/* -------------------------------------------------------------
   Byref Dev - Design System Variables & Base Settings (2026)
------------------------------------------------------------- */
:root {
    /* Font Families */
    --font-heading: 'Space Grotesk', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;

    /* Theme Tokens - Light Mode (Primary Default) */
    --bg-primary: #f8fafc;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f1f5f9;
    --border-color: #e2e8f0;
    --border-color-glow: rgba(37, 99, 235, 0.15);
    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-tertiary: #94a3b8;
    --accent-primary: #2563eb; /* Electric Cobalt */
    --accent-secondary: #7c3aed; /* Deep Violet */
    --accent-primary-rgb: 37, 99, 235;
    --accent-secondary-rgb: 124, 58, 237;
    --accent-glow: rgba(37, 99, 235, 0.08);
    --navbar-bg: rgba(255, 255, 255, 0.8);
    --navbar-border: rgba(226, 232, 240, 0.8);
    
    /* UI Effects */
    --card-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.08), 0 1px 3px 0 rgba(15, 23, 42, 0.03);
    --card-glow-shadow: 0 20px 40px -15px rgba(37, 99, 235, 0.15);
    --glass-blur: blur(12px);
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    
    /* Layout */
    --container-max-width: 1280px;
}

/* Theme Tokens - Dark Mode Overrides */
body.dark-mode {
    --bg-primary: #090a0f;
    --bg-secondary: #121420;
    --bg-tertiary: #0b0c12;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-color-glow: rgba(139, 92, 246, 0.25);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-tertiary: #64748b;
    --accent-primary: #8b5cf6; /* Glowing Violet */
    --accent-secondary: #06b6d4; /* Cyber Cyan */
    --accent-primary-rgb: 139, 92, 246;
    --accent-secondary-rgb: 6, 182, 212;
    --accent-glow: rgba(139, 92, 246, 0.12);
    --navbar-bg: rgba(9, 10, 15, 0.8);
    --navbar-border: rgba(255, 255, 255, 0.06);
    
    /* UI Effects */
    --card-shadow: 0 15px 35px -12px rgba(0, 0, 0, 0.5);
    --card-glow-shadow: 0 25px 50px -15px rgba(139, 92, 246, 0.25);
}

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

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

body {
    background-color: var(--bg-primary);
    color: var(--text-secondary);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color 0.5s ease, color 0.5s ease;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    transition: color 0.5s ease;
}

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

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

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-padding {
    padding: 100px 0;
}

/* -------------------------------------------------------------
   Typography Utilities
------------------------------------------------------------- */
.gradient-text {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
}

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

.sub-title {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--accent-primary);
    display: inline-block;
    margin-bottom: 12px;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px auto;
}

.section-title {
    font-size: 2.5rem;
    margin-bottom: 20px;
    letter-spacing: -0.02em;
}

@media(max-width: 768px) {
    .section-title {
        font-size: 2rem;
    }
}

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

/* -------------------------------------------------------------
   Button Styling
------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--accent-primary);
    color: #ffffff !important;
}

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

.btn-secondary {
    background-color: transparent;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

.btn-glow {
    box-shadow: 0 8px 24px -6px rgba(var(--accent-primary-rgb), 0.35);
}

.btn-glow:hover {
    box-shadow: 0 12px 28px -4px rgba(var(--accent-secondary-rgb), 0.45);
}

.btn-full {
    width: 100%;
}

/* -------------------------------------------------------------
   Scroll Triggered Animation Framework
------------------------------------------------------------- */
.scroll-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.scroll-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* -------------------------------------------------------------
   Loading Screen Overlay
------------------------------------------------------------- */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-primary);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.loading-overlay.fade-out {
    opacity: 0;
    visibility: hidden;
}

.spinner-container {
    text-align: center;
}

.tech-spinner {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 24px auto;
}

.spinner-ring {
    position: absolute;
    border: 3px solid transparent;
    border-radius: 50%;
    animation: spin 2s linear infinite;
}

.spinner-ring:nth-child(1) {
    top: 0; left: 0; right: 0; bottom: 0;
    border-top-color: var(--accent-primary);
    animation-duration: 1.5s;
}

.spinner-ring:nth-child(2) {
    top: 10px; left: 10px; right: 10px; bottom: 10px;
    border-right-color: var(--accent-secondary);
    animation-duration: 2s;
    animation-direction: reverse;
}

.spinner-ring:nth-child(3) {
    top: 20px; left: 20px; right: 20px; bottom: 20px;
    border-bottom-color: var(--accent-primary);
    animation-duration: 1s;
}

.loading-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    margin-bottom: 6px;
}

.loading-subtext {
    font-size: 0.85rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

/* -------------------------------------------------------------
   Navigation Bar (Sticky Glassmorphic)
------------------------------------------------------------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background-color: var(--navbar-bg);
    border-bottom: 1px solid var(--navbar-border);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    transition: background-color 0.5s ease, border-bottom 0.5s ease, padding 0.3s ease;
    padding: 20px 0;
}

.navbar.scrolled {
    padding: 12px 0;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

body.dark-mode .navbar.scrolled {
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
}

