:root {
    --grace-bg: #f6f7fb;
    --grace-surface: #ffffff;
    --grace-surface-soft: #eef2f7;
    --grace-text: #1f2937;
    --grace-text-soft: #6b7280;
    --grace-border: #dbe1ea;

    --grace-primary: #5b6cff;
    --grace-primary-hover: #4959e0;
    --grace-primary-soft: #e8ebff;

    --grace-accent: #4c956c;
    --grace-accent-soft: #e7f5ec;

    --grace-warm: #c0841a;
    --grace-warm-soft: #fff4db;

    --grace-danger: #c75c5c;
    --grace-shadow: 0 12px 30px rgba(15, 23, 42, 0.08);
    --grace-radius-lg: 1.5rem;
    --grace-radius-md: 1rem;
    --grace-transition: all 0.25s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", sans-serif;
    background-color: var(--grace-bg);
    color: var(--grace-text);
    line-height: 1.6;
}

/* ========================
   Global Helpers
======================== */

.section-padding {
    padding: 5rem 0;
}

.py-lg-6 {
    padding-top: 6rem;
    padding-bottom: 6rem;
}

.section-eyebrow {
    background-color: var(--grace-primary-soft);
    color: var(--grace-primary);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.04em;
    text-transform: uppercase;
    padding: 0.45rem 0.85rem;
    border-radius: 999px;
}

.card-label {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--grace-text-soft);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.text-muted {
    color: var(--grace-text-soft) !important;
}

/* ========================
   Navbar
======================== */

.site-header {
    backdrop-filter: blur(14px);
}

.grace-navbar {
    background: rgba(246, 247, 251, 0.88);
    border-bottom: 1px solid rgba(219, 225, 234, 0.7);
}

.navbar-brand {
    color: var(--grace-text);
    letter-spacing: -0.03em;
}

.navbar-brand:hover {
    color: var(--grace-primary);
}

.nav-link {
    color: var(--grace-text-soft);
    font-weight: 600;
    transition: var(--grace-transition);
}

.nav-link:hover,
.nav-link:focus {
    color: var(--grace-primary);
}

/* ========================
   Buttons
======================== */

.btn {
    font-weight: 600;
    transition: var(--grace-transition);
    border: none;
}

.btn-grace-primary {
    background-color: var(--grace-primary);
    color: #ffffff;
    box-shadow: 0 10px 20px rgba(91, 108, 255, 0.2);
}

.btn-grace-primary:hover,
.btn-grace-primary:focus {
    background-color: var(--grace-primary-hover);
    color: #ffffff;
    transform: translateY(-1px);
}

.btn-grace-secondary {
    background-color: var(--grace-surface);
    color: var(--grace-text);
    border: 1px solid var(--grace-border);
}

.btn-grace-secondary:hover,
.btn-grace-secondary:focus {
    background-color: var(--grace-surface-soft);
    color: var(--grace-text);
    transform: translateY(-1px);
}

/* ========================
   Hero
======================== */

.hero-section {
    background:
        radial-gradient(circle at top right, rgba(91, 108, 255, 0.08), transparent 25%),
        radial-gradient(circle at bottom left, rgba(76, 149, 108, 0.08), transparent 20%),
        var(--grace-bg);
}

.hero-title {
    color: var(--grace-text);
    line-height: 1.1;
    letter-spacing: -0.04em;
    max-width: 12ch;
}

.hero-text {
    max-width: 42rem;
    color: var(--grace-text-soft);
}

.grace-panel {
    background: linear-gradient(180deg, #ffffff 0%, #f8faff 100%);
    border-radius: var(--grace-radius-lg);
    box-shadow: var(--grace-shadow);
}

.focus-dot {
    width: 0.7rem;
    height: 0.7rem;
    background-color: var(--grace-primary);
    border-radius: 50%;
    flex-shrink: 0;
}

/* ========================
   Cards
======================== */

.grace-card {
    background-color: var(--grace-surface);
    border-radius: var(--grace-radius-lg);
    box-shadow: var(--grace-shadow);
    transition: var(--grace-transition);
}

