@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700&display=swap');

/* --- Root & Design System --- */
:root {
    /* Color Palette - Dark Theme Default */
    --bg-primary: #0b0f19;
    --bg-secondary: #131b2e;
    --bg-tertiary: #1e2942;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-orange: #f97316;
    --accent-orange-hover: #ea580c;
    --accent-orange-glow: rgba(249, 115, 22, 0.35);
    --accent-green: #10b981;
    --accent-green-hover: #059669;
    --accent-green-glow: rgba(16, 185, 129, 0.35);
    --border-color: rgba(255, 255, 255, 0.08);
    --card-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.5);
    --glass-bg: rgba(19, 27, 46, 0.7);
    --glass-blur: 16px;
    --input-bg: rgba(15, 23, 42, 0.6);
    --input-focus: rgba(249, 115, 22, 0.15);

    /* Fonts */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Plus Jakarta Sans', sans-serif;

    /* 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);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;
    --radius-full: 9999px;
}

/* Light Theme Variables */
[data-theme="light"] {
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #94a3b8;
    --accent-orange: #ea580c;
    --accent-orange-hover: #c2410c;
    --accent-orange-glow: rgba(234, 88, 12, 0.2);
    --accent-green: #059669;
    --accent-green-hover: #047857;
    --accent-green-glow: rgba(5, 150, 105, 0.2);
    --border-color: rgba(15, 23, 42, 0.08);
    --card-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.08);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --glass-blur: 16px;
    --input-bg: #f8fafc;
    --input-focus: rgba(234, 88, 12, 0.1);
}

/* --- Resets & Global Styles --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

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

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

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: var(--bg-primary);
}
::-webkit-scrollbar-thumb {
    background: var(--bg-tertiary);
    border-radius: var(--radius-full);
    border: 2px solid var(--bg-primary);
}
::-webkit-scrollbar-thumb:hover {
    background: var(--text-muted);
}

/* --- Layout Utility Classes --- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section-padding {
    padding: 7.5rem 0;
}

.text-gradient-orange {
    background: linear-gradient(135deg, var(--accent-orange), #fca5a5);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-gradient-green {
    background: linear-gradient(135deg, var(--accent-green), #a7f3d0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-header {
    text-align: center;
    max-width: 44rem;
    margin: 0 auto 4.5rem auto;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    position: relative;
    display: inline-block;
}

.section-header p {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* --- Header & Navbar --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background-color var(--transition-normal), backdrop-filter var(--transition-normal), border var(--transition-normal), padding var(--transition-normal);
    padding: 1.5rem 0;
    border-bottom: 1px solid transparent;
}

header.scrolled {
    background-color: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 800;
    font-size: 1.5rem;
    font-family: var(--font-heading);
    letter-spacing: -0.03em;
}

.logo-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-green));
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 1.125rem;
    font-weight: 900;
    box-shadow: 0 4px 15px rgba(249, 115, 22, 0.25);
    animation: morph 8s ease-in-out infinite;
}

@keyframes morph {
    0% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
    50% { border-radius: 70% 30% 30% 70% / 70% 70% 30% 30%; }
    100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; }
}

nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    position: relative;
    padding: 0.25rem 0;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--accent-orange), var(--accent-green));
    transition: width var(--transition-normal);
    border-radius: var(--radius-full);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

/* Theme Toggle Button */
.theme-toggle {
    width: 2.5rem;
    height: 2.5rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.theme-toggle:hover {
    background-color: var(--bg-primary);
    border-color: var(--accent-orange);
    transform: translateY(-2px);
}

.theme-toggle svg {
    width: 1.25rem;
    height: 1.25rem;
    fill: currentColor;
}

.theme-toggle .sun-icon {
    display: none;
}

[data-theme="light"] .theme-toggle .moon-icon {
    display: none;
}

[data-theme="light"] .theme-toggle .sun-icon {
    display: block;
}

/* CTA Button */
.btn-cta {
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-orange-hover));
    color: #fff;
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 4px 15px var(--accent-orange-glow);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-orange-glow);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.btn-secondary:hover {
    background-color: var(--bg-secondary);
    border-color: var(--accent-green);
    transform: translateY(-2px);
}