.navbar-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: var(--container-max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.35rem;
    color: var(--text-primary);
}

.logo-icon {
    color: var(--accent-primary);
    display: flex;
    align-items: center;
}

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

.nav-link {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-secondary);
    position: relative;
    padding: 6px 0;
}

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

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

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.nav-btn {
    display: inline-flex;
    align-items: center;
    padding: 10px 20px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.88rem;
    background-color: var(--accent-primary);
    color: #ffffff;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-smooth);
    box-shadow: 0 6px 16px -4px rgba(var(--accent-primary-rgb), 0.25);
}

.nav-btn:hover {
    background-color: var(--accent-secondary);
    box-shadow: 0 8px 20px -3px rgba(var(--accent-secondary-rgb), 0.35);
    transform: translateY(-1px);
}

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

/* Theme Toggle Button */
.theme-toggle-btn {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-primary);
    transition: var(--transition-smooth);
}

.theme-toggle-btn:hover {
    background-color: var(--border-color);
    transform: rotate(15deg);
}

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

.theme-toggle-btn .moon-icon {
    display: block;
}

body.dark-mode .theme-toggle-btn .sun-icon {
    display: block;
}

body.dark-mode .theme-toggle-btn .moon-icon {
    display: none;
}

/* Mobile Toggle Hamburger button */
.mobile-toggle-btn {
    display: none;
    flex-direction: column;
    justify-content: space-between;
    width: 30px;
    height: 20px;
    cursor: pointer;
    background: transparent;
    z-index: 1001;
}

.mobile-toggle-btn .bar {
    width: 100%;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition-smooth);
}

/* Hamburger transition to 'X' */
.mobile-toggle-btn.open .bar:nth-child(1) {
    transform: translateY(8px) rotate(45deg);
}

.mobile-toggle-btn.open .bar:nth-child(2) {
    opacity: 0;
}

.mobile-toggle-btn.open .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Mobile Navigation Drawer styles */
@media (max-width: 991px) {
    .mobile-toggle-btn {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 300px;
        height: 100vh;
        background-color: var(--bg-secondary);
        border-left: 1px solid var(--border-color);
        flex-direction: column;
        align-items: flex-start;
        padding: 100px 40px 40px 40px;
        gap: 24px;
        transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1);
        z-index: 999;
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.05);
    }

    body.dark-mode .nav-menu {
        box-shadow: -10px 0 40px rgba(0, 0, 0, 0.4);
    }

    .nav-menu.active {
        right: 0;
    }

    .nav-link {
        font-size: 1.15rem;
        width: 100%;
        display: block;
    }

    .nav-btn {
        display: none;
    }

    .nav-btn-mobile {
        display: block;
        margin-top: 20px;
    }
}

/* -------------------------------------------------------------
   Hero Section with Kinetic Particle Canvas
------------------------------------------------------------- */
.hero-section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 120px;
    padding-bottom: 100px;
    background-color: var(--bg-primary);
    overflow: hidden;
}

.hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: all;
    opacity: 0.85;
}

.hero-overlay {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    background: radial-gradient(circle at 80% 20%, rgba(var(--accent-primary-rgb), 0.04) 0%, transparent 50%),
                radial-gradient(circle at 10% 80%, rgba(var(--accent-secondary-rgb), 0.03) 0%, transparent 50%);
    z-index: 2;
}

.hero-container {
    position: relative;
    z-index: 3;
}

.hero-content {
    max-width: 820px;
    text-align: left;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 8px 16px;
    border-radius: 100px;
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.02);
}

body.dark-mode .hero-badge {
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: #10b981; /* Green dot indicating active status */
    border-radius: 50%;
    display: inline-block;
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    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 6px rgba(16, 185, 129, 0); }
    100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.badge-text {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 0.02em;
}

.hero-title {
    font-size: 4rem;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 24px;
    color: var(--text-primary);
}

@media(max-width: 991px) {
    .hero-title {
        font-size: 3rem;
    }
}

@media(max-width: 576px) {
    .hero-title {
        font-size: 2.25rem;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 700px;
    line-height: 1.6;
}

@media(max-width: 576px) {
    .hero-subtitle {
        font-size: 1.1rem;
    }
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 60px;
    flex-wrap: wrap;
}

/* Trust block */
.hero-trust {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    max-width: 600px;
}

.trust-title {
    font-family: var(--font-heading);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--text-tertiary);
    margin-bottom: 16px;
}

.trust-logos {
    display: flex;
    align-items: center;
    gap: 40px;
    flex-wrap: wrap;
    color: var(--text-tertiary);
    opacity: 0.75;
}

.trust-logo {
    transition: var(--transition-fast);
}

.trust-logo:hover {
    color: var(--text-primary);
    opacity: 1;
}

/* Wave overlay graphic separating hero */
.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    transform: rotate(180deg);
    z-index: 4;
}

.hero-wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 60px;
}

.hero-wave .wave-fill {
    fill: var(--bg-primary);
    transition: fill 0.5s ease;
}

/* -------------------------------------------------------------
   Services Grid Section
------------------------------------------------------------- */
.services-section {
    background-color: var(--bg-primary);
    position: relative;
    z-index: 5;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
}

