/* ==========================================================================
   CSS DIRECTIVES AND CUSTOM SYSTEM DESIGN VARIABLES
   ========================================================================== */
:root {
    /* Colors - Brand & Accents */
    --primary: hsl(20, 100%, 50%);         /* Roof Orange/Tile Red */
    --primary-hover: hsl(20, 100%, 43%);
    --primary-light: hsla(20, 100%, 50%, 0.1);
    --primary-glow: hsla(20, 100%, 50%, 0.4);
    
    /* Neutrals - Dark Mode Theme */
    --bg-darker: #0c0d0f;                  /* Deep dark */
    --bg-dark: #121418;                    /* Main background */
    --bg-card: #1c1f26;                    /* Card backgrounds */
    --bg-input: #232730;                   /* Input backgrounds */
    
    /* Neutrals - Text */
    --text-white: #ffffff;
    --text-lead: #e2e8f0;
    --text-body: #a0aec0;
    --text-muted: #718096;
    
    /* Accents & Status */
    --success: #10b981;
    --success-light: rgba(16, 185, 129, 0.1);
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.16);
    
    /* Layout & Transitions */
    --container-width: 1200px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.5);
    --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.6);
    --shadow-glow: 0 0 20px var(--primary-glow);
}

/* ==========================================================================
   BASE RESET & TYPOGRAPHY
   ========================================================================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-body);
    font-family: 'Inter', sans-serif;
    font-weight: 400;
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-white);
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
    line-height: 1.25;
}

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

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

input, select, textarea, button {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
}

button {
    cursor: pointer;
}

/* ==========================================================================
   COMMON UTILITIES & LAYOUT
   ========================================================================== */
.container {
    width: 100%;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.text-center { text-align: center; }
.accent-text { color: var(--primary); }
.hide { display: none !important; }

/* Subtitle and Title Styling */
.sub-title {
    color: var(--primary);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    display: block;
    margin-bottom: 12px;
}

.section-header {
    margin-bottom: 60px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 16px;
}

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

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

/* ==========================================================================
   BUTTONS STYLING
   ========================================================================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 1.05rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--text-white);
    box-shadow: var(--shadow-sm);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--primary-hover);
    z-index: -1;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary:hover {
    box-shadow: var(--shadow-glow);
    transform: translateY(-2px);
}

.btn-primary:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-white);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

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

/* Pulse animation for CTA */
@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(255, 107, 0, 0.4); }
    70% { box-shadow: 0 0 0 10px rgba(255, 107, 0, 0); }
    100% { box-shadow: 0 0 0 0 rgba(255, 107, 0, 0); }
}

.animate-pulse {
    animation: pulse 2s infinite;
}

/* ==========================================================================
   TOP BAR
   ========================================================================== */
.top-bar {
    background-color: var(--bg-darker);
    border-bottom: 1px solid var(--border-color);
    padding: 6px 0;
    font-size: 0.78rem;
}

.top-bar-content {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: nowrap;
    gap: 16px;
}

.info-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--text-lead);
    white-space: nowrap;
}

.info-item a:hover {
    color: var(--primary);
}

.divider {
    color: rgba(255, 255, 255, 0.12);
    font-size: 0.8rem;
    user-select: none;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */
.main-header {
    background-color: rgba(18, 20, 24, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 18px 0;
    transition: var(--transition-smooth);
}

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

.logo {
    font-family: 'Outfit', sans-serif;
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-white);
}

.nav-menu ul {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-menu a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-lead);
    padding: 6px 0;
    position: relative;
}

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

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

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: 100%;
}

.nav-btn {
    background-color: var(--primary);
    color: var(--text-white) !important;
    padding: 10px 20px !important;
    border-radius: var(--border-radius-sm);
    font-weight: 600 !important;
}

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

.nav-btn:hover {
    background-color: var(--primary-hover);
    box-shadow: var(--shadow-glow);
    transform: translateY(-1px);
}

/* Mobile Toggle */
.mobile-nav-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    padding: 5px;
}

.mobile-nav-toggle .bar {
    width: 25px;
    height: 2px;
    background-color: var(--text-white);
    transition: var(--transition-smooth);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
    position: relative;
    min-height: 80vh;
    padding: 120px 0 100px;
    background-image: url('assets/roof_hero.png');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    z-index: 1;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(12, 13, 15, 0.95) 0%, rgba(18, 20, 24, 0.8) 50%, rgba(18, 20, 24, 0.6) 100%);
    z-index: -1;
}

