/* ===== CSS VARIABLES ===== */
:root {
    --primary-blue: #003366;
    --primary-yellow: #FFD700;
    --secondary-blue: #0066CC;
    --dark-blue: #001A33;
    --light-blue: #E6F3FF;
    --accent-orange: #FF8C00;
    --gray-50: #F9FAFB;
    --gray-100: #F3F4F6;
    --gray-200: #E5E7EB;
    --gray-300: #D1D5DB;
    --gray-400: #9CA3AF;
    --gray-500: #6B7280;
    --gray-600: #4B5563;
    --gray-700: #374151;
    --gray-800: #1F2937;
    --gray-900: #111827;
    --white: #FFFFFF;
    --black: #000000;
    --success: #10B981;
    --warning: #F59E0B;
    --error: #EF4444;
    
    /* Enhanced Shadows */
    --shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --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 15px -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-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.06);
    
    /* Advanced Gradients */
    --gradient-primary: linear-gradient(135deg, var(--primary-blue) 0%, var(--secondary-blue) 100%);
    --gradient-accent: linear-gradient(135deg, var(--primary-yellow) 0%, #FFA500 100%);
    --gradient-hero: linear-gradient(135deg, #001A33 0%, #003366 30%, #0066CC 70%, #4A90E2 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    
    /* Enhanced Transitions */
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Border radius */
    --radius-xs: 0.125rem;
    --radius-sm: 0.25rem;
    --radius-md: 0.375rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-3xl: 1.5rem;
    --radius-4xl: 2rem;
    
    /* Container sizes */
    --container-sm: 640px;
    --container-md: 768px;
    --container-lg: 1024px;
    --container-xl: 1280px;
    --container-2xl: 1536px;
}

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

*::before,
*::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    line-height: 1.6;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--gray-800);
    background-color: var(--white);
    overflow-x: hidden;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

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

/* ===== UTILITY CLASSES ===== */
.container {
    width: 100%;
    max-width: var(--container-xl);
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container { padding: 0 1.5rem; }
}

@media (min-width: 1024px) {
    .container { padding: 0 2rem; }
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-highlight { color: var(--primary-yellow); }

.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }
.font-black { font-weight: 900; }

.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }

.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none; }

.items-center { align-items: center; }
.items-start { align-items: flex-start; }
.items-end { align-items: flex-end; }

.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-start { justify-content: flex-start; }
.justify-end { justify-content: flex-end; }

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }

.w-full { width: 100%; }
.h-full { height: 100%; }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-2xl { border-radius: var(--radius-2xl); }
.rounded-3xl { border-radius: var(--radius-3xl); }
.rounded-full { border-radius: 9999px; }

/* ===== ENHANCED BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.875rem 1.75rem;
    font-weight: 600;
    border-radius: var(--radius-xl);
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: var(--transition-normal);
    font-size: 1rem;
    line-height: 1.5;
    white-space: nowrap;
    user-select: none;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 0.025em;
    font-family: 'Poppins', sans-serif;
    box-shadow: var(--shadow-md);
}

.btn:before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: var(--transition-slow);
}

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

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

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    filter: brightness(1.1);
}

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

.btn-secondary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    filter: brightness(1.1);
}

.btn-outline {
    background: transparent;
    color: var(--primary-blue);
    border: 2px solid var(--primary-blue);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: var(--white);
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.btn-ghost {
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(20px);
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: var(--primary-yellow);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1.125rem 2.25rem;
    font-size: 1.125rem;
    border-radius: var(--radius-2xl);
}

.btn-sm {
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
    border-radius: var(--radius-lg);
}

.btn-xs {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
    border-radius: var(--radius-md);
}

/* ===== ENHANCED HEADER ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--gray-200);
    transition: var(--transition-normal);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-lg);
    border-bottom-color: var(--primary-yellow);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 5.5rem;
    padding: 0 1rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    text-decoration: none;
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
    font-size: 1.75rem;
    color: var(--primary-blue);
    transition: var(--transition-normal);
    position: relative;
}

.logo:hover {
    transform: scale(1.05);
}

.logo-image {
    width: 3.5rem;
    height: 3.5rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: var(--transition-normal);
    background: var(--white);
    padding: 0.25rem;
}

.logo:hover .logo-image {
    box-shadow: var(--shadow-xl);
    transform: rotate(5deg);
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-subtitle {
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--primary-yellow);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

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

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 600;
    padding: 0.75rem 0;
    position: relative;
    transition: var(--transition-normal);
    font-family: 'Poppins', sans-serif;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.025em;
}

.nav-link:after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 3px;
    background: var(--gradient-accent);
    transition: var(--transition-normal);
    transform: translateX(-50%);
    border-radius: var(--radius-full);
}

.nav-link:hover {
    color: var(--primary-blue);
    transform: translateY(-2px);
}

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 0.375rem;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.75rem;
    border-radius: var(--radius-lg);
    transition: var(--transition-normal);
}

.mobile-menu-btn:hover {
    background: var(--gray-100);
}

.mobile-menu-btn span {
    width: 1.75rem;
    height: 3px;
    background: var(--primary-blue);
    transition: var(--transition-normal);
    border-radius: var(--radius-full);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

.mobile-menu {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-top: 1px solid var(--gray-200);
    box-shadow: var(--shadow-2xl);
    padding: 2rem 1rem;
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
}

.mobile-menu.active {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.mobile-nav {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.mobile-nav .nav-link {
    padding: 1rem;
    border-radius: var(--radius-lg);
    background: var(--gray-50);
    text-align: center;
    font-size: 1rem;
}

