content: '';
    position: absolute;
    left: 31px;
    top: 0;
    width: 2px;
    height: 100%;
    background-color: var(--color-border);
}

.timeline-step {
    position: relative;
    display: flex;
    gap: 2.5rem;
    margin-bottom: 3.5rem;
}

.timeline-step:last-child {
    margin-bottom: 0;
}

.step-num {
    position: relative;
    width: 64px;
    height: 64px;
    background-color: var(--color-primary);
    color: white;
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    z-index: 5;
    flex-shrink: 0;
    border: 4px solid var(--color-bg-card);
    box-shadow: var(--shadow-sm);
    transition: background-color var(--transition-fast);
}

.timeline-step:hover .step-num {
    background-color: var(--color-accent);
}

.step-content {
    padding-top: 0.65rem;
}

.step-content h3 {
    margin-bottom: 0.5rem;
}

.step-content p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    margin: 0;
}

/* --- Quality & Deliverables Section --- */
.quality-section {
    background-color: var(--color-bg-main);
}

.quality-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 5rem;
    align-items: flex-start;
}

.quality-item {
    display: flex;
    gap: 1.25rem;
    margin-bottom: 2rem;
}

.quality-item h4 {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    margin-bottom: 0.25rem;
}

.quality-item p {
    font-size: 0.92rem;
    color: var(--color-text-muted);
    margin: 0;
}

.quality-indicator {
    width: 4px;
    height: 45px;
    background-color: var(--color-border);
    flex-shrink: 0;
    border-radius: 2px;
}

/* Deliverables Side Panel */
.deliverables-panel {
    background-color: var(--color-primary);
    color: white;
    padding: 3rem;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
}

.deliverables-panel h3 {
    color: white;
    margin-bottom: 0.5rem;
}

.deliverables-panel p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
    margin-bottom: 2rem;
}

.deliverable-card {
    display: flex;
    gap: 1.25rem;
    background-color: rgba(255, 255, 255, 0.05);
    padding: 1.25rem;
    border-radius: var(--border-radius-sm);
    margin-bottom: 1.25rem;
    border-left: 3px solid var(--color-accent);
}

.deliverable-card:last-child {
    margin-bottom: 0;
}

.deliverable-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.deliverable-card h4 {
    color: white;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.deliverable-card p {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.8rem;
    margin: 0;
}

/* --- Project Planner / Configurator Section --- */
.calculator-section {
    background-color: var(--color-accent-subtle);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

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

.calc-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
}

.calc-sliders {
    padding: 3rem;
}

.calc-summary {
    background-color: var(--color-primary);
    color: white;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.config-label {
    display: block;
    font-weight: 600;
    color: var(--color-primary);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.config-select {
    width: 100%;
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    background-color: var(--color-bg-main);
    color: var(--color-primary);
    outline: none;
    margin-bottom: 2rem;
    cursor: pointer;
}

.config-select:focus {
    border-color: var(--color-accent);
}

.slider-group {
    margin-bottom: 1.5rem;
}

.slider-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.slider-header label {
    font-weight: 600;
    color: var(--color-primary);
    font-size: 0.95rem;
}

.slider-value {
    font-family: var(--font-serif);
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--color-accent);
}

/* Custom HTML5 Range Input Slider styling */
.range-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--color-border);
    outline: none;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-accent);
    cursor: pointer;
    box-shadow: 0 0 10px rgba(217, 85, 38, 0.25);
    transition: transform var(--transition-fast);
}

.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.25);
}

.range-slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--color-accent);
    cursor: pointer;
    border: none;
    box-shadow: 0 0 10px rgba(217, 85, 38, 0.25);
    transition: transform var(--transition-fast);
}

.range-slider::-moz-range-thumb:hover {
    transform: scale(1.25);
}

/* Toggle controls */
.toggle-group label {
    margin-bottom: 0.5rem;
}

.toggle-control {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    margin-bottom: 1rem;
    cursor: pointer;
}

.toggle-control input {
    display: none;
}

.control-indicator {
    position: relative;
    display: inline-block;
    width: 40px;
    height: 22px;
    background-color: var(--color-border);
    border-radius: 50px;
    transition: background-color var(--transition-fast);
    flex-shrink: 0;
}

