/* Vaayu Learning - Component Styles */

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
    transition: all var(--transition-base);
}

.header.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md) 0;
}

/* Logo */
.logo-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.logo {
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo img {
    height: 100%;
    width: auto;
    object-fit: contain;
    display: block;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
}

.logo-text h1 {
    font-size: var(--font-size-xl);
    margin: 0;
}

.logo-text p {
    font-size: var(--font-size-xs);
    color: var(--color-muted);
    margin: 0;
}

/* Navigation */
.nav-desktop {
    display: flex;
    gap: var(--spacing-2xl);
    align-items: center;
}

.nav-link {
    color: var(--color-foreground);
    font-weight: 500;
    transition: color var(--transition-fast);
}

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

.header-cta {
    display: flex;
    gap: var(--spacing-md);
}

/* Mobile Menu */
.mobile-menu-btn {
    display: none;
    width: 40px;
    height: 40px;
    background: transparent;
    border: none;
    cursor: pointer;
    position: relative;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    width: 24px;
    height: 2px;
    background: var(--color-foreground);
    display: block;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    transition: all var(--transition-base);
}

.hamburger::before {
    content: '';
    top: -8px;
}

.hamburger::after {
    content: '';
    bottom: -8px;
}

.mobile-menu-btn.active .hamburger {
    background: transparent;
}

.mobile-menu-btn.active .hamburger::before {
    top: 0;
    transform: translateX(-50%) rotate(45deg);
}

.mobile-menu-btn.active .hamburger::after {
    bottom: 0;
    transform: translateX(-50%) rotate(-45deg);
}

.nav-mobile {
    display: none;
    flex-direction: column;
    gap: var(--spacing-lg);
    padding: var(--spacing-lg) 0;
    border-top: 1px solid var(--color-border);
    background: white;
    box-shadow: var(--shadow-md);
}

.nav-mobile.active {
    display: flex;
}

.nav-mobile .nav-link {
    color: var(--color-foreground);
    font-weight: 500;
    padding: var(--spacing-sm) 0;
}

.mobile-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    padding-top: var(--spacing-md);
}

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    margin-top: 60px;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.2;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--color-primary);
    opacity: 0.95;
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: var(--spacing-3xl) 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-full);
    margin-bottom: var(--spacing-2xl);
}

.hero-badge span {
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 500;
}

.hero-logo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-2xl);
    height: 80px;
}

.hero-logo-badge img {
    height: 100%;
    width: auto;
    opacity: 0.95;
}

.hero-title {
    color: white;
    margin-bottom: var(--spacing-lg);
    line-height: 1.2;
    word-wrap: break-word;
    hyphens: auto;
}

.hero-highlight {
    color: #ffffff;
    font-weight: 900;
    text-shadow: 0 3px 10px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.1);
    padding: 0 var(--spacing-sm);
    border-radius: var(--radius-sm);
    display: inline-block;
    backdrop-filter: blur(5px);
    word-break: keep-all;
    white-space: nowrap;
}

.hero-subtitle {
    font-size: clamp(var(--font-size-lg), 2vw, var(--font-size-2xl));
    color: rgba(255, 255, 255, 0.9);
    max-width: 768px;
    margin: 0 auto var(--spacing-2xl);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--spacing-3xl);
}

.icon-arrow,
.icon-play {
    width: 20px;
    height: 20px;
    margin-left: 8px;
}

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

/* Floating Elements */
.floating-elements {
    position: absolute;
    inset: 0;
    z-index: 5;
    pointer-events: none;
}

.float-element {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.float-1 {
    top: 20%;
    right: 10%;
    animation: float 6s ease-in-out infinite;
}

.float-2 {
    top: 40%;
    left: 10%;
    animation: float 6s ease-in-out infinite;
    animation-delay: 2s;
}

.float-3 {
    bottom: 30%;
    right: 20%;
    animation: float 6s ease-in-out infinite;
    animation-delay: 4s;
}

.float-4 {
    bottom: 20%;
    left: 20%;
    animation: float 6s ease-in-out infinite;
    animation-delay: 1s;
}

.float-element .icon {
    width: 32px;
    height: 32px;
    color: white;
}

.icon-shield {
    color: var(--color-primary-light);
}

.icon-zap {
    color: var(--color-secondary-light);
}

.icon-globe {
    color: var(--color-accent-light);
}

.icon-chart {
    color: var(--color-primary-light);
}

/* Loading State for Vaayu Learning Card */
.glass-card {
    min-height: 80px;
    position: relative;
}

.glass-card:empty::after {
    content: 'Loading...';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: var(--color-muted);
    font-size: var(--font-size-sm);
}