.hero-container {
    position: relative;
    z-index: 2;
}

.hero-content {
    max-width: 720px;
}

.hero-content .badge {
    background-color: var(--primary-light);
    color: var(--primary);
    border: 1px solid rgba(255, 107, 0, 0.3);
    padding: 8px 16px;
    border-radius: 30px;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 24px;
    backdrop-filter: blur(10px);
}

.hero-content h1 {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.hero-lead {
    font-size: 1.2rem;
    color: var(--text-lead);
    margin-bottom: 40px;
    font-weight: 400;
}

.hero-actions {
    display: flex;
    gap: 20px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    gap: 48px;
    border-top: 1px solid var(--border-color);
    padding-top: 32px;
}

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

.stat-number {
    font-family: 'Outfit', sans-serif;
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 6px;
}

.stat-text {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* ==========================================================================
   TRUST STRIP
   ========================================================================== */
.trust-strip {
    background-color: var(--bg-darker);
    border-bottom: 1px solid var(--border-color);
    padding: 32px 0;
    margin-top: -30px;
    position: relative;
    z-index: 10;
}

.trust-strip-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.trust-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.trust-icon {
    background-color: rgba(255, 107, 0, 0.08);
    color: var(--primary);
    padding: 12px;
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255, 107, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.trust-item h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 4px;
}

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

/* ==========================================================================
   SERVICES SECTION
   ========================================================================== */
.services-section {
    padding: 100px 0;
    background-color: var(--bg-dark);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 32px;
}

.service-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 40px;
    transition: var(--transition-smooth);
    position: relative;
}

.service-card:hover {
    border-color: var(--primary);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    transform: translateY(-8px);
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 4px;
    background-color: var(--primary);
    border-bottom-left-radius: var(--border-radius-md);
    border-bottom-right-radius: var(--border-radius-md);
    transition: var(--transition-smooth);
}

.service-card:hover::after {
    width: 100%;
}

.service-header-icon {
    color: var(--primary);
    background-color: var(--primary-light);
    border: 1px solid rgba(255, 107, 0, 0.2);
    width: 64px;
    height: 64px;
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 28px;
    transition: var(--transition-smooth);
}

.service-card:hover .service-header-icon {
    transform: scale(1.1) rotate(5deg);
    background-color: var(--primary);
    color: var(--text-white);
}

.service-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.service-card p {
    color: var(--text-body);
    font-size: 0.95rem;
    margin-bottom: 24px;
}

.service-list {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.service-list li {
    font-size: 0.9rem;
    color: var(--text-lead);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-list li::before {
    content: '▪';
    color: var(--primary);
    font-weight: bold;
}

/* ==========================================================================
   ABOUT SECTION
   ========================================================================== */
.about-section {
    padding: 100px 0;
    background-color: var(--bg-darker);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 60px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: visible;
}

.about-img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--primary);
    color: var(--text-white);
    padding: 24px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-glow);
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1;
    z-index: 5;
    border: 2px solid var(--bg-darker);
}

.badge-num {
    font-family: 'Outfit', sans-serif;
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 4px;
}

.badge-lbl {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.about-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 24px;
}

.lead-text {
    font-size: 1.15rem;
    color: var(--text-lead);
    margin-bottom: 20px;
}

.about-content p {
    margin-bottom: 30px;
    color: var(--text-body);
}

.about-features {
    display: grid;
    grid-template-columns: 1fr;
    gap: 24px;
    margin-bottom: 40px;
}

.feature-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.feature-icon {
    background-color: var(--primary-light);
    color: var(--primary);
    font-weight: bold;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    border: 1px solid rgba(255, 107, 0, 0.2);
}

.feature-item h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.feature-item p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

.about-contact-teaser {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: var(--border-radius-md);
}

.teaser-text {
    font-size: 0.95rem;
    color: var(--text-lead);
    margin-bottom: 12px !important;
}

.teaser-phone {
    font-family: 'Outfit', sans-serif;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    display: inline-block;
}

.teaser-phone:hover {
    color: var(--text-white);
    transform: translateX(4px);
}

/* Continuous Bounce animation */
@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.animate-bounce {
    animation: bounce 4s infinite ease-in-out;
}

/* ==========================================================================
   BEFORE/AFTER SLIDER SECTION
   ========================================================================== */
.before-after-section {
    padding: 100px 0;
    background-color: var(--bg-dark);
}