@media(max-width: 480px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
}

/* Glassmorphism Card Panels */
.service-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 40px;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 100%;
    background: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary));
    opacity: 0;
    transition: var(--transition-fast);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: var(--border-color-glow);
    box-shadow: var(--card-glow-shadow);
}

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

.service-icon {
    width: 60px;
    height: 60px;
    background-color: var(--accent-glow);
    color: var(--accent-primary);
    border-radius: var(--border-radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: var(--transition-smooth);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    background-color: var(--accent-primary);
    color: #ffffff;
}

.service-title {
    font-size: 1.35rem;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.service-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    flex-grow: 1;
}

.service-features {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.service-features li {
    font-size: 0.85rem;
    color: var(--text-secondary);
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
}

.service-features li::before {
    content: '→';
    color: var(--accent-primary);
    font-weight: 700;
}

/* -------------------------------------------------------------
   "Why Choose Byref Dev" Section
------------------------------------------------------------- */
.why-choose-section {
    background-color: var(--bg-tertiary);
    transition: background-color 0.5s ease;
}

.why-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 60px;
    align-items: center;
}

@media(max-width: 991px) {
    .why-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

.why-description {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.advantage-list {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.advantage-item {
    display: flex;
    gap: 24px;
}

.advantage-num {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent-primary);
    opacity: 0.8;
}

.advantage-title {
    font-size: 1.15rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

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

/* Visual Code Graphic Frame (Tactile Brutalism look) */
.why-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.tech-graphic-container {
    position: relative;
    width: 100%;
    max-width: 480px;
}

.graphic-frame {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    width: 100%;
}

.frame-header {
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 20px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.frame-header .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    display: inline-block;
}

.frame-header .dot.red { background-color: #ef4444; }
.frame-header .dot.yellow { background-color: #f59e0b; }
.frame-header .dot.green { background-color: #10b981; }

.frame-title {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    margin-left: 8px;
}

.frame-body {
    padding: 24px;
    background-color: var(--bg-secondary);
}

.frame-body pre {
    overflow-x: auto;
}

.frame-body code {
    font-family: Consolas, Monaco, 'Andale Mono', 'Ubuntu Mono', monospace;
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
}

/* Syntax Highlighting overrides */
.code-comment { color: var(--text-tertiary); }
.code-keyword { color: var(--accent-secondary); font-weight: bold; }
.code-string { color: #10b981; }
.code-number { color: #f59e0b; }

/* Floating cards on top of graphic */
.floating-stat-card {
    position: absolute;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 16px 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
    z-index: 10;
    transition: var(--transition-smooth);
}

body.dark-mode .floating-stat-card {
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
}

.floating-stat-card:hover {
    transform: translateY(-4px) scale(1.02);
}

.glow-card-1 {
    top: -25px;
    right: -25px;
    border-left: 3px solid var(--accent-primary);
}

.glow-card-2 {
    bottom: -25px;
    left: -20px;
    border-left: 3px solid var(--accent-secondary);
}

@media(max-width: 576px) {
    .glow-card-1 {
        top: -15px;
        right: 0;
    }
    .glow-card-2 {
        bottom: -15px;
        left: 0;
    }
}

.stat-icon-wrapper {
    font-size: 1.5rem;
}

.floating-stat-card .val {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    display: block;
}

.floating-stat-card .lbl {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

/* -------------------------------------------------------------
   Portfolio Showcase Section
------------------------------------------------------------- */
.portfolio-section {
    background-color: var(--bg-primary);
}

.portfolio-filter-container {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 30px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 10px 20px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.88rem;
    border-radius: 100px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
}

.filter-btn:hover {
    background-color: var(--border-color);
    color: var(--text-primary);
}

.filter-btn.active {
    background-color: var(--accent-primary);
    color: #ffffff;
    border-color: var(--accent-primary);
    box-shadow: 0 4px 12px rgba(var(--accent-primary-rgb), 0.2);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

@media(max-width: 576px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
    }
}

.portfolio-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
    display: flex;
    flex-direction: column;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-glow-shadow);
    border-color: var(--border-color-glow);
}

.portfolio-img-wrapper {
    position: relative;
    width: 100%;
    height: 220px;
    overflow: hidden;
}

/* Custom CSS illustrations representing mockups */
.project-visual-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.portfolio-card:hover .project-visual-placeholder {
    transform: scale(1.05);
}

.v-apex {
    background: linear-gradient(135deg, #eff6ff 0%, #dbeafe 100%);
    color: var(--accent-primary);
}
body.dark-mode .v-apex {
    background: linear-gradient(135deg, #1e1b4b 0%, #1e293b 100%);
}

.v-vaal {
    background: linear-gradient(135deg, #f5f3ff 0%, #ede9fe 100%);
    color: var(--accent-secondary);
}
body.dark-mode .v-vaal {
    background: linear-gradient(135deg, #2e1065 0%, #0f172a 100%);
}

.v-soweto {
    background: linear-gradient(135deg, #ecfdf5 0%, #d1fae5 100%);
    color: #10b981;
}
body.dark-mode .v-soweto {
    background: linear-gradient(135deg, #064e3b 0%, #1e293b 100%);
}

