:root {
    --c-bg: #f9f9f9;
    --c-surface: #ffffff;
    --c-surface-low: #f3f3f4;
    --c-surface-high: #e8e8e8;
    --c-primary: #a83900;
    --c-primary-container: #fc5b08;
    --c-primary-dim: #e9d7cd;
    --c-text-main: #1a1c1c;
    --c-text-muted: #5b4137;
    --c-outline: #8f7065;
    --c-outline-variant: #e4beb2;

    --font-display: 'Inter', 'Anuphan', sans-serif !important;
    --font-sans: 'Inter', 'Anuphan', sans-serif !important;
    --font-kanit: 'Kanit', sans-serif;
    --font-inter: 'Inter', sans-serif;
}

/* =========================================
   GLOBAL OVERRIDES
   ========================================= */
body,
p,
a,
button,
input,
textarea,
div,
li,
span:not(.material-icons):not(.material-symbols-outlined) {
    font-family: var(--font-sans) !important;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: var(--font-display) !important;
    font-weight: 700 !important;
}

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

.calculator-body {
    margin: 0;
    background-color: var(--c-bg);
    color: var(--c-text-main);
    font-family: var(--font-sans);
    min-height: 100vh;
}

.custom-navbar-layout {
    position: relative;
    margin-bottom: 20px;
}

.custom-brand-link {
    text-decoration: none;
    cursor: pointer;
}

.custom-floating-menu-width {
    width: 100%;
}

/* =========================================
   SYNTO MORTGAGE MAIN LAYOUT (ปรับความกว้างให้เต็มตาขึ้น)
   ========================================= */
.calc-synto-wrapper {
    max-width: 1440px; /* 🌟 เปลี่ยนจาก 1080px เป็น 1440px หรือขยับตัวเลขเพิ่มลดได้ตามต้องการ */
    margin: 0 auto;
    padding: 2rem 2.5rem; /* 🌟 เพิ่มระยะขอบซ้ายขวาเล็กน้อยไม่ให้ชิดขอบจอจนเกินไป */
    box-sizing: border-box;
    zoom: 0.85; /* คงการย่อสเกลไว้ให้คอมแพคสวยงามเหมือนเดิม */
}

@media (max-width: 768px) {
    .calc-synto-wrapper {
        zoom: 1;
        padding: 1.5rem 1rem;
    }
}

.calc-top-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2.5rem;
    flex-wrap: wrap;
    gap: 0.75rem;
}

.calc-nav-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.calc-back-btn {
    width: 2.5rem;
    height: 2.5rem;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--c-surface-high);
    color: inherit;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: background-color 0.2s;
}

.calc-back-btn:hover {
    background-color: #dadada;
}

.calc-nav-titles {
    display: flex;
    flex-direction: column;
}

/* =========================================
   ปรับขนาด Header และ Subheader ให้ใหญ่และสมส่วนขึ้น
   ========================================= */
.calc-nav-title { 
    font-family: var(--font-kanit); 
    font-size: 2.25rem; /* 🌟 ขยายขนาดจาก 1.5rem เป็น 2.25rem */
    font-weight: 600; 
    color: var(--c-primary-container); 
    margin: 0; 
    line-height: 1.2; 
}

.calc-nav-subtitle { 
    font-family: var(--font-sans); 
    font-size: 1.125rem; /* 🌟 ขยายขนาดจาก 0.875rem เป็น 1.125rem */
    color: var(--c-text-muted); 
    text-transform: uppercase; 
    letter-spacing: 0.1em; 
    margin: 0; 
}

/*
 * FIX #2: promo badge
 * ก่อน: display:none บน mobile → ซ่อน anchoring trigger ที่สำคัญที่สุด
 * หลัง: แสดงทุก breakpoint เสมอ
 */
.calc-promo-badge {
    display: flex;
    /* เปลี่ยนจาก display:none → flex ตลอดเวลา */
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    border: 1px solid var(--c-outline-variant);
    background-color: var(--c-surface);
}

/* pulse animation สำหรับ promo dot */
.promo-dot {
    width: 0.5rem;
    height: 0.5rem;
    border-radius: 9999px;
    background-color: #22c55e;
    flex-shrink: 0;
}

