/* ============================================
   SCALETOOLS — Hub page styles
   Uses design-system.md tokens from style.css
   ============================================ */

/* Shared utilities from the new design system */
.eyebrow {
    font-family: var(--font-mono);
    font-size: 0.8125rem;
    color: var(--purple);
    letter-spacing: 2px;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 20px;
}

.text-gradient {
    background: linear-gradient(90deg, var(--purple-light), var(--purple), #e879f9, var(--purple-dark), var(--purple-light));
    background-size: 200% 100%;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: stGradient 4s ease-in-out infinite;
    filter: drop-shadow(0 0 30px rgba(168, 85, 247, 0.3));
}
@keyframes stGradient {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 9999px;
    font: 500 0.75rem/1 var(--font-mono);
    letter-spacing: 0.3px;
}
.badge-purple {
    background: rgba(168, 85, 247, 0.12);
    color: var(--purple-light);
    border: 1px solid rgba(168, 85, 247, 0.25);
}
.badge-neutral {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border: 1px solid var(--border-subtle);
}

/* ============================================
   MAIN
   ============================================ */
.st-main {
    position: relative;
    z-index: 3;
    padding-top: 140px;
    padding-bottom: 120px;
    min-height: 100vh;
}

/* Header */
.st-header {
    text-align: center;
    padding: 40px 0 72px;
}

.st-title {
    font-size: clamp(2.2rem, 5vw, 3.8rem);
    font-weight: 900;
    line-height: 1.1;
    letter-spacing: -2px;
    margin-bottom: 24px;
    color: var(--text-primary);
}

.st-lead {
    font-size: 1.0625rem;
    color: var(--text-secondary);
    max-width: 680px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Grid */
.st-grid-section {
    padding-bottom: 40px;
}

.st-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

/* Tool card */
.st-tool-card {
    display: flex;
    flex-direction: column;
    gap: 16px;
    padding: 36px 32px;
    border-radius: var(--radius-lg);
    background: rgba(13, 13, 13, 0.6);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border: 1px solid var(--border-subtle);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 8px 32px rgba(0, 0, 0, 0.4);
    color: inherit;
    text-decoration: none;
    min-height: 320px;
    cursor: pointer;
}
@supports not (backdrop-filter: blur(10px)) {
    .st-tool-card { background: rgba(13, 13, 13, 0.95); }
}

.st-tool-card:hover {
    transform: translateY(-4px);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.12),
        0 20px 60px rgba(0, 0, 0, 0.5),
        0 0 60px rgba(168, 85, 247, 0.1);
}

.st-tool-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.18), rgba(168, 85, 247, 0.05));
    border: 1px solid rgba(168, 85, 247, 0.25);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--purple-light);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}
.st-tool-card:hover .st-tool-icon {
    background: linear-gradient(135deg, rgba(168, 85, 247, 0.28), rgba(168, 85, 247, 0.08));
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 0 30px rgba(168, 85, 247, 0.25);
}
.st-tool-icon--muted {
    background: rgba(255, 255, 255, 0.04);
    border-color: var(--border-subtle);
    color: var(--text-muted);
}

.st-tool-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.st-tool-title {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-primary);
}

.st-tool-desc {
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.st-tool-points {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-top: 4px;
}
.st-tool-points li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    padding-left: 22px;
    position: relative;
}
.st-tool-points li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(168, 85, 247, 0.15);
    border: 1px solid rgba(168, 85, 247, 0.35);
    box-shadow: 0 0 8px rgba(168, 85, 247, 0.2);
}

.st-tool-cta {
    margin-top: auto;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.9375rem;
    color: var(--purple-light);
    padding-top: 16px;
    border-top: 1px solid var(--border-subtle);
    transition: gap var(--transition);
}
.st-tool-card:hover .st-tool-cta { gap: 14px; }
.st-tool-cta--ghost { color: var(--text-secondary); }

.st-tool-card--soon {
    opacity: 0.85;
    cursor: default;
}
.st-tool-card--soon:hover {
    transform: none;
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.08),
        0 8px 32px rgba(0, 0, 0, 0.4);
}

/* Mobile */
@media (max-width: 768px) {
    .st-main { padding-top: 110px; padding-bottom: 80px; }
    .st-header { padding: 24px 0 48px; }
    .st-grid { grid-template-columns: 1fr; gap: 16px; }
    .st-tool-card { padding: 28px 24px; min-height: 0; }
    .st-tool-card:hover { transform: none; }
    .st-title { letter-spacing: -1px; }
}

@media (prefers-reduced-motion: reduce) {
    .text-gradient { animation: none; }
    .st-tool-card, .st-tool-icon { transition: none; }
}