/* Vector mocks in css */
.dashboard-mock {
    width: 70%;
    height: 70%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 8px;
    display: flex;
    flex-direction: column;
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.mock-header {
    height: 8px;
    background-color: var(--bg-tertiary);
    margin-bottom: 8px;
    border-radius: 2px;
}
.mock-flex {
    display: flex;
    gap: 8px;
    flex-grow: 1;
}
.mock-side {
    width: 16px;
    background-color: var(--bg-tertiary);
    border-radius: 2px;
}
.mock-main {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.chart-line {
    height: 6px;
    background-color: var(--border-color);
    border-radius: 2px;
}
.chart-bar-group {
    display: flex;
    gap: 4px;
    align-items: flex-end;
    height: 50%;
}
.chart-bar-group .bar {
    flex-grow: 1;
    background-color: var(--accent-primary);
    border-radius: 2px 2px 0 0;
}
.bar.h40 { height: 40%; }
.bar.h60 { height: 60%; background-color: var(--accent-secondary); }
.bar.h80 { height: 80%; }

/* AI Routing mocks */
.nodes-mock {
    position: relative;
    width: 150px;
    height: 100px;
}
.node-dot {
    position: absolute;
    width: 16px;
    height: 16px;
    background-color: var(--accent-secondary);
    border-radius: 50%;
    z-index: 2;
    border: 2px solid var(--bg-secondary);
    box-shadow: 0 0 10px rgba(var(--accent-secondary-rgb), 0.5);
}
.node-dot.d1 { top: 40px; left: 10px; }
.node-dot.d2 { top: 10px; left: 90px; background-color: var(--accent-primary); }
.node-dot.d3 { top: 75px; left: 90px; }
.node-lines {
    position: absolute;
    top: 0; left: 0; width: 100%; height: 100%;
    z-index: 1;
    color: var(--text-tertiary);
}

/* Medical Mock */
.medical-mock {
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 16px;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 4px 12px rgba(0,0,0,0.05);
}
.cross-icon {
    font-size: 2.25rem;
    color: #10b981;
}
.medical-text-mock {
    display: flex;
    flex-direction: column;
    gap: 6px;
    width: 80px;
}
.medical-text-mock .line {
    height: 6px;
    background-color: var(--border-color);
    border-radius: 2px;
}
.line.w70 { width: 70%; }
.line.w90 { width: 90%; }
.line.w50 { width: 50%; }

.portfolio-tag {
    position: absolute;
    top: 16px;
    left: 16px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
    z-index: 3;
}

body.dark-mode .portfolio-tag {
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.portfolio-body {
    padding: 30px;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.portfolio-card-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.portfolio-card-text {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.5;
}

.portfolio-metrics {
    display: flex;
    gap: 24px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
    margin-bottom: 24px;
}

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

.metric-val {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.metric-lbl {
    font-size: 0.72rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.portfolio-link {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-primary);
}

.portfolio-link svg {
    transition: var(--transition-fast);
}

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

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

/* -------------------------------------------------------------
   Choreographed Development Process Timeline
------------------------------------------------------------- */
.process-section {
    background-color: var(--bg-tertiary);
    transition: background-color 0.5s ease;
}

.process-timeline {
    position: relative;
    max-width: 800px;
    margin: 60px auto 0 auto;
    padding: 20px 0;
}

.timeline-line {
    position: absolute;
    top: 0;
    left: 40px;
    width: 4px;
    height: 100%;
    background-color: var(--border-color);
    border-radius: 2px;
}

.timeline-progress {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 0;
    background: linear-gradient(to bottom, var(--accent-primary), var(--accent-secondary));
    border-radius: 2px;
    transition: height 0.1s ease;
}

.process-step {
    position: relative;
    padding-left: 90px;
    margin-bottom: 60px;
}

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

.step-marker {
    position: absolute;
    top: 0;
    left: 20px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--bg-secondary);
    border: 3px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.15rem;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    transition: var(--transition-smooth);
}

.process-step.active .step-marker {
    border-color: var(--accent-primary);
    background-color: var(--accent-primary);
    color: #ffffff;
    box-shadow: 0 0 15px rgba(var(--accent-primary-rgb), 0.4);
}

.step-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 30px;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

.process-step.active .step-content {
    border-color: var(--border-color-glow);
    box-shadow: var(--card-glow-shadow);
}

.step-title {
    font-size: 1.25rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.step-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* -------------------------------------------------------------
   Testimonials Slider Section
------------------------------------------------------------- */
.testimonials-section {
    background-color: var(--bg-primary);
}

.testimonial-slider-container {
    max-width: 900px;
    margin: 0 auto;
    overflow: hidden;
    position: relative;
    padding: 10px 0;
}

.testimonial-track {
    display: flex;
    transition: transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.testimonial-card {
    min-width: 100%;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 50px;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    gap: 30px;
    position: relative;
}

@media(max-width: 576px) {
    .testimonial-card {
        padding: 30px 20px;
        gap: 20px;
    }
}