.promo-dot--pulse {
    animation: promoPulse 2s ease-in-out infinite;
}

@keyframes promoPulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
    }

    50% {
        box-shadow: 0 0 0 5px rgba(34, 197, 94, 0);
    }
}

.promo-text {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 500;
}

/* =========================================
   GRID
   ========================================= */
.calc-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 1024px) {
    .calc-grid {
        grid-template-columns: repeat(12, 1fr);
    }

    .calc-col-inputs {
        grid-column: span 7;
    }

    .calc-col-results {
        grid-column: span 5;
    }
}

.calc-col-inputs,
.calc-col-results {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.calc-glass-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.4);
    box-shadow: 0 8px 32px 0 rgba(45, 55, 72, 0.05);
    border-radius: 1.5rem;
    padding: 2rem;
    box-sizing: border-box;
}

/* =========================================
   TABS & INPUTS
   ========================================= */
.calc-tabs-container {
    display: flex;
    margin: -2rem -2rem 2rem -2rem;
    padding: 0;
    background-color: transparent;
    border-radius: 1.5rem 1.5rem 0 0;
    overflow: hidden;
}

.calc-tab-btn {
    flex: 1;
    padding: 1.25rem 1rem;
    border: none;
    background-color: rgba(0, 0, 0, 0.05);
    font-family: var(--font-kanit);
    font-size: 1.125rem;
    font-weight: 500;
    color: var(--c-text-muted);
    border-radius: 0;
    cursor: pointer;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.calc-tab-btn:hover:not(.active) {
    background-color: rgba(0, 0, 0, 0.02);
    color: var(--c-primary-container);
}

.calc-tab-btn.active {
    background-color: transparent;
    color: var(--c-primary-container);
    font-weight: 600;
    box-shadow: none;
}

.calc-tab-content {
    display: none;
}

.calc-tab-content.active {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.calc-hint-text {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--c-text-muted);
    margin-top: 0.5rem;
    display: block;
}

.calc-form-stack {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.calc-field-group {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.calc-field-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

.calc-label {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    color: var(--c-text-muted);
}

.calc-value-display {
    font-family: var(--font-kanit);
    font-size: 1.5rem;
    color: var(--c-primary-container);
    font-weight: 600;
}

.calc-value-display small {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 400;
    color: var(--c-text-main);
}

.calc-slider {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: var(--c-primary-dim);
    background-image: linear-gradient(var(--c-primary-container), var(--c-primary-container));
    background-repeat: no-repeat;
    border-radius: 5px;
    outline: none;
}

.calc-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    height: 20px;
    width: 20px;
    border-radius: 50%;
    background: var(--c-primary-container);
    cursor: pointer;
    box-shadow: 0 0 2px 0 rgba(0, 0, 0, 0.5);
}

.calc-chips-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}

.calc-chip-btn {
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    background-color: var(--c-surface);
    border: 1px solid var(--c-outline-variant);
    text-align: center;
    font-family: var(--font-sans);
    font-size: 1.125rem;
    cursor: pointer;
    transition: 0.2s;
    color: inherit;
    box-sizing: border-box;
}

.calc-chip-btn:hover {
    border-color: var(--c-primary-container);
}

.calc-chip-btn.active {
    background-color: var(--c-primary-container);
    color: #fff;
    border-color: var(--c-primary-container);
}

.calc-custom-input-wrapper {
    position: relative;
}

.calc-custom-input {
    width: 100%;
    padding: 0.75rem 1rem;
    border-radius: 0.5rem;
    background-color: var(--c-surface);
    border: 1px solid var(--c-outline-variant);
    font-family: var(--font-sans);
    font-size: 1.125rem;
    outline: none;
    transition: 0.2s;
    box-sizing: border-box;
}

.calc-custom-input:focus {
    border-color: var(--c-primary-container);
}

.calc-split-row {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

@media (min-width: 768px) {
    .calc-split-row {
        grid-template-columns: 1fr 1fr;
    }
}