.slider-wrapper {
    max-width: 900px;
    margin: 0 auto;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.slider-container {
    position: relative;
    width: 100%;
    height: 550px;
    user-select: none;
    overflow: hidden;
}

.slide-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
}

.before-image {
    z-index: 1;
}

.after-image {
    z-index: 2;
    width: 50%; /* Initial split position */
    border-right: 0.5px solid transparent;
}

.slide-label {
    position: absolute;
    top: 24px;
    background-color: rgba(12, 13, 15, 0.8);
    backdrop-filter: blur(8px);
    color: var(--text-white);
    font-family: 'Outfit', sans-serif;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 8px 16px;
    border-radius: 4px;
    letter-spacing: 1px;
    z-index: 10;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.before-label {
    left: 24px;
    border-left: 3px solid #e53e3e;
}

.after-label {
    right: 24px;
    border-left: 3px solid var(--primary);
}

/* Resizer handle bar */
.slider-handle {
    position: absolute;
    top: 0;
    bottom: 0;
    left: 50%; /* Initial handle position */
    width: 4px;
    background-color: var(--primary);
    z-index: 20;
    cursor: ew-resize;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.handle-line {
    width: 2px;
    height: 40%;
    background-color: rgba(255, 255, 255, 0.3);
}

.handle-button {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--primary);
    color: var(--text-white);
    border: 4px solid var(--bg-darker);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-md);
    cursor: ew-resize;
    transition: var(--transition-fast);
}

.slider-handle:hover .handle-button {
    transform: scale(1.1);
    box-shadow: var(--shadow-glow);
}

/* ==========================================================================
   QUOTE CALCULATOR
   ========================================================================== */
.calculator-section {
    padding: 100px 0;
    background-color: var(--bg-darker);
    border-top: 1px solid var(--border-color);
}

.calculator-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.calculator-info h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 24px;
}

.calculator-info p {
    color: var(--text-body);
    font-size: 1.05rem;
    margin-bottom: 24px;
}

.calculator-alert {
    background-color: rgba(255, 107, 0, 0.04);
    border-left: 4px solid var(--primary);
    padding: 18px;
    border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
    display: flex;
    gap: 12px;
    margin-bottom: 32px;
    border: 1px solid rgba(255, 107, 0, 0.1);
    border-left-width: 4px;
}

.calculator-alert p {
    font-size: 0.9rem;
    margin-bottom: 0;
    color: var(--text-lead);
}

.calculator-benefits {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.benefit {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-lead);
}

.benefit-check {
    color: var(--primary);
    font-weight: bold;
    font-size: 1.1rem;
}

/* Calculator Card Form */
.calculator-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 40px;
    box-shadow: var(--shadow-md);
}

.calculator-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    color: var(--text-white);
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 10px;
}

.form-select, .form-control {
    width: 100%;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-white);
    padding: 14px 20px;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
}

.form-select {
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%23a0aec0' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 20px center;
    background-size: 16px;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    padding-right: 50px;
}

.form-select:focus, .form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

.service-desc {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 8px;
}

/* Range slider styling */
.range-slider-wrapper {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-range {
    width: 100%;
    height: 6px;
    background: var(--bg-input);
    border-radius: 3px;
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.form-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--primary);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

.form-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: var(--shadow-glow);
}

.range-value-inputs {
    display: flex;
    align-items: center;
    gap: 10px;
}

.form-input-number {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-white);
    width: 90px;
    padding: 10px;
    border-radius: var(--border-radius-sm);
    text-align: center;
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

.form-input-number:focus {
    outline: none;
    border-color: var(--primary);
}

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

/* Checkboxes */
.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    cursor: pointer;
    font-size: 0.9rem;
}

.checkbox-label input[type="checkbox"] {
    margin-top: 4px;
    accent-color: var(--primary);
    width: 16px;
    height: 16px;
}

.checkbox-label span {
    color: var(--text-lead);
}

/* Calculator Result Container */
.calculator-result {
    background-color: var(--bg-darker);
    border: 1px solid rgba(255, 107, 0, 0.2);
    padding: 24px;
    border-radius: var(--border-radius-md);
    margin: 30px 0;
    text-align: center;
}