.control-indicator::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 18px;
    height: 18px;
    background-color: white;
    border-radius: 50%;
    transition: transform var(--transition-fast);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.15);
}

.toggle-control input:checked + .control-indicator {
    background-color: var(--color-accent);
}

.toggle-control input:checked + .control-indicator::after {
    transform: translateX(18px);
}

.toggle-label {
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--color-text-main);
}

/* Planner Summary Panel */
.summary-header h3 {
    color: white;
    font-family: var(--font-serif);
    margin-bottom: 0.25rem;
}

.summary-header p {
    color: rgba(255, 255, 255, 0.55);
    font-size: 0.85rem;
    margin: 0;
}

.summary-details {
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.summary-item {
    display: flex;
    justify-content: space-between;
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 1.5rem;
}

.summary-item-stack {
    display: flex;
    flex-direction: column;
    margin-bottom: 1.5rem;
}

.summary-item-stack > span {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.55);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 0.5rem;
}

.compliance-guideline-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}

.compliance-guideline-list li {
    font-size: 0.85rem;
    color: white;
    padding-left: 1rem;
    position: relative;
}

.compliance-guideline-list li::before {
    content: "▪";
    position: absolute;
    left: 0;
    color: var(--color-accent);
}

.rec-paragraph {
    font-size: 0.88rem;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.9);
    margin: 0;
}

.summary-price {
    font-weight: 700;
    color: white;
}

.summary-divider {
    height: 1px;
    background-color: rgba(255, 255, 255, 0.1);
    margin: 1.5rem 0;
}

.summary-note {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.4);
    text-align: center;
    margin-top: 1.5rem;
    margin-bottom: 0;
}

/* --- About Us Section --- */
.about {
    background-color: var(--color-bg-card);
}

.about-grid {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 5rem;
    align-items: center;
}

.about-intro {
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
}

.about p {
    font-size: 0.98rem;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
}

.about-values {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.value-item {
    display: flex;
    gap: 1rem;
}

.value-number {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-accent);
    background-color: rgba(217, 85, 38, 0.08);
    width: 42px;
    height: 42px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.value-item h5 {
    font-family: var(--font-sans);
    font-size: 0.98rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    color: var(--color-primary);
}

.value-item p {
    font-size: 0.85rem;
    margin: 0;
}

/* Team quote column */
.about-stats-image {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.experience-card {
    background-color: var(--color-primary);
    padding: 2.5rem;
    border-radius: var(--border-radius-sm);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.experience-years {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1.2;
}

.experience-text {
    font-size: 0.9rem;
    font-weight: 600;
    margin-top: 0.5rem;
}

.team-quote {
    background-color: var(--color-bg-main);
    border: 1px solid var(--color-border);
    padding: 2.25rem;
    border-radius: var(--border-radius-sm);
    position: relative;
}

.quote-text {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.05rem;
    color: var(--color-primary);
    margin-bottom: 1.25rem;
    line-height: 1.6;
}

.quote-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.author-avatar {
    width: 40px;
    height: 40px;
    background-color: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.quote-author strong {
    display: block;
    font-size: 0.9rem;
    color: var(--color-primary);
}

.quote-author span {
    display: block;
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* --- FAQ Section --- */
.faq-section {
    background-color: var(--color-bg-main);
    border-top: 1px solid var(--color-border);
}

.faq-list {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.faq-item {
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    background-color: var(--color-bg-card);
    overflow: hidden;
    transition: all var(--transition-fast);
}

.faq-item:hover {
    border-color: rgba(32, 33, 79, 0.2);
}

.faq-question {
    width: 100%;
    padding: 1.25rem 1.5rem;
    background: transparent;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-weight: 600;
    font-size: 1.02rem;
    color: var(--color-primary);
    text-align: left;
}

.faq-icon {
    font-size: 1.25rem;
    color: var(--color-text-muted);
    transition: transform var(--transition-fast);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-normal) ease-out;
    padding: 0 1.5rem;
}

.faq-answer p {
    padding-bottom: 1.25rem;
    color: var(--color-text-muted);
    font-size: 0.92rem;
    margin: 0;
}

/* Active FAQ state */
.faq-item.active {
    border-color: rgba(32, 33, 79, 0.2);
    box-shadow: var(--shadow-sm);
}

.faq-item.active .faq-icon {
    transform: rotate(45deg);
    color: var(--color-accent);
}

