/*** 
====================================================================
    Sthira Living - Instant Estimate Multi-Step Calculator Styles
====================================================================
***/

:root {
    --calc-primary: #e9212e;
    --calc-primary-dark: #cb1723;
    --calc-primary-light: #fff0f1;
    --calc-dark: #1b1c20;
    --calc-gray-900: #27282c;
    --calc-gray-700: #4a4d55;
    --calc-gray-500: #7c7e84;
    --calc-gray-300: #e2e8f0;
    --calc-gray-200: #edf2f7;
    --calc-gray-100: #f8fafc;
    --calc-white: #ffffff;
    --calc-success: #10b981;
    --calc-whatsapp: #25d366;
    --calc-shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
    --calc-shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
    --calc-shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.12);
    --calc-radius-sm: 8px;
    --calc-radius-md: 14px;
    --calc-radius-lg: 20px;
}

body.calc-page-body {
    background-color: #f5f7fa;
    font-family: 'Poppins', 'Rubik', sans-serif;
    color: var(--calc-gray-900);
    margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* Header & Navigation */
.calc-top-header {
    background: #ffffff;
    border-bottom: 1px solid var(--calc-gray-200);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

.calc-header-inner {
    max-width: 1140px;
    margin: 0 auto;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.calc-logo a {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.calc-logo img {
    height: 44px;
    width: auto;
    object-fit: contain;
}

.calc-stepper-nav {
    display: flex;
    align-items: center;
    gap: 28px;
}

.calc-step-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--calc-gray-500);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    position: relative;
}

.calc-step-item .step-circle {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--calc-gray-200);
    color: var(--calc-gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.calc-step-item.active {
    color: var(--calc-primary);
}

.calc-step-item.active .step-circle {
    background: var(--calc-primary);
    color: #ffffff;
    box-shadow: 0 0 0 4px var(--calc-primary-light);
}

.calc-step-item.completed {
    color: var(--calc-gray-900);
}

.calc-step-item.completed .step-circle {
    background: #27282c;
    color: #ffffff;
}

.calc-step-divider {
    width: 24px;
    height: 2px;
    background: var(--calc-gray-200);
}

.calc-step-item.completed + .calc-step-divider {
    background: var(--calc-primary);
}

.calc-header-exit a {
    font-size: 13px;
    font-weight: 600;
    color: var(--calc-gray-700);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 30px;
    border: 1px solid var(--calc-gray-300);
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    gap: 6px;
}

.calc-header-exit a:hover {
    background: var(--calc-gray-200);
    color: var(--calc-dark);
}

/* Progress bar strip on top */
.calc-top-progress-bar {
    height: 4px;
    width: 100%;
    background: var(--calc-gray-200);
    position: relative;
    overflow: hidden;
}

.calc-top-progress-fill {
    height: 100%;
    width: 25%;
    background: linear-gradient(90deg, #e9212e, #ff4d5a);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Main Container */
.calc-main-wrapper {
    flex: 1;
    max-width: 900px;
    width: 100%;
    margin: 35px auto 40px;
    padding: 0 20px;
}

.calc-card-container {
    background: #ffffff;
    border-radius: var(--calc-radius-lg);
    box-shadow: var(--calc-shadow-md);
    border: 1px solid #eef2f6;
    padding: 42px 48px 36px;
    position: relative;
    overflow: hidden;
}

/* Step Headers */
.calc-step-header {
    text-align: center;
    margin-bottom: 34px;
}

.calc-step-tag {
    display: inline-block;
    background: var(--calc-primary-light);
    color: var(--calc-primary);
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: 4px 12px;
    border-radius: 20px;
    margin-bottom: 10px;
}

.calc-step-title {
    font-size: 28px;
    line-height: 36px;
    font-weight: 700;
    color: var(--calc-gray-900);
    margin: 0 0 8px;
}

.calc-step-subtitle {
    font-size: 15px;
    color: var(--calc-gray-500);
    margin: 0;
}

/* Step Views */
.calc-step-view {
    display: none;
    animation: fadeInStep 0.35s ease forwards;
}

.calc-step-view.active {
    display: block;
}

@keyframes fadeInStep {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* STEP 1: BHK Selection Cards */
.bhk-options-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-width: 600px;
    margin: 0 auto;
}

