/* ============================================
   CSS Custom Properties (Design System)
   ============================================ */
:root {
    /* Colors - Based on logo */
    --color-primary: #1e5a8e;
    --color-primary-light: #2a7bc4;
    --color-primary-dark: #0f2d44;
    --color-secondary: #5a9367;
    --color-secondary-light: #7ab587;
    --color-accent: #e8a84d;
    --color-accent-light: #f4c97d;
    
    /* Neutrals */
    --color-white: #ffffff;
    --color-light: #f8f9fa;
    --color-gray-100: #e9ecef;
    --color-gray-200: #dee2e6;
    --color-gray-300: #ced4da;
    --color-gray-600: #6c757d;
    --color-gray-800: #343a40;
    --color-dark: #212529;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Font Sizes */
    --text-xs: 0.75rem;
    --text-sm: 0.875rem;
    --text-base: 1rem;
    --text-lg: 1.125rem;
    --text-xl: 1.25rem;
    --text-2xl: 1.5rem;
    --text-3xl: 1.875rem;
    --text-4xl: 2.25rem;
    --text-5xl: 3rem;
    --text-6xl: 3.75rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    --radius-full: 9999px;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
    
    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal: 1040;
    --z-popover: 1050;
    --z-tooltip: 1060;
}

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

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

body {
    font-family: var(--font-body);
    color: var(--color-dark);
    background-color: var(--color-white);
    line-height: 1.6;
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
}

ul {
    list-style: none;
}

/* ============================================
   Utility Classes
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.section-title {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--space-4);
    color: var(--color-primary-dark);
}

.section-subtitle {
    font-size: var(--text-lg);
    text-align: center;
    color: var(--color-gray-600);
    margin-bottom: var(--space-12);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: var(--z-sticky);
    transition: all var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--space-4);
    padding-bottom: var(--space-4);
}

.logo-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.logo {
    height: 50px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 700;
    color: var(--color-primary);
}

.nav-menu {
    display: flex;
    gap: var(--space-8);
    align-items: center;
}

.nav-link {
    font-weight: 500;
    color: var(--color-gray-800);
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

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

.nav-cta {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    padding: var(--space-2) var(--space-5);
    border-radius: var(--radius-full);
    font-weight: 600;
}

.nav-cta::after {
    display: none;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    background: transparent;
    padding: var(--space-2);
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    border-radius: var(--radius-sm);
    transition: all var(--transition-base);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        var(--color-primary-dark) 0%, 
        var(--color-primary) 50%, 
        var(--color-secondary) 100%);
    opacity: 0.05;
    z-index: -1;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 800px;
    height: 800px;
    background: radial-gradient(circle, var(--color-accent) 0%, transparent 70%);
    opacity: 0.1;
    animation: float 20s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--color-secondary) 0%, transparent 70%);
    opacity: 0.1;
    animation: float 15s ease-in-out infinite reverse;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    33% { transform: translate(30px, -30px) rotate(5deg); }
    66% { transform: translate(-20px, 20px) rotate(-5deg); }
}

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

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: var(--text-5xl);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--space-6);
    color: var(--color-primary-dark);
}

.highlight {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--color-gray-600);
    margin-bottom: var(--space-8);
    line-height: 1.8;
}

.hero-cta {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    margin-bottom: var(--space-12);
    flex-wrap: wrap;
}

.btn {
    padding: var(--space-4) var(--space-8);
    border-radius: var(--radius-lg);
    font-weight: 600;
    font-size: var(--text-base);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-base);
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: var(--color-white);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

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

.btn-secondary:hover {
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-large {
    padding: var(--space-5) var(--space-12);
    font-size: var(--text-lg);
}

.trust-indicators {
    display: flex;
    justify-content: center;
    gap: var(--space-12);
    flex-wrap: wrap;
}

.trust-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.trust-number {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-primary);
}

.trust-label {
    font-size: var(--text-sm);
    color: var(--color-gray-600);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ============================================
   Problem Section
   ============================================ */
.problem-section {
    padding: var(--space-20) 0;
    background: var(--color-light);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-6);
}

.problem-card {
    background: var(--color-white);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.problem-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.problem-icon {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-4);
}

.problem-card h3 {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-primary-dark);
}

.problem-card p {
    color: var(--color-gray-600);
    line-height: 1.7;
}

/* ============================================
   Solution Section
   ============================================ */
.solution-section {
    padding: var(--space-20) 0;
}

.solution-content {
    max-width: 900px;
    margin: 0 auto;
}

.solution-item {
    display: flex;
    gap: var(--space-6);
    margin-bottom: var(--space-10);
    align-items: flex-start;
}

.solution-number {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 700;
    color: var(--color-accent);
    opacity: 0.3;
    flex-shrink: 0;
}

.solution-details h3 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-primary-dark);
}

.solution-details p {
    color: var(--color-gray-600);
    line-height: 1.8;
}

/* ============================================
   Services Section
   ============================================ */
.services-section {
    padding: var(--space-20) 0;
    background: linear-gradient(180deg, var(--color-white) 0%, var(--color-light) 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--space-8);
}