/* ===== ENHANCED HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: var(--gradient-hero);
    color: var(--white);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url("data:image/svg+xml,%3Csvg width='80' height='80' viewBox='0 0 80 80' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23FFD700' fill-opacity='0.03'%3E%3Ccircle cx='40' cy='40' r='6'/%3E%3Cpath d='M40 20c11.046 0 20 8.954 20 20s-8.954 20-20 20-20-8.954-20-20 8.954-20 20-20zm0 4c-8.837 0-16 7.163-16 16s7.163 16 16 16 16-7.163 16-16-7.163-16-16-16z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    animation: float 30s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-20px) rotate(90deg); }
    50% { transform: translateY(-10px) rotate(180deg); }
    75% { transform: translateY(-30px) rotate(270deg); }
}

.hero-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
    padding: 8rem 0 4rem;
}

@media (min-width: 1024px) {
    .hero-content {
        grid-template-columns: 1.3fr 1fr;
        gap: 5rem;
    }
}

.hero-text h1 {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(2.75rem, 6vw, 4.5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 2rem;
    text-shadow: 0 4px 8px rgba(0,0,0,0.3);
}

.hero-text .subtitle {
    font-size: 1.375rem;
    font-weight: 500;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.7;
    text-shadow: 0 2px 4px rgba(0,0,0,0.2);
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-3xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: 'Poppins', sans-serif;
    font-size: 2.5rem;
    font-weight: 900;
    color: var(--primary-yellow);
    display: block;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
    margin-top: 0.5rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.hero-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 3rem;
}

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

.hero-avatar {
    position: relative;
    max-width: 400px;
    width: 100%;
}

.avatar-container {
    position: relative;
    border-radius: var(--radius-4xl);
    overflow: hidden;
    box-shadow: var(--shadow-2xl);
    background: var(--gradient-glass);
    backdrop-filter: blur(20px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition-slow);
    animation: avatarFloat 6s ease-in-out infinite;
}

@keyframes avatarFloat {
    0%, 100% { transform: translateY(0px) scale(1); }
    50% { transform: translateY(-20px) scale(1.02); }
}

.avatar-container:hover {
    transform: scale(1.05) !important;
    box-shadow: var(--shadow-2xl);
}

.avatar-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: var(--radius-4xl);
    box-shadow: var(--shadow-2xl);
    animation: avatarFloat 6s ease-in-out infinite;
}

.floating-elements {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(30px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-2xl);
    padding: 1.5rem;
    color: var(--white);
    box-shadow: var(--shadow-xl);
    animation: floatCard 8s ease-in-out infinite;
    min-width: 200px;
}

.floating-card:nth-child(1) {
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    top: 60%;
    right: -15%;
    animation-delay: 2.5s;
}

.floating-card:nth-child(3) {
    bottom: 15%;
    left: -5%;
    animation-delay: 5s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    25% { transform: translateY(-25px) rotate(2deg); }
    50% { transform: translateY(-15px) rotate(-1deg); }
    75% { transform: translateY(-35px) rotate(1deg); }
}

.floating-card .card-icon {
    font-size: 2rem;
    color: var(--primary-yellow);
    margin-bottom: 0.75rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.floating-card h4 {
    font-weight: 700;
    margin-bottom: 0.5rem;
    font-family: 'Poppins', sans-serif;
}

.floating-card p {
    font-size: 0.875rem;
    opacity: 0.9;
    line-height: 1.5;
}

/* ===== ENHANCED TRUST INDICATORS ===== */
.trust-section {
    background: var(--white);
    padding: 4rem 0;
    border-bottom: 1px solid var(--gray-200);
    position: relative;
}

.trust-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-accent);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    align-items: center;
}

.trust-item {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    padding: 2rem;
    border-radius: var(--radius-2xl);
    transition: var(--transition-normal);
    background: var(--gray-50);
    border: 2px solid transparent;
}

.trust-item:hover {
    background: var(--white);
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-yellow);
}

.trust-icon {
    width: 4rem;
    height: 4rem;
    background: var(--gradient-accent);
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary-blue);
    flex-shrink: 0;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.trust-item:hover .trust-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: var(--shadow-2xl);
}

.trust-text h4 {
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 0.5rem;
    font-family: 'Poppins', sans-serif;
    font-size: 1.125rem;
}

.trust-text p {
    font-size: 0.875rem;
    color: var(--gray-600);
    line-height: 1.6;
}

/* ===== ENHANCED ABOUT SECTION ===== */
.about-section {
    padding: 8rem 0;
    background: var(--gray-50);
    position: relative;
    overflow: hidden;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    right: -50%;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(255,215,0,0.05) 0%, transparent 70%);
    pointer-events: none;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 5rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

@media (min-width: 1024px) {
    .about-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.about-content h2 {
    font-family: 'Poppins', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-blue);
    margin-bottom: 2rem;
    line-height: 1.2;
    position: relative;
}

.about-content h2::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 100px;
    height: 4px;
    background: var(--gradient-accent);
    border-radius: var(--radius-full);
}

.about-content p {
    font-size: 1.1875rem;
    color: var(--gray-600);
    margin-bottom: 1.75rem;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.feature-card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-lg);
    text-align: center;
    transition: var(--transition-normal);
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,215,0,0.1), transparent);
    transition: var(--transition-slow);
}

.feature-card:hover::before {
    left: 100%;
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-yellow);
}

.feature-icon {
    width: 5rem;
    height: 5rem;
    background: var(--gradient-accent);
    border-radius: var(--radius-3xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--primary-blue);
    margin: 0 auto 2rem;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-normal);
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(10deg);
    box-shadow: var(--shadow-2xl);
}

.feature-card h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 1.375rem;
    font-weight: 700;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 1rem;
}

/* ===== ENHANCED PRODUCTS SECTION ===== */
.products-section {
    padding: 8rem 0;
    background: var(--white);
    position: relative;
}

.section-header {