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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    min-height: 100vh;
    background: linear-gradient(135deg, #E8F4F8 0%, #F0F8FA 50%, #FFFFFF 100%);
    position: relative;
    overflow-x: hidden;
}

.container {
    max-width: 97vw;
    margin: 0 auto;
    padding: 20px 40px;
    min-height: 100vh;
    position: relative;
    z-index: 1;
    width: 100%;
}

@media (min-width: 769px) {
    .container {
        padding: 20px 30px;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 20px 40px;
    }
}

/* Header */
.header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    padding: 1.25rem 0;
    padding-right: 1.25rem;
    width: 100%;
}

@media (min-width: 769px) {
    .header {
        padding: 0.625rem 0;
        padding-right: 1.875rem;
    }
}

@media (min-width: 1024px) {
    .header {
        padding-right: 2.5rem;
    }
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-image {
    height: 3rem;
    width: auto;
    object-fit: contain;
    display: block;
    max-width: 100%;
}

.logo-name {
    font-size: 24px;
    font-weight: 700;
    color: #1E3A5F;
    line-height: 1.2;
}

.trademark {
    font-size: 0.6em;
    vertical-align: super;
    font-weight: 400;
}

.logo-tagline {
    font-size: 12px;
    color: #1E3A5F;
    font-weight: 400;
    margin-top: 2px;
}

/* Main Content */
.main-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - 200px);
    padding: 40px 0;
    text-align: center;
    width: 100%;
    box-sizing: border-box;
}

@media (min-width: 769px) {
    .main-content {
        padding: 60px 0;
    }
}

@media (min-width: 1024px) {
    .main-content {
        padding: 80px 0;
    }
}

.main-heading {
    font-size: 50px;
    font-weight: 700;
    color: #1E3A5F;
    margin-bottom: 16px;
    letter-spacing: -0.02em;
}

.subheading {
    font-size: 24px;
    color: #4B5563;
    font-weight: 400;
    margin-bottom: 48px;
}

/* Form Section */
.form-section {
    width: 100%;
    max-width: 480px;
    margin-bottom: 40px;
    padding: 0;
}

@media (min-width: 769px) {
    .form-section {
        max-width: 520px;
    }
}

.form-label {
    font-size: 16px;
    color: #4B5563;
    margin-bottom: 16px;
}

.email-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.input-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

.mail-icon {
    position: absolute;
    left: 18px;
    color: #9CA3AF;
    z-index: 1;
}

.email-input {
    width: 100%;
    padding: 18px 20px 18px 52px;
    border: 1px solid #D1D5DB;
    border-radius: 8px;
    font-size: 16px;
    background: white;
    color: #1F2937;
    transition: border-color 0.2s;
}

.email-input:focus {
    outline: none;
    border-color: #1E3A5F;
}

.email-input::placeholder {
    color: #9CA3AF;
}

.notify-btn {
    padding: 18px 40px;
    background: linear-gradient(135deg, #1E3A5F 0%, #2A4A6F 50%, #152A47 100%);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 2px 8px rgba(30, 58, 95, 0.2);
}

.notify-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(30, 58, 95, 0.3);
}

.notify-btn:active {
    transform: translateY(0);
}

.notify-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

/* Social Links */
.social-links {
    display: flex;
    gap: 16px;
    justify-content: center;
    margin-bottom: 32px;
}

.social-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: white;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #1E3A5F;
    text-decoration: none;
    transition: transform 0.2s, box-shadow 0.2s;
}

.social-icon:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}

.social-icon-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    display: block;
}

/* Copyright */
.copyright {
    font-size: 14px;
    color: #4B5563;
}

/* Legal Links */
.legal-links {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-top: 32px;
}

.legal-link {
    font-size: 14px;
    color: #2563EB;
    text-decoration: none;
    transition: color 0.2s;
    padding: 0 8px;
}

.legal-link:hover {
    color: #1E3A5F;
    text-decoration: underline;
}

.legal-separator {
    font-size: 14px;
    color: #9CA3AF;
}

/* Background Logo */
.bg-logo {
    position: fixed;
    bottom: 0;
    left: 0;
    z-index: 0;
    pointer-events: none;
    user-select: none;
    width: 60vw;
    max-width: 817px;
    height: auto;
    opacity: 1;
    overflow: visible;
}

.bg-logo-img {
    width: 100%;
    height: auto;
    display: block;
    opacity: 1;
}

/* Success/Error Messages */
.message {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    margin-top: 12px;
    text-align: center;
}

.message.success {
    background: #D1FAE5;
    color: #065F46;
    border: 1px solid #A7F3D0;
}

.message.error {
    background: #FEE2E2;
    color: #991B1B;
    border: 1px solid #FECACA;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 15px;
    }

    .main-heading {
        font-size: 48px;
        margin-bottom: 12px;
    }

    .subheading {
        font-size: 20px;
        margin-bottom: 36px;
    }

    .form-section {
        max-width: 100%;
        padding: 0 10px;
    }

    .email-input {
        padding: 16px 18px 16px 48px;
    }

    .mail-icon {
        width: 18px;
        height: 18px;
        left: 16px;
    }

    .logo-image {
        height: 2.5rem;
    }

    .header {
        padding: 0.9375rem 0;
        padding-right: 0.9375rem;
    }

    .main-content {
        padding: 30px 15px;
        min-height: calc(100vh - 150px);
    }

    .bg-logo {
        width: 80vw;
        max-width: 600px;
        bottom: 0;
        left: 0;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 10px;
    }

    .main-heading {
        font-size: 36px;
        margin-bottom: 10px;
        line-height: 1.2;
    }

    .subheading {
        font-size: 18px;
        margin-bottom: 32px;
        line-height: 1.4;
    }

    .form-label {
        font-size: 14px;
        margin-bottom: 12px;
    }

    .email-input {
        font-size: 14px;
        padding: 16px 18px 16px 48px;
    }

    .notify-btn {
        font-size: 14px;
        padding: 16px 24px;
    }

    .mail-icon {
        width: 18px;
        height: 18px;
        left: 16px;
    }

    .email-form {
        gap: 12px;
    }

    .social-links {
        gap: 12px;
        margin-bottom: 24px;
    }

    .social-icon {
        width: 40px;
        height: 40px;
    }

    .header {
        padding: 0.9375rem 0 0.625rem 0;
        padding-right: 0.625rem;
    }

    .logo-image {
        height: 2.25rem;
    }

    .main-content {
        padding: 20px 10px;
        min-height: calc(100vh - 120px);
    }

    .copyright {
        font-size: 12px;
    }

    .legal-links {
        gap: 16px;
        margin-top: 24px;
    }

    .legal-link {
        font-size: 12px;
        padding: 0 6px;
    }

    .legal-separator {
        font-size: 12px;
    }

    .bg-logo {
        width: 100vw;
        max-width: 400px;
        bottom: 0;
        left: 0;
    }
}