.calc-rate-wrapper {
    position: relative;
}

.calc-rate-input {
    width: 100%;
    padding: 1rem;
    border-radius: 0.5rem;
    background-color: var(--c-surface);
    border: none;
    border-bottom: 2px solid var(--c-outline-variant);
    font-family: var(--font-kanit);
    font-size: 1.5rem;
    font-weight: 600;
    outline: none;
    transition: 0.2s;
    box-sizing: border-box;
}

.calc-rate-input:focus {
    border-color: var(--c-primary-container);
}

.calc-rate-suffix {
    position: absolute;
    right: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--c-text-muted);
    font-family: var(--font-sans);
}

/* =========================================
   PARTNERS CARD
   FIX #5: เอา grayscale filter ออก ให้สีแสดงจริง = credibility สูงกว่า
   ========================================= */
.calc-partners-card {
    padding: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.calc-partners-label {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--c-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0;
}

.calc-partners-logos {
    display: flex;
    gap: 1.5rem;
    align-items: center;
    /* ก่อน: opacity: 0.7; filter: grayscale(100%) → ดูเหมือน disabled placeholder */
    /* หลัง: แสดงสีจริง เสมอ ให้ดู professional และน่าเชื่อถือ */
    opacity: 1;
    filter: none;
    transition: 0.3s;
}

.calc-partners-card:hover .calc-partners-logos {
    opacity: 1;
    filter: none;
}

.calc-partner-brand {
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.partner-dot {
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
}

.partner-scb {
    background-color: #4e2e7f;
}

.partner-kbank {
    background-color: #138f2d;
}

.partner-ghb {
    background-color: #ff6600;
}

.partner-name {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    font-weight: 700;
}

/* =========================================
   RESULT SECTION
   ========================================= */
.calc-result-card {
    border-top: 4px solid var(--c-primary-container);
}

.calc-result-heading {
    text-align: center;
    margin-bottom: 2rem;
}

.calc-result-subtitle {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    color: var(--c-text-muted);
    margin: 0 0 0.5rem 0;
}

.calc-result-big {
    font-family: var(--font-kanit);
    font-size: 2.5rem;
    color: var(--c-primary-container);
    font-weight: 600;
    margin: 0 0 0.5rem 0;
    line-height: 1.1;
}

.calc-result-note {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--c-text-muted);
    margin: 0;
}

.calc-viz-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.calc-donut-box {
    position: relative;
    width: 12rem;
    height: 12rem;
}

/*
 * FIX #4: SVG sizing
 * ก่อน: ไม่มี viewBox → circle cx/cy/r ไม่สัมพัทธ์กับ viewport → clip บน screen แคบ
 * หลัง: viewBox="0 0 192 192" ใน HTML + width/height:100% ใน CSS → scale ถูกต้องทุก size
 */
.calc-donut-svg {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
    display: block;
}

.calc-donut-track {
    fill: transparent;
    stroke: var(--c-primary-dim);
    stroke-width: 20;
}

.calc-donut-progress {
    fill: transparent;
    stroke: var(--c-primary-container);
    stroke-width: 20;
    stroke-dasharray: 502;
    stroke-dashoffset: 150;
    transition: stroke-dashoffset 0.5s ease;
}

.calc-donut-text {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.donut-lbl {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--c-text-muted);
}

.donut-val {
    font-family: var(--font-kanit);
    font-size: 1.5rem;
    font-weight: 600;
    margin-top: 0.2rem;
}

.calc-legend {
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

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

.legend-color-p {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background-color: var(--c-primary-container);
    flex-shrink: 0;
}

.legend-color-i {
    width: 0.75rem;
    height: 0.75rem;
    border-radius: 50%;
    background-color: var(--c-primary-dim);
    flex-shrink: 0;
}

.legend-info {
    display: flex;
    flex-direction: column;
}

.legend-lbl {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--c-text-muted);
}

.legend-val {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 600;
}

.calc-summary-box {
    background-color: var(--c-surface-low);
    border-radius: 0.75rem;
    padding: 1.5rem;
    margin-bottom: 2rem;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--c-outline-variant);
    flex-wrap: wrap;
    gap: 0.25rem;
}

