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

body {
    font-family: 'Poppins', sans-serif;
    background-color: #1D1D1B;
    color: #ffffff;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Navigation Bar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 80px;
    background-color: rgba(29, 29, 27, 0.95);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 3rem;
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.8rem;
}

.nav-logo .title-bar {
    width: 3px;
    height: 40px;
    background-color: #D9C859;
    flex-shrink: 0;
}

.nav-logo .title-text {
    margin-top: 3px;
}

.nav-logo .title-text h1 {
    font-size: 22px;
    font-weight: 500;
    margin: 0;
    color: #ffffff;
    letter-spacing: -0.5px;
    line-height: 1;
}

.nav-logo .tagline {
    font-size: 12px;
    font-weight: 300;
    color: #b0b0b0;
    letter-spacing: 0.2px;
    margin: 0;
    margin-top: 2px;
}

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

.nav-link {
    color: #ffffff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 400;
    letter-spacing: 0.3px;
    transition: color 0.2s ease;
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 1px;
    background-color: #D9C859;
    transition: width 0.3s ease;
}

.nav-link:hover {
    color: #D9C859 !important;
}

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

/* Mobile Email Icon */
.mobile-email-icon {
    display: none;
    align-items: center;
    justify-content: center;
    transition: transform 0.2s ease;
}

.mobile-email-icon .email-icon {
    width: 28px;
    height: 28px;
    display: block;
}

.mobile-email-icon:active {
    transform: scale(0.95);
}

/* Theme Toggle - Text Only */
.theme-toggle {
    margin-left: 1rem;
    display: flex;
    align-items: center;
}

.theme-switch-checkbox {
    display: none;
}

.theme-switch-label {
    display: none;
}

.theme-labels {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.theme-label {
    color: #999999;
    transition: color 0.3s ease;
    cursor: pointer;
    user-select: none;
    padding: 4px 6px;
    border-radius: 3px;
}

.theme-label:hover {
    color: #D9C859;
}

.theme-label:active {
    color: #D9C859;
    background-color: rgba(217, 200, 89, 0.1);
}

.theme-label.active {
    color: #D9C859;
}

.theme-separator {
    color: #666666;
    font-size: 10px;
    font-weight: 400;
}

/* Light Theme */
body.light-theme {
    background-color: #F5F5F5;
    color: #1D1D1B;
}

body.light-theme .navbar {
    background-color: rgba(255, 255, 255, 0.95);
    border-bottom: 1px solid rgba(0, 0, 0, 0.08);
}

body.light-theme .nav-logo .title-text h1 {
    color: #1D1D1B;
}

body.light-theme .nav-logo .tagline {
    color: #666666;
}

body.light-theme .nav-link {
    color: #1D1D1B;
}

body.light-theme .nav-link:hover {
    color: #D9C859 !important;
}

body.dark-theme .navbar {
    background-color: rgba(29, 29, 27, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

body.dark-theme .nav-logo .title-text h1 {
    color: #ffffff;
}

body.dark-theme .nav-logo .tagline {
    color: #b0b0b0;
}

body.dark-theme .nav-link {
    color: #ffffff;
}

body.dark-theme .nav-link:hover {
    color: #D9C859 !important;
}


body.dark-theme {
    background-color: #1D1D1B;
    color: #ffffff;
}

body.dark-theme .container {
    background-color: #1D1D1B;
}

body.dark-theme .content-section {
    background-color: transparent;
}

body.dark-theme .features-title {
    color: #ffffff;
}

body.dark-theme .features-list li {
    color: #d8d8d8;
}

body.dark-theme .cta-title {
    color: #ffffff;
}

body.dark-theme .email-form {
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

body.dark-theme .email-form:focus-within {
    border-color: #D9C859;
    box-shadow: 0 0 0 3px rgba(217, 200, 89, 0.1);
}

body.dark-theme .email-input {
    color: #ffffff;
}

body.dark-theme .email-input::placeholder {
    color: rgba(255, 255, 255, 0.45);
}

body.dark-theme .message.success {
    background-color: rgba(76, 175, 80, 0.2);
    border: 1px solid rgba(76, 175, 80, 0.5);
    color: #81c784;
}

body.dark-theme .message.error {
    background-color: rgba(244, 67, 54, 0.2);
    border: 1px solid rgba(244, 67, 54, 0.5);
    color: #e57373;
}

