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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #ffffff;
    overflow-x: hidden;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
}

/* Navigation Bar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1rem 0;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo h2 {
    font-size: 1.5rem;
    font-weight: 600;
    background: linear-gradient(135deg, #ffffff, #e0e0e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-link {
    color: rgba(255, 255, 255, 0.9);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: all 0.3s ease;
    position: relative;
    padding: 0.5rem 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #ffffff, #e0e0e0);
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #ffffff;
}

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

.nav-cta {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    padding: 0.6rem 1.5rem;
    border-radius: 50px;
    font-weight: 500;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.nav-cta:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 4px;
    cursor: pointer;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: #ffffff;
    transition: all 0.3s ease;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 2rem;
    position: relative;
}

.hero-container {
    max-width: 1200px;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #ffffff, #e0e0e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
}

.hero-description {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

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

.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #ffffff;
    backdrop-filter: blur(10px);
}

.btn-primary:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.btn-secondary {
    background: transparent;
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: #ffffff;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.8);
    transform: translateY(-3px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
}

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

.visual-placeholder {
    width: 100%;
    height: 500px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.visual-content {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.floating-card {
    position: absolute;
    background: rgba(255, 255, 255, 0.15);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 15px;
    padding: 1.5rem;
    backdrop-filter: blur(15px);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    transition: all 0.3s ease;
    animation: float 6s ease-in-out infinite;
}

.floating-card:hover {
    transform: translateY(-5px) scale(1.05);
    background: rgba(255, 255, 255, 0.25);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
}

.card-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.card-text {
    font-size: 0.9rem;
    font-weight: 500;
    text-align: center;
    color: rgba(255, 255, 255, 0.9);
}

.card-1 {
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.card-2 {
    top: 50%;
    right: 15%;
    animation-delay: 2s;
}

.card-3 {
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-container {
        padding: 0 1rem;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: rgba(0, 0, 0, 0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 2rem;
        gap: 1rem;
        transition: left 0.3s ease;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }
    
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -6px);
    }
    
    .hero {
        padding: 0 1rem;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-buttons {
        justify-content: center;
        gap: 1rem;
    }
    
    .btn {
        padding: 0.8rem 2rem;
        font-size: 0.9rem;
    }
    
    .visual-placeholder {
        height: 400px;
    }
    
    .floating-card {
        padding: 1rem;
    }
    
    .card-icon {
        font-size: 1.5rem;
    }
    
    .card-text {
        font-size: 0.8rem;
    }
}

@media (max-width: 480px) {
    .nav-logo h2 {
        font-size: 1.2rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .hero-description {
        font-size: 0.9rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 200px;
        padding: 0.8rem 1.5rem;
    }
    
    .visual-placeholder {
        height: 300px;
    }
    
    .card-1 {
        top: 10%;
        left: 5%;
    }
    
    .card-2 {
        top: 40%;
        right: 5%;
    }
    
    .card-3 {
        bottom: 10%;
        left: 10%;
    }
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 9999;
    pointer-events: none;
}

.toast {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    padding: 1rem 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
    min-width: 300px;
    max-width: 400px;
    pointer-events: all;
    transform: translateX(400px);
    opacity: 0;
    transition: all 0.3s ease;
}

.toast.show {
    transform: translateX(0);
    opacity: 1;
}

.toast.success {
    background: rgba(76, 175, 80, 0.95);
    color: white;
    border-color: rgba(76, 175, 80, 0.3);
}

.toast.error {
    background: rgba(244, 67, 54, 0.95);
    color: white;
    border-color: rgba(244, 67, 54, 0.3);
}

.toast.info {
    background: rgba(33, 150, 243, 0.95);
    color: white;
    border-color: rgba(33, 150, 243, 0.3);
}

.toast-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
}

.toast-content {
    flex-grow: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.toast-message {
    font-size: 0.9rem;
    opacity: 0.9;
}

.toast-progress {
    margin-top: 0.5rem;
    position: relative;
    height: 4px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 2px;
    overflow: hidden;
}

.toast-progress-bar {
    height: 100%;
    background: rgba(255, 255, 255, 0.8);
    border-radius: 2px;
    width: 100%;
    transition: none;
}

.toast-countdown {
    position: absolute;
    right: 0;
    top: -20px;
    font-size: 0.75rem;
    opacity: 0.7;
    font-weight: 500;
}

.toast-close {
    background: none;
    border: none;
    color: currentColor;
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0.7;
    transition: opacity 0.2s ease;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
}

.toast-close:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.1);
}

@media (max-width: 768px) {
    .toast-container {
        right: 10px;
        left: 10px;
    }
    
    .toast {
        min-width: auto;
        max-width: none;
    }
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Selection color */
::selection {
    background: rgba(255, 255, 255, 0.3);
    color: #ffffff;
}

/* Focus states for accessibility */
.btn:focus,
.nav-link:focus,
.nav-cta:focus {
    outline: 2px solid rgba(255, 255, 255, 0.5);
    outline-offset: 2px;
}