/* ================================
   EAO International Trade - Premium Styles
   ================================ */

/* Reset and Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Primary Colors */
    --primary-900: #0c1e47;
    --primary-800: #1e3a8a;
    --primary-700: #1e40af;
    --primary-600: #2563eb;
    --primary-500: #3b82f6;
    --primary-400: #60a5fa;
    --primary-300: #93c5fd;
    --primary-200: #bfdbfe;
    --primary-100: #dbeafe;
    
    /* Neutrals */
    --gray-900: #0f172a;
    --gray-800: #1e293b;
    --gray-700: #334155;
    --gray-600: #475569;
    --gray-500: #64748b;
    --gray-400: #94a3b8;
    --gray-300: #cbd5e1;
    --gray-200: #e2e8f0;
    --gray-100: #f1f5f9;
    --gray-50: #f8fafc;
    
    /* Accent Colors */
    --accent-gold: #fbbf24;
    --accent-green: #10b981;
    --accent-purple: #8b5cf6;
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 50%, #60a5fa 100%);
    --gradient-primary-hover: linear-gradient(135deg, #1e40af 0%, #2563eb 50%, #3b82f6 100%);
    --gradient-dark: linear-gradient(135deg, #0c1e47 0%, #1e3a8a 50%, #2563eb 100%);
    --gradient-light: linear-gradient(135deg, #dbeafe 0%, #bfdbfe 50%, #93c5fd 100%);
    --gradient-overlay: linear-gradient(135deg, rgba(30, 58, 138, 0.95) 0%, rgba(59, 130, 246, 0.9) 100%);
    
    /* 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 -1px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.05);
    
    /* Transitions */
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: all 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-2xl: 32px;
    --radius-full: 9999px;
    
    /* Spacing */
    --spacing-xs: 8px;
    --spacing-sm: 12px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    --spacing-2xl: 48px;
    --spacing-3xl: 64px;
}

/* Global Styles */
html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
    line-height: 1.6;
    color: var(--gray-700);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: var(--gray-50);
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

@media (max-width: 640px) {
    .container {
        padding: 0 16px;
    }
}

/* Selection */
::selection {
    background: var(--primary-500);
    color: white;
}

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

::-webkit-scrollbar-track {
    background: var(--gray-100);
}

::-webkit-scrollbar-thumb {
    background: var(--primary-400);
    border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary-500);
}

/* ================================
   BUTTONS
   ================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 32px;
    border-radius: var(--radius-lg);
    text-decoration: none;
    font-weight: 600;
    font-size: 16px;
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    letter-spacing: 0.3px;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-lg), 0 0 20px rgba(59, 130, 246, 0.3);
    position: relative;
    z-index: 1;
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl), 0 0 30px rgba(59, 130, 246, 0.4);
}

.btn-primary:active {
    transform: translateY(-1px);
}

.btn-secondary {
    background: white;
    color: var(--primary-600);
    border: 2px solid var(--primary-500);
    box-shadow: var(--shadow-md);
}

.btn-secondary:hover {
    background: var(--primary-50);
    border-color: var(--primary-600);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-white {
    background: white;
    color: var(--primary-600);
    box-shadow: var(--shadow-lg);
}

.btn-white:hover {
    background: var(--gray-50);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

.btn-large {
    padding: 18px 40px;
    font-size: 18px;
    border-radius: var(--radius-xl);
}

/* ================================
   NAVIGATION
   ================================ */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(226, 232, 240, 0.5);
    z-index: 1000;
    transition: var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-lg);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1px 24px;
}

.nav-logo .logo-img {
    height: 75px;
    width: auto;
    transition: var(--transition-base);
}

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

.nav-menu {
    display: flex;
    gap: 40px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--gray-700);
    font-weight: 500;
    font-size: 15px;
    transition: var(--transition-base);
    position: relative;
    padding: 8px 0;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-primary);
    border-radius: var(--radius-full);
    transition: var(--transition-base);
}

.nav-link:hover {
    color: var(--primary-600);
}

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

.nav-cta .btn {
    padding: 10px 24px;
    font-size: 14px;
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    border-radius: var(--radius-sm);
    transition: var(--transition-base);
}