/* Trust Indicators */
.trust-indicators {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-2xl);
    justify-content: center;
    color: rgba(255, 255, 255, 0.7);
}

.trust-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.trust-item .icon {
    width: 20px;
    height: 20px;
}

.trust-item span {
    font-size: var(--font-size-sm);
    font-weight: 500;
}

/* Statistics Section */
.statistics {
    background: var(--color-gray-50);
    padding: var(--spacing-3xl) 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
}

.stat-card {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    min-height: 180px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.stat-number {
    font-size: clamp(2rem, 8vw, var(--font-size-4xl));
    font-weight: 800;
    margin-bottom: var(--spacing-sm);
    transition: transform var(--transition-base);
    line-height: 1.1;
    word-break: keep-all;
}

.stat-card:hover .stat-number {
    transform: scale(1.1);
}

.stat-label {
    color: var(--color-muted);
    font-size: var(--font-size-base);
    margin: 0;
    line-height: 1.4;
    max-width: 100%;
    word-wrap: break-word;
}

.stats-footer {
    text-align: center;
}

.stats-footer .glass-card {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-md);
    background: white;
    box-shadow: var(--shadow-lg);
}

.pulse-dot {
    width: 12px;
    height: 12px;
    background: var(--color-success);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

/* Features Section */
.features {
    padding: var(--spacing-3xl) 0;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: var(--spacing-xl);
}

.feature-card {
    background: white;
    padding: var(--spacing-2xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
}

.feature-icon svg {
    width: 32px;
    height: 32px;
    stroke: white;
    fill: none;
}

.bg-primary {
    background: var(--color-primary);
}

.bg-secondary {
    background: var(--color-secondary);
}

.bg-accent {
    background: var(--color-accent);
}

.bg-success {
    background: var(--color-success);
}

.bg-warning {
    background: var(--color-warning);
}

.bg-info {
    background: #0284c7;
}

.feature-card h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--color-muted);
    margin: 0;
}

/* Footer */
.footer {
    background: var(--color-foreground);
    color: white;
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 3fr;
    gap: var(--spacing-3xl);
    margin-bottom: var(--spacing-2xl);
}

.footer-brand .logo-wrapper {
    margin-bottom: var(--spacing-lg);
}

.footer-brand .logo img {
    opacity: 0.9;
}

.footer-brand .logo-text h2 {
    color: white;
    font-size: var(--font-size-xl);
}

.footer-brand .logo-text p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-description {
    color: rgba(255, 255, 255, 0.7);
    margin: 0;
}

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-2xl);
}

.footer-column h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--spacing-sm);
    transition: color var(--transition-fast);
}

.footer-column a:hover {
    color: white;
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-xl);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-bottom p {
    color: rgba(255, 255, 255, 0.6);
    margin: 0;
}

.footer-legal {
    display: flex;
    gap: var(--spacing-xl);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.6);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-desktop,
    .header-cta {
        display: none;
    }

    .mobile-menu-btn {
        display: block;
    }

    .hero {
        min-height: 80vh;
        padding: var(--spacing-xl) 0;
    }

    .hero-content {
        padding: var(--spacing-2xl) 0;
    }

    .hero-title {
        font-size: clamp(1.75rem, 8vw, 3rem);
        line-height: 1.3;
        margin-bottom: var(--spacing-xl);
    }

    .hero-highlight {
        display: block;
        margin-top: var(--spacing-sm);
        white-space: normal;
        word-break: normal;
    }

    .hero-subtitle {
        font-size: clamp(1rem, 4vw, 1.25rem);
        padding: 0 var(--spacing-md);
        line-height: 1.6;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
        gap: var(--spacing-md);
    }

    .trust-indicators {
        flex-direction: column;
        gap: var(--spacing-lg);
        align-items: center;
    }

    .trust-item {
        flex-direction: column;
        text-align: center;
        gap: var(--spacing-xs);
    }

    .stats-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .stat-card {
        padding: var(--spacing-xl);
        min-height: 160px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .feature-card {
        padding: var(--spacing-xl);
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .footer-links {
        grid-template-columns: 1fr;
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--spacing-md);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: clamp(1.5rem, 7vw, 2.5rem);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .stat-card {
        padding: var(--spacing-lg);
        min-height: 140px;
    }

    .stat-number {
        font-size: clamp(1.75rem, 7vw, 2.5rem);
    }

    .stat-label {
        font-size: var(--font-size-sm);
    }

    .feature-card {
        padding: var(--spacing-lg);
    }

    .section-title {
        font-size: clamp(1.5rem, 6vw, 2.25rem);
    }

    .section-subtitle {
        font-size: var(--font-size-lg);
        padding: 0 var(--spacing-sm);
    }
}