/* Mobile Menu Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    width: 2rem;
}

.mobile-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--text-primary);
    transition: transform var(--transition-normal), opacity var(--transition-normal);
    border-radius: var(--radius-full);
}

/* Mobile Nav Styles */
@media (max-width: 991px) {
    .mobile-toggle {
        display: flex;
        z-index: 1001;
    }
    
    .mobile-toggle.active span:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    .mobile-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .mobile-toggle.active span:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }

    nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 75%;
        max-width: 320px;
        height: 100vh;
        background-color: var(--bg-secondary);
        border-left: 1px solid var(--border-color);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 6rem 2.5rem 3rem 2.5rem;
        gap: 3rem;
        transition: right var(--transition-normal);
        z-index: 999;
    }

    nav.active {
        right: 0;
    }

    .nav-links {
        flex-direction: column;
        width: 100%;
        gap: 2rem;
    }

    .nav-links a {
        font-size: 1.15rem;
        display: block;
    }

    .header-actions {
        flex-direction: column;
        width: 100%;
        align-items: stretch;
    }

    .theme-toggle {
        align-self: flex-start;
    }
}

/* --- Hero Section --- */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 7rem;
    padding-bottom: 4rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.25;
    transition: opacity var(--transition-normal);
}

[data-theme="light"] .hero-bg img {
    opacity: 0.15;
}

.hero-bg::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 60% 30%, transparent, var(--bg-primary) 70%),
                linear-gradient(to bottom, transparent, var(--bg-primary));
}

.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: 38rem;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-orange);
    margin-bottom: 1.5rem;
}

.hero-badge span {
    width: 8px;
    height: 8px;
    background-color: var(--accent-green);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-green);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
    70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero-content h1 {
    font-size: 3.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 34rem;
}

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

.hero-features {
    display: flex;
    margin-top: 3.5rem;
    gap: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
}

.hero-feat-item {
    flex: 1;
}

.hero-feat-number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 0.25rem;
    background: linear-gradient(135deg, var(--text-primary), var(--text-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-feat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-visual-card {
    background-color: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    width: 100%;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
}

.hero-visual-card::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -20%;
    width: 60%;
    height: 60%;
    background: radial-gradient(circle, var(--accent-orange-glow) 0%, transparent 70%);
    z-index: 0;
}

.hero-visual-content {
    position: relative;
    z-index: 1;
}

.visual-title {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.visual-services {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.v-service-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    transition: transform var(--transition-fast), border-color var(--transition-fast);
}

.v-service-item:hover {
    transform: translateX(5px);
    border-color: var(--accent-green);
}

.v-service-icon {
    width: 2.5rem;
    height: 2.5rem;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
}

.v-service-text h4 {
    font-size: 1rem;
    margin-bottom: 0.15rem;
}

.v-service-text p {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

@media (max-width: 991px) {
    .hero {
        padding-top: 8rem;
    }
    .hero .container {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    .hero-content {
        max-width: 100%;
        text-align: center;
    }
    .hero-badge {
        justify-content: center;
    }
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-btns {
        justify-content: center;
    }
    .hero-features {
        justify-content: center;
    }
    .hero-visual {
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }
}

@media (max-width: 575px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }
    .hero-features {
        flex-direction: column;
        gap: 1.5rem;
    }
}

/* --- Services Section --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

@media (max-width: 400px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

.service-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--card-shadow);
    transition: transform var(--transition-normal), border-color var(--transition-normal), box-shadow var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: transparent;
    transition: background var(--transition-normal);
}

.service-card.concrete-card:hover::after {
    background: var(--accent-orange);
}

.service-card.landscape-card:hover::after {
    background: var(--accent-green);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(255, 255, 255, 0.15);
    box-shadow: 0 15px 35px -5px rgba(0, 0, 0, 0.4);
}

[data-theme="light"] .service-card:hover {
    box-shadow: 0 15px 35px -5px rgba(15, 23, 42, 0.05);
}

.service-icon-box {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 2rem;
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.concrete-card .service-icon-box {
    color: var(--accent-orange);
    background: rgba(249, 115, 22, 0.05);
}

.landscape-card .service-icon-box {
    color: var(--accent-green);
    background: rgba(16, 185, 129, 0.05);
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