.hamburger:hover {
    background: var(--gray-100);
}

.hamburger span {
    width: 26px;
    height: 3px;
    background: var(--primary-600);
    transition: var(--transition-base);
    border-radius: var(--radius-full);
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translateY(10px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translateY(-10px);
}

/* ================================
   HERO SECTION
   ================================ */

.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: 100px;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-dark);
    z-index: -2;
}

.hero-background::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 20% 50%, rgba(59, 130, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(147, 197, 253, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 20%, rgba(30, 58, 138, 0.15) 0%, transparent 50%);
    animation: float 20s ease-in-out infinite;
}

.hero-background::after {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    top: -50%;
    left: -50%;
    background: 
        repeating-linear-gradient(
            90deg,
            transparent,
            transparent 2px,
            rgba(96, 165, 250, 0.03) 2px,
            rgba(96, 165, 250, 0.03) 4px
        ),
        repeating-linear-gradient(
            0deg,
            transparent,
            transparent 2px,
            rgba(96, 165, 250, 0.03) 2px,
            rgba(96, 165, 250, 0.03) 4px
        );
    animation: moveGrid 30s linear infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.1); }
    66% { transform: translate(-20px, 20px) scale(0.9); }
}

@keyframes moveGrid {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

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

.hero-content {
    text-align: center;
    color: white;
    max-width: 1000px;
    margin: 0 auto;
    animation: fadeInUp 1s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 24px;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: 32px;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-lg);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.05); opacity: 0.9; }
}

.hero-title {
    font-size: clamp(40px, 8vw, 80px);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 20px;
    letter-spacing: -2px;
}

.gradient-text {
    background: linear-gradient(135deg, #ffffff 0%, #93c5fd 50%, #dbeafe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    display: inline-block;
}

.gradient-text::after {
    content: attr(data-text);
    position: absolute;
    left: 0;
    top: 0;
    z-index: -1;
    background: linear-gradient(135deg, #60a5fa 0%, #3b82f6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: blur(20px);
    opacity: 0.5;
}

.hero-subtitle {
    font-size: clamp(24px, 4vw, 36px);
    font-weight: 700;
    margin-bottom: 24px;
    opacity: 0.95;
    letter-spacing: -0.5px;
}

.hero-description {
    font-size: clamp(16px, 2vw, 20px);
    line-height: 1.8;
    margin-bottom: 48px;
    opacity: 0.9;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-bottom: 80px;
    flex-wrap: wrap;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 80px;
    padding-top: 48px;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
    flex-wrap: wrap;
}

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

.stat-item::before {
    content: '';
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background: var(--gradient-light);
    border-radius: var(--radius-full);
}

.stat-number {
    font-size: clamp(40px, 6vw, 56px);
    font-weight: 800;
    margin-bottom: 8px;
    background: linear-gradient(135deg, #ffffff 0%, #93c5fd 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-weight: 600;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-15px); }
    60% { transform: translateX(-50%) translateY(-8px); }
}

.mouse {
    width: 28px;
    height: 45px;
    border: 3px solid rgba(255, 255, 255, 0.4);
    border-radius: var(--radius-xl);
    display: flex;
    justify-content: center;
    padding-top: 10px;
    backdrop-filter: blur(5px);
}

.wheel {
    width: 4px;
    height: 10px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: var(--radius-full);
    animation: scroll 1.5s infinite;
}

@keyframes scroll {
    0% { opacity: 1; transform: translateY(0); }
    100% { opacity: 0; transform: translateY(15px); }
}

/* ================================
   SECTIONS
   ================================ */

section {
    padding: 120px 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto 80px;
}

.section-badge {
    display: inline-block;
    padding: 8px 20px;
    background: var(--gradient-light);
    color: var(--primary-700);
    border-radius: var(--radius-full);
    font-size: 13px;
    font-weight: 700;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    box-shadow: var(--shadow-md);
}

.section-title {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 900;
    color: var(--gray-900);
    margin-bottom: 24px;
    line-height: 1.2;
    letter-spacing: -1px;
}

