/* 
   Blue Vine Ltd - Modern One-Page Website Styles
   Author: Claude AI
   Version: 2.0 - Enhanced Design
*/

/* ---------- RESET & BASE STYLES ---------- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors - Updated to a more sophisticated blue palette */
    --primary-color: #2563eb;
    --primary-light: #60a5fa;
    --primary-dark: #1e40af;
    --primary-gradient: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    
    /* Secondary Colors - More refined dark palette */
    --secondary-color: #0f172a;
    --secondary-light: #1e293b;
    --secondary-dark: #0f172a;
    --secondary-gradient: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    
    /* Accent Colors - Added for visual interest */
    --accent-color: #8b5cf6; /* Purple for accents */
    --accent-light: #a78bfa;
    
    /* Neutral Colors - Updated for better contrast */
    --text-dark: #1e293b;
    --text-light: #f8fafc;
    --text-muted: #64748b;
    --bg-light: #f8fafc;
    --bg-dark: #0f172a;
    --border-color: #e2e8f0;
    
    /* Glass Effect Colors */
    --glass-bg: rgba(255, 255, 255, 0.15);
    --glass-border: rgba(255, 255, 255, 0.2);
    --glass-shadow: rgba(0, 0, 0, 0.1);
    
    /* Shadows - Enhanced for more dimension */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    --shadow-outline: 0 0 0 3px rgba(37, 99, 235, 0.2);
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* Typography - Adjusted for better readability */
    --font-primary: 'Poppins', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-md: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    --line-height-tight: 1.2;
    --line-height-normal: 1.5;
    --line-height-relaxed: 1.75;
    --letter-spacing-tight: -0.025em;
    --letter-spacing-normal: 0;
    --letter-spacing-wide: 0.025em;
    --letter-spacing-wider: 0.05em;
    
    /* Border Radius */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 1rem;
    --border-radius-xl: 1.5rem;
    --border-radius-full: 9999px;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
}

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

body {
    font-family: var(--font-primary);
    line-height: var(--line-height-normal);
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
    font-weight: 400;
}

h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: var(--line-height-tight);
    margin-bottom: var(--spacing-sm);
    letter-spacing: var(--letter-spacing-tight);
}

h1 {
    font-size: var(--font-size-5xl);
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    margin-bottom: var(--spacing-md);
}

h2 {
    font-size: var(--font-size-4xl);
    position: relative;
    display: inline-block;
}

h3 {
    font-size: var(--font-size-2xl);
}

h4 {
    font-size: var(--font-size-xl);
}

p {
    margin-bottom: var(--spacing-md);
    line-height: var(--line-height-relaxed);
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition-fast);
    font-weight: 500;
}

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
}

::selection {
    background-color: var(--primary-light);
    color: var(--text-light);
}

.text-gradient {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

/* ---------- UTILITIES ---------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xxl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    position: relative;
}

.section-header h2 {
    margin-bottom: var(--spacing-sm);
    padding-bottom: var(--spacing-sm);
}

.section-header h2::before,
.section-header h2::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    height: 4px;
    border-radius: var(--border-radius-full);
}

.section-header h2::before {
    width: 60px;
    background-color: var(--primary-color);
}

.section-header h2::after {
    width: 30px;
    background-color: var(--accent-color);
    bottom: -8px;
}

.section-header p {
    color: var(--text-muted);
    font-size: var(--font-size-lg);
    max-width: 600px;
    margin: var(--spacing-md) auto 0;
}

.section-divider {
    width: 60px;
    height: 4px;
    background-color: var(--primary-color);
    margin: var(--spacing-sm) auto;
}

.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-normal);
    text-align: center;
    letter-spacing: var(--letter-spacing-wide);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.1);
    transition: var(--transition-normal);
    z-index: -1;
}

.btn:hover::before {
    width: 100%;
}

.btn-primary {
    background: var(--primary-gradient);
    color: white;
    border: none;
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.3);
}

.btn-primary:hover {
    box-shadow: 0 6px 15px rgba(37, 99, 235, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: 0 4px 10px rgba(37, 99, 235, 0.1);
}

.btn-secondary:hover {
    background-color: var(--primary-color);
    color: white;
    box-shadow: 0 6px 15px rgba(37, 99, 235, 0.3);
    transform: translateY(-2px);
}