.service-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: var(--space-8);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-base);
    position: relative;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    background: rgba(255, 255, 255, 0.9);
}

.service-card.featured {
    border: 2px solid var(--color-accent);
    background: linear-gradient(135deg, rgba(232, 168, 77, 0.1), rgba(255, 255, 255, 0.9));
}

.featured-badge {
    position: absolute;
    top: var(--space-4);
    right: var(--space-4);
    background: var(--color-accent);
    color: var(--color-white);
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-icon {
    font-size: var(--text-5xl);
    margin-bottom: var(--space-4);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: var(--text-2xl);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--color-primary-dark);
}

.service-card > p {
    color: var(--color-gray-600);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: var(--space-2) 0;
    padding-left: var(--space-6);
    position: relative;
    color: var(--color-gray-600);
}

.service-features li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--color-secondary);
    font-weight: 700;
}

/* ============================================
   Why Us Section
   ============================================ */
.why-us-section {
    padding: var(--space-20) 0;
    background: var(--color-primary-dark);
    color: var(--color-white);
}

.why-us-section .section-title {
    color: var(--color-white);
}

.why-us-section .section-subtitle {
    color: var(--color-gray-300);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-8);
}

.why-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-8);
    border-radius: var(--radius-xl);
    transition: all var(--transition-base);
}

.why-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.why-icon {
    font-size: var(--text-4xl);
    color: var(--color-accent);
    margin-bottom: var(--space-4);
}

.why-card h3 {
    font-family: var(--font-heading);
    font-size: var(--text-xl);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-white);
}

.why-card p {
    color: var(--color-gray-300);
    line-height: 1.7;
}

/* ============================================
   CTA Section
   ============================================ */
.cta-section {
    padding: var(--space-24) 0;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    text-align: center;
}

.cta-content h2 {
    font-family: var(--font-heading);
    font-size: var(--text-4xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
}

.cta-content > p {
    font-size: var(--text-xl);
    margin-bottom: var(--space-8);
    opacity: 0.95;
}

.cta-note {
    margin-top: var(--space-4);
    font-size: var(--text-sm);
    opacity: 0.8;
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-primary-dark);
    color: var(--color-white);
    padding: var(--space-16) 0 var(--space-8);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-logo {
    height: 60px;
    width: auto;
    margin-bottom: var(--space-4);
}

.footer-tagline {
    color: var(--color-gray-300);
    line-height: 1.7;
}

.footer-links h4,
.footer-contact h4 {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: 600;
    margin-bottom: var(--space-4);
    color: var(--color-accent);
}

.footer-links ul li {
    margin-bottom: var(--space-2);
}

.footer-links a:hover,
.footer-contact a:hover {
    color: var(--color-accent);
}

.footer-contact p {
    margin-bottom: var(--space-2);
    color: var(--color-gray-300);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--space-8);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-gray-300);
}

/* ============================================
   Floating CTA Button
   ============================================ */
.floating-cta {
    position: fixed;
    bottom: var(--space-8);
    right: var(--space-8);
    background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
    color: var(--color-white);
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-full);
    font-weight: 700;
    box-shadow: var(--shadow-2xl);
    z-index: var(--z-fixed);
    animation: pulse 2s ease-in-out infinite;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.floating-cta.visible {
    opacity: 1;
    visibility: visible;
}

.floating-cta:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 30px 60px -15px rgba(0, 0, 0, 0.3);
}

@keyframes pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(232, 168, 77, 0.7); }
    50% { box-shadow: 0 0 0 15px rgba(232, 168, 77, 0); }
}

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background: var(--color-white);
        width: 100%;
        padding: var(--space-8);
        box-shadow: var(--shadow-lg);
        transition: left var(--transition-base);
        gap: var(--space-4);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .mobile-menu-toggle {
        display: flex;
    }
    
    .mobile-menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .mobile-menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .mobile-menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }
    
    .hero-title {
        font-size: var(--text-3xl);
    }
    
    .hero-subtitle {
        font-size: var(--text-base);
    }
    
    .section-title {
        font-size: var(--text-3xl);
    }
    
    .trust-indicators {
        gap: var(--space-6);
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
    }
    
    .solution-item {
        flex-direction: column;
        gap: var(--space-4);
    }
    
    .floating-cta {
        bottom: var(--space-4);
        right: var(--space-4);
        padding: var(--space-3) var(--space-5);
        font-size: var(--text-sm);
    }
}

@media (max-width: 480px) {
    .logo-text {
        font-size: var(--text-base);
    }
    
    .hero-title {
        font-size: var(--text-2xl);
    }
    
    .section-title {
        font-size: var(--text-2xl);
    }
    
    .trust-number {
        font-size: var(--text-3xl);
    }
}

/* ============================================
   Animations & Scroll Effects
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ============================================
   Custom Scrollbar
   ============================================ */
::-webkit-scrollbar {
    width: 10px;
}

::-webkit-scrollbar-track {
    background: var(--color-light);
}

::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary-dark);
}