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

:root {
    --bg-primary: #1a1410;
    --bg-secondary: #241e18;
    --text-primary: #f4ede4;
    --text-secondary: #b5a394;
    --accent: #d4813f;
    --accent-hover: #e69350;
    --border: #3a2f24;
}

body {
    font-family: 'IBM Plex Mono', monospace;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 15px;
}

.container {
    max-width: 680px;
    margin: 0 auto;
    padding: 70px 28px 50px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

header {
    margin-bottom: 100px;
    display: flex;
    align-items: center;
}

.logo {
    font-family: 'Crimson Pro', serif;
    font-size: 26px;
    font-weight: 600;
    letter-spacing: -0.3px;
    color: var(--accent);
    border-left: 3px solid var(--accent);
    padding-left: 14px;
}

main {
    flex: 1;
}

h1 {
    font-family: 'Crimson Pro', serif;
    font-size: 52px;
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -1.2px;
    margin-bottom: 32px;
    color: var(--text-primary);
    max-width: 620px;
}

.subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    margin-bottom: 70px;
    line-height: 1.8;
    max-width: 580px;
    letter-spacing: 0.2px;
}

.features {
    display: grid;
    gap: 0;
    margin-bottom: 70px;
    padding: 0;
    border-left: 2px solid var(--border);
    padding-left: 0;
}

.feature-item {
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 28px 0 28px 24px;
    border-bottom: 1px solid var(--border);
    transition: border-color 0.3s ease;
}

.feature-item:hover {
    border-bottom-color: var(--accent);
}

.feature-item:last-child {
    border-bottom: none;
}

.feature-label {
    font-family: 'Crimson Pro', serif;
    font-size: 19px;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.3px;
}

.feature-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.7;
    letter-spacing: 0.1px;
}

.cta-section {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 28px;
    margin-top: 70px;
}

.demo-btn {
    background-color: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
    padding: 16px 40px;
    font-size: 15px;
    font-weight: 500;
    font-family: 'IBM Plex Mono', monospace;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
}

.demo-btn:hover {
    background-color: var(--accent);
    color: var(--bg-primary);
    transform: translateY(-1px);
}

.contact {
    font-size: 14px;
    color: var(--text-secondary);
    letter-spacing: 0.2px;
}

.contact a {
    color: var(--accent);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: border-color 0.2s ease;
}

.contact a:hover {
    border-bottom-color: var(--accent);
}

footer {
    margin-top: 100px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
}

footer p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.8;
    letter-spacing: 0.2px;
    font-style: italic;
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(26, 20, 16, 0.95);
    z-index: 1000;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 1;
}

.modal-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border);
    max-width: 520px;
    width: 90%;
    padding: 48px 40px;
    position: relative;
    transform: translateY(20px);
    transition: transform 0.3s ease;
}

.modal.active .modal-content {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 32px;
    cursor: pointer;
    line-height: 1;
    padding: 0;
    width: 32px;
    height: 32px;
    transition: color 0.2s ease;
}

.modal-close:hover {
    color: var(--accent);
}

.modal h2 {
    font-family: 'Crimson Pro', serif;
    font-size: 32px;
    font-weight: 600;
    letter-spacing: -0.8px;
    margin-bottom: 32px;
    color: var(--text-primary);
}

.form-group {
    margin-bottom: 24px;
}

.form-group label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    background-color: var(--bg-primary);
    border: 1px solid var(--border);
    color: var(--text-primary);
    padding: 12px 14px;
    font-family: 'IBM Plex Mono', monospace;
    font-size: 14px;
    transition: border-color 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.submit-btn {
    width: 100%;
    background-color: transparent;
    color: var(--accent);
    border: 2px solid var(--accent);
    padding: 16px;
    font-size: 15px;
    font-weight: 500;
    font-family: 'IBM Plex Mono', monospace;
    letter-spacing: 0.5px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    margin-top: 8px;
}

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

.success-message {
    display: none;
    text-align: center;
    padding: 40px 20px;
}

.success-message.active {
    display: block;
}

.success-message p {
    font-size: 16px;
    color: var(--text-primary);
    line-height: 1.7;
}

#demoForm.hidden {
    display: none;
}

/* Responsive */
@media (max-width: 640px) {
    .container {
        padding: 50px 24px 40px;
    }

    header {
        margin-bottom: 70px;
    }

    .logo {
        font-size: 22px;
    }

    h1 {
        font-size: 38px;
        letter-spacing: -0.8px;
    }

    .subtitle {
        font-size: 15px;
        margin-bottom: 50px;
    }

    .features {
        margin-bottom: 50px;
    }

    .feature-item {
        padding: 22px 0 22px 20px;
    }

    .feature-label {
        font-size: 17px;
    }

    .cta-section {
        margin-top: 50px;
    }

    footer {
        margin-top: 70px;
    }

    .modal-content {
        width: 92%;
        padding: 36px 28px;
    }

    .modal h2 {
        font-size: 26px;
        margin-bottom: 28px;
    }

    .form-group {
        margin-bottom: 20px;
    }
}