/* =============================================================================
   SIC Tank Designer — Stylesheet v1.0.0
   Brand: SIC Navy (#066aab / #1a2b48)
   ============================================================================= */

@import url('https://fonts.googleapis.com/css2?family=Barlow+Condensed:wght@400;600;700;900&family=Barlow:wght@400;500;600&display=swap');

:root {
    --sic-navy:      #066aab;
    --sic-dark:      #1a2b48;
    --sic-green:     #22aa55;
    --sic-light:     #f0f7ff;
    --sic-border:    #d0dde8;
    --sic-text:      #2c3e50;
    --sic-muted:     #7f94a8;
    --sic-success:   #22aa55;
    --sic-warning:   #ff8c00;
    --sic-error:     #cc2200;
    --sic-radius:    8px;
    --sic-shadow:    0 4px 24px rgba(6,106,171,.12);
    --sic-transition: all .25s cubic-bezier(.4,0,.2,1);
}

/* ── Wrapper ─────────────────────────────────────────────────────────────── */
.sictd-wrap {
    font-family: 'Barlow', sans-serif;
    color: var(--sic-text);
    max-width: 1280px;
    margin: 0 auto;
    background: #fff;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--sic-shadow);
}

/* ── Header ──────────────────────────────────────────────────────────────── */
.sictd-header {
    background: linear-gradient(135deg, var(--sic-navy) 0%, var(--sic-dark) 100%);
    padding: 0;
}
.sictd-header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 32px;
}
.sictd-brand {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 900;
    font-size: 22px;
    color: #fff;
    letter-spacing: 3px;
}
.sictd-divider {
    color: rgba(255,255,255,.4);
    margin: 0 12px;
    font-size: 20px;
}
.sictd-product {
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 400;
    font-size: 18px;
    color: rgba(255,255,255,.85);
    letter-spacing: 2px;
}
.sictd-model-badge {
    background: rgba(255,255,255,.15);
    border: 1px solid rgba(255,255,255,.3);
    color: #fff;
    padding: 6px 16px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
}

/* ── Progress Bar ────────────────────────────────────────────────────────── */
.sictd-progress-wrap {
    background: var(--sic-dark);
    padding: 20px 32px 16px;
    position: relative;
}
.sictd-progress-track {
    position: absolute;
    top: 38px;
    left: 10%;
    right: 10%;
    height: 3px;
    background: rgba(255,255,255,.15);
}
.sictd-progress-fill {
    position: absolute;
    top: 38px;
    left: 10%;
    height: 3px;
    background: var(--sic-green);
    width: 0%;
    transition: width .5s ease;
}
.sictd-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 1;
}
.sictd-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    flex: 1;
}
.sictd-step-dot {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: rgba(255,255,255,.15);
    border: 2px solid rgba(255,255,255,.2);
    color: rgba(255,255,255,.5);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Barlow Condensed', sans-serif;
    font-weight: 700;
    font-size: 15px;
    transition: var(--sic-transition);
}
.sictd-step.active .sictd-step-dot {
    background: var(--sic-navy);
    border-color: #5ab0e0;
    color: #fff;
    transform: scale(1.15);
    box-shadow: 0 0 0 4px rgba(6,106,171,.35);
}
.sictd-step.completed .sictd-step-dot {
    background: var(--sic-green);
    border-color: var(--sic-green);
    color: #fff;
}
.sictd-step-label {
    font-size: 11px;
    color: rgba(255,255,255,.45);
    font-weight: 500;
    letter-spacing: .5px;
    text-transform: uppercase;
}
.sictd-step.active .sictd-step-label {
    color: #5ab0e0;
    font-weight: 700;
}
.sictd-step.completed .sictd-step-label {
    color: var(--sic-green);
}

/* ── Main body layout ────────────────────────────────────────────────────── */
.sictd-body {
    display: grid;
    grid-template-columns: 1fr 420px;
    gap: 0;
    min-height: 500px;
}