.bhk-item-box {
    border: 1.5px solid var(--calc-gray-300);
    border-radius: var(--calc-radius-md);
    background: #ffffff;
    transition: all 0.25s ease;
    cursor: pointer;
    overflow: hidden;
}

.bhk-item-box:hover {
    border-color: #cbd5e1;
    box-shadow: var(--calc-shadow-sm);
}

.bhk-item-box.selected {
    border-color: var(--calc-primary);
    box-shadow: 0 0 0 2px rgba(233, 33, 46, 0.15);
}

.bhk-main-row {
    padding: 18px 22px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.bhk-radio-label {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 17px;
    font-weight: 600;
    color: var(--calc-gray-900);
}

.custom-radio {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid var(--calc-gray-300);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.bhk-item-box.selected .custom-radio {
    border-color: var(--calc-primary);
}

.custom-radio::after {
    content: '';
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--calc-primary);
    opacity: 0;
    transform: scale(0);
    transition: all 0.2s ease;
}

.bhk-item-box.selected .custom-radio::after {
    opacity: 1;
    transform: scale(1);
}

.bhk-arrow-icon {
    color: var(--calc-gray-500);
    font-size: 14px;
    transition: transform 0.25s ease;
}

.bhk-item-box.selected .bhk-arrow-icon {
    transform: rotate(180deg);
    color: var(--calc-primary);
}

.bhk-sub-sizes {
    display: none;
    padding: 0 22px 18px;
    background: #fafbfc;
    border-top: 1px solid var(--calc-gray-200);
}

.bhk-item-box.selected .bhk-sub-sizes {
    display: block;
}

.size-subgrid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
    padding-top: 14px;
}

.size-pill-option {
    border: 1.5px solid var(--calc-gray-300);
    border-radius: var(--calc-radius-sm);
    padding: 12px 16px;
    background: #ffffff;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.size-pill-option:hover {
    border-color: #cbd5e1;
}

.size-pill-option.selected {
    border-color: var(--calc-primary);
    background: var(--calc-primary-light);
}

.size-pill-title {
    font-size: 14px;
    font-weight: 600;
    color: var(--calc-gray-900);
    display: flex;
    align-items: center;
    gap: 8px;
}

.size-pill-option.selected .size-pill-title {
    color: var(--calc-primary);
}

.size-pill-desc {
    font-size: 12px;
    color: var(--calc-gray-500);
}

/* STEP 2: Room Selection Counters */
.rooms-grid-container {
    display: flex;
    flex-direction: column;
    gap: 14px;
    max-width: 620px;
    margin: 0 auto;
}

.room-counter-card {
    border: 1.5px solid var(--calc-gray-200);
    border-radius: var(--calc-radius-md);
    background: #ffffff;
    padding: 16px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s ease;
}

.room-counter-card:hover {
    border-color: #cbd5e1;
    box-shadow: var(--calc-shadow-sm);
}

.room-info-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.room-icon-badge {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    background: #f1f5f9;
    color: var(--calc-gray-700);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
}

.room-name-label {
    font-size: 16px;
    font-weight: 600;
    color: var(--calc-gray-900);
    margin: 0 0 2px;
}

.room-detail-note {
    font-size: 12px;
    color: var(--calc-gray-500);
    margin: 0;
}

.counter-actions-box {
    display: flex;
    align-items: center;
    gap: 14px;
}

.counter-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1.5px solid var(--calc-gray-300);
    background: #ffffff;
    color: var(--calc-gray-700);
    font-size: 18px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
}

.counter-btn:hover:not(:disabled) {
    background: var(--calc-primary);
    border-color: var(--calc-primary);
    color: #ffffff;
}

.counter-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.counter-value {
    font-size: 18px;
    font-weight: 700;
    color: var(--calc-gray-900);
    min-width: 24px;
    text-align: center;
}

/* STEP 3: Package Selection Cards */
.packages-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 10px;
}

.package-card {
    border: 2px solid var(--calc-gray-200);
    border-radius: var(--calc-radius-md);
    background: #ffffff;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    display: flex;
    flex-direction: column;
    position: relative;
}

.package-card:hover {
    border-color: #cbd5e1;
    transform: translateY(-4px);
    box-shadow: var(--calc-shadow-md);
}

.package-card.selected {
    border-color: var(--calc-primary);
    box-shadow: 0 8px 24px rgba(233, 33, 46, 0.14);
}