.btn-icon {
    margin-left: var(--spacing-xs);
    transition: var(--transition-normal);
}

.btn:hover .btn-icon {
    transform: translateX(4px);
}

/* ---------- HEADER ---------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: transparent;
    backdrop-filter: blur(0);
    z-index: 1020;
    padding: var(--spacing-md) 0;
    transition: all var(--transition-normal);
}

.header.scrolled {
    background-color: rgba(248, 250, 252, 0.9);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
}

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

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

.logo-text {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--text-dark);
    letter-spacing: var(--letter-spacing-tight);
    transition: var(--transition-normal);
}

.header:not(.scrolled) .logo-text {
    color: white;
}

.logo-text .accent {
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.header.scrolled .logo-text {
    color: var(--text-dark);
    font-size: var(--font-size-xl);
}

.header .nav-menu {
    display: flex;
}

.nav-list {
    display: flex;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--text-dark);
    font-weight: 500;
    padding: 0.5rem;
    position: relative;
    transition: var(--transition-normal);
}

.header:not(.scrolled) .nav-link {
    color: white;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width var(--transition-normal), transform var(--transition-normal);
    border-radius: var(--border-radius-full);
}

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

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

.header:not(.scrolled) .nav-link:hover {
    color: var(--primary-light);
}

.hamburger {
    display: none;
    cursor: pointer;
    z-index: 1002;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    margin: 5px auto;
    background-color: var(--text-dark);
    transition: var(--transition-fast);
}

.header:not(.scrolled) .bar {
    background-color: white;
}

/* ---------- HERO SECTION (Enhanced) ---------- */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    flex-direction: column;
    background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.8)), url('https://images.unsplash.com/photo-1486406146926-c627a92ad1ab?ixlib=rb-4.0.3&ixid=M3wxMjA3fDB8MHxwaG90by1wYWdlfHx8fGVufDB8fHx8fA%3D%3D&auto=format&fit=crop&w=2070&q=80');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--text-light);
    overflow: hidden;
}

/* Logo Banner */
.logo-banner {
    width: 100%;
    background-color: rgba(255, 255, 255, 0.7);
    padding: 0.95rem 0;
    display: flex;
    justify-content: center;
    align-items: center;
    position: fixed;
    top: 0;
    left: 0;
    z-index: 1010;
}

.centered-logo {
    max-height: 100px;
    display: block;
    margin: 0 auto;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.2) 0%, rgba(15, 23, 42, 0.8) 100%);
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 100%;
    height: 100px;
    background: linear-gradient(to top, var(--bg-light), transparent);
    z-index: 1;
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 2;
    padding: var(--spacing-lg);
    margin-top: calc(96px + 1.9rem);
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.hero h1 {
    margin-bottom: var(--spacing-md);
    animation: fadeInDown 1s ease;
    color: var(--text-light);
    font-size: var(--font-size-6xl);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    background: none;
    -webkit-background-clip: initial;
    background-clip: initial;
}

.hero h1 span {
    background: linear-gradient(to right, var(--primary-light), var(--accent-light));
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
}

.hero p {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-lg);
    animation: fadeInUp 1s ease 0.3s forwards;
    opacity: 0;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    line-height: var(--line-height-relaxed);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.hero-buttons {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    animation: fadeInUp 1s ease 0.6s forwards;
    opacity: 0;
    margin-bottom: var(--spacing-lg);
}

/* Hero Navigation Styles */
.hero .nav-menu {
    margin-top: var(--spacing-xl);
}

.hero .nav-list {
    display: flex;
    justify-content: center;
    gap: var(--spacing-md);
    animation: fadeInUp 1s ease 0.9s forwards;
    opacity: 0;
}

.hero .nav-link {
    color: var(--text-light);
    font-weight: 500;
    padding: 0.5rem 1rem;
    position: relative;
    transition: var(--transition-normal);
    border-radius: var(--border-radius-md);
}

.hero .nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: width var(--transition-normal);
    border-radius: var(--border-radius-full);
}

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

.hero .nav-link:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

.hero-scroll {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: var(--text-light);
    font-size: var(--font-size-xl);
    cursor: pointer;
    animation: bounce 2s infinite;
    transition: var(--transition-normal);
}

.hero-scroll:hover {
    color: var(--primary-light);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0) translateX(-50%);
    }
    40% {
        transform: translateY(-20px) translateX(-50%);
    }
    60% {
        transform: translateY(-10px) translateX(-50%);
    }
}