.grace-card:hover {
    transform: translateY(-3px);
}

.grace-card-accent {
    background: linear-gradient(180deg, #ffffff 0%, #f6f9ff 100%);
}

.section-heading h2,
.card h3,
.card h4 {
    letter-spacing: -0.03em;
}

/* ========================
   Forms
======================== */

.form-label {
    color: var(--grace-text);
    margin-bottom: 0.65rem;
}

.form-control,
.form-select {
    border: 1px solid var(--grace-border);
    border-radius: 1rem;
    padding: 0.9rem 1rem;
    color: var(--grace-text);
    background-color: #ffffff;
    box-shadow: none;
    transition: var(--grace-transition);
}

.form-control:focus,
.form-select:focus {
    border-color: rgba(91, 108, 255, 0.55);
    box-shadow: 0 0 0 0.25rem rgba(91, 108, 255, 0.12);
}

textarea.form-control {
    resize: vertical;
    min-height: 120px;
}

.form-range {
    cursor: pointer;
}

.form-range::-webkit-slider-thumb {
    background: var(--grace-primary);
}

.form-range::-moz-range-thumb {
    background: var(--grace-primary);
    border: none;
}

.range-badge {
    min-width: 3rem;
    text-align: center;
    background-color: var(--grace-primary-soft);
    color: var(--grace-primary);
    font-weight: 700;
    padding: 0.45rem 0.75rem;
    border-radius: 999px;
}

/* ========================
   Result / Message Boxes
======================== */

.result-box,
.encouragement-box {
    background-color: var(--grace-surface-soft);
    border: 1px solid var(--grace-border);
    border-radius: 1.25rem;
    padding: 1rem 1.1rem;
    color: var(--grace-text);
}

.encouragement-box {
    background: linear-gradient(180deg, #f8faff 0%, #edf2ff 100%);
    font-weight: 600;
}

/* ========================
   Money List
======================== */

.money-list {
    gap: 0.75rem;
    display: grid;
}

.money-list .list-group-item {
    border: 1px solid var(--grace-border) !important;
    padding: 1rem 1rem;
    background-color: #ffffff;
    box-shadow: 0 8px 16px rgba(15, 23, 42, 0.04);
}

.empty-state {
    background-color: var(--grace-surface-soft) !important;
    color: var(--grace-text-soft);
}

/* ========================
   Footer
======================== */

.site-footer {
    border-top: 1px solid var(--grace-border);
    background-color: rgba(255, 255, 255, 0.7);
}

/* ========================
   Responsive
======================== */

@media (max-width: 991.98px) {
    .section-padding {
        padding: 4rem 0;
    }

    .hero-title {
        max-width: 100%;
    }

    .navbar-collapse {
        background-color: rgba(246, 247, 251, 0.98);
        padding: 1rem 0;
        margin-top: 1rem;
        border-radius: 1rem;
    }
}

@media (max-width: 767.98px) {
    body {
        font-size: 0.98rem;
    }

    .section-padding {
        padding: 3.5rem 0;
    }

    .hero-section {
        padding-top: 2rem;
    }

    .card-body {
        padding: 1.5rem !important;
    }

    .btn-grace-primary,
    .btn-grace-secondary {
        width: 100%;
    }
}

.result-box,
.encouragement-box {
    transition: opacity 0.25s ease, transform 0.25s ease, border-color 0.25s ease,
        background-color 0.25s ease, color 0.25s ease;
}

.result-box.is-visible,
.encouragement-box.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.result-box:not(.is-visible),
.encouragement-box:not(.is-visible) {
    opacity: 0.85;
    transform: translateY(4px);
}

/* ========================
   Validation States
======================== */

.result-box.success {
    border: 1px solid #4c956c;
    background-color: #e7f5ec;
    color: #2f6b4f;
}

.result-box.error {
    border: 1px solid #c75c5c;
    background-color: #fdeaea;
    color: #8a2d2d;
}

.result-box.warning {
    border: 1px solid #c0841a;
    background-color: #fff4db;
    color: #7a5a1a;
}