.rating-stars {
    color: #f59e0b;
    font-size: 1.25rem;
}

.testimonial-quote {
    font-family: var(--font-body);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--text-primary);
    line-height: 1.6;
    font-style: italic;
}

@media(max-width: 576px) {
    .testimonial-quote {
        font-size: 1.1rem;
    }
}

.client-info {
    display: flex;
    align-items: center;
    gap: 16px;
}

.client-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
}

.client-name {
    font-size: 1.05rem;
    color: var(--text-primary);
}

.client-position {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

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

.slider-dots .dot:hover {
    background-color: var(--text-tertiary);
}

.slider-dots .dot.active {
    background-color: var(--accent-primary);
    width: 24px;
    border-radius: 100px;
}

/* -------------------------------------------------------------
   Live Statistics Block
------------------------------------------------------------- */
.stats-section {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: #ffffff;
    padding: 60px 0;
}

.stats-container {
    max-width: var(--container-max-width);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

@media(max-width: 991px) {
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 40px;
    }
}

@media(max-width: 480px) {
    .stats-grid {
        grid-template-columns: 1fr;
    }
}

.stat-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-num {
    font-family: var(--font-heading);
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1;
    letter-spacing: -0.02em;
}

.stat-label {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    opacity: 0.85;
}

/* -------------------------------------------------------------
   Pricing Section
------------------------------------------------------------- */
.pricing-section {
    background-color: var(--bg-primary);
}

/* Pricing Model Toggler */
.pricing-toggle-container {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    margin-top: 30px;
}

.toggle-label {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: var(--transition-fast);
}

.toggle-label.active {
    color: var(--text-primary);
}

.pricing-toggle {
    width: 60px;
    height: 32px;
    background-color: var(--accent-primary);
    border-radius: 100px;
    position: relative;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.toggle-slider {
    position: absolute;
    top: 4px;
    left: 4px;
    width: 24px;
    height: 24px;
    background-color: #ffffff;
    border-radius: 50%;
    transition: var(--transition-smooth);
}

.pricing-toggle.monthly .toggle-slider {
    left: 32px;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
    align-items: flex-start;
}

@media(max-width: 991px) {
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 480px;
        margin-left: auto;
        margin-right: auto;
    }
}

.pricing-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 40px;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.pricing-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--card-glow-shadow);
    border-color: var(--border-color-glow);
}

.pricing-card.popular {
    border: 2px solid var(--accent-primary);
    transform: scale(1.03);
}

.pricing-card.popular:hover {
    transform: scale(1.03) translateY(-8px);
}

@media(max-width: 991px) {
    .pricing-card.popular {
        transform: none;
    }
    .pricing-card.popular:hover {
        transform: translateY(-8px);
    }
}

.popular-badge {
    position: absolute;
    top: 16px;
    right: -32px;
    background-color: var(--accent-primary);
    color: #ffffff;
    font-family: var(--font-heading);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 6px 36px;
    transform: rotate(45deg);
    letter-spacing: 0.1em;
}

.pricing-card-header {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 30px;
    margin-bottom: 30px;
}

.package-name {
    font-size: 1.35rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.package-desc {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    min-height: 48px;
}

.package-price {
    display: flex;
    align-items: baseline;
    color: var(--text-primary);
}

.currency {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-right: 4px;
}

.price-val {
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.price-val.text-custom {
    font-size: 2.5rem;
}

.price-period {
    font-size: 0.88rem;
    color: var(--text-tertiary);
    margin-left: 8px;
}

.package-features {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 40px;
}

.package-features li {
    font-size: 0.92rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 12px;
}

.package-features li.disabled {
    color: var(--text-tertiary);
    text-decoration: line-through;
    opacity: 0.7;
}

.feat-icon {
    font-weight: 700;
    color: var(--accent-primary);
}

.package-features li.disabled .feat-icon {
    color: var(--text-tertiary);
}

/* -------------------------------------------------------------
   FAQ Accordions Section
------------------------------------------------------------- */
.faq-section {
    background-color: var(--bg-tertiary);
    transition: background-color 0.5s ease;
}

.faq-accordion-container {
    max-width: 800px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

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

.faq-question {
    width: 100%;
    padding: 24px 30px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    text-align: left;
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    background: transparent;
    transition: var(--transition-fast);
}

@media(max-width: 576px) {
    .faq-question {
        padding: 20px;
        font-size: 1rem;
    }
}

.faq-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent-primary);
    transition: var(--transition-smooth);
}

.faq-question:hover {
    color: var(--accent-primary);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    background-color: var(--bg-secondary);
}

.faq-answer p {
    padding: 0 30px 24px 30px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    line-height: 1.6;
}

@media(max-width: 576px) {
    .faq-answer p {
        padding: 0 20px 20px 20px;
    }
}

/* Accordion open classes triggered via Javascript */
.faq-item.open {
    border-color: var(--border-color-glow);
    box-shadow: var(--card-glow-shadow);
}

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

/* -------------------------------------------------------------
   Contact Form & Info Section
------------------------------------------------------------- */
.contact-section {
    background-color: var(--bg-primary);
}

.contact-grid {
    display: grid;
    grid-template-columns: 0.95fr 1.05fr;
    gap: 60px;
    align-items: flex-start;
}