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

/* ---------- ABOUT SECTION (Enhanced) ---------- */
.about {
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: -150px;
    right: -150px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.05) 0%, rgba(37, 99, 235, 0) 70%);
    border-radius: 50%;
    z-index: -1;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.about-text {
    position: relative;
}

.about-text h3 {
    margin-top: var(--spacing-lg);
    position: relative;
    display: inline-block;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-dark);
}

.about-text h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: var(--border-radius-full);
}

.about-text p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
    text-align: justify;
}

.stats-container {
    display: flex;
    justify-content: space-between;
    margin-top: var(--spacing-xl);
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.stats-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-gradient);
}

.stat-item {
    text-align: center;
    position: relative;
    padding: 0 var(--spacing-md);
}

.stat-item:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 50px;
    background-color: var(--border-color);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: inline-block;
    line-height: 1;
}

.stat-item p {
    font-size: var(--font-size-sm);
    color: var(--text-muted);
    margin-top: var(--spacing-xs);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    text-align: center;
    margin-bottom: 0;
}

.about-image {
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--primary-color);
    border-radius: var(--border-radius-lg);
    z-index: -1;
    opacity: 0.3;
}

.about-image::after {
    content: '';
    position: absolute;
    bottom: -20px;
    right: -20px;
    width: 150px;
    height: 150px;
    background: radial-gradient(circle, rgba(37, 99, 235, 0.1) 0%, rgba(37, 99, 235, 0) 70%);
    border-radius: 50%;
    z-index: -1;
}

.about-image img {
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.about-image:hover img {
    transform: scale(1.02);
    box-shadow: var(--shadow-xl);
}

/* ---------- SERVICES SECTION (Enhanced) ---------- */
.services {
    background-color: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.services::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(var(--primary-light) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.05;
    z-index: 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
    position: relative;
    z-index: 1;
}

.service-card {
    background-color: white;
    padding: var(--spacing-xl);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-normal), transform 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(226, 232, 240, 0.3);
    opacity: 1;
    transform: translateY(0);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 4px;
    height: 0;
    background: var(--primary-gradient);
    transition: height var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-xl);
}

.service-card:hover::before {
    height: 100%;
}

.service-icon {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 80px;
    height: 80px;
    background-color: rgba(37, 99, 235, 0.05);
    border-radius: var(--border-radius-full);
    margin-bottom: var(--spacing-md);
    position: relative;
    z-index: 1;
    overflow: hidden;
    transition: var(--transition-normal);
}

.service-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    opacity: 0;
    z-index: -1;
    transition: opacity var(--transition-normal);
}

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

.service-icon i {
    font-size: var(--font-size-3xl);
    color: var(--primary-color);
    transition: var(--transition-normal);
}

.service-card:hover .service-icon i {
    color: white;
}

.service-card h3 {
    margin-bottom: var(--spacing-sm);
    transition: var(--transition-normal);
}

.service-card:hover h3 {
    color: var(--primary-color);
}

.service-card p {
    color: var(--text-muted);
    margin-bottom: 0;
    transition: var(--transition-normal);
}

/* ---------- CONTACT SECTION ---------- */
.contact-content {
    display: flex;
    justify-content: center;
}

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

.contact-item {
    display: flex;
    margin-bottom: var(--spacing-lg);
}

.contact-icon {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    background-color: rgba(37, 99, 235, 0.1);
    border-radius: var(--border-radius-full);
    margin-right: var(--spacing-md);
}

.contact-icon i {
    font-size: var(--font-size-xl);
    color: var(--primary-color);
}

.contact-text h3 {
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-lg);
}

.contact-text p {
    color: var(--text-muted);
    margin-bottom: 0;
}

/* ---------- FOOTER (Enhanced) ---------- */
.footer {
    background-color: var(--secondary-dark);
    color: var(--text-light);
    padding-top: var(--spacing-xl);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-gradient);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-xl);
    padding-bottom: var(--spacing-xl);
    position: relative;
}

.footer-logo .logo-text {
    color: white;
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-2xl);
}

.footer-logo p {
    color: var(--text-muted);
    line-height: var(--line-height-relaxed);
}

.footer-links h3,
.footer-newsletter h3 {
    color: white;
    margin-bottom: var(--spacing-md);
    font-size: var(--font-size-lg);
    position: relative;
    display: inline-block;
}

