/* Atazen Nakliye - Modern Frontend CSS */
/* Prefix: ank- (atazen nakliye) */

:root {
    --ank-primary: #0f172a;
    --ank-accent: #3b82f6;
    --ank-accent-hover: #2563eb;
    --ank-violet: #7c3aed;
    --ank-success: #10b981;
    --ank-error: #ef4444;
    --ank-whatsapp: #25d366;
    --ank-amber: #f59e0b;
    --ank-bg: #f8fafc;
    --ank-card: #ffffff;
    --ank-border: #e2e8f0;
    --ank-text: #0f172a;
    --ank-muted: #64748b;
    --ank-input-bg: #f1f5f9;
    --ank-radius: 16px;
    --ank-radius-sm: 10px;
    --ank-radius-xs: 8px;
    --ank-ease: cubic-bezier(0.4, 0, 0.2, 1);
}

/* Reset & Base */
.ank-calculator *, .ank-calculator *::before, .ank-calculator *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.ank-calculator {
    max-width: 720px;
    margin: 40px auto;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--ank-text);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    line-height: 1.5;
}

/* ========== HEADER ========== */
.ank-header {
    background: linear-gradient(135deg, #0f172a 0%, #1e3a8a 50%, #3b82f6 100%);
    color: #fff;
    padding: 36px 32px 32px;
    border-radius: var(--ank-radius) var(--ank-radius) 0 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.ank-header::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -60px;
    width: 250px;
    height: 250px;
    background: rgba(255,255,255,0.04);
    border-radius: 50%;
}

.ank-header::after {
    content: '';
    position: absolute;
    bottom: -100px;
    left: -40px;
    width: 200px;
    height: 200px;
    background: rgba(255,255,255,0.03);
    border-radius: 50%;
}

.ank-header-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 56px;
    height: 56px;
    margin: 0 auto 14px;
    background: rgba(255,255,255,0.1);
    border-radius: 14px;
    backdrop-filter: blur(10px);
}

.ank-header-icon svg {
    width: 28px;
    height: 28px;
    fill: none;
    stroke: #fff;
    stroke-width: 1.5;
}

.ank-header h2 {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 6px;
    letter-spacing: -0.3px;
    position: relative;
}

.ank-header p {
    font-size: 13px;
    opacity: 0.6;
    margin: 0;
    font-weight: 400;
    position: relative;
}

/* ========== FORM BODY ========== */
.ank-body {
    background: var(--ank-card);
    padding: 28px;
    border-radius: 0 0 var(--ank-radius) var(--ank-radius);
    box-shadow: 0 20px 40px -12px rgba(0,0,0,0.12), 0 0 0 1px rgba(0,0,0,0.04);
}

/* ========== STEP SECTIONS ========== */
.ank-step {
    margin-bottom: 24px;
}

.ank-step-label {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
}

.ank-step-num {
    width: 26px;
    height: 26px;
    background: linear-gradient(135deg, var(--ank-accent), var(--ank-violet));
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    flex-shrink: 0;
}

.ank-step-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--ank-primary);
}

.ank-divider {
    height: 1px;
    background: var(--ank-border);
    margin: 0 0 24px;
}

/* ========== ADDRESS GRID ========== */
.ank-address-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}

.ank-address-card {
    background: var(--ank-bg);
    border-radius: var(--ank-radius-sm);
    padding: 18px;
    border-top: 3px solid transparent;
    transition: box-shadow 0.2s var(--ank-ease);
}

.ank-address-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.ank-from { border-top-color: var(--ank-accent); }
.ank-to   { border-top-color: var(--ank-violet); }

.ank-card-label {
    display: flex;
    align-items: center;
    gap: 7px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 14px;
}

.ank-from .ank-card-label { color: var(--ank-accent); }
.ank-to   .ank-card-label { color: var(--ank-violet); }

.ank-card-label svg {
    width: 14px;
    height: 14px;
}

/* ========== FORM FIELDS ========== */
.ank-field {
    margin-bottom: 10px;
}

.ank-field:last-child {
    margin-bottom: 0;
}

.ank-field label {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: var(--ank-muted);
    margin-bottom: 5px;
}

.ank-field select,
.ank-field input[type="number"] {
    width: 100%;
    padding: 9px 12px;
    background: var(--ank-card);
    border: 1.5px solid var(--ank-border);
    border-radius: var(--ank-radius-xs);
    font-size: 13px;
    color: var(--ank-text);
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    font-family: inherit;
}