body.light-theme .container {
    background-color: #F5F5F5;
}

body.light-theme .content-section {
    background-color: transparent;
}

body.light-theme .background-image::before {
    background: rgba(245, 245, 245, 0.15);
}

body.light-theme .features-title {
    color: #1D1D1B;
}

body.light-theme .features-list li {
    color: #333333;
}

body.light-theme .features-list {
    height: 120px;
}

body.light-theme .cta-title {
    color: #1D1D1B;
}

body.light-theme .email-form {
    background-color: rgba(0, 0, 0, 0.04);
    border: 1px solid rgba(0, 0, 0, 0.15);
}

body.light-theme .email-form:focus-within {
    border-color: #D9C859;
    box-shadow: 0 0 0 3px rgba(217, 200, 89, 0.2);
}

body.light-theme .email-input {
    color: #1D1D1B;
}

body.light-theme .email-input::placeholder {
    color: rgba(0, 0, 0, 0.4);
}

body.light-theme .submit-button {
    background-color: #D9C859;
    color: #1D1D1B;
}

body.light-theme .submit-button:hover {
    background-color: #e8d670;
}

body.light-theme .submit-button:active {
    background-color: #d0ba50;
}

body.light-theme .message.success {
    background-color: rgba(76, 175, 80, 0.15);
    border: 1px solid rgba(76, 175, 80, 0.4);
    color: #2e7d32;
}

body.light-theme .message.error {
    background-color: rgba(244, 67, 54, 0.15);
    border: 1px solid rgba(244, 67, 54, 0.4);
    color: #c62828;
}

.container {
    display: flex;
    min-height: 100vh;
    width: 100%;
    position: relative;
    padding-top: 80px;
}

/* Left Side Background Image */
.background-image {
    position: fixed;
    top: 80px;
    left: 0;
    width: 33.33%;
    bottom: 0;
    background-image: url('adrien-vajas-S5mzqeIOBB0-unsplash.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.background-image::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(29, 29, 27, 0.15);
    z-index: 1;
}

/* Legacy image section - hidden */
.image-section {
    display: none;
}

.aircraft-image {
    display: none;
}

/* Right Section - Content */
.content-section {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    padding: 3rem 3rem 3rem 3rem;
    background-color: transparent;
    position: relative;
    z-index: 2;
    margin-left: 33.33%;
}

.content-wrapper {
    max-width: 650px;
    width: 100%;
}

/* Features List */
.features {
    margin-top: 20px;
    margin-bottom: 3rem;
}

.features-title {
    font-size: 1.3rem;
    font-weight: 500;
    margin-bottom: 1.5rem;
    color: #ffffff;
    line-height: 1.3;
}

.features-list {
    list-style: none;
    height: 120px;
    transition: opacity 0.5s ease-in-out;
    opacity: 1;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.features-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.9rem;
    font-size: 16px;
    font-weight: 400;
    line-height: 1.6;
    color: #d8d8d8;
    transition: opacity 0.3s ease, transform 0.3s ease;
}

.features-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: #D9C859;
    font-size: 1rem;
    line-height: 1.6;
}

/* CTA Section */
.cta-section {
    margin-top: 2rem;
}

.cta-title {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 1.2rem;
    color: #ffffff;
    line-height: 1.3;
}

.email-form {
    display: flex;
    gap: 0;
    margin-bottom: 1rem;
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.email-form:focus-within {
    border-color: #D9C859;
    box-shadow: 0 0 0 3px rgba(217, 200, 89, 0.1);
}

.email-input {
    flex: 1;
    padding: 0.75rem 1.5rem;
    background-color: transparent;
    border: none;
    color: #ffffff;
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    outline: none;
}

.email-input::placeholder {
    color: rgba(255, 255, 255, 0.45);
}

.submit-button {
    padding: 0.75rem 2.5rem;
    background-color: #D9C859;
    color: #1D1D1B;
    border: none;
    font-family: 'Poppins', sans-serif;
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.submit-button:hover {
    background-color: #e8d670;
    box-shadow: inset 0 0 0 2px rgba(0, 0, 0, 0.1);
}

.submit-button:active {
    background-color: #d0ba50;
}

/* Message Styles */
.message {
    font-size: 0.8rem;
    padding: 0.65rem 1rem;
    border-radius: 0;
    margin-top: 0.8rem;
    display: none;
    animation: slideIn 0.3s ease;
}