/* ── Image panel (left) ──────────────────────────────────────────────────── */
.sictd-image-panel {
    background: #f4f8fc;
    border-right: 1px solid var(--sic-border);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 32px;
    position: relative;
}
.sictd-image-frame {
    width: 100%;
    max-width: 440px;
    position: relative;
}
.sictd-image-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--sic-dark);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    padding: 5px 14px;
    border-radius: 20px;
    white-space: nowrap;
    z-index: 10;
    text-transform: uppercase;
}
.sictd-img-layer {
    display: none;
    animation: sictd-fade .35s ease;
}
.sictd-img-layer.active {
    display: block;
}
.sictd-tank-svg {
    width: 100%;
    height: auto;
    filter: drop-shadow(0 8px 24px rgba(6,106,171,.15));
}
.sictd-img-caption {
    text-align: center;
    font-size: 12px;
    color: var(--sic-muted);
    margin: 8px 0 0;
    letter-spacing: .5px;
    font-weight: 500;
}

/* ── Wizard panel (right) ────────────────────────────────────────────────── */
.sictd-wizard-panel {
    padding: 32px 28px 24px;
    display: flex;
    flex-direction: column;
    gap: 0;
}
.sictd-wizard-step {
    display: none;
    flex: 1;
}
.sictd-wizard-step.active {
    display: block;
    animation: sictd-slide .3s ease;
}
.sictd-step-header {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    margin-bottom: 24px;
}
.sictd-step-num {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 48px;
    font-weight: 900;
    color: var(--sic-border);
    line-height: 1;
    flex-shrink: 0;
}
.sictd-step-header h2 {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 26px;
    font-weight: 700;
    color: var(--sic-dark);
    margin: 0 0 4px;
    letter-spacing: .5px;
}
.sictd-step-header p {
    font-size: 14px;
    color: var(--sic-muted);
    margin: 0;
    line-height: 1.5;
}

/* ── Option cards (fluid, sensor) ─────────────────────────────────────────── */
.sictd-options-grid {
    display: grid;
    gap: 14px;
}
.sictd-fluid-grid  { grid-template-columns: 1fr 1fr; }
.sictd-sensor-grid { grid-template-columns: 1fr; gap: 10px; }

.sictd-option-card {
    background: #fff;
    border: 2px solid var(--sic-border);
    border-radius: var(--sic-radius);
    padding: 20px;
    cursor: pointer;
    transition: var(--sic-transition);
    text-align: center;
}
.sictd-option-card:hover {
    border-color: var(--sic-navy);
    box-shadow: 0 4px 16px rgba(6,106,171,.15);
    transform: translateY(-2px);
}
.sictd-option-card.selected {
    border-color: var(--sic-green);
    background: #f0fbf5;
    box-shadow: 0 0 0 3px rgba(34,170,85,.15);
}
.sictd-sensor-grid .sictd-option-card {
    text-align: left;
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
}
.sictd-card-icon {
    font-size: 28px;
    margin-bottom: 8px;
}
.sictd-sensor-grid .sictd-card-icon {
    font-size: 22px;
    margin: 0;
    flex-shrink: 0;
}
.sictd-card-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 18px;
    font-weight: 700;
    color: var(--sic-dark);
    margin-bottom: 4px;
}
.sictd-card-sub {
    font-size: 12px;
    color: var(--sic-muted);
    line-height: 1.4;
}

/* ── Number buttons (pickup count) ──────────────────────────────────────── */
.sictd-number-grid {
    display: flex;
    gap: 10px;
}
.sictd-num-btn {
    width: 56px;
    height: 56px;
    border: 2px solid var(--sic-border);
    border-radius: var(--sic-radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 26px;
    font-weight: 700;
    color: var(--sic-dark);
    cursor: pointer;
    transition: var(--sic-transition);
}
.sictd-num-btn:hover   { border-color: var(--sic-navy); color: var(--sic-navy); }
.sictd-num-btn.selected {
    background: var(--sic-navy);
    border-color: var(--sic-navy);
    color: #fff;
}