.ank-field select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 10px center;
    padding-right: 32px;
    cursor: pointer;
}

.ank-field select:disabled {
    opacity: 0.45;
    cursor: not-allowed;
    background-color: var(--ank-input-bg);
}

.ank-field select:focus,
.ank-field input[type="number"]:focus {
    border-color: var(--ank-accent);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.ank-field input[type="number"] {
    -moz-appearance: textfield;
}

.ank-field input[type="number"]::-webkit-inner-spin-button,
.ank-field input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* ========== DETAILS GRID ========== */
.ank-details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 14px;
}

.ank-detail-item {
    background: var(--ank-bg);
    border-radius: var(--ank-radius-sm);
    padding: 16px;
}

.ank-detail-item > label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    font-weight: 600;
    color: var(--ank-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 10px;
}

.ank-detail-item > label svg {
    width: 14px;
    height: 14px;
}

/* Segmented Control (Apartment Type) */
.ank-segment {
    display: flex;
    background: var(--ank-card);
    border: 1.5px solid var(--ank-border);
    border-radius: var(--ank-radius-xs);
    padding: 3px;
    gap: 2px;
}

.ank-segment input[type="radio"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.ank-segment label {
    flex: 1;
    text-align: center;
    padding: 8px 0;
    font-size: 13px;
    font-weight: 600;
    color: var(--ank-muted);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s var(--ank-ease);
    margin: 0;
    display: block;
    line-height: 1;
}

.ank-segment input[type="radio"]:checked + label {
    background: linear-gradient(135deg, var(--ank-accent), var(--ank-violet));
    color: #fff;
    box-shadow: 0 2px 8px rgba(59,130,246,0.3);
}

.ank-segment label:hover {
    color: var(--ank-text);
}

/* Floor Input in Detail */
.ank-detail-item .ank-floor-input {
    width: 100%;
    padding: 10px 12px;
    background: var(--ank-card);
    border: 1.5px solid var(--ank-border);
    border-radius: var(--ank-radius-xs);
    font-size: 14px;
    font-weight: 600;
    color: var(--ank-text);
    text-align: center;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    -webkit-appearance: none;
    -moz-appearance: textfield;
    font-family: inherit;
}

.ank-detail-item .ank-floor-input:focus {
    border-color: var(--ank-accent);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.ank-detail-item .ank-floor-input::-webkit-inner-spin-button,
.ank-detail-item .ank-floor-input::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}

/* ========== SUBMIT BUTTON ========== */
.ank-submit {
    width: 100%;
    padding: 15px;
    background: linear-gradient(135deg, var(--ank-accent) 0%, var(--ank-violet) 100%);
    color: #fff;
    border: none;
    border-radius: var(--ank-radius-sm);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s var(--ank-ease);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-family: inherit;
    letter-spacing: 0.2px;
    margin-top: 4px;
    position: relative;
    overflow: hidden;
}

.ank-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.15), transparent);
    transition: left 0.5s;
}

.ank-submit:hover::before {
    left: 100%;
}

.ank-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(59,130,246,0.35);
}

.ank-submit:active {
    transform: translateY(0);
    box-shadow: 0 4px 12px rgba(59,130,246,0.25);
}

.ank-submit svg {
    width: 18px;
    height: 18px;
}

.ank-submit:disabled {
    opacity: 0.6;
    cursor: wait;
    transform: none !important;
    box-shadow: none !important;
}

/* ========== LOADING STATE ========== */
.ank-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 36px 20px;
    gap: 14px;
    animation: ank-fadeIn 0.3s;
}

.ank-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--ank-border);
    border-top-color: var(--ank-accent);
    border-radius: 50%;
    animation: ank-spin 0.7s linear infinite;
}

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

.ank-loading-text {
    font-size: 14px;
    color: var(--ank-muted);
    font-weight: 500;
}

.ank-loading-steps {
    display: flex;
    gap: 24px;
    margin-top: 4px;
}

.ank-loading-step {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 11px;
    color: var(--ank-border);
    font-weight: 600;
    transition: color 0.3s;
}

.ank-loading-step.active {
    color: var(--ank-accent);
}

.ank-loading-step.done {
    color: var(--ank-success);
}

.ank-loading-step svg {
    width: 14px;
    height: 14px;
}

/* ========== RESULT CARD ========== */
.ank-result-card {
    background: linear-gradient(135deg, #ecfdf5 0%, #f0fdf4 100%);
    border: 1.5px solid #86efac;
    border-radius: var(--ank-radius-sm);
    padding: 24px;
    margin-top: 24px;
    animation: ank-fadeUp 0.4s ease-out;
}