.result-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
}

.result-price {
    font-family: 'Outfit', sans-serif;
    font-size: 2.8rem;
    font-weight: 800;
    color: var(--primary);
    line-height: 1.1;
    margin: 6px 0;
    text-shadow: 0 0 10px rgba(255, 107, 0, 0.15);
}

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

.calc-submit-btn {
    padding: 14px 24px;
    font-size: 0.95rem;
}

/* ==========================================================================
   FAQ SECTION (ACCORDION)
   ========================================================================== */
.faq-section {
    padding: 100px 0;
    background-color: var(--bg-dark);
}

.faq-accordion-wrapper {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 18px;
}

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

.faq-item:hover, .faq-item.active {
    border-color: var(--primary-glow);
}

.faq-trigger {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 30px;
    text-align: left;
    background: none;
    transition: var(--transition-fast);
}

.faq-trigger span:first-child {
    font-family: 'Outfit', sans-serif;
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-white);
    padding-right: 20px;
}

.faq-icon-arrow {
    color: var(--primary);
    font-size: 1.5rem;
    font-weight: 700;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    line-height: 1;
}

.faq-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background-color: rgba(12, 13, 15, 0.2);
}

.faq-content p {
    padding: 0 30px 30px 30px;
    font-size: 0.95rem;
    color: var(--text-body);
}

/* Active FAQ states */
.faq-item.active .faq-icon-arrow {
    transform: rotate(45deg);
}

/* ==========================================================================
   CONTACTS SECTION & FORM
   ========================================================================== */
.contacts-section {
    padding: 100px 0;
    background-color: var(--bg-darker);
    border-top: 1px solid var(--border-color);
}

.contact-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: start;
}

.contact-info-panel h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 24px;
}

.contact-info-panel p {
    font-size: 1.05rem;
    margin-bottom: 40px;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.method-card {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.method-icon {
    background-color: var(--primary-light);
    color: var(--primary);
    padding: 14px;
    border-radius: var(--border-radius-sm);
    border: 1px solid rgba(255, 107, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--transition-smooth);
}

.method-card:hover .method-icon {
    background-color: var(--primary);
    color: var(--text-white);
    transform: scale(1.05);
    box-shadow: var(--shadow-glow);
}

.method-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
}

.method-link {
    font-family: 'Outfit', sans-serif;
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--text-white);
}

.method-link:hover {
    color: var(--primary);
}

.method-text {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-white);
}

.method-sub {
    font-size: 0.8rem;
    color: var(--text-muted);
    display: block;
    margin-top: 2px;
}

/* Contact form side */
.contact-form-panel {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 50px;
    box-shadow: var(--shadow-md);
}

.contact-form-panel h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.form-intro {
    font-size: 0.95rem;
    color: var(--text-lead);
    margin-bottom: 36px;
}

.form-row {
    display: flex;
    gap: 20px;
}

.col-6 {
    width: 50%;
}

.required {
    color: var(--primary);
}

.error-msg {
    color: #e53e3e;
    font-size: 0.75rem;
    margin-top: 6px;
    display: none;
}

.form-group.has-error .form-control {
    border-color: #e53e3e;
    box-shadow: 0 0 0 3px rgba(229, 62, 62, 0.15);
}

.form-group.has-error .error-msg {
    display: block;
}

textarea.form-control {
    resize: vertical;
}

/* Button Spinner */
.btn-spinner {
    animation: spin 1s linear infinite;
    flex-shrink: 0;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* ==========================================================================
   SUCCESS MODAL POPUP
   ========================================================================== */
.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(12, 13, 15, 0.85);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 24px;
}

.success-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 50px 40px;
    max-width: 550px;
    width: 100%;
    text-align: center;
    box-shadow: 0 20px 80px rgba(0, 0, 0, 0.8);
    border-top: 5px solid var(--success);
    transform: translateY(0);
    transition: var(--transition-smooth);
}

.success-icon-wrapper {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background-color: var(--success-light);
    color: var(--success);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px auto;
}

.success-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 16px;
}

.success-card p {
    font-size: 0.95rem;
    color: var(--text-lead);
    margin-bottom: 32px;
    line-height: 1.6;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.main-footer {
    background-color: #08090a;
    border-top: 1px solid var(--border-color);
    padding: 80px 0 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.8fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 20px;
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.footer-warranty-stamp {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background-color: rgba(255, 107, 0, 0.05);
    border: 1px solid rgba(255, 107, 0, 0.15);
    padding: 10px 18px;
    border-radius: 30px;
    font-size: 0.85rem;
    color: var(--text-lead);
    font-weight: 600;
}