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

.service-list {
    list-style: none;
    margin-bottom: 2rem;
    margin-top: auto;
}

.service-list li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.service-list svg {
    width: 1.15rem;
    height: 1.15rem;
}

.concrete-card .service-list svg {
    color: var(--accent-orange);
}

.landscape-card .service-list svg {
    color: var(--accent-green);
}

.service-link {
    font-weight: 700;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-top: auto;
}

.concrete-card .service-link {
    color: var(--accent-orange);
}

.landscape-card .service-link {
    color: var(--accent-green);
}

.service-link svg {
    width: 1rem;
    height: 1rem;
    transition: transform var(--transition-fast);
}

.service-link:hover svg {
    transform: translateX(4px);
}

/* --- Estimator / Cost Calculator Section --- */
.estimator-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3.5rem;
    align-items: start;
}

.estimator-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--card-shadow);
}

.estimator-tabs {
    display: flex;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    padding: 0.25rem;
    border-radius: var(--radius-sm);
    margin-bottom: 2.5rem;
}

.estimator-tab {
    flex: 1;
    text-align: center;
    padding: 0.75rem 0;
    font-weight: 600;
    cursor: pointer;
    border-radius: calc(var(--radius-sm) - 4px);
    transition: background-color var(--transition-fast), color var(--transition-fast);
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.estimator-tab.active {
    background-color: var(--bg-primary);
    color: var(--text-primary);
}

.estimator-tab.active.tab-concrete {
    box-shadow: inset 0 0 0 1px var(--accent-orange);
    color: var(--accent-orange);
}

.estimator-tab.active.tab-landscape {
    box-shadow: inset 0 0 0 1px var(--accent-green);
    color: var(--accent-green);
}

.estimator-pane {
    display: none;
}

.estimator-pane.active {
    display: block;
    animation: fadeIn 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.form-group {
    margin-bottom: 1.75rem;
}

.form-group label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    color: var(--text-secondary);
}

.input-with-suffix {
    position: relative;
    display: flex;
    align-items: center;
}

.input-with-suffix input {
    width: 100%;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.85rem 3rem 0.85rem 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-with-suffix input:focus {
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 3px var(--input-focus);
}

.estimator-pane-landscape .input-with-suffix input:focus {
    border-color: var(--accent-green);
}

.input-suffix {
    position: absolute;
    right: 1.25rem;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
    pointer-events: none;
}

.custom-range {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.range-header {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    font-size: 0.85rem;
}

.range-val {
    color: var(--text-primary);
}

.range-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 6px;
    border-radius: var(--radius-full);
    background: var(--border-color);
    outline: none;
    cursor: pointer;
}

.range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-orange);
    cursor: pointer;
    transition: transform var(--transition-fast);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.estimator-pane-landscape .range-slider::-webkit-slider-thumb {
    background: var(--accent-green);
}

.range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.custom-select {
    width: 100%;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%2394a3b8'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1.25rem center;
    background-size: 1.25rem;
    cursor: pointer;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.custom-select:focus {
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 3px var(--input-focus);
}

.estimator-pane-landscape .custom-select:focus {
    border-color: var(--accent-green);
}

.checkbox-group {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.checkbox-label input {
    appearance: none;
    width: 1.25rem;
    height: 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    background-color: var(--input-bg);
    cursor: pointer;
    position: relative;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.checkbox-label input:checked {
    background-color: var(--accent-orange);
    border-color: var(--accent-orange);
}

.estimator-pane-landscape .checkbox-label input:checked {
    background-color: var(--accent-green);
    border-color: var(--accent-green);
}

.checkbox-label input:checked::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) rotate(45deg);
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
}

/* Estimator Results Card */
.estimator-results {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    position: sticky;
    top: 7.5rem;
    box-shadow: var(--card-shadow);
}

.result-card-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
}

.result-title {
    font-size: 1.25rem;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border-color);
}

.result-item {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1.25rem;
    font-weight: 500;
}

.result-item span:first-child {
    color: var(--text-secondary);
}

.result-item.total {
    margin-top: 1.5rem;
    padding-top: 1.5rem;
    border-top: 1px dashed var(--border-color);
    font-size: 1.5rem;
    font-weight: 800;
}