@keyframes ank-fadeUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

@keyframes ank-fadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}

.ank-result-title {
    font-size: 13px;
    font-weight: 600;
    color: #166534;
    margin: 0 0 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.ank-result-title svg {
    width: 18px;
    height: 18px;
}

.ank-result-stats {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 10px;
}

.ank-stat {
    background: rgba(255,255,255,0.8);
    border-radius: var(--ank-radius-xs);
    padding: 16px 12px;
    text-align: center;
    backdrop-filter: blur(8px);
}

.ank-stat-icon {
    display: flex;
    justify-content: center;
    margin-bottom: 8px;
}

.ank-stat-icon svg {
    width: 20px;
    height: 20px;
}

.ank-stat-value {
    font-size: 22px;
    font-weight: 800;
    color: var(--ank-primary);
    margin-bottom: 2px;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.ank-stat-label {
    font-size: 11px;
    color: var(--ank-muted);
    font-weight: 500;
}

.ank-stat-price .ank-stat-value {
    color: #166534;
}

.ank-stat-price {
    background: rgba(255,255,255,0.95);
    border: 1.5px solid #86efac;
}

/* ========== ACTION BUTTONS ========== */
.ank-actions {
    display: flex;
    gap: 10px;
    margin-top: 14px;
}

.ank-actions.ank-hidden {
    display: none;
}

.ank-btn {
    flex: 1;
    padding: 12px 16px;
    border: none;
    border-radius: var(--ank-radius-xs);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s var(--ank-ease);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-family: inherit;
}

.ank-btn svg {
    width: 18px;
    height: 18px;
}

.ank-btn-whatsapp {
    background: #25d366;
    color: #fff;
}

.ank-btn-whatsapp:hover {
    background: #1ebe5d;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(37,211,102,0.3);
}

.ank-btn-contact {
    background: var(--ank-amber);
    color: #78350f;
}

.ank-btn-contact:hover {
    background: #e09000;
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(245,158,11,0.3);
}

/* ========== ERROR CARD ========== */
.ank-error-card {
    background: #fef2f2;
    border: 1.5px solid #fca5a5;
    border-radius: var(--ank-radius-sm);
    padding: 18px;
    margin-top: 24px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
    animation: ank-fadeUp 0.4s ease-out;
}

.ank-error-card svg {
    width: 20px;
    height: 20px;
    color: #dc2626;
    flex-shrink: 0;
    margin-top: 1px;
}

.ank-error-card p {
    margin: 0;
    font-size: 13px;
    color: #991b1b;
    font-weight: 500;
    line-height: 1.5;
}

/* ========== CONTACT FORM ========== */
.ank-cf-container {
    margin-top: 14px;
    padding: 24px;
    background: var(--ank-bg);
    border-radius: var(--ank-radius-sm);
    border: 1.5px solid var(--ank-border);
    animation: ank-fadeUp 0.3s ease-out;
}

.ank-cf-container.ank-hidden {
    display: none;
}

.ank-cf-container .wpcf7-form input,
.ank-cf-container .wpcf7-form textarea {
    width: 100%;
    padding: 10px 12px;
    border: 1.5px solid var(--ank-border);
    border-radius: var(--ank-radius-xs);
    font-size: 13px;
    font-family: inherit;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
}

.ank-cf-container .wpcf7-form input:focus,
.ank-cf-container .wpcf7-form textarea:focus {
    border-color: var(--ank-accent);
    box-shadow: 0 0 0 3px rgba(59,130,246,0.1);
}

.ank-cf-container .wpcf7-form input[type="submit"] {
    background: linear-gradient(135deg, var(--ank-accent), var(--ank-violet));
    color: #fff;
    border: none;
    font-weight: 600;
    cursor: pointer;
    padding: 12px;
    border-radius: var(--ank-radius-xs);
}

/* ========== RESPONSIVE ========== */
@media (max-width: 640px) {
    .ank-calculator {
        margin: 12px;
    }

    .ank-header {
        padding: 28px 20px 24px;
    }

    .ank-header h2 {
        font-size: 18px;
    }

    .ank-body {
        padding: 20px 16px;
    }

    .ank-address-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .ank-details-grid {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .ank-result-stats {
        grid-template-columns: 1fr;
    }

    .ank-actions {
        flex-direction: column;
    }

    .ank-loading-steps {
        flex-direction: column;
        gap: 8px;
        align-items: center;
    }
}