.stamp-icon {
    font-size: 1.1rem;
}

.footer-links h4, .footer-contacts h4 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 24px;
    position: relative;
    padding-bottom: 8px;
}

.footer-links h4::after, .footer-contacts h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background-color: var(--primary);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-links a {
    font-size: 0.9rem;
    color: var(--text-muted);
}

.footer-links a:hover {
    color: var(--text-white);
    transform: translateX(4px);
}

.footer-contacts p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 12px;
}

.footer-contacts a:hover {
    color: var(--primary);
}

.footer-alert-hours {
    background-color: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: var(--border-radius-sm);
    margin-top: 20px;
    font-size: 0.8rem !important;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding: 24px 0;
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    font-size: 0.8rem;
    color: var(--text-muted);
}

.dev-info {
    font-weight: 500;
}

/* ==========================================================================
   VIDEO SHOWCASE SECTION
   ========================================================================== */
.video-showcase-section {
    padding: 100px 0;
    background-color: var(--bg-darker);
    position: relative;
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.video-showcase-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: center;
}

.video-showcase-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.video-showcase-content h2 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
}

.video-showcase-content p {
    font-size: 1.1rem;
    color: var(--text-lead);
    margin-bottom: 30px;
    line-height: 1.6;
}

.video-features-list {
    margin-bottom: 30px;
}

.video-feature-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}

.video-feature-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--primary-light);
    color: var(--primary);
    flex-shrink: 0;
    font-size: 1rem;
    font-weight: 700;
    border: 1px solid var(--primary-glow);
}

.video-feature-text h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--text-white);
}

.video-feature-text p {
    font-size: 0.95rem;
    color: var(--text-body);
    margin: 0;
    line-height: 1.5;
}

/* Beautiful smartphone/modern portrait video frame */
.video-frame-container {
    position: relative;
    max-width: 320px;
    width: 100%;
    margin: 0 auto;
    border-radius: 36px;
    padding: 12px;
    background: #1c1f26;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7), var(--shadow-glow);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: var(--transition-smooth);
}

.video-frame-container:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px -10px rgba(0, 0, 0, 0.8), 0 0 30px hsla(20, 100%, 50%, 0.6);
}

.video-wrapper {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    aspect-ratio: 320 / 568;
    background: #000;
}

.video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}


/* Responsive adjustment for video showcase */
@media (max-width: 1024px) {
    .video-showcase-grid {
        grid-template-columns: 1fr;
        gap: 50px;
        text-align: center;
    }
    
    .video-showcase-content {
        align-items: center;
    }
    
    .video-feature-item {
        text-align: left;
        max-width: 500px;
    }
}

@media (max-width: 768px) {
    .video-showcase-section {
        padding: 60px 0;
    }
    
    .video-showcase-content h2 {
        font-size: 2rem;
    }
    
    .video-frame-container {
        max-width: 280px;
        padding: 10px;
        border-radius: 30px;
    }

    .video-wrapper {
        border-radius: 20px;
    }

}

/* ==========================================================================
   GALLERY SECTION
   ========================================================================== */
.gallery-section {
    padding: 100px 0;
    background-color: var(--bg-dark);
    border-bottom: 1px solid var(--border-color);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.gallery-item {
    position: relative;
    border-radius: var(--border-radius-md);
    overflow: hidden;
    aspect-ratio: 1 / 1;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.gallery-item:hover {
    transform: translateY(-5px);
    border-color: var(--primary-glow);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4), var(--shadow-glow);
}

.gallery-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-img {
    transform: scale(1.05);
}

.gallery-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px 24px;
    background: linear-gradient(to top, rgba(12, 13, 15, 0.95) 0%, rgba(12, 13, 15, 0.4) 70%, rgba(12, 13, 15, 0) 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    opacity: 0;
    transform: translateY(10px);
    transition: var(--transition-smooth);
}

.gallery-item:hover .gallery-overlay {
    opacity: 1;
    transform: translateY(0);
}

.gallery-overlay h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 6px;
}

.gallery-overlay p {
    font-size: 0.95rem;
    color: var(--primary);
    margin: 0;
    font-weight: 500;
}

@media (max-width: 768px) {
    .gallery-section {
        padding: 60px 0;
    }
    
