:root {
    --orange: #db1215;
    --orange-dark: #db1215;
    --orange-light: #fff5ed;

    --teal: #949494;
    --teal-dark: #6b6b6b;
    --teal-light: #eaf7f6;

    --blue: #3267a3;
    --green: #50a96d;

    --text: #161d2b;
    --muted: #6b7486;
    --border: #dce2eb;
    --background: #f5f7fa;
    --white: #ffffff;

    --radius: 10px;
    --shadow: 0 10px 30px rgba(25, 39, 67, 0.07);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    background: var(--background);
    color: var(--text);
    line-height: 1.5;
}

button,
input,
textarea {
    font: inherit;
}

button {
    border: none;
}

img {
    display: block;
    max-width: 100%;
}

/* Ana teklif alanı */

.offer-system {
    width: 100%;
    padding-left: 50px;
    padding-right: 50px;
    margin: 20px auto;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 14px;
    background: var(--white);
    box-shadow: var(--shadow);
}

/* Üst aşamalar */

.offer-steps {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    align-items: center;
    padding: 20px 18px;
    border-bottom: 1px solid var(--border);
    background: var(--white);
}

.offer-step {
    position: relative;
    display: flex;
    align-items: center;
    gap: 7px;
    min-width: 0;
    color: #8b94a5;
    font-size: 16px;
    font-weight: 700;
}

.step-number,
.step-name {
    position: relative;
    z-index: 2;
}

.step-number {
    width: 26px;
    height: 26px;
    flex: 0 0 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid #edf0f4;
    border-radius: 50%;
    background: #cfd6df;
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
}

.offer-step.active {
    color: var(--orange);
}

.offer-step.active .step-number {
    border-color: #ffd8bd;
    background: var(--orange);
}

.offer-step.completed {
    color: var(--teal);
}

.offer-step.completed .step-number {
    border-color: #cce7e4;
    background: var(--teal);
}

.offer-step.completed:not(:last-child)::after {
    background: var(--teal);
}

/* Ana düzen */

.offer-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 335px;
    gap: 30px;
    padding: 17px;
}

.offer-left {
    min-width: 0;
}

.offer-right {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.offer-section {
    margin-bottom: 18px;
}

.offer-section:last-child {
    margin-bottom: 0;
}

/* Bölüm başlıkları */

.section-heading {
    display: flex;
    align-items: center;
    gap: 9px;
    margin-bottom: 10px;
}

.section-heading::after {
    content: "";
    height: 1px;
    flex: 1;
    background: var(--border);
}

.section-index {
    width: 27px;
    height: 27px;
    flex: 0 0 27px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--orange);
    color: #ffffff;
    font-size: 12px;
    font-weight: 700;
}

.section-heading.teal .section-index {
    background: var(--teal);
}

.section-heading h2 {
    white-space: nowrap;
    font-size: 16px;
}

/* Ürünler */

.product-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 9px;
}

.product-card {
    position: relative;
    min-height: 150px;
    padding: 8px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--white);
    cursor: pointer;
    transition: 0.2s ease;
}

.product-card:hover {
    border-color: #abb7c8;
    transform: translateY(-2px);
    box-shadow: 0 7px 18px rgba(23, 38, 67, 0.07);
}

.product-card.selected {
    border: 2px solid var(--blue);
    background: #fbfdff;
}

.product-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.selection-mark {
    position: absolute;
    top: 6px;
    right: 6px;
    z-index: 2;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid #cbd4e1;
    border-radius: 50%;
    background: #ffffff;
    color: transparent;
    font-size: 10px;
    font-weight: 700;
}

.product-card.selected .selection-mark {
    border-color: var(--orange);
    background: var(--orange);
    color: #ffffff;
}

.product-image {
    height: 185px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3px 8px;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.product-name {
    margin-top: 3px;
    color: #10131a;
    text-align: center;
    font-size: 16px;
    font-weight: 500;
    line-height: 1.25;
}

/* Paketler */

.package-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 9px;
}

.package-card {
    position: relative;
    display: flex;
    flex-direction: column;
    min-height: 235px;
    padding: 13px 11px 10px;
    border: 1px solid var(--border);
    border-radius: 8px;
    background: var(--white);
    cursor: pointer;
    transition: 0.2s ease;
}

.package-card:hover {
    border-color: #b2bdcc;
    transform: translateY(-2px);
    box-shadow: 0 7px 18px rgba(23, 38, 67, 0.07);
}

.package-card.selected {
    border: 2px solid var(--orange);
    background: #fffdfb;
}

.package-card input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.package-card.selected .selection-mark {
    border-color: var(--teal);
    background: var(--teal);
    color: #ffffff;
}

.package-title {
    margin-bottom: 8px;
    font-size: 20px;
    font-weight: 700;
}

.package-card[data-package="Ekonomik"] .package-title {
    color: var(--teal);
}