.package-badge-popular {
    position: absolute;
    top: 12px;
    right: 12px;
    background: var(--calc-primary);
    color: #ffffff;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 3px 10px;
    border-radius: 12px;
    z-index: 2;
}

.package-card-img {
    height: 130px;
    width: 100%;
    object-fit: cover;
}

.package-card-body {
    padding: 20px 18px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.package-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.package-name {
    font-size: 18px;
    font-weight: 700;
    color: var(--calc-gray-900);
    margin: 0;
}

.package-price-tier {
    font-size: 13px;
    font-weight: 700;
    color: var(--calc-primary);
    background: var(--calc-primary-light);
    padding: 2px 8px;
    border-radius: 6px;
}

.package-short-desc {
    font-size: 12px;
    color: var(--calc-gray-500);
    line-height: 18px;
    margin: 0 0 16px;
}

.package-features-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.package-features-list li {
    font-size: 12px;
    color: var(--calc-gray-700);
    display: flex;
    align-items: center;
    gap: 8px;
    line-height: 17px;
}

.package-features-list li i {
    color: var(--calc-success);
    font-size: 14px;
    flex-shrink: 0;
}

.package-select-indicator {
    margin-top: auto;
    padding-top: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--calc-gray-500);
}

.package-card.selected .package-select-indicator {
    color: var(--calc-primary);
}

/* STEP 4: Lead Form */
.calc-lead-form-box {
    max-width: 540px;
    margin: 0 auto;
}

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

.calc-form-label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--calc-gray-700);
    margin-bottom: 6px;
}

.calc-input-field {
    width: 100%;
    box-sizing: border-box;
    padding: 14px 16px;
    border: 1.5px solid var(--calc-gray-300);
    border-radius: var(--calc-radius-sm);
    font-size: 15px;
    color: var(--calc-gray-900);
    background: #ffffff;
    font-family: inherit;
    outline: none;
    transition: all 0.2s ease;
}

.calc-input-field:focus {
    border-color: var(--calc-primary);
    box-shadow: 0 0 0 3px rgba(233, 33, 46, 0.12);
}

.calc-phone-group {
    display: flex;
    align-items: center;
    border: 1.5px solid var(--calc-gray-300);
    border-radius: var(--calc-radius-sm);
    background: #ffffff;
    overflow: hidden;
    transition: all 0.2s ease;
}

.calc-phone-group:focus-within {
    border-color: var(--calc-primary);
    box-shadow: 0 0 0 3px rgba(233, 33, 46, 0.12);
}

.phone-prefix {
    padding: 14px 14px;
    background: #f8fafc;
    border-right: 1px solid var(--calc-gray-300);
    font-size: 14px;
    font-weight: 600;
    color: var(--calc-gray-700);
    display: flex;
    align-items: center;
    gap: 6px;
}

.calc-phone-group .calc-input-field {
    border: none;
    border-radius: 0;
    box-shadow: none !important;
}

.calc-checkbox-label {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    cursor: pointer;
    font-size: 13px;
    color: var(--calc-gray-700);
    line-height: 20px;
}

.calc-checkbox-label input[type="checkbox"] {
    margin-top: 3px;
    accent-color: var(--calc-primary);
    width: 16px;
    height: 16px;
}

/* STEP 5: Result Screen */
.estimate-result-screen {
    max-width: 800px;
    margin: 0 auto;
}

.estimate-banner-card {
    background: linear-gradient(135deg, #1b1c20 0%, #2b2d35 100%);
    border-radius: var(--calc-radius-md);
    padding: 32px 36px;
    color: #ffffff;
    text-align: center;
    position: relative;
    overflow: hidden;
    margin-bottom: 28px;
    box-shadow: var(--calc-shadow-lg);
}

.estimate-banner-card::before {
    content: '';
    position: absolute;
    top: -50px;
    right: -50px;
    width: 160px;
    height: 160px;
    border-radius: 50%;
    background: rgba(233, 33, 46, 0.15);
    filter: blur(40px);
}

.estimate-headline-label {
    font-size: 13px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #e2e8f0;
    margin-bottom: 6px;
}

.estimate-amount-display {
    font-size: 42px;
    line-height: 50px;
    font-weight: 800;
    color: #ffffff;
    margin: 0 0 6px;
    font-family: 'Poppins', sans-serif;
}