@media (max-width: 991px) {
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }
}

.contact-intro-text {
    font-size: 1.125rem;
    margin-bottom: 40px;
}

.info-blocks {
    display: flex;
    flex-direction: column;
    gap: 30px;
    margin-bottom: 40px;
}

.info-block {
    display: flex;
    align-items: center;
    gap: 20px;
}

.info-icon {
    width: 52px;
    height: 52px;
    border-radius: var(--border-radius-sm);
    background-color: var(--accent-glow);
    color: var(--accent-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.info-block:hover .info-icon {
    background-color: var(--accent-primary);
    color: #ffffff;
    transform: scale(1.05) rotate(-5deg);
}

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

.info-lbl {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.info-val {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-primary);
}

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

/* WhatsApp Animated widget block */
.whatsapp-cta-block {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
}

.cta-message {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.whatsapp-btn {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background-color: #25d366; /* WhatsApp Green */
    color: #ffffff !important;
    padding: 14px 28px;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 0.95rem;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.25);
    transition: var(--transition-smooth);
}

.whatsapp-btn:hover {
    background-color: #128c7e;
    box-shadow: 0 10px 24px rgba(37, 211, 102, 0.45);
    transform: translateY(-2px);
}

.whatsapp-icon {
    animation: wiggle 2s ease infinite;
}

@keyframes wiggle {
    0%, 100% { transform: rotate(0deg); }
    10%, 30% { transform: rotate(-8deg); }
    20%, 40% { transform: rotate(8deg); }
    50% { transform: rotate(0deg); }
}

/* Glassmorphic Contact Card container */
.glass-form-container {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 40px;
    box-shadow: var(--card-shadow);
    position: relative;
}

@media(max-width: 576px) {
    .glass-form-container {
        padding: 30px 20px;
    }
}

.form-title {
    font-size: 1.5rem;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.form-subtitle {
    font-size: 0.88rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
}

.project-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media(max-width: 576px) {
    .form-group-row {
        grid-template-columns: 1fr;
        gap: 20px;
    }
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-color: var(--accent-primary);
    background-color: var(--bg-secondary);
    box-shadow: 0 0 0 3px rgba(var(--accent-primary-rgb), 0.1);
}

/* Dropdown styling */
.form-group select {
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' 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 16px center;
    cursor: pointer;
}

/* Invalid / Validation styling */
.form-group.invalid input,
.form-group.invalid select,
.form-group.invalid textarea {
    border-color: #ef4444;
    background-color: rgba(239, 68, 68, 0.02);
}

.form-group .error-msg {
    color: #ef4444;
    font-size: 0.75rem;
    display: none;
    margin-top: 4px;
}

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

/* Form success overlay */
.form-success-dialog {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px;
    z-index: 10;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-smooth);
}

.form-success-dialog.active {
    opacity: 1;
    visibility: visible;
}

.success-icon {
    width: 64px;
    height: 64px;
    background-color: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 24px;
    animation: scaleIn 0.5s ease forwards;
}

.success-title {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.success-text {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.5;
}

@keyframes scaleIn {
    0% { transform: scale(0.7); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}

/* -------------------------------------------------------------
   Footer Section
------------------------------------------------------------- */
.footer {
    background-color: var(--bg-tertiary);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 30px 0;
    transition: background-color 0.5s ease;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.9fr 0.9fr 1fr;
    gap: 40px;
    margin-bottom: 60px;
}

@media(max-width: 991px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
    }
}

@media(max-width: 480px) {
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 20px;
}

.footer-logo svg {
    color: var(--accent-primary);
}

.footer-about {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-links a {
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
}

.social-links a:hover {
    color: #ffffff;
    background-color: var(--accent-primary);
    border-color: var(--accent-primary);
    transform: translateY(-3px);
}

.footer-title {
    font-size: 1.05rem;
    margin-bottom: 24px;
    color: var(--text-primary);
    position: relative;
    padding-bottom: 10px;
}

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

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

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

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

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.footer-contact-info li {
    display: flex;
    flex-direction: column;
}

.f-info-title {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.f-info-val {
    font-size: 0.95rem;
    color: var(--text-primary);
    margin-top: 2px;
}

.f-info-val:hover {
    color: var(--accent-primary);
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.copyright-text {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.footer-legal-links {
    display: flex;
    gap: 20px;
}

.footer-legal-links a {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.footer-legal-links a:hover {
    color: var(--accent-primary);
}

/* -------------------------------------------------------------
   Back-to-Top Button
------------------------------------------------------------- */
.back-to-top-btn {
    position: fixed;
    bottom: 30px;
    right: -60px; /* Hidden offscreen by default */
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background-color: var(--accent-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(var(--accent-primary-rgb), 0.3);
    z-index: 99;
    transition: right 0.4s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s ease, background-color 0.2s ease;
}

.back-to-top-btn.active {
    right: 30px;
}

.back-to-top-btn:hover {
    background-color: var(--accent-secondary);
    transform: translateY(-3px);
}

/* -------------------------------------------------------------
   7b. Interactive Estimator Widget Styles
------------------------------------------------------------- */
.estimator-section {
    background-color: var(--bg-tertiary);
    transition: background-color 0.5s ease;
}