.package-card[data-package="Standart"] .package-title {
    color: var(--blue);
}

.package-card[data-package="Premium"] .package-title {
    color: var(--orange);
}

.package-features {
    display: flex;
    flex-direction: column;
    gap: 7px;
    margin-bottom: 12px;
    color: #303744;
    font-size: 11px;
}

.package-feature {
    position: relative;
    padding-left: 11px;
}

.package-feature::before {
    content: "•";
    position: absolute;
    top: 0;
    left: 0;
    font-weight: 700;
}

.package-price {
    margin-top: auto;
    padding: 8px;
    border-radius: 7px;
    color: #ffffff;
    text-align: center;
    font-size: 14px;
    font-weight: 700;
}

.package-card[data-package="Ekonomik"] .package-price {
    background: var(--green);
}

.package-card[data-package="Standart"] .package-price {
    background: var(--blue);
}

.package-card[data-package="Premium"] .package-price {
    background: var(--orange);
}

/* Sağ kartlar */

.right-card {
    padding: 14px;
    border: 1px solid var(--border);
    border-radius: 10px;
    background: var(--white);
    box-shadow: 0 6px 18px rgba(24, 39, 68, 0.045);
}

.right-card-title {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 11px;
    padding-bottom: 9px;
    border-bottom: 1px solid var(--border);
}

.right-card-number {
    width: 25px;
    height: 25px;
    flex: 0 0 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--orange);
    color: #ffffff;
    font-size: 11px;
    font-weight: 700;
}

.right-card-title.teal .right-card-number {
    background: var(--teal);
}

.right-card-title h3 {
    color: #1d2941;
    font-size: 15px;
}

/* Teklif özeti */

.offer-request-card {
    border-top: 3px solid var(--orange);
}

.offer-request-heading {
    margin-bottom: 4px;
    color: var(--orange);
    font-size: 19px;
    font-weight: 700;
}

.offer-request-text {
    margin-bottom: 11px;
    color: var(--muted);
    font-size: 11px;
}

.summary-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    gap: 12px;
}

.summary-row span {
    color: #667086;
}

.summary-row strong {
    max-width: 58%;
    color: #27344f;
    text-align: right;
    word-break: break-word;
}

.summary-divider {
    height: 1px;
    margin: 10px 0;
    background: var(--border);
}

.total-label {
    color: var(--muted);
    font-size: 11px;
}

.estimated-price {
    margin-top: 2px;
    color: var(--orange);
    font-size: 25px;
    font-weight: 700;
}

.price-note {
    margin-top: 1px;
    color: var(--muted);
    font-size: 10px;
}

.calculation-text {
    margin-top: 6px;
    color: #4d5870;
    font-size: 11px;
}

.request-button {
    width: 100%;
    min-height: 42px;
    margin-top: 11px;
    padding: 9px 12px;
    border-radius: 7px;
    background: linear-gradient(135deg,
            var(--orange),
            var(--orange-dark));
    color: #ffffff;
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
    transition: 0.2s ease;
}

.request-button:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 7px 16px rgba(237, 100, 7, 0.24);
}

.request-button:disabled {
    background: #c8ced7;
    cursor: not-allowed;
}

/* Adet alanı */

.quantity-box {
    display: grid;
    grid-template-columns: 42px minmax(80px, 1fr) 42px;
    height: 42px;
    overflow: hidden;
    border: 1px solid var(--border);
    border-radius: 7px;
    background: var(--white);
}

.quantity-button {
    background: #f0f3f7;
    color: #202838;
    cursor: pointer;
    font-size: 18px;
    transition: 0.2s ease;
}

.quantity-button:hover {
    background: #e3e8ef;
}

.quantity-input {
    width: 100%;
    min-width: 0;
    border: none;
    border-right: 1px solid var(--border);
    border-left: 1px solid var(--border);
    outline: none;
    text-align: center;
    color: #142039;
    font-size: 15px;
    font-weight: 700;
}

.quantity-info {
    margin-top: 7px;
    color: var(--muted);
    font-size: 10px;
}

.quantity-error {
    display: none;
    margin-top: 4px;
    color: #d63939;
    font-size: 10px;
    font-weight: 700;
}

.discount-info {
    margin-top: 9px;
    padding: 8px 9px;
    border: 1px solid #f1d2bb;
    border-radius: 7px;
    background: var(--orange-light);
    color: #75421e;
    font-size: 10px;
    line-height: 1.4;
}

.discount-info strong {
    color: var(--orange-dark);
}

/* Logo alanı */

.logo-upload {
    position: relative;
    min-height: 88px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 10px;
    border: 2px dashed #a8cbc8;
    border-radius: 8px;
    background: var(--teal-light);
    text-align: center;
    cursor: pointer;
    transition: 0.2s ease;
}