.footer-links h3::after,
.footer-newsletter h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary-gradient);
    border-radius: var(--border-radius-full);
}

.footer-links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer-links ul li {
    margin-bottom: 0;
    transition: var(--transition-fast);
}

.footer-links ul li:hover {
    transform: translateX(5px);
}

.footer-links a {
    color: var(--text-muted);
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.footer-links a i {
    font-size: var(--font-size-sm);
    color: var(--primary-light);
}

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

.newsletter-form p {
    color: var(--text-muted);
    margin-bottom: var(--spacing-md);
}

.newsletter-input {
    display: flex;
    margin-top: var(--spacing-sm);
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
}

.newsletter-input input {
    flex: 1;
    padding: 14px 15px;
    border: none;
    border-radius: var(--border-radius-md) 0 0 var(--border-radius-md);
    font-family: var(--font-primary);
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-light);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.newsletter-input input:focus {
    outline: none;
    background-color: rgba(255, 255, 255, 0.1);
}

.newsletter-input input::placeholder {
    color: rgba(255, 255, 255, 0.3);
}

.newsletter-input button {
    background: var(--primary-gradient);
    color: white;
    border: none;
    padding: 0 1.5rem;
    border-radius: 0 var(--border-radius-md) var(--border-radius-md) 0;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.newsletter-input button i {
    margin-left: var(--spacing-xs);
    transition: var(--transition-fast);
}

.newsletter-input button:hover {
    background: linear-gradient(to right, var(--primary-dark), var(--primary-color));
}

.newsletter-input button:hover i {
    transform: translateX(3px);
}

.footer-bottom {
    padding: var(--spacing-md) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-sm);
    color: var(--text-muted);
}

.footer-bottom-links {
    display: flex;
    gap: var(--spacing-md);
}

.footer-bottom-links a {
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.footer-bottom-links a:hover {
    color: var(--primary-light);
}

/* ---------- BACK TO TOP BUTTON (Enhanced) ---------- */
.back-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--border-radius-full);
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 99;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.3);
    cursor: pointer;
    overflow: hidden;
}

.back-to-top::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.2);
    opacity: 0;
    transition: var(--transition-normal);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.4);
}

.back-to-top:hover::before {
    opacity: 1;
}

.back-to-top i {
    font-size: var(--font-size-lg);
    transition: var(--transition-normal);
}

.back-to-top:hover i {
    transform: translateY(-3px);
}

/* ---------- ANIMATIONS (Enhanced) ---------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes pulse {
    0% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
    100% {
        transform: scale(1);
    }
}

@keyframes float {
    0% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
    100% {
        transform: translateY(0px);
    }
}

.animate {
    animation-duration: 0.8s;
    animation-fill-mode: both;
}

.animate.fade-up {
    animation-name: fadeInUp;
}

.delay-100 {
    animation-delay: 0.1s;
}

.delay-200 {
    animation-delay: 0.2s;
}

.delay-300 {
    animation-delay: 0.3s;
}

.delay-400 {
    animation-delay: 0.4s;
}

.delay-500 {
    animation-delay: 0.5s;
}

.delay-700 {
    animation-delay: 0.7s;
}

.delay-1000 {
    animation-delay: 1s;
}

/* ---------- RESPONSIVE DESIGN (Enhanced) ---------- */
@media (max-width: 1200px) {
    :root {
        --font-size-5xl: 2.75rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
    }
    
    .container {
        padding: 0 var(--spacing-lg);
    }
    
    .stats-container {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stat-item {
        margin-bottom: var(--spacing-md);
        flex: 1 0 45%;
    }
}

@media (max-width: 1024px) {
    h1 {
        font-size: var(--font-size-4xl);
    }
    
    h2 {
        font-size: var(--font-size-3xl);
    }
    
    .section {
        padding: var(--spacing-xl) 0;
    }
    
    .hero h1 {
        font-size: var(--font-size-5xl);
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }
    
    .about-image {
        grid-row: 1;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .services-grid {
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.5rem;
        --font-size-4xl: 2rem;
        --font-size-3xl: 1.75rem;
        --font-size-2xl: 1.25rem;
        --spacing-xxl: 4rem;
    }
    
    .hamburger {
        display: block;
    }
    
    .hamburger.active .bar:nth-child(1) {
        transform: translateY(8px) rotate(45deg);
    }
    
