* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, Helvetica, sans-serif;
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* Page Container */
.page-container {
    min-height: 100vh;
    background-color: #111827;
    display: flex;
    flex-direction: column;
}

/* Header */
.header {
    padding-left: 1.5rem;
    padding-right: 1.5rem;
    height: 4rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(55, 65, 81, 0.5);
    background-color: #111827;
}

@media (min-width: 1024px) {
    .header {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mail-icon {
    width: 1.5rem;
    height: 1.5rem;
    color: #34d399;
    filter: drop-shadow(0 0 8px rgba(52, 211, 153, 0.6));
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    color: white;
}

/* Main Content */
.main-content {
    flex-grow: 1;
    display: flex;
    flex-direction: column;
}

/* Hero Section */
.hero-section {
    padding: 6rem 1.5rem;
    text-align: center;
    background: linear-gradient(to bottom, #111827, #111827, #1f2937);
}

@media (min-width: 1024px) {
    .hero-section {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

.hero-container {
    max-width: 56rem;
    margin: 0 auto;
}

/* Hero Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    background-color: rgba(6, 78, 59, 0.3);
    color: #6ee7b7;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(6, 95, 70, 0.5);
    box-shadow: 0 0 20px rgba(52, 211, 153, 0.3);
    transition: all 1s ease;
}

.shield-icon {
    width: 1rem;
    height: 1rem;
    margin-right: 0.5rem;
    filter: drop-shadow(0 0 4px rgba(52, 211, 153, 0.8));
}

/* Hero Title */
.hero-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    transition: all 1.2s ease;
    transition-delay: 200ms;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

.hero-title-accent {
    color: #34d399;
    filter: drop-shadow(0 0 12px rgba(52, 211, 153, 0.5));
}

/* Hero Description */
.hero-description {
    font-size: 1.125rem;
    color: #d1d5db;
    margin-bottom: 2rem;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.75;
    transition: all 1s ease;
    transition-delay: 400ms;
}

@media (min-width: 768px) {
    .hero-description {
        font-size: 1.25rem;
    }
}

/* CTA Section */
.cta-section {
    padding: 6rem 1.5rem;
    background-color: #1e293b;
    flex-grow: 1;
    display: flex;
    align-items: center;
    justify-content: center;
}

@media (min-width: 1024px) {
    .cta-section {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

.cta-container {
    max-width: 56rem;
    margin: 0 auto;
    text-align: center;
}

.cta-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
    transition: all 1s ease;
}

@media (min-width: 768px) {
    .cta-title {
        font-size: 2.25rem;
    }
}

.cta-description {
    font-size: 1.125rem;
    color: #d1d5db;
    margin-bottom: 2rem;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
    transition: all 1s ease;
    transition-delay: 200ms;
}

.cta-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    transition: all 1s ease;
    transition-delay: 400ms;
}

@media (min-width: 640px) {
    .cta-buttons {
        flex-direction: row;
    }
}

/* Primary Button */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: white;
    background-color: #059669;
    border: none;
    border-radius: 0.375rem;
    cursor: pointer;
    text-decoration: none;
    box-shadow: 0 0 20px rgba(52, 211, 153, 0.4);
    transition: all 0.3s ease;
    height: 2.75rem;
}

.btn-primary:hover {
    background-color: #047857;
    box-shadow: 0 0 25px rgba(52, 211, 153, 0.6);
}

/* Footer */
.footer {
    padding: 3rem 1.5rem;
    background: linear-gradient(to bottom, #111827, #000000);
    color: white;
}

@media (min-width: 1024px) {
    .footer {
        padding-left: 2rem;
        padding-right: 2rem;
    }
}

.footer-container {
    max-width: 72rem;
    margin: 0 auto;
}

.footer-content {
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    transition: all 1s ease;
}

@media (min-width: 768px) {
    .footer-content {
        flex-direction: row;
    }
}

.footer-contact {
    display: flex;
    gap: 1.5rem;
    font-size: 0.875rem;
    color: #9ca3af;
    font-style: normal;
    margin-top: 1rem;
}

@media (min-width: 768px) {
    .footer-contact {
        margin-top: 0;
    }
}

.email-link {
    color: #34d399;
    text-decoration: none;
    filter: drop-shadow(0 0 6px rgba(52, 211, 153, 0.4));
    transition: all 0.3s ease;
}

.email-link:hover {
    color: #6ee7b7;
    filter: drop-shadow(0 0 8px rgba(52, 211, 153, 0.6));
}

.footer-copyright {
    border-top: 1px solid #1f2937;
    margin-top: 2rem;
    padding-top: 2rem;
    text-align: center;
    font-size: 0.875rem;
    color: #9ca3af;
    transition: all 1s ease;
    transition-delay: 200ms;
}

/* Animation States */
.animate-hidden-left {
    opacity: 0;
    transform: translateX(-2rem);
}

.animate-hidden-right {
    opacity: 0;
    transform: translateX(2rem);
}

.animate-hidden-up {
    opacity: 0;
    transform: translateY(1.5rem);
}

.animate-visible {
    opacity: 1 !important;
    transform: translateX(0) translateY(0) !important;
}

/* 404 Page */
.not-found-container {
    text-align: center;
    max-width: 28rem;
    padding: 1.5rem;
}

.not-found-code {
    font-size: 6rem;
    font-weight: 700;
    color: #34d399;
    margin-bottom: 1rem;
    line-height: 1;
}

.not-found-title {
    font-size: 1.875rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.not-found-description {
    color: #d1d5db;
    margin-bottom: 2rem;
}

.not-found-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.75rem 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    color: #d1d5db;
    background-color: transparent;
    border: 1px solid #4b5563;
    border-radius: 0.375rem;
    cursor: pointer;
    transition: all 0.3s ease;
    height: 2.75rem;
    width: 100%;
}

.btn-outline:hover {
    background-color: #374151;
    color: white;
}

.not-found-help {
    margin-top: 2rem;
    font-size: 0.875rem;
    color: #9ca3af;
}