/* ── Chips ───────────────────────────────────────────────────────────────── */
.sictd-chip-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}
.sictd-chip {
    padding: 8px 16px;
    border: 2px solid var(--sic-border);
    border-radius: 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--sic-dark);
    cursor: pointer;
    transition: var(--sic-transition);
    white-space: nowrap;
}
.sictd-chip:hover   { border-color: var(--sic-navy); color: var(--sic-navy); }
.sictd-chip.selected {
    background: var(--sic-navy);
    border-color: var(--sic-navy);
    color: #fff;
}
.sictd-chip-lg {
    padding: 12px 24px;
    font-size: 16px;
    border-radius: var(--sic-radius);
}
.sictd-angle-icon {
    display: inline-block;
    margin-right: 4px;
}

/* ── Form group ──────────────────────────────────────────────────────────── */
.sictd-form-group {
    margin-bottom: 22px;
}
.sictd-label {
    display: block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: var(--sic-muted);
    margin-bottom: 10px;
}

/* ── Summary (step 6) ────────────────────────────────────────────────────── */
.sictd-summary-box {
    background: var(--sic-light);
    border: 1px solid var(--sic-border);
    border-radius: var(--sic-radius);
    padding: 16px;
    margin-bottom: 16px;
    font-size: 13px;
}
.sictd-summary-row {
    display: flex;
    justify-content: space-between;
    padding: 6px 0;
    border-bottom: 1px solid var(--sic-border);
}
.sictd-summary-row:last-child { border-bottom: 0; }
.sictd-summary-key   { color: var(--sic-muted); font-weight: 500; }
.sictd-summary-value { color: var(--sic-dark); font-weight: 700; }

.sictd-code-box {
    background: var(--sic-dark);
    border-radius: var(--sic-radius);
    padding: 16px 20px;
    margin-bottom: 20px;
}
.sictd-code-label {
    font-size: 10px;
    color: rgba(255,255,255,.5);
    letter-spacing: 2px;
    text-transform: uppercase;
    margin-bottom: 6px;
}
.sictd-code-value {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 19px;
    font-weight: 700;
    color: #5ab0e0;
    letter-spacing: 2px;
    word-break: break-all;
}

/* ── Email box ───────────────────────────────────────────────────────────── */
.sictd-email-box {
    margin-bottom: 20px;
}
.sictd-email-input {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--sic-border);
    border-radius: var(--sic-radius);
    font-size: 15px;
    font-family: 'Barlow', sans-serif;
    color: var(--sic-dark);
    transition: var(--sic-transition);
    box-sizing: border-box;
    margin-top: 8px;
}
.sictd-email-input:focus {
    outline: none;
    border-color: var(--sic-navy);
    box-shadow: 0 0 0 3px rgba(6,106,171,.12);
}
.sictd-email-note {
    font-size: 12px;
    color: var(--sic-muted);
    margin: 8px 0 0;
    line-height: 1.5;
}

/* ── Send button ─────────────────────────────────────────────────────────── */
.sictd-send-btn {
    width: 100%;
    padding: 14px;
    background: linear-gradient(135deg, var(--sic-navy), #0550a0);
    color: #fff;
    border: none;
    border-radius: var(--sic-radius);
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: var(--sic-transition);
}
.sictd-send-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(6,106,171,.35);
}
.sictd-send-btn:disabled {
    opacity: .6;
    cursor: not-allowed;
}
.sictd-send-icon { font-size: 20px; }

.sictd-feedback {
    margin-top: 14px;
    font-size: 14px;
    font-weight: 600;
    text-align: center;
    padding: 10px;
    border-radius: var(--sic-radius);
    display: none;
}
.sictd-feedback.success {
    background: #f0fbf5;
    color: var(--sic-success);
    border: 1px solid rgba(34,170,85,.3);
    display: block;
}
.sictd-feedback.error {
    background: #fff5f5;
    color: var(--sic-error);
    border: 1px solid rgba(204,34,0,.2);
    display: block;
}