    .hamburger.active .bar:nth-child(2) {
        opacity: 0;
    }
    
    .hamburger.active .bar:nth-child(3) {
        transform: translateY(-8px) rotate(-45deg);
    }
    
    .header .nav-menu {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background-color: rgba(15, 23, 42, 0.95);
        backdrop-filter: blur(10px);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        z-index: 1000;
        transition: right 0.3s ease;
        box-shadow: var(--shadow-lg);
    }
    
    .header .nav-menu.active {
        right: 0;
    }
    
    .header .nav-list {
        flex-direction: column;
        gap: var(--spacing-xl);
        align-items: center;
    }
    
    /* Mobile menu links should always be light colored */
    .header .nav-menu .nav-link {
        color: var(--text-light) !important;
        font-size: var(--font-size-lg);
    }
    
    /* Hide hero navigation on mobile */
    .hero .nav-menu {
        display: none;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
    }
    
    .stats-container {
        padding: var(--spacing-md);
    }
    
    .stat-item {
        flex: 0 0 100%;
        padding: var(--spacing-sm) 0;
    }
    
    .stat-item:not(:last-child)::after {
        display: none;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-sm);
        text-align: center;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
        max-width: 450px;
        margin: 0 auto;
    }
    
    .logo-banner {
        padding: 0.65rem 0;
    }
    
    .centered-logo {
        max-height: 72px;
    }
    
    .hero-content {
        margin-top: calc(64px + 1.3rem);
    }
}

@media (max-width: 576px) {
    :root {
        --font-size-5xl: 2.25rem;
        --font-size-4xl: 1.875rem;
        --font-size-3xl: 1.5rem;
        --font-size-2xl: 1.25rem;
        --spacing-xl: 2.5rem;
        --spacing-xxl: 3.5rem;
    }
    
    h1 {
        font-size: var(--font-size-3xl);
    }
    
    h2 {
        font-size: var(--font-size-2xl);
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .section-header {
        margin-bottom: var(--spacing-lg);
    }
    
    .hero {
        min-height: 500px;
    }
    
    .hero-content {
        padding: var(--spacing-md);
    }
    
    .hero h1 {
        font-size: var(--font-size-4xl);
    }
    
    .hero p {
        font-size: var(--font-size-md);
    }
    
    .about-content {
        gap: var(--spacing-lg);
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .footer-bottom-links {
        flex-direction: column;
        gap: var(--spacing-xs);
    }
    
    .back-to-top {
        width: 40px;
        height: 40px;
        bottom: 20px;
        right: 20px;
    }
}

/* ---------- FORM MESSAGES ---------- */
.form-message {
    padding: var(--spacing-sm);
    margin-top: var(--spacing-sm);
    border-radius: var(--border-radius-md);
    font-size: var(--font-size-sm);
    animation: fadeIn 0.3s ease;
    text-align: center;
}

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

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

/* ---------- POLICY PAGES (Privacy Policy & Terms of Service) ---------- */
.privacy-policy,
.terms-of-service {
    padding-top: 120px;
    background-color: var(--bg-light);
}

.policy-content {
    max-width: 900px;
    margin: 0 auto;
    background-color: white;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: var(--spacing-xl);
}

.policy-section {
    margin-bottom: var(--spacing-xl);
}

.policy-section:last-child {
    margin-bottom: 0;
}

.policy-section h3 {
    color: var(--primary-dark);
    margin-bottom: var(--spacing-sm);
    font-size: var(--font-size-xl);
    position: relative;
    display: inline-block;
}

.policy-section h3::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--primary-gradient);
    border-radius: var(--border-radius-full);
}

.policy-list {
    margin-left: var(--spacing-md);
    margin-top: var(--spacing-sm);
}

.policy-list li {
    margin-bottom: var(--spacing-sm);
    position: relative;
    padding-left: var(--spacing-md);
}

.policy-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--primary-color);
}

@media (max-width: 768px) {
    .policy-content {
        padding: var(--spacing-md);
    }
    
    .privacy-policy,
    .terms-of-service {
        padding-top: 100px;
    }
}

@media (max-width: 576px) {
    .policy-content {
        padding: var(--spacing-sm);
    }
    
    .policy-section {
        margin-bottom: var(--spacing-lg);
    }
}