.estimator-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    align-items: stretch;
    margin-top: 40px;
}

@media(max-width: 991px) {
    .estimator-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

.estimator-inputs {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 40px;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    gap: 24px;
    transition: var(--transition-smooth);
}

@media(max-width: 576px) {
    .estimator-inputs {
        padding: 30px 20px;
    }
}

.estimator-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.estimator-group label {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.02em;
}

.estimator-group select {
    width: 100%;
    padding: 12px 16px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-primary);
    font-size: 0.95rem;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23475569' 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 16px center;
    transition: var(--transition-fast);
}

.estimator-group select:focus {
    border-color: var(--accent-primary);
    background-color: var(--bg-secondary);
}

/* Range input styling */
.slider-input {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    border-radius: 5px;
    background: var(--border-color);
    outline: none;
    margin: 12px 0;
}

.slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-primary);
    cursor: pointer;
    transition: transform 0.1s ease;
    box-shadow: 0 0 10px rgba(var(--accent-primary-rgb), 0.3);
}

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

.checkbox-group {
    flex-direction: row;
    align-items: center;
    gap: 12px;
    cursor: pointer;
}

.checkbox-input {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-primary);
    cursor: pointer;
}

.checkbox-group label {
    text-transform: none;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--text-secondary);
    cursor: pointer;
}

.estimator-results {
    display: flex;
    flex-direction: column;
}

.results-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 40px;
    box-shadow: var(--card-shadow);
    display: flex;
    flex-direction: column;
    gap: 24px;
    border-top: 4px solid var(--accent-primary);
    height: 100%;
    justify-content: space-between;
    transition: var(--transition-smooth);
}

@media(max-width: 576px) {
    .results-card {
        padding: 30px 20px;
    }
}

.results-card-title {
    font-size: 1.35rem;
    color: var(--text-primary);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.result-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 16px;
}

.result-lbl {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.result-price {
    display: flex;
    align-items: baseline;
    color: var(--text-primary);
}

.result-val {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    line-height: 1;
    color: var(--accent-primary);
    transition: var(--transition-fast);
}

.result-txt {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
}

.result-txt.green-text {
    color: #10b981;
}

.result-guarantee-badge {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    background-color: var(--accent-glow);
    border: 1px dashed var(--accent-primary);
    padding: 16px;
    border-radius: var(--border-radius-sm);
}

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

.badge-content {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.badge-title {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-primary);
}

.badge-desc {
    font-size: 0.75rem;
    color: var(--text-secondary);
    line-height: 1.4;
}

/* -------------------------------------------------------------
   Floating Online Chatbot Widget Styles
------------------------------------------------------------- */
.ai-chatbot-widget {
    position: fixed;
    bottom: 90px; /* Above the back to top button */
    right: 30px;
    z-index: 998;
}

/* Trigger Button style */
.chatbot-trigger-btn {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    box-shadow: 0 8px 24px rgba(var(--accent-primary-rgb), 0.3);
    transition: var(--transition-smooth);
    position: relative;
}

.chatbot-trigger-btn:hover {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 12px 30px rgba(var(--accent-primary-rgb), 0.45);
}

.chatbot-trigger-btn .close-icon {
    display: none;
}

/* Chat notify indicator dot */
.chat-notification-dot {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 12px;
    height: 12px;
    background-color: #ef4444;
    border: 2px solid #ffffff;
    border-radius: 50%;
    animation: pulse-dot 1.8s infinite;
}

/* Drawer Window panel */
.chatbot-window {
    position: fixed;
    bottom: 160px;
    right: 30px;
    width: 360px;
    height: 480px;
    max-height: 80vh;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    box-shadow: var(--card-shadow);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.95);
    transition: var(--transition-smooth);
}

.chatbot-window.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

@media(max-width: 480px) {
    .chatbot-window {
        width: calc(100vw - 40px);
        right: 20px;
        bottom: 150px;
    }
}

/* Header style */
.chatbot-header {
    background: linear-gradient(135deg, var(--accent-primary) 0%, var(--accent-secondary) 100%);
    color: #ffffff;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.chatbot-profile {
    display: flex;
    align-items: center;
    gap: 12px;
}

.bot-avatar {
    width: 36px;
    height: 36px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
}

.bot-status-info {
    display: flex;
    flex-direction: column;
}

.bot-name {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
}

.bot-status {
    font-size: 0.72rem;
    opacity: 0.85;
    display: flex;
    align-items: center;
    gap: 4px;
}

.status-dot {
    width: 6px;
    height: 6px;
    background-color: #10b981;
    border-radius: 50%;
    display: inline-block;
}

.chatbot-close-header {
    font-size: 1.5rem;
    color: #ffffff;
    cursor: pointer;
    opacity: 0.8;
    transition: var(--transition-fast);
}

.chatbot-close-header:hover {
    opacity: 1;
    transform: scale(1.1);
}

/* Messages area */
.chatbot-messages {
    flex-grow: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
    scrollbar-width: thin;
}