.message.show {
    display: block;
}

.message.success {
    background-color: rgba(76, 175, 80, 0.2);
    border: 1px solid rgba(76, 175, 80, 0.5);
    color: #81c784;
}

.message.error {
    background-color: rgba(244, 67, 54, 0.2);
    border: 1px solid rgba(244, 67, 54, 0.5);
    color: #e57373;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Responsive Design */
@media (max-width: 1024px) {
    .navbar {
        padding: 0 2rem;
    }

    .nav-logo .title-text h1 {
        font-size: 22px;
    }

    .nav-logo .tagline {
        font-size: 9px;
    }

    .nav-logo .title-bar {
        height: 36px;
    }

    .background-image {
        width: 30%;
    }

    .content-section {
        margin-left: 30%;
    }

    .image-section {
        flex: 0 0 40%;
        padding: 2rem 1.5rem 2rem 0;
    }

    .aircraft-image {
        max-height: 50vh;
    }
}

@media (max-width: 768px) {
    .navbar {
        height: 70px;
        padding: 0 1.5rem;
    }

    .nav-logo .title-text h1 {
        font-size: 20px;
    }

    .nav-logo .tagline {
        font-size: 8px;
    }

    .nav-logo .title-bar {
        height: 32px;
        width: 2.5px;
    }

    .nav-link {
        display: none !important;
    }

    .mobile-email-icon {
        display: flex !important;
    }

    .mobile-email-icon .email-icon {
        width: 20px;
        height: 20px;
    }

    .nav-menu {
        gap: 0.75rem;
        align-items: center;
    }

    .theme-toggle {
        margin-left: 0.5rem;
    }

    .theme-labels {
        font-size: 9px;
        gap: 0.35rem;
    }

    .theme-separator {
        font-size: 9px;
    }

    .container {
        flex-direction: column;
        padding-top: 70px;
    }

    .background-image {
        display: none !important;
    }

    .image-section {
        display: none !important;
    }

    .aircraft-image {
        display: none !important;
    }

    .content-section {
        margin-left: 0;
        padding: 2rem 1.5rem;
        align-items: flex-start;
    }

    .cta-section {
        margin-top: 20px;
    }

    .features-title {
        font-size: 1.15rem;
    }

    .features-list li {
        font-size: 14px;
    }
    
    .features-list {
        height: 100px;
    }

    .cta-title {
        font-size: 0.95rem;
    }

    .email-form {
        flex-direction: column;
        border-radius: 0;
    }

    .email-input {
        padding: 0.85rem 1.5rem;
    }

    .submit-button {
        width: 100%;
        padding: 0.85rem 2rem;
    }
}

@media (max-width: 480px) {
    .navbar {
        height: 65px;
        padding: 0 1rem;
    }

    .nav-logo {
        gap: 0.6rem;
    }

    .nav-logo .title-text h1 {
        font-size: 18px;
    }

    .nav-logo .tagline {
        font-size: 7px;
    }

    .nav-logo .title-bar {
        height: 28px;
        width: 2px;
    }

    .nav-link {
        display: none !important;
    }

    .mobile-email-icon .email-icon {
        width: 18px;
        height: 18px;
    }

    .nav-menu {
        gap: 0.75rem;
        align-items: center;
    }

    .theme-toggle {
        margin-left: 0.5rem;
    }

    .theme-labels {
        font-size: 8px;
        gap: 0.3rem;
    }

    .theme-separator {
        font-size: 8px;
    }

    .container {
        padding-top: 65px;
    }

    .background-image {
        display: none !important;
    }

    .image-section {
        display: none !important;
    }

    .aircraft-image {
        display: none !important;
    }

    .content-section {
        margin-left: 0;
        padding: 1.5rem 1rem;
    }

    .cta-section {
        margin-top: 20px;
    }

    .features-title {
        font-size: 1.05rem;
    }

    .features-list li {
        font-size: 13px;
        margin-bottom: 0.6rem;
    }
    
    .features-list {
        height: 90px;
    }

    .cta-title {
        font-size: 0.9rem;
    }

    .email-input {
        font-size: 0.8rem;
        padding: 0.8rem 1.2rem;
    }

    .submit-button {
        font-size: 0.8rem;
        padding: 0.8rem 1.8rem;
    }
}