.logo-upload:hover {
    border-color: var(--teal);
    background: #dff2f0;
}

.logo-upload input {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

.upload-icon {
    margin-bottom: 2px;
    color: var(--teal);
    font-size: 22px;
    font-weight: 700;
}

.logo-upload strong {
    color: var(--teal-dark);
    font-size: 11px;
}

.logo-upload span {
    margin-top: 2px;
    color: var(--muted);
    font-size: 9px;
}

.logo-preview {
    display: none;
    margin-top: 8px;
    padding: 7px;
    border: 1px solid var(--border);
    border-radius: 7px;
    background: #ffffff;
}

.logo-preview.active {
    display: flex;
    align-items: center;
    gap: 9px;
}

.logo-preview img {
    width: 50px;
    height: 42px;
    object-fit: contain;
    border: 1px solid #edf0f4;
    border-radius: 5px;
}

.logo-file-info {
    min-width: 0;
    flex: 1;
}

.logo-file-name {
    overflow: hidden;
    color: #28344d;
    font-size: 10px;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.remove-logo {
    margin-top: 3px;
    padding: 0;
    background: transparent;
    color: #d23c3c;
    cursor: pointer;
    font-size: 9px;
}

.logo-later {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-top: 8px;
    color: #505a70;
    font-size: 10px;
    cursor: pointer;
}

.logo-later input {
    width: 15px;
    height: 15px;
    accent-color: var(--teal);
}

/* Modal */

.offer-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 20px;
    background: rgba(8, 15, 28, 0.68);
}

.offer-modal.open {
    display: flex;
}

.modal-box {
    width: min(530px, 100%);
    max-height: calc(100vh - 40px);
    overflow-y: auto;
    border-radius: 14px;
    background: #ffffff;
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.28);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    padding: 17px 19px;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    color: #202c45;
    font-size: 18px;
}

.modal-close {
    width: 33px;
    height: 33px;
    border-radius: 50%;
    background: #f0f2f5;
    color: #4a5468;
    cursor: pointer;
    font-size: 20px;
}

.modal-body {
    padding: 19px;
}

.modal-summary {
    margin-bottom: 15px;
    padding: 11px;
    border-radius: 7px;
    background: #f5f7fa;
    color: #566076;
    font-size: 11px;
}

.modal-summary strong {
    color: #23304a;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.form-group.full {
    grid-column: 1 / -1;
}

.form-group label {
    color: #35415b;
    font-size: 11px;
    font-weight: 700;
}

.form-group input,
.form-group textarea {
    width: 100%;
    border: 1px solid #d4dbe5;
    border-radius: 7px;
    outline: none;
    background: #ffffff;
    color: #192238;
    transition: 0.2s ease;
}

.form-group input {
    height: 41px;
    padding: 0 11px;
}

.form-group textarea {
    min-height: 82px;
    padding: 10px 11px;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--teal);
    box-shadow: 0 0 0 3px rgba(26, 133, 128, 0.1);
}

.required {
    color: #d43838;
}

.send-button {
    width: 100%;
    min-height: 43px;
    margin-top: 15px;
    border-radius: 7px;
    background: var(--teal);
    color: #ffffff;
    cursor: pointer;
    font-size: 12px;
    font-weight: 700;
}

.send-button:hover {
    background: var(--teal-dark);
}

/* Bildirim */

.notification {
    position: fixed;
    right: 18px;
    bottom: 18px;
    z-index: 10000;
    max-width: 330px;
    padding: 12px 15px;
    border-radius: 8px;
    background: #202b41;
    color: #ffffff;
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.22);
    opacity: 0;
    visibility: hidden;
    transform: translateY(12px);
    transition: 0.25s ease;
    font-size: 12px;
}

.notification.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

/* Tablet */

@media (max-width: 1000px) {
    .offer-layout {
        grid-template-columns: 1fr;
    }

    .offer-right {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        align-items: start;
    }

    .offer-request-card {
        grid-column: 1 / -1;
    }
}

@media (max-width: 780px) {
    .offer-system {
        width: 100%;
        margin: 0;
        border-radius: 0;
    }

    .offer-steps {
        grid-template-columns: repeat(5, minmax(110px, 1fr));
        overflow-x: auto;
    }

    .product-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .package-grid {
        grid-template-columns: 1fr;
    }

    .package-card {
        min-height: auto;
    }

    .offer-right {
        grid-template-columns: 1fr;
    }

    .offer-request-card {
        grid-column: auto;
    }
}

@media (max-width: 500px) {
    .offer-layout {
        padding: 12px;
    }

    .product-grid {
        grid-template-columns: 1fr 1fr;
        gap: 7px;
    }

    .product-card {
        min-height: 138px;
    }

    .product-image {
        height: 94px;
    }

    .form-grid {
        grid-template-columns: 1fr;
    }

    .form-group.full {
        grid-column: auto;
    }
}