.section-description {
    font-size: clamp(16px, 2vw, 20px);
    color: var(--gray-600);
    line-height: 1.8;
}

/* ================================
   ABOUT SECTION
   ================================ */

.about {
    background: white;
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    right: -100px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.about-content {
    max-width: 1000px;
    margin: 0 auto;
}

.about-text p {
    font-size: clamp(16px, 2vw, 19px);
    line-height: 1.9;
    color: var(--gray-600);
    margin-bottom: 48px;
}

.about-features {
    display: grid;
    gap: 32px;
}

.feature-item {
    display: flex;
    gap: 24px;
    align-items: flex-start;
    padding: 40px;
    background: linear-gradient(135deg, #ffffff 0%, #f8fafc 100%);
    border-radius: var(--radius-xl);
    border: 1px solid var(--gray-200);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

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

.feature-item:hover::before {
    opacity: 0.03;
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-200);
}

.feature-icon {
    font-size: 56px;
    flex-shrink: 0;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    position: relative;
    z-index: 1;
}

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

.feature-content h4 {
    font-size: 26px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 12px;
    letter-spacing: -0.5px;
}

.feature-content p {
    color: var(--gray-600);
    margin: 0;
    font-size: 17px;
    line-height: 1.7;
}

/* ================================
   SERVICES SECTION
   ================================ */

.services {
    background: linear-gradient(180deg, var(--gray-50) 0%, white 100%);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(380px, 1fr));
    gap: 40px;
}

.service-card {
    background: white;
    padding: 48px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    transition: var(--transition-base);
    position: relative;
    border: 1px solid var(--gray-200);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-slow);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-300);
}

.service-card.featured {
    background: var(--gradient-primary);
    color: white;
    grid-column: 1 / -1;
    border: none;
    position: relative;
    overflow: hidden;
}

.service-card.featured::before {
    display: none;
}

.service-card.featured::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: rotate 30s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.featured-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-full);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    box-shadow: var(--shadow-md);
    z-index: 10;
}

.service-icon {
    font-size: 64px;
    margin-bottom: 24px;
    filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.1));
    position: relative;
    z-index: 10;
}

.service-card h3 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 20px;
    letter-spacing: -0.5px;
    position: relative;
    z-index: 10;
}

.service-card p {
    font-size: 17px;
    line-height: 1.8;
    margin-bottom: 28px;
    opacity: 0.9;
    position: relative;
    z-index: 10;
}

.service-features {
    list-style: none;
    position: relative;
    z-index: 10;
}

.service-features li {
    padding: 16px 0;
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
    display: flex;
    align-items: center;
    font-size: 16px;
    transition: var(--transition-base);
}

.service-features li:hover {
    padding-left: 8px;
}

.service-card.featured .service-features li {
    border-color: rgba(255, 255, 255, 0.2);
}

.service-features li::before {
    content: '✓';
    margin-right: 14px;
    font-weight: 700;
    font-size: 18px;
    color: var(--primary-500);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--primary-100);
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.service-card.featured .service-features li::before {
    color: white;
    background: rgba(255, 255, 255, 0.2);
}

.service-phases {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-top: 40px;
    position: relative;
    z-index: 10;
}

.phase {
    padding: 32px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-base);
}

.phase:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.phase h4 {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 20px;
    padding-bottom: 16px;
    border-bottom: 3px solid rgba(255, 255, 255, 0.3);
    letter-spacing: -0.5px;
}

.phase ul {
    list-style: none;
}

.phase li {
    padding: 12px 0;
    font-size: 15px;
    opacity: 0.95;
    line-height: 1.6;
    transition: var(--transition-base);
}

.phase li:hover {
    padding-left: 8px;
}

.phase li::before {
    content: '→';
    margin-right: 12px;
    opacity: 0.7;
    font-weight: 600;
}

/* ================================
   WHY US SECTION
   ================================ */

.why-us {
    background: var(--gray-50);
    position: relative;
}

.why-us::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 300px;
    background: linear-gradient(to top, white 0%, transparent 100%);
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
    position: relative;
    z-index: 1;
}