.summary-row:last-child {
    border-bottom: none;
}

.s-lbl {
    font-family: var(--font-sans);
    font-size: 1rem;
    color: var(--c-text-muted);
}

.s-val {
    font-family: var(--font-sans);
    font-size: 1.125rem;
    font-weight: 600;
}

/*
 * FIX #6: tooltip สำหรับ insurance label
 * ช่วยลด "hidden cost" perception → สร้าง transparency → trust สูงขึ้น
 */
.s-tooltip {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background-color: var(--c-outline-variant);
    color: var(--c-text-muted);
    font-size: 0.65rem;
    font-weight: 700;
    cursor: help;
    margin-left: 4px;
    vertical-align: middle;
    transition: background-color 0.2s;
}

.s-tooltip:hover {
    background-color: var(--c-primary-container);
    color: white;
}

/* =========================================
   CTA BLOCK
   FIX #1: ย้ายออกนอก .calc-tab-content
   - ก่อน: อยู่ใน tab-content → ซ่อน/แสดงตาม tab state
   - หลัง: แสดงตลอด ไม่ว่าจะอยู่ tab ไหน
   - เพิ่ม social proof + urgency note
   ========================================= */
.calc-cta-block {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-top: 0.5rem;
}

/* Social proof strip */
.calc-social-proof {
    display: flex;
    align-items: center;
    justify-content: center;
    /* 🌟 เพิ่มคำสั่งนี้เพื่อจัดกึ่งกลางแนวนอนให้อยู่ตรงกลางเป๊ะ */
    gap: 0.5rem;
    background-color: var(--c-surface-low);
    border-radius: 0.5rem;
    padding: 0.6rem 1rem;
    font-size: 0.875rem;
    color: var(--c-text-muted);
    text-align: center;
    /* 🌟 เผื่อหน้าจอมือถือเล็กแล้วข้อความตกบรรทัด จะได้จัดกึ่งกลางสวยงาม */
}

.sp-icon {
    font-size: 1.1rem !important;
    color: var(--c-primary-container);
}

/* Main CTA */
.calc-cta {
    width: 100%;
    padding: 1.1rem 1.25rem;
    border-radius: 0.75rem;
    background-color: var(--c-primary-container);
    color: #fff;
    font-family: var(--font-kanit);
    font-size: 1rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    border: none;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    box-shadow: 0 6px 20px rgba(252, 91, 8, 0.3);
    box-sizing: border-box;
}

.calc-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(252, 91, 8, 0.4);
}

.calc-cta:active {
    transform: scale(0.97);
}

.cta-text-block {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
}

.cta-primary {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.2;
}

.cta-secondary {
    font-size: 0.75rem;
    font-weight: 400;
    opacity: 0.85;
    line-height: 1.3;
}

/* Urgency note */
.calc-urgency-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    font-size: 0.75rem;
    color: var(--c-text-muted);
    text-align: center;
}

/* =========================================
   FEATURED IMAGE
   FIX #3: ย้ายมาอยู่ใน calc-col-results (ใน HTML)
   CSS เดิมใช้ได้เลย ไม่ต้องเปลี่ยน
   ========================================= */
.calc-featured-image {
    position: relative;
    height: 10rem;
    border-radius: 1rem;
    overflow: hidden;
    cursor: pointer;
}

.calc-f-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.7s;
}

.calc-featured-image:hover .calc-f-img {
    transform: scale(1.1);
}

.calc-f-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to right, rgba(0, 0, 0, 0.6), transparent);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 0 2rem;
}

.calc-f-title {
    color: #fff;
    font-family: var(--font-kanit);
    font-size: 1.5rem;
    margin: 0;
}

.calc-f-subtitle {
    color: rgba(255, 255, 255, 0.8);
    font-family: var(--font-sans);
    font-size: 0.875rem;
    margin: 0;
}

/* =========================================
   FOOTER NOTE
   ========================================= */
.calc-footer-note {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--c-outline-variant);
    text-align: center;
}

.calc-f-note {
    font-family: var(--font-sans);
    font-size: 0.875rem;
    color: var(--c-text-muted);
    max-width: 42rem;
    margin: 0 auto;
    font-style: italic;
}