    .gallery-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .gallery-overlay {
        opacity: 1;
        transform: translateY(0);
        padding: 16px 12px;
        background: linear-gradient(to top, rgba(12, 13, 15, 0.95) 0%, rgba(12, 13, 15, 0.7) 100%);
    }

    .gallery-overlay h3 {
        font-size: 1rem;
    }

    .gallery-overlay p {
        font-size: 0.8rem;
    }
}

/* ==========================================================================
   TESTIMONIALS SECTION
   ========================================================================== */
.testimonials-section {
    padding: 100px 0;
    background-color: var(--bg-darker);
    border-bottom: 1px solid var(--border-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.testimonial-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 35px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.testimonial-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-glow);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.4), var(--shadow-glow);
}

.testimonial-stars {
    color: #ffb100;
    font-size: 1.25rem;
    margin-bottom: 20px;
    letter-spacing: 2px;
}

.testimonial-text {
    font-style: italic;
    color: var(--text-lead);
    line-height: 1.7;
    margin-bottom: 25px;
    font-size: 1.02rem;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 20px;
}

.author-info h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-white);
    margin-bottom: 2px;
}

.author-info span {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 500;
}

@media (max-width: 992px) {
    .testimonials-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    .testimonial-card {
        padding: 25px;
    }
}

@media (max-width: 768px) {
    .testimonials-section {
        padding: 60px 0;
    }
}

/* ==========================================================================
   SCROLL REVEAL ANIMATIONS
   ========================================================================== */
.reveal {
    position: relative;
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES (ADAPTABILITY)
   ========================================================================== */
@media (max-width: 1024px) {
    /* Hero scaling */
    .hero-content h1 {
        font-size: 3rem;
    }
    
    /* Layouts scaling */
    .about-grid, .calculator-grid, .contact-container, .footer-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
    
    /* Swap image order on tablet to keep content logical */
    .about-grid {
        display: flex;
        flex-direction: column-reverse;
    }
    
    .about-image-wrapper {
        max-width: 600px;
        margin: 0 auto;
        width: 100%;
    }
}

@media (max-width: 768px) {
    /* Top Navigation bar */
    .top-bar-content {
        justify-content: center;
        flex-direction: row;
        gap: 8px;
        font-size: 0.68rem;
    }
    
    /* Mobile Header Layout */
    .main-header {
        padding: 14px 0;
    }
    
    .mobile-nav-toggle {
        display: flex;
    }
    
    /* Navigation drawer overlay */
    .nav-menu {
        position: fixed;
        top: 80px; /* Topbar + Header height approximation */
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--bg-darker);
        border-top: 1px solid var(--border-color);
        padding: 40px 24px;
        transition: var(--transition-smooth);
        z-index: 99;
        overflow-y: auto;
    }
    
    .nav-menu.open {
        left: 0;
    }
    
    .nav-menu ul {
        flex-direction: column;
        align-items: stretch;
        gap: 24px;
    }
    
    .nav-menu a {
        font-size: 1.15rem;
        display: block;
        padding: 10px 0;
    }
    
    .nav-btn {
        text-align: center;
    }
    
    /* Toggle active cross bars */
    .mobile-nav-toggle.open .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .mobile-nav-toggle.open .bar:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-nav-toggle.open .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    /* Hero element resizing */
    .hero-section {
        padding: 80px 0 60px;
        min-height: auto;
    }
    
    .hero-content h1 {
        font-size: 2.2rem;
    }
    
    .hero-lead {
        font-size: 1.05rem;
        margin-bottom: 30px;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 24px;
    }
    
    /* Trust Strip layout */
    .trust-strip-grid {
        grid-template-columns: 1fr;
        gap: 24px;
    }
    
    /* Slider & Cards resizing */
    .slider-container {
        height: 380px;
    }
    
    .slide-label {
        top: 16px;
        font-size: 0.7rem;
        padding: 6px 12px;
    }
    
    .before-label { left: 16px; }
    .after-label { right: 16px; }
    
    /* Calculator card forms */
    .calculator-card {
        padding: 24px;
    }
    
    .range-value-inputs {
        flex-direction: column;
        align-items: stretch;
    }
    
    .form-input-number {
        width: 100%;
    }
    
    /* Form inputs and columns */
    .form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .col-6 {
        width: 100%;
    }
    
    .contact-form-panel {
        padding: 30px 20px;
    }
    
    /* Footers */
    .footer-grid {
        gap: 40px;
    }
}