.estimate-amount-display span {
    color: #ff4d5a;
}

.estimate-note-badge {
    display: inline-block;
    font-size: 12px;
    color: #cbd5e1;
    background: rgba(255, 255, 255, 0.1);
    padding: 4px 14px;
    border-radius: 20px;
}

/* Result Package Switcher */
.result-package-switcher {
    background: #f1f5f9;
    border-radius: 12px;
    padding: 6px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin-bottom: 28px;
}

.switcher-btn {
    border: none;
    background: transparent;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    color: var(--calc-gray-700);
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
}

.switcher-btn:hover {
    color: var(--calc-dark);
}

.switcher-btn.active {
    background: #ffffff;
    color: var(--calc-primary);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* Room Breakdown Grid */
.breakdown-title-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 16px;
}

.breakdown-title-row h4 {
    font-size: 18px;
    font-weight: 700;
    color: var(--calc-gray-900);
    margin: 0;
}

.breakdown-summary-tag {
    font-size: 13px;
    color: var(--calc-gray-500);
}

.breakdown-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 28px;
}

.breakdown-item {
    background: #fafbfc;
    border: 1px solid var(--calc-gray-200);
    border-radius: var(--calc-radius-sm);
    padding: 14px 18px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: all 0.2s ease;
}

.breakdown-item:hover {
    background: #ffffff;
    border-color: #cbd5e1;
}

.breakdown-item-left {
    display: flex;
    align-items: center;
    gap: 12px;
}

.breakdown-item-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--calc-gray-900);
}

.breakdown-item-desc {
    font-size: 12px;
    color: var(--calc-gray-500);
}

.breakdown-item-cost {
    font-size: 15px;
    font-weight: 700;
    color: var(--calc-gray-900);
}

/* Trust Perks Box */
.estimate-perks-box {
    background: #f8fafc;
    border-radius: var(--calc-radius-md);
    padding: 20px 24px;
    margin-bottom: 28px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    text-align: center;
}

.perk-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.perk-icon {
    font-size: 22px;
    color: var(--calc-primary);
}

.perk-text {
    font-size: 11px;
    font-weight: 600;
    color: var(--calc-gray-700);
    line-height: 16px;
}

/* CTA Action Bar */
.estimate-actions-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 14px;
    margin-bottom: 18px;
}

.btn-calc-whatsapp {
    background: var(--calc-whatsapp);
    color: #ffffff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 700;
    padding: 16px 22px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.25s ease;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.3);
}

.btn-calc-whatsapp:hover {
    background: #20ba59;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.4);
}

.btn-calc-call {
    background: var(--calc-dark);
    color: #ffffff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 700;
    padding: 16px 22px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.25s ease;
}

.btn-calc-call:hover {
    background: #000000;
    color: #ffffff;
    transform: translateY(-2px);
}

.secondary-actions-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.btn-text-action {
    background: transparent;
    border: none;
    color: var(--calc-gray-500);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    transition: all 0.2s ease;
}

.btn-text-action:hover {
    color: var(--calc-primary);
    background: var(--calc-primary-light);
}

/* Bottom Navigation Footer */
.calc-nav-footer {
    border-top: 1px solid var(--calc-gray-200);
    margin-top: 36px;
    padding-top: 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.btn-calc-back {
    background: transparent;
    border: 1.5px solid var(--calc-gray-300);
    color: var(--calc-gray-700);
    font-size: 14px;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.2s ease;
    display: flex;
    align-items: center;
    gap: 8px;
}

.btn-calc-back:hover:not(:disabled) {
    border-color: var(--calc-gray-700);
    color: var(--calc-dark);
}

.btn-calc-back:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.btn-calc-next {
    background: var(--calc-primary);
    border: none;
    color: #ffffff;
    font-size: 14px;
    font-weight: 700;
    padding: 13px 36px;
    border-radius: 30px;
    cursor: pointer;
    transition: all 0.25s ease;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 14px rgba(233, 33, 46, 0.3);
}

.btn-calc-next.btn-whatsapp-theme {
    background: #25d366;
    color: #ffffff;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
}

.btn-calc-next.btn-whatsapp-theme:hover:not(:disabled) {
    background: #20ba59;
    box-shadow: 0 6px 22px rgba(37, 211, 102, 0.45);
    transform: translateY(-2px);
}