/* ── Navigation buttons ──────────────────────────────────────────────────── */
.sictd-nav {
    display: flex;
    gap: 12px;
    margin-top: 28px;
    padding-top: 20px;
    border-top: 1px solid var(--sic-border);
}
.sictd-btn-prev,
.sictd-btn-next {
    flex: 1;
    padding: 12px;
    border-radius: var(--sic-radius);
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 16px;
    font-weight: 700;
    letter-spacing: .5px;
    cursor: pointer;
    transition: var(--sic-transition);
    border: 2px solid transparent;
}
.sictd-btn-prev {
    background: #fff;
    border-color: var(--sic-border);
    color: var(--sic-muted);
}
.sictd-btn-prev:hover:not(:disabled) {
    border-color: var(--sic-navy);
    color: var(--sic-navy);
}
.sictd-btn-prev:disabled { opacity: .4; cursor: not-allowed; }
.sictd-btn-next {
    background: var(--sic-navy);
    color: #fff;
}
.sictd-btn-next:hover:not(:disabled) {
    background: #0550a0;
    box-shadow: 0 4px 14px rgba(6,106,171,.3);
}
.sictd-btn-next.hidden { display: none; }

/* ── Sidebar summary ─────────────────────────────────────────────────────── */
.sictd-sidebar-summary {
    display: none; /* hidden on narrow layouts, shown via grid on 1280px+ */
}
.sictd-sidebar-title {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 16px;
    font-weight: 700;
    color: var(--sic-dark);
    letter-spacing: 1px;
    margin: 0 0 16px;
    text-transform: uppercase;
}
.sictd-sb-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 0;
    border-bottom: 1px solid var(--sic-border);
    font-size: 13px;
}
.sictd-sb-key  { color: var(--sic-muted); font-weight: 500; }
.sictd-sb-val  { color: var(--sic-dark); font-weight: 700; }

/* ── EPA Modal ───────────────────────────────────────────────────────────── */
.sictd-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10,20,40,.65);
    backdrop-filter: blur(3px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    pointer-events: none;
    transition: opacity .3s ease;
}
.sictd-modal-overlay.active {
    opacity: 1;
    pointer-events: all;
}
.sictd-modal {
    background: #fff;
    border-radius: 12px;
    padding: 36px 40px;
    max-width: 420px;
    width: 90%;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,.25);
    transform: translateY(20px);
    transition: transform .3s ease;
}
.sictd-modal-overlay.active .sictd-modal {
    transform: translateY(0);
}
.sictd-modal-icon {
    font-size: 48px;
    margin-bottom: 16px;
}
.sictd-modal h3 {
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 24px;
    font-weight: 700;
    color: var(--sic-dark);
    margin: 0 0 12px;
}
.sictd-modal p {
    font-size: 14px;
    color: var(--sic-muted);
    line-height: 1.6;
    margin: 0 0 24px;
}
.sictd-modal-btns {
    display: flex;
    gap: 12px;
}
.sictd-modal-yes,
.sictd-modal-no {
    flex: 1;
    padding: 12px;
    border-radius: var(--sic-radius);
    font-family: 'Barlow Condensed', sans-serif;
    font-size: 16px;
    font-weight: 700;
    cursor: pointer;
    transition: var(--sic-transition);
    border: none;
}
.sictd-modal-yes {
    background: var(--sic-green);
    color: #fff;
}
.sictd-modal-yes:hover { background: #1a9944; }
.sictd-modal-no {
    background: #f0f4f8;
    color: var(--sic-muted);
    border: 2px solid var(--sic-border);
}
.sictd-modal-no:hover { border-color: #999; color: #555; }

/* ── Animations ──────────────────────────────────────────────────────────── */
@keyframes sictd-fade {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes sictd-slide {
    from { opacity: 0; transform: translateX(16px); }
    to   { opacity: 1; transform: translateX(0); }
}

/* ── Responsive ──────────────────────────────────────────────────────────── */
@media (max-width: 860px) {
    .sictd-body {
        grid-template-columns: 1fr;
    }
    .sictd-image-panel {
        border-right: 0;
        border-bottom: 1px solid var(--sic-border);
        padding: 24px;
    }
    .sictd-image-frame { max-width: 340px; }
    .sictd-wizard-panel { padding: 24px 20px; }
    .sictd-fluid-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 500px) {
    .sictd-header-inner { flex-direction: column; gap: 10px; }
    .sictd-steps { display: none; }
    .sictd-progress-track, .sictd-progress-fill { top: 50%; }
    .sictd-fluid-grid { grid-template-columns: 1fr; }
    .sictd-chip-grid { gap: 6px; }
}

