:root {
    --primary-color: #0f172a;     /* Deep Slate */
    --accent-color: #2563eb;      /* Corporate Blue */
    --accent-hover: #1d4ed8;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --bg-color: #ffffff;
    --border-color: #e2e8f0;
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    color: var(--text-main);
    background-color: var(--bg-color);
    -webkit-font-smoothing: antialiased;
}

.split-layout {
    display: flex;
    min-height: 100vh;
}

/* Left Content Section */
.content-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 3rem 4rem;
    max-width: 55%;
}

header {
    margin-bottom: auto;
}

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

.logo-mark {
    width: 32px;
    height: 32px;
    background: linear-gradient(135deg, var(--accent-color), #60a5fa);
    border-radius: 8px;
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    letter-spacing: -0.03em;
}

.main-content {
    margin: 4rem 0;
    max-width: 540px;
    animation: slideUp 0.8s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.eyebrow {
    display: inline-block;
    color: var(--accent-color);
    font-weight: 600;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1.5rem;
}

.title {
    font-size: 4rem;
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.04em;
    color: var(--primary-color);
    margin-bottom: 1.5rem;
}

.description {
    font-size: 1.25rem;
    line-height: 1.6;
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.cta-container {
    background: #f8fafc;
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--border-color);
}

.cta-text {
    font-weight: 500;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.subscribe-form {
    display: flex;
    gap: 0.75rem;
}

input[type="email"] {
    flex: 1;
    padding: 1rem 1.25rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="email"]:focus {
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.btn-primary {
    background-color: var(--accent-color);
    color: white;
    border: none;
    padding: 0 1.75rem;
    border-radius: 8px;
    font-family: inherit;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: background-color 0.2s, transform 0.1s;
    white-space: nowrap;
}

.btn-primary:hover {
    background-color: var(--accent-hover);
}

.btn-primary:active {
    transform: translateY(1px);
}

.form-message {
    margin-top: 0.75rem;
    font-size: 0.875rem;
    font-weight: 500;
    min-height: 1.2rem;
}
.form-message.success { color: #059669; }
.form-message.error { color: #dc2626; }

footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: auto;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.2s;
}

.footer-links a:hover {
    color: var(--primary-color);
}

/* Right Image Section */
.image-section {
    flex: 1;
    position: relative;
    overflow: hidden;
    background-color: #f1f5f9;
}

.hero-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255,255,255,0.05), rgba(15, 23, 42, 0.4));
    z-index: 1;
}

.glass-quote {
    position: absolute;
    bottom: 3rem;
    right: 3rem;
    max-width: 420px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: 2rem;
    border-radius: 16px;
    z-index: 2;
    color: white;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.glass-quote p {
    font-size: 1.125rem;
    line-height: 1.6;
    font-weight: 500;
    margin-bottom: 1rem;
    font-style: italic;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.glass-quote span {
    font-size: 0.875rem;
    font-weight: 600;
    opacity: 0.9;
    text-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .content-section { padding: 2rem; max-width: 50%; }
    .title { font-size: 3rem; }
    .glass-quote { display: none; }
}

@media (max-width: 768px) {
    .split-layout { flex-direction: column; }
    .content-section { max-width: 100%; padding: 2rem; min-height: 100vh; }
    .image-section { display: none; }
    .title { font-size: 2.5rem; }
    .subscribe-form { flex-direction: column; }
    .btn-primary { padding: 1rem; }
    footer { flex-direction: column; gap: 1rem; text-align: center; }
}