.result-val.price {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--accent-orange);
}

.estimator-pane-landscape-active .result-val.price {
    color: var(--accent-green);
}

.estimator-disclaimer {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 1.5rem;
    line-height: 1.4;
}

.btn-estimator-quote {
    margin-top: 2.5rem;
    width: 100%;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.btn-estimator-quote.btn-orange {
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-orange-hover));
    box-shadow: 0 4px 15px var(--accent-orange-glow);
}

.btn-estimator-quote.btn-green {
    background: linear-gradient(135deg, var(--accent-green), var(--accent-green-hover));
    box-shadow: 0 4px 15px var(--accent-green-glow);
}

@media (max-width: 991px) {
    .estimator-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .estimator-results {
        position: static;
    }
}

@media (max-width: 575px) {
    .estimator-card, .estimator-results {
        padding: 1.5rem;
    }
}

/* --- Portfolio Gallery Section --- */
.portfolio-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3.5rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.6rem 1.25rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-full);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--bg-tertiary);
    border-color: var(--accent-orange);
    color: var(--text-primary);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
}

@media (max-width: 400px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

.portfolio-item {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    height: 300px;
    cursor: pointer;
    transition: transform var(--transition-normal);
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(11, 15, 25, 0.9) 10%, rgba(11, 15, 25, 0.2) 60%, transparent);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: 2rem;
    opacity: 0;
    transition: opacity var(--transition-normal);
    z-index: 2;
}

.portfolio-item:hover {
    transform: translateY(-5px);
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

.portfolio-item:hover .portfolio-overlay {
    opacity: 1;
}

.portfolio-cat {
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--accent-orange);
    margin-bottom: 0.5rem;
}

.portfolio-overlay.cat-landscape .portfolio-cat {
    color: var(--accent-green);
}

.portfolio-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.portfolio-desc {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Modal Gallery Popups */
.modal-gallery {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 15, 25, 0.95);
    z-index: 10000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.modal-gallery.active {
    display: flex;
}

.modal-close {
    position: absolute;
    top: 2rem;
    right: 2rem;
    width: 3rem;
    height: 3rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--bg-secondary);
    transform: rotate(90deg);
}

.modal-close svg {
    width: 1.5rem;
    height: 1.5rem;
}

.modal-content-img {
    max-width: 100%;
    max-height: 80vh;
    border-radius: var(--radius-md);
    box-shadow: 0 20px 50px rgba(0,0,0,0.8);
}

/* --- Testimonials Section --- */
.testimonials-slider {
    position: relative;
    max-width: 50rem;
    margin: 0 auto;
    overflow: hidden;
}

.testimonials-track {
    display: flex;
    transition: transform var(--transition-normal);
}

.testimonial-slide {
    flex: 0 0 100%;
    width: 100%;
    padding: 0 1rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.testimonial-icon {
    width: 3.5rem;
    height: 3.5rem;
    background: var(--bg-tertiary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-orange);
    margin-bottom: 2rem;
}

.testimonial-text {
    font-size: 1.35rem;
    font-weight: 500;
    line-height: 1.6;
    margin-bottom: 2rem;
    font-style: italic;
    color: var(--text-primary);
}

.testimonial-author-img {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: 50%;
    object-fit: cover;
    margin-bottom: 1rem;
    border: 2px solid var(--accent-orange);
}

.testimonial-author-name {
    font-weight: 700;
    font-size: 1.1rem;
}

.testimonial-author-role {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Carousel Nav Dots */
.testimonial-dots {
    display: flex;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 3rem;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: var(--border-color);
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.dot.active {
    background-color: var(--accent-orange);
    transform: scale(1.2);
}

/* --- About Section --- */
.about-layout {
    display: grid;
    grid-template-columns: 0.9fr 1.1fr;
    gap: 4.5rem;
    align-items: center;
}

.about-visual {
    position: relative;
}

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

.about-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-badge {
    position: absolute;
    bottom: -1.5rem;
    right: -1.5rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--card-shadow);
}

.about-badge-icon {
    width: 3rem;
    height: 3rem;
    background-color: var(--bg-tertiary);
    color: var(--accent-orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-badge-text h4 {
    font-size: 1.25rem;
    line-height: 1.2;
}