/* ============================================
   NEWSLETTER MODAL
   ============================================ */
.nl-modal {
    position: fixed;
    inset: 0;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}
.nl-modal[hidden] { display: none; }
.nl-modal.is-open { opacity: 1; pointer-events: auto; }

.nl-backdrop {
    position: absolute;
    inset: 0;
    background: rgba(5, 5, 5, 0.72);
    backdrop-filter: blur(12px) saturate(140%);
    -webkit-backdrop-filter: blur(12px) saturate(140%);
}

.nl-dialog {
    position: relative;
    width: 100%;
    max-width: 520px;
    padding: 44px 40px 36px;
    border-radius: 24px;
    background:
        linear-gradient(135deg, rgba(168, 85, 247, 0.14), rgba(168, 85, 247, 0.04)),
        rgba(13, 13, 13, 0.85);
    border: 1px solid rgba(168, 85, 247, 0.25);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    box-shadow:
        inset 0 1px 0 rgba(255, 255, 255, 0.12),
        0 24px 80px rgba(0, 0, 0, 0.6),
        0 0 60px rgba(168, 85, 247, 0.12);
    transform: translateY(14px) scale(0.98);
    opacity: 0;
    transition:
        transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1),
        opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}
.nl-modal.is-open .nl-dialog { transform: translateY(0) scale(1); opacity: 1; }

@supports not (backdrop-filter: blur(10px)) {
    .nl-dialog { background: rgba(13, 13, 13, 0.98); }
    .nl-backdrop { background: rgba(5, 5, 5, 0.92); }
}

.nl-orb {
    position: absolute;
    top: -60px;
    right: -60px;
    width: 240px;
    height: 240px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(168, 85, 247, 0.35), transparent 70%);
    filter: blur(40px);
    pointer-events: none;
}

.nl-close {
    position: absolute;
    top: 14px;
    right: 14px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s;
    z-index: 2;
}
.nl-close:hover {
    color: var(--text-primary);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(168, 85, 247, 0.4);
}

.nl-eyebrow { margin-bottom: 14px; position: relative; z-index: 1; }

.nl-title {
    position: relative;
    z-index: 1;
    font-size: clamp(1.625rem, 3vw, 2rem);
    font-weight: 900;
    line-height: 1.15;
    letter-spacing: -0.8px;
    margin-bottom: 14px;
    color: var(--text-primary);
}

.nl-sub {
    position: relative;
    z-index: 1;
    font-size: 0.9375rem;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 24px;
}

.nl-form {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.nl-field input {
    width: 100%;
    background: rgba(5, 5, 5, 0.55);
    border: 1px solid var(--border-subtle);
    border-radius: 12px;
    padding: 14px 16px;
    font: 500 0.9375rem/1.3 var(--font-main);
    color: var(--text-primary);
    min-height: 48px;
    transition: all 0.2s;
}
.nl-field input::placeholder { color: var(--text-muted); }
.nl-field input:hover { border-color: rgba(255, 255, 255, 0.14); }
.nl-field input:focus {
    outline: none;
    border-color: rgba(168, 85, 247, 0.5);
    box-shadow: 0 0 0 3px rgba(168, 85, 247, 0.15);
    background: rgba(5, 5, 5, 0.75);
}

.nl-submit {
    margin-top: 4px;
    width: 100%;
    justify-content: center;
    min-height: 50px;
    font-size: 0.9375rem;
}
.nl-submit:disabled { opacity: 0.7; cursor: wait; }

.nl-feedback {
    font-size: 0.8125rem;
    line-height: 1.5;
    min-height: 1em;
    margin-top: 4px;
    color: var(--text-muted);
}
.nl-feedback.is-error { color: #f87171; }
.nl-feedback.is-success { color: #4ade80; }

.nl-fineprint {
    position: relative;
    z-index: 1;
    font-size: 0.75rem;
    color: var(--text-muted);
    line-height: 1.6;
    margin-top: 18px;
    text-align: center;
}
.nl-fineprint a { color: var(--text-secondary); text-decoration: underline; text-decoration-color: rgba(255,255,255,0.2); }
.nl-fineprint a:hover { color: var(--purple-light); }

@media (max-width: 560px) {
    .nl-dialog { padding: 36px 24px 28px; border-radius: 20px; }
    .nl-title { font-size: 1.5rem; }
}

@media (prefers-reduced-motion: reduce) {
    .nl-modal, .nl-dialog { transition: none; }
}

/* Footer bottom trim (shared) */
.footer { position: relative; z-index: 3; padding: 40px 0; border-top: 1px solid var(--border-subtle); background: var(--bg-primary); }
.footer-bottom { text-align: center; color: var(--text-muted); font-size: 0.8125rem; }
.footer-bottom a { color: var(--text-secondary); }
.footer-bottom a:hover { color: var(--purple-light); }