/* ── Real tank images ────────────────────────────────────────────────────── */
.sictd-tank-img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 6px;
}

/* ── Summary 2x2 image grid (step 6) ────────────────────────────────────── */
.sictd-summary-img-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6px;
    margin-bottom: 4px;
}
.sictd-summary-img-cell {
    position: relative;
    background: #f4f8fc;
    border-radius: 6px;
    overflow: hidden;
    border: 1px solid var(--sic-border);
}
.sictd-summary-img-cell img {
    width: 100%;
    height: auto;
    display: block;
}
.sictd-summary-img-cell span {
    display: block;
    text-align: center;
    font-size: 10px;
    font-weight: 700;
    color: var(--sic-navy);
    letter-spacing: .5px;
    text-transform: uppercase;
    padding: 4px 4px 6px;
    background: rgba(255,255,255,.9);
}

/* ── Logo in header ──────────────────────────────────────────────────────── */
.sictd-logo-img {
    height: 36px !important;
    max-height: 36px !important;
    width: auto !important;
    max-width: 160px !important;
    display: block;
    object-fit: contain;
}
.sictd-logo-area {
    display: flex;
    align-items: center;
    gap: 14px;
}
.sictd-header-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ── Language switcher button ────────────────────────────────────────────── */
.sictd-lang-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,.15);
    border: 1px solid rgba(255,255,255,.3);
    color: #fff;
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 1px;
    cursor: pointer;
    transition: var(--sic-transition);
}
.sictd-lang-btn:hover {
    background: rgba(255,255,255,.25);
    border-color: rgba(255,255,255,.5);
}
.sictd-lang-flag { font-size: 16px; }
.sictd-lang-code { font-family: 'Barlow Condensed', sans-serif; font-size: 13px; }

/* ── Contact form (step 6 extension) ────────────────────────────────────── */
.sictd-contact-form {
    margin-bottom: 20px;
}
.sictd-contact-form .sictd-form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 12px;
}
.sictd-contact-form .sictd-form-row.full {
    grid-template-columns: 1fr;
}
.sictd-field {
    display: flex;
    flex-direction: column;
    gap: 5px;
}
.sictd-field label {
    font-size: 11px;
    font-weight: 700;
    letter-spacing: .8px;
    text-transform: uppercase;
    color: var(--sic-muted);
}
.sictd-field label .sictd-required {
    color: #cc2200;
    margin-left: 2px;
}
.sictd-field input {
    padding: 10px 14px;
    border: 2px solid var(--sic-border);
    border-radius: var(--sic-radius);
    font-size: 14px;
    font-family: 'Barlow', sans-serif;
    color: var(--sic-dark);
    transition: var(--sic-transition);
    background: #fff;
    box-sizing: border-box;
    width: 100%;
}
.sictd-field input:focus {
    outline: none;
    border-color: var(--sic-navy);
    box-shadow: 0 0 0 3px rgba(6,106,171,.1);
}
.sictd-field input.sictd-error {
    border-color: #cc2200;
    background: #fff8f8;
}
.sictd-field input.sictd-valid {
    border-color: var(--sic-green);
}
.sictd-field-error {
    font-size: 11px;
    color: #cc2200;
    display: none;
    margin-top: 2px;
}
.sictd-field-error.visible { display: block; }

/* account creation notice */
.sictd-account-note {
    background: #f0fbf5;
    border: 1px solid rgba(34,170,85,.25);
    border-left: 4px solid var(--sic-green);
    border-radius: var(--sic-radius);
    padding: 12px 16px;
    font-size: 12px;
    color: #2a6040;
    margin-bottom: 16px;
    line-height: 1.6;
}

@media (max-width: 500px) {
    .sictd-contact-form .sictd-form-row { grid-template-columns: 1fr; }
}