.about-badge-text p {
    font-size: 0.8rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.about-content h3 {
    font-size: 2rem;
    margin-bottom: 1.5rem;
}

.about-content p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.about-info-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.about-info-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.about-info-icon {
    color: var(--accent-orange);
    margin-top: 0.25rem;
}

.about-info-text h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.about-info-text p {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-bottom: 0;
}

@media (max-width: 991px) {
    .about-layout {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    .about-visual {
        max-width: 450px;
        margin: 0 auto;
    }
}

/* --- Contact Section --- */
.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 4.5rem;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.contact-info-title h3 {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.contact-info-title p {
    color: var(--text-secondary);
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
}

.contact-detail-item {
    display: flex;
    gap: 1.25rem;
}

.contact-detail-icon {
    width: 3rem;
    height: 3rem;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-orange);
    flex-shrink: 0;
}

.contact-detail-text h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.contact-detail-text p {
    font-size: 0.95rem;
    color: var(--text-secondary);
}

/* Styled Map Mockup */
.contact-map-mock {
    width: 100%;
    height: 250px;
    border-radius: var(--radius-lg);
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    overflow: hidden;
    position: relative;
    box-shadow: var(--card-shadow);
}

.contact-map-canvas {
    width: 100%;
    height: 100%;
}

.contact-map-overlay {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    background: var(--glass-bg);
    backdrop-filter: blur(var(--glass-blur));
    border: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    pointer-events: none;
}

/* Contact Form */
.contact-form-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--card-shadow);
}

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

@media (max-width: 575px) {
    .contact-form-grid {
        grid-template-columns: 1fr;
    }
}

.contact-form-card input,
.contact-form-card textarea {
    width: 100%;
    background-color: var(--input-bg);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-form-card input:focus,
.contact-form-card textarea:focus {
    border-color: var(--accent-orange);
    box-shadow: 0 0 0 3px var(--input-focus);
}

.contact-form-card textarea {
    resize: vertical;
    min-height: 120px;
}

.btn-submit {
    width: 100%;
    padding: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    background: linear-gradient(135deg, var(--accent-orange), var(--accent-orange-hover));
    box-shadow: 0 4px 15px var(--accent-orange-glow);
    cursor: pointer;
    border-radius: var(--radius-sm);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-orange-glow);
}

/* Form Success State */
.form-success-message {
    display: none;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 0;
}

.form-success-message.active {
    display: flex;
    animation: fadeIn 0.5s ease;
}

.success-icon {
    width: 4rem;
    height: 4rem;
    background-color: rgba(16, 185, 129, 0.1);
    border: 2px solid var(--accent-green);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-green);
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
    box-shadow: 0 0 20px var(--accent-green-glow);
}

.success-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.success-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
}

@media (max-width: 991px) {
    .contact-layout {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
}

@media (max-width: 575px) {
    .contact-form-card {
        padding: 1.5rem;
    }
}

/* --- Footer --- */
footer {
    background-color: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 5rem 0 2.5rem 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

@media (max-width: 767px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 479px) {
    .footer-grid {
        grid-template-columns: 1fr;
    }
}

.footer-brand {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.footer-brand .logo {
    margin-bottom: 0.5rem;
}

.footer-desc {
    color: var(--text-secondary);
    font-size: 0.9rem;
    max-width: 20rem;
}

.footer-socials {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 2.25rem;
    height: 2.25rem;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.social-icon:hover {
    background-color: var(--bg-primary);
    color: var(--accent-orange);
    border-color: var(--accent-orange);
}

.social-icon svg {
    width: 1.15rem;
    height: 1.15rem;
}

.footer-col h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    position: relative;
    padding-bottom: 0.5rem;
}

.footer-col h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 1.5rem;
    height: 2px;
    background-color: var(--accent-orange);
}

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

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

.footer-links a:hover {
    color: var(--text-primary);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
    color: var(--text-muted);
    font-size: 0.85rem;
}

.footer-bottom-links {
    display: flex;
    gap: 1.5rem;
}

.footer-bottom-links a:hover {
    color: var(--text-secondary);
}