/* WhatsApp Confirmation Screen (Step 5) */
.whatsapp-confirmation-card {
    max-width: 680px;
    margin: 0 auto;
    text-align: center;
    padding: 10px 0;
}

.conf-success-icon-badge {
    width: 68px;
    height: 68px;
    border-radius: 50%;
    background: #ecfdf5;
    border: 3px solid #10b981;
    color: #10b981;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    font-weight: 800;
    margin: 0 auto 20px;
    box-shadow: 0 0 0 8px rgba(16, 185, 129, 0.12);
    animation: scaleInCheck 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@keyframes scaleInCheck {
    from {
        opacity: 0;
        transform: scale(0.6);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

.conf-title {
    font-size: 26px;
    font-weight: 800;
    color: var(--calc-gray-900);
    margin: 0 0 10px;
}

.conf-subtitle {
    font-size: 15px;
    color: var(--calc-gray-700);
    line-height: 24px;
    max-width: 580px;
    margin: 0 auto 28px;
}

.conf-summary-box {
    background: #f8fafc;
    border: 1.5px solid var(--calc-gray-200);
    border-radius: var(--calc-radius-md);
    overflow: hidden;
    text-align: left;
    margin-bottom: 28px;
}

.conf-summary-header {
    background: #f1f5f9;
    padding: 12px 20px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 700;
    color: var(--calc-gray-900);
    border-bottom: 1px solid var(--calc-gray-200);
}

.conf-status-tag {
    font-size: 11px;
    font-weight: 700;
    background: #ecfdf5;
    color: #059669;
    padding: 3px 10px;
    border-radius: 12px;
    border: 1px solid #a7f3d0;
}

.conf-summary-grid {
    padding: 18px 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.conf-grid-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.conf-grid-item.full-width {
    grid-column: 1 / -1;
    border-top: 1px dashed var(--calc-gray-300);
    padding-top: 12px;
    margin-top: 2px;
}

.conf-item-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--calc-gray-500);
}

.conf-item-val {
    font-size: 14px;
    font-weight: 600;
    color: var(--calc-gray-900);
    line-height: 20px;
}

.conf-actions-grid {
    display: grid;
    grid-template-columns: 1.3fr 1fr;
    gap: 14px;
}

.btn-conf-whatsapp {
    background: #25d366;
    color: #ffffff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 700;
    padding: 15px 22px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.25s ease;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.35);
}

.btn-conf-whatsapp:hover {
    background: #20ba59;
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.45);
}

.btn-conf-call {
    background: #1b1c20;
    color: #ffffff;
    text-decoration: none;
    font-size: 15px;
    font-weight: 700;
    padding: 15px 22px;
    border-radius: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.25s ease;
}

.btn-conf-call:hover {
    background: #000000;
    color: #ffffff;
    transform: translateY(-2px);
}

/* Loading Overlay */
.calc-loading-overlay {
    position: absolute;
    inset: 0;
    background: rgba(255, 255, 255, 0.94);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 50;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.calc-loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.calc-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--calc-gray-200);
    border-top-color: var(--calc-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin-bottom: 16px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.calc-loading-text {
    font-size: 16px;
    font-weight: 600;
    color: var(--calc-gray-900);
}

/* Responsive adjustments */
@media (max-width: 900px) {
    .calc-stepper-nav {
        display: none;
    }
    .calc-card-container {
        padding: 28px 20px 24px;
    }
    .packages-grid {
        grid-template-columns: 1fr;
    }
    .package-card-img {
        height: 160px;
    }
    .estimate-actions-grid {
        grid-template-columns: 1fr;
    }
    .estimate-perks-box {
        grid-template-columns: repeat(2, 1fr);
    }
    .estimate-amount-display {
        font-size: 32px;
        line-height: 40px;
    }
}

@media print {
    .calc-top-header,
    .calc-nav-footer,
    .estimate-actions-grid,
    .secondary-actions-row,
    .result-package-switcher {
        display: none !important;
    }
    body.calc-page-body {
        background: #ffffff;
    }
    .calc-card-container {
        box-shadow: none;
        border: none;
        padding: 0;
    }
    .estimate-banner-card {
        background: #27282c !important;
        color: #ffffff !important;
        -webkit-print-color-adjust: exact;
    }
}