.benefit-card {
    background: white;
    padding: 48px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    text-align: center;
    border: 2px solid transparent;
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-slow);
}

.benefit-card:hover::before {
    left: 0;
    opacity: 0.05;
}

.benefit-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-300);
}

.benefit-icon {
    font-size: 56px;
    margin-bottom: 24px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    position: relative;
    z-index: 1;
}

.benefit-card h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
    position: relative;
    z-index: 1;
}

.benefit-card p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 16px;
    position: relative;
    z-index: 1;
}

/* ================================
   PARTNERS SECTION
   ================================ */

.partners {
    background: white;
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 32px;
    margin-bottom: 80px;
}

.partner-card {
    background: linear-gradient(135deg, white 0%, var(--gray-50) 100%);
    padding: 48px;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    transition: var(--transition-base);
    text-align: center;
    border: 1px solid var(--gray-200);
}

.partner-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-300);
}

.partner-icon {
    font-size: 64px;
    margin-bottom: 24px;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
}

.partner-card h3 {
    font-size: 26px;
    font-weight: 800;
    color: var(--gray-900);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.partner-card p {
    color: var(--gray-600);
    line-height: 1.7;
    font-size: 16px;
}

.commercial-models {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
    padding: 64px;
    background: var(--gradient-primary);
    color: white;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    position: relative;
    overflow: hidden;
}

.commercial-models::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
    background-size: 30px 30px;
    animation: movePattern 20s linear infinite;
}

@keyframes movePattern {
    from { transform: translate(0, 0); }
    to { transform: translate(30px, 30px); }
}

.commercial-models h3 {
    font-size: 36px;
    font-weight: 900;
    margin-bottom: 40px;
    letter-spacing: -1px;
    position: relative;
    z-index: 1;
}

.models-list {
    display: flex;
    flex-direction: column;
    gap: 24px;
    position: relative;
    z-index: 1;
}

.model-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    font-size: 19px;
    font-weight: 600;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition-base);
}

.model-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateX(8px);
}

.check-icon {
    width: 36px;
    height: 36px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 20px;
    flex-shrink: 0;
}

/* ================================
   CTA SECTION
   ================================ */

.cta-section {
    background: var(--gradient-primary);
    color: white;
    text-align: center;
    padding: 120px 24px;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 30%, rgba(255, 255, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    animation: pulse 8s ease-in-out infinite;
}

.cta-content {
    position: relative;
    z-index: 1;
    max-width: 900px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: clamp(32px, 5vw, 56px);
    font-weight: 900;
    margin-bottom: 24px;
    line-height: 1.2;
    letter-spacing: -1px;
}

.cta-content p {
    font-size: clamp(16px, 2vw, 22px);
    margin-bottom: 48px;
    opacity: 0.95;
    line-height: 1.7;
}

.cta-buttons {
    display: flex;
    gap: 24px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ================================
   CONTACT SECTION
   ================================ */

.contact {
    background: linear-gradient(180deg, white 0%, var(--gray-50) 100%);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 80px;
    align-items: start;
}

.contact-info h3 {
    font-size: 36px;
    font-weight: 900;
    color: var(--gray-900);
    margin-bottom: 20px;
    letter-spacing: -1px;
}

.contact-info > p {
    font-size: 18px;
    color: var(--gray-600);
    line-height: 1.8;
    margin-bottom: 48px;
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding: 24px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
}

.contact-item:hover {
    transform: translateX(8px);
    box-shadow: var(--shadow-lg);
}

.contact-icon {
    font-size: 36px;
    flex-shrink: 0;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.contact-item h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--primary-600);
    margin-bottom: 6px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
}

.contact-item a,
.contact-item p {
    color: var(--gray-700);
    text-decoration: none;
    transition: var(--transition-base);
    font-size: 17px;
    font-weight: 600;
}

.contact-item a:hover {
    color: var(--primary-600);
}

.contact-form-wrapper {
    background: white;
    padding: 56px;
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-2xl);
    border: 1px solid var(--gray-200);
}

