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

:root {
    --color-primary: #1a1a2e;
    --color-accent: #0066ff;
    --color-accent-hover: #0052cc;
    --color-text: #333;
    --color-text-light: #666;
    --color-bg: #fafafa;
    --color-white: #ffffff;
    --color-border: #e0e0e0;
    --color-success: #0a8f08;
    --color-error: #d32f2f;
    --radius: 8px;
    --shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
    --max-width: 640px;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}


.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 20px;
}


.header {
    background: var(--color-primary);
    padding: 20px 0;
}

.logo {
    color: var(--color-white);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.5px;
}

.logo-dot {
    color: var(--color-accent);
}


.hero {
    padding: 48px 0 32px;
    text-align: center;
}

.hero-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    margin-bottom: 16px;
    max-width: 520px;
    margin-left: auto;
    margin-right: auto;
}

.hero-cta {
    font-size: 1rem;
    color: var(--color-accent);
    font-weight: 600;
}


.form-section {
    padding: 0 0 64px;
}

.subscribe-form {
    background: var(--color-white);
    padding: 32px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
}


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

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 6px;
}

.form-group .optional {
    font-weight: 400;
    color: var(--color-text-light);
    font-size: 0.8rem;
}


.required {
    color: var(--color-error);
    font-weight: 700;
}

.form-note {
    font-size: 0.8rem;
    color: var(--color-text-light);
    margin-bottom: 4px;
}


.field-error {
    display: block;
    color: #d32f2f;
    font-size: 0.825rem;
    font-weight: 600;
    line-height: 1.4;
    margin-top: 6px;
}

.field-error:empty {
    display: none;
}


.field-error:not(:empty)::before {
    content: "⚠ ";
}

.form-group input.is-invalid,
.form-group textarea.is-invalid {
    border-color: var(--color-error);
}

.form-group input.is-invalid:focus,
.form-group textarea.is-invalid:focus {
    border-color: var(--color-error);
    box-shadow: 0 0 0 3px rgba(211, 47, 47, 0.12);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 12px 16px;
    font-size: 1rem;
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    background: var(--color-white);
    color: var(--color-text);
    transition: border-color 0.2s ease;
    font-family: inherit;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #aaa;
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}


.btn-submit {
    width: 100%;
    padding: 14px 24px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--color-white);
    background: var(--color-accent);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    transition: background-color 0.2s ease, transform 0.1s ease;
    margin-top: 8px;
}

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

.btn-submit:active {
    transform: scale(0.98);
}


.htmx-indicator {
    display: none;
}

.htmx-request .btn-text {
    display: none;
}

.htmx-request .htmx-indicator {
    display: inline;
}

.htmx-request .btn-submit {
    opacity: 0.7;
    cursor: wait;
}


.form-response {
    margin-top: 24px;
    padding: 20px;
    border-radius: var(--radius);
    text-align: center;
}

.form-response.success {
    background: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: var(--color-success);
}

.form-response.error {
    background: #fef2f2;
    border: 1px solid #fecaca;
    color: var(--color-error);
}

.form-response .response-icon {
    font-size: 2rem;
    margin-bottom: 8px;
}

.form-response h3 {
    margin-bottom: 8px;
    font-size: 1.1rem;
}

.form-response p {
    font-size: 0.95rem;
    line-height: 1.5;
}

.form-response ul {
    text-align: left;
    padding-left: 20px;
    margin-top: 8px;
}

.form-response ul li {
    margin-bottom: 4px;
    font-size: 0.9rem;
}


.footer {
    margin-top: auto;
    padding: 24px 0;
    text-align: center;
    color: var(--color-text-light);
    font-size: 0.85rem;
    border-top: 1px solid var(--color-border);
}




@media (min-width: 768px) {
    .hero {
        padding: 64px 0 40px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .subscribe-form {
        padding: 40px;
    }
}


@media (min-width: 1024px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }
}


@media (max-width: 375px) {
    .container {
        padding: 0 16px;
    }

    .subscribe-form {
        padding: 24px 16px;
    }

    .hero-title {
        font-size: 1.75rem;
    }
}



.consent-group {
    margin: 24px 0 8px;
    padding: 16px;
    background: #f8f9fb;
    border-radius: var(--radius);
    border: 1px solid var(--color-border);
}

.consent-item {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
}

.consent-item:last-child { margin-bottom: 0; }

.consent-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    flex-shrink: 0;
    accent-color: var(--color-accent);
}

.consent-item label {
    font-size: 0.875rem;
    font-weight: 400;
    line-height: 1.45;
    color: var(--color-text);
    margin: 0;
}

.consent-optional {
    color: var(--color-text-light);
    font-size: 0.8rem;
}

.phone-row {
    display: flex;
    align-items: stretch;
    gap: 8px;
}

.phone-prefix {
    display: flex;
    align-items: center;
    padding: 0 14px;
    background: var(--color-bg);
    border: 1.5px solid var(--color-border);
    border-radius: var(--radius);
    font-size: 1rem;
    color: var(--color-text-light);
    white-space: nowrap;
}

.phone-row input { flex: 1; min-width: 0; }

.logo-link { text-decoration: none; }


.legal {
    padding: 40px 0 64px;
}

.legal h2 {
    font-size: 1.75rem;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.legal h3 {
    font-size: 1.05rem;
    color: var(--color-primary);
    margin: 32px 0 10px;
}

.legal p, .legal li {
    color: var(--color-text);
    font-size: 0.95rem;
    line-height: 1.65;
    margin-bottom: 12px;
}

.legal ul {
    padding-left: 22px;
    margin-bottom: 16px;
}

.legal a { color: var(--color-accent); }

.legal-date {
    color: var(--color-text-light);
    font-size: 0.85rem;
    margin-bottom: 24px;
}

.legal-warning {
    background: #fffbeb;
    border: 1px solid #fde68a;
    border-radius: var(--radius);
    padding: 14px 16px;
    font-size: 0.9rem;
    line-height: 1.5;
    margin-bottom: 28px;
}

.legal-back {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.footer a { color: var(--color-text-light); }