.faq-item.active .faq-answer {
    max-height: 250px; /* Large enough for single answers */
}

/* --- Contact Section & Form --- */
.contact-section {
    background-color: var(--color-bg-card);
    border-top: 1px solid var(--color-border);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: flex-start;
}

.contact-info-list {
    margin-top: 2.5rem;
    margin-bottom: 2.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.contact-info-item {
    display: flex;
    gap: 1.25rem;
    align-items: center;
}

.info-icon {
    width: 42px;
    height: 42px;
    border-radius: 4px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.bg-navy-light { background-color: var(--color-primary-light); }
.text-light { color: white !important; }

.contact-info-item h5 {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-muted);
    margin-bottom: 0.15rem;
    font-family: var(--font-sans);
}

.contact-info-item p {
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-primary);
    margin: 0;
}

.info-link {
    color: var(--color-primary);
    font-family: var(--font-serif);
}

.info-link:hover {
    color: var(--color-accent);
}

.contact-badge {
    border: 1px solid rgba(217, 85, 38, 0.2);
    padding: 1.25rem;
    border-radius: var(--border-radius-sm);
    display: flex;
    gap: 1rem;
    align-items: center;
}

.badge-icon {
    font-size: 1.3rem;
}

.contact-badge p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* Contact Form */
.contact-form-container {
    position: relative;
    background-color: var(--color-bg-main);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.contact-form {
    padding: 3rem 2.5rem;
    transition: filter var(--transition-normal);
}

.contact-form h3 {
    margin-bottom: 2rem;
    font-family: var(--font-serif);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    margin-bottom: 1.5rem;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 0.75rem 1rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    outline: none;
    transition: all var(--transition-fast);
    background-color: var(--color-bg-card);
    color: var(--color-primary);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(217, 85, 38, 0.1);
}

/* Custom drag & drop upload zone styling */
.upload-zone {
    border: 2px dashed #CBD5E1; /* Slate 300 */
    border-radius: var(--border-radius-sm);
    padding: 2rem 1.5rem;
    text-align: center;
    background-color: var(--color-bg-card);
    cursor: pointer;
    transition: border-color var(--transition-normal), background-color var(--transition-normal);
}

.upload-zone.dragover {
    border-color: var(--color-accent);
    background-color: rgba(217, 85, 38, 0.03);
}

.upload-icon {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
}

.upload-text {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.upload-browse {
    color: var(--color-accent);
    font-weight: 600;
    text-decoration: underline;
}

.upload-hint {
    font-size: 0.75rem;
    color: var(--color-text-muted);
    margin: 0;
}

.file-input-hidden {
    display: none;
}

.selected-files-container {
    margin-top: 1rem;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    padding: 1rem;
    border-radius: var(--border-radius-sm);
}

.selected-files-container h5 {
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
    color: var(--color-text-muted);
}

.file-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    background: var(--color-bg-main);
    padding: 0.4rem 0.6rem;
    border-radius: 4px;
    color: var(--color-primary);
    font-weight: 500;
}

.file-remove-btn {
    background: transparent;
    border: none;
    color: var(--color-accent-red);
    cursor: pointer;
    font-size: 1.1rem;
    line-height: 1;
    font-weight: 700;
}

.checkbox-group {
    flex-direction: row;
    align-items: flex-start;
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    gap: 0.75rem;
    cursor: pointer;
}

.checkbox-label input {
    margin-top: 0.25rem;
}

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

/* Success Overlay */
.form-success {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--color-bg-card);
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
    z-index: 20;
}

.form-success.active {
    opacity: 1;
    pointer-events: auto;
}

.success-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.form-success h3 {
    font-family: var(--font-serif);
    margin-bottom: 0.75rem;
}

.form-success p {
    color: var(--color-text-muted);
    font-size: 0.95rem;
    max-width: 380px;
    margin-bottom: 2rem;
}

/* --- Footer --- */
.footer {
    background-color: var(--color-primary);
    color: rgba(255, 255, 255, 0.7);
    padding-top: 80px;
    border-top: 5px solid var(--color-accent);
}

.footer h4 {
    color: white;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
    font-family: var(--font-sans);
}

.footer h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 25px;
    height: 2px;
    background-color: var(--color-accent);
}