.chat-msg {
    display: flex;
    flex-direction: column;
    max-width: 80%;
}

.chat-msg.bot {
    align-self: flex-start;
}

.chat-msg.user {
    align-self: flex-end;
}

.msg-bubble {
    padding: 12px 16px;
    font-size: 0.9rem;
    line-height: 1.4;
    border-radius: var(--border-radius-sm);
}

.chat-msg.bot .msg-bubble {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-top-left-radius: 2px;
}

.chat-msg.user .msg-bubble {
    background-color: var(--accent-primary);
    color: #ffffff;
    border-top-right-radius: 2px;
}

/* suggested action chips */
.chat-suggestions {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 10px;
    align-self: flex-start;
    width: 100%;
}

.suggest-btn {
    text-align: left;
    padding: 10px 16px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-primary);
    background-color: var(--accent-glow);
    border: 1px solid var(--border-color-glow);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
    width: fit-content;
}

.suggest-btn:hover {
    background-color: var(--accent-primary);
    color: #ffffff;
    transform: translateX(4px);
}

/* Input Bar style */
.chatbot-input-form {
    display: flex;
    border-top: 1px solid var(--border-color);
    padding: 12px;
    background-color: var(--bg-secondary);
}

.chatbot-input-form input {
    flex-grow: 1;
    padding: 10px 14px;
    background-color: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    font-size: 0.9rem;
    color: var(--text-primary);
    transition: var(--transition-fast);
}

.chatbot-input-form input:focus {
    border-color: var(--accent-primary);
    background-color: var(--bg-secondary);
}

.chatbot-send-btn {
    width: 40px;
    height: 40px;
    margin-left: 10px;
    border-radius: var(--border-radius-sm);
    background-color: var(--accent-primary);
    color: #ffffff;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.chatbot-send-btn:hover {
    background-color: var(--accent-secondary);
    transform: scale(1.05);
}

/* Typing Indicator Animation */
.typing-dots {
    display: inline-flex;
    gap: 4px;
    align-items: center;
    padding: 4px 8px;
}

.typing-dots span {
    width: 6px;
    height: 6px;
    background-color: var(--text-tertiary);
    border-radius: 50%;
    animation: typing-dot-bounce 1.4s infinite ease-in-out both;
}

.typing-dots span:nth-child(1) { animation-delay: -0.32s; }
.typing-dots span:nth-child(2) { animation-delay: -0.16s; }

@keyframes typing-dot-bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}

/* Active trigger state adjustments */
.chatbot-trigger-btn.active {
    transform: scale(0.9) rotate(-90deg);
}

.chatbot-trigger-btn.active .chat-icon {
    display: none;
}

.chatbot-trigger-btn.active .close-icon {
    display: block;
}

.chatbot-trigger-btn.active .chat-notification-dot {
    display: none;
}

/* -------------------------------------------------------------
   Mobile Optimization & Responsive Enhancements (2026)
------------------------------------------------------------- */
@media (max-width: 768px) {
    body {
        font-size: 15px; /* Better reading baseline for mobile */
    }
    
    .section-padding {
        padding: 70px 0; /* Relaxed vertical spacer spacing */
    }
    
    .container {
        padding: 0 16px; /* Expanded grid content canvas size */
    }
    
    /* Auto-zoom prevention on iOS Safari inputs */
    input, select, textarea {
        font-size: 16px !important;
    }
    
    /* Stack hero actions vertically for quick touch accessibility */
    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }
    
    .hero-actions .btn {
        width: 100%;
        padding: 16px 20px;
    }
    
    .trust-logos {
        gap: 24px 32px;
        justify-content: center;
    }
    
    .why-visual {
        margin-top: 40px;
    }
    
    .why-description {
        margin-bottom: 24px;
    }
    
    /* Responsive timeline marker layout adjustments */
    .timeline-line {
        left: 20px;
    }
    
    .process-step {
        padding-left: 60px;
    }
    
    .step-marker {
        left: 0;
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }
    
    .step-content {
        padding: 20px;
    }
}

@media (max-width: 480px) {
    .section-title {
        font-size: 1.85rem;
    }
    
    .hero-title {
        font-size: 2.15rem;
        text-align: center;
    }
    
    .hero-subtitle {
        font-size: 1.05rem;
        text-align: center;
        margin-bottom: 30px;
    }
    
    .hero-badge {
        display: flex;
        margin: 0 auto 24px auto;
        width: fit-content;
    }
    
    .testimonial-card {
        padding: 24px 16px;
    }
    
    .pricing-card {
        padding: 24px;
    }
    
    .results-card {
        padding: 24px 16px;
    }
    
    .faq-question {
        padding: 16px;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    /* Position the chatbot slightly higher so it does not block footer copyright details */
    .ai-chatbot-widget {
        bottom: 80px;
        right: 16px;
    }
    
    .back-to-top-btn.active {
        bottom: 20px;
        right: 16px;
    }
    
    .chatbot-window {
        width: calc(100vw - 32px);
        right: 16px;
        bottom: 146px;
    }
}

@media (max-width: 360px) {
    .hero-title {
        font-size: 1.85rem;
    }
    
    .stat-num {
        font-size: 2.75rem;
    }
}