.contact-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 28px;
}

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

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 10px;
    font-size: 14px;
    letter-spacing: 0.3px;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 16px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius-md);
    font-size: 16px;
    font-family: inherit;
    transition: var(--transition-base);
    background: var(--gray-50);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-500);
    background: white;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.1);
}

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

.contact-form button {
    grid-column: 1 / -1;
    width: 100%;
    margin-top: 16px;
    cursor: pointer;
}

/* ================================
   FOOTER
   ================================ */

.footer {
    background: var(--gray-900);
    color: white;
    padding: 80px 0 40px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, var(--primary-500) 50%, transparent 100%);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: 80px;
    margin-bottom: 60px;
}

.footer-brand {
    max-width: 450px;
}

.footer-logo {
    height: 110px;
    margin-bottom: 24px;
    filter: brightness(0) invert(1);
}

.footer-tagline {
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.footer-description {
    font-size: 15px;
    line-height: 1.8;
    opacity: 0.7;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 48px;
}

.footer-column h4 {
    font-size: 16px;
    font-weight: 800;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: var(--primary-300);
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    margin-bottom: 14px;
    transition: var(--transition-base);
    font-size: 15px;
    position: relative;
    padding-left: 0;
}

.footer-column a::before {
    content: '→';
    position: absolute;
    left: -20px;
    opacity: 0;
    transition: var(--transition-base);
}

.footer-column a:hover {
    color: white;
    padding-left: 20px;
}

.footer-column a:hover::before {
    left: 0;
    opacity: 1;
}

.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    opacity: 0.6;
    font-size: 14px;
}

/* ================================
   RESPONSIVE DESIGN
   ================================ */

@media (max-width: 1024px) {
    .nav-menu {
        gap: 32px;
    }
    
    .hero-stats {
        gap: 60px;
    }
    
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card.featured {
        grid-column: auto;
    }
}

@media (max-width: 768px) {
    /* Navigation */
    .nav-menu {
        position: fixed;
        top: 86px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 86px);
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 48px 24px;
        box-shadow: var(--shadow-2xl);
        transition: var(--transition-base);
        gap: 24px;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-link {
        font-size: 18px;
        padding: 16px 0;
        width: 100%;
        text-align: center;
    }
    
    .nav-cta {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    /* Hero */
    .hero {
        min-height: auto;
        padding: 140px 0 100px;
    }
    
    .hero-stats {
        gap: 40px;
    }
    
    .hero-cta {
        flex-direction: column;
        width: 100%;
    }
    
    .hero-cta .btn {
        width: 100%;
    }
    
    /* Sections */
    section {
        padding: 80px 0;
    }
    
    .section-header {
        margin-bottom: 60px;
    }
    
    /* Services */
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .service-phases {
        grid-template-columns: 1fr;
    }
    
    /* Benefits */
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    /* Partners */
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    .commercial-models {
        padding: 48px 32px;
    }
    
    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .contact-form {
        grid-template-columns: 1fr;
    }
    
    .contact-form-wrapper {
        padding: 40px 32px;
    }
    
    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        gap: 60px;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    /* CTA */
    .cta-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .cta-buttons .btn {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .services-grid,
    .benefits-grid,
    .partners-grid {
        grid-template-columns: 1fr;
    }
    
    .service-card,
    .benefit-card,
    .partner-card {
        padding: 32px;
    }
    
    .contact-form-wrapper {
        padding: 32px 24px;
    }
    
    .commercial-models {
        padding: 40px 24px;
    }
}

/* ================================
   UTILITY ANIMATIONS
   ================================ */

.fade-in {
    animation: fadeIn 0.8s ease-out;
}

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

.slide-up {
    animation: slideUp 0.6s ease-out;
}

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

/* ================================
   LOADING STATE
   ================================ */

body:not(.loaded) {
    opacity: 0;
}

body.loaded {
    opacity: 1;
    transition: opacity 0.3s ease-in;
}

/* ================================
   PRINT STYLES
   ================================ */

@media print {
    .navbar,
    .hamburger,
    .scroll-indicator,
    .cta-section {
        display: none;
    }
    
    section {
        page-break-inside: avoid;
    }
}