.footer-container {
    display: grid;
    grid-template-columns: 1.4fr 0.8fr 0.8fr;
    gap: 4rem;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-brand .logo {
    color: white;
    margin-bottom: 1.25rem;
}

.brand-desc {
    font-size: 0.88rem;
    line-height: 1.6;
    margin-bottom: 1.25rem;
    max-width: 400px;
    color: rgba(255, 255, 255, 0.8);
}

.legal-title-tag {
    font-size: 0.8rem;
    line-height: 1.5;
    background-color: rgba(255, 255, 255, 0.03);
    border-left: 2px solid var(--color-accent);
    padding: 0.85rem;
    border-radius: 4px;
    margin-bottom: 1.5rem;
    color: rgba(255, 255, 255, 0.7);
}

.legal-note-text {
    display: block;
    font-size: 0.72rem;
    color: rgba(255, 255, 255, 0.45);
    margin-top: 0.35rem;
    font-style: italic;
}

.social-links {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.social-link {
    width: 36px;
    height: 36px;
    border-radius: 4px;
    background-color: rgba(255, 255, 255, 0.05);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 700;
    transition: all var(--transition-fast);
}

.social-link:hover {
    background-color: var(--color-accent);
    transform: translateY(-2px);
}

.social-handle {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
    font-weight: 500;
}

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

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.footer-links a:hover {
    color: white;
    padding-left: 4px;
}

.footer-bottom {
    padding: 30px 0;
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-bottom-container {
    display: flex;
    justify-content: space-between;
}

/* --- Legal Modal --- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(32, 33, 79, 0.5);
    backdrop-filter: blur(8px);
}

.modal-content {
    position: relative;
    background-color: white;
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    padding: 3.5rem;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
    z-index: 10;
    overflow-y: auto;
    transform: scale(0.9);
    transition: transform var(--transition-normal);
}

.modal.active .modal-content {
    transform: scale(1);
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: transparent;
    border: none;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.modal-close:hover {
    color: var(--color-primary);
}

.modal-body h3 {
    font-family: var(--font-serif);
    font-size: 1.75rem;
    margin-bottom: 1.5rem;
    border-bottom: 2px solid var(--color-border);
    padding-bottom: 0.5rem;
}

.modal-body h4 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    font-family: var(--font-sans);
}

.modal-body p, .modal-body li {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.modal-body ul {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

/* --- Animations & Effects --- */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fadeIn 0.8s ease-out forwards;
}

.animate-slide-up {
    animation: slideUp 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Add slight delay in animations */
.hero-content h1 { animation-delay: 0.1s; }
.hero-lead { animation-delay: 0.2s; }
.hero-actions { animation-delay: 0.3s; }
.hero-trust { animation-delay: 0.4s; }
.hero-image-container { animation-delay: 0.2s; }

/* --- Responsive Adjustments --- */
@media (max-width: 1024px) {
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3.5rem;
        text-align: center;
    }
    
    .hero-content {
        max-width: 100%;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-trust {
        justify-content: center;
    }
    
    .card-top-right {
        right: -3%;
    }
    
    .card-bottom-left {
        left: -3%;
    }
    
    .quality-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .calc-grid {
        grid-template-columns: 1fr;
    }
    
    .calc-summary {
        padding: 2.5rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .mobile-nav-toggle {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 85px;
        left: 0;
        width: 100%;
        height: 0;
        overflow: hidden;
        background-color: var(--color-bg-card);
        border-bottom: 0 solid var(--color-border);
        transition: all var(--transition-normal);
        box-shadow: var(--shadow-md);
    }
    
    .nav-menu.active {
        height: 320px;
        border-bottom-width: 1px;
    }
    
    .nav-menu ul {
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        align-items: stretch;
    }
    
    .nav-link {
        display: block;
        padding: 0.5rem 0;
    }
    
    .nav-btn {
        text-align: center;
    }
    
    /* Toggle icon state active */
    .mobile-nav-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-nav-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .calc-sliders {
        padding: 2rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-bottom-container {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .modal-content {
        padding: 2rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 15px;
    }
    
    .hero-actions {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .hero-trust {
        flex-direction: column;
        gap: 1rem;
    }
    
    .trust-divider {
        width: 60px;
        height: 1px;
    }
    
    .glass-card {
        display: none; /* Save space on small screens */
    }
}