/* ==========================================================
   OtoMetrik — Stil Dosyası
   Aşama 3'teki tasarım sisteminin koddaki karşılığı
   ========================================================== */

/* ---------- 1. Tasarım token'ları ---------- */
:root {
    /* Renkler */
    --color-brand: #0B5D5B;
    --color-brand-dark: #084644;
    --color-brand-tint: #E3EFEC;
    --color-ink: #13171D;
    --color-ink-2: #465061;
    --color-line: #DCE0E5;
    --color-line-strong: #C9CFD6;
    --color-ground: #F5F6F3;
    --color-surface: #FFFFFF;
    --color-error: #B42318;
    /* Grafik renkleri (her maliyet kalemi için sabit) */
    --chart-depreciation: #0B5D5B;
    --chart-fuel: #D9822B;
    --chart-insurance: #7FB8AF;
    --chart-maintenance: #6B7788;
    --chart-parking: #CDB88A;
    --chart-tax: #2F3A48;
    /* Yazı tipleri */
    --font-display: "Archivo", system-ui, sans-serif;
    --font-body: "IBM Plex Sans", system-ui, sans-serif;
    /* Köşe yuvarlaklıkları */
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
}

/* ---------- 2. Temel ayarlar ---------- */
*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.55;
    color: var(--color-ink);
    background: var(--color-ground);
}

h1, h2, h3 {
    font-family: var(--font-display);
    line-height: 1.1;
    margin: 0;
}

a {
    color: var(--color-brand);
}

/* Rakamların alt alta düzgün hizalanması için */
.num {
    font-variant-numeric: tabular-nums;
}

/* ---------- 3. Yerleşim ---------- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.section {
    padding: 56px 0 0;
}

.section-title {
    font-size: 28px;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 24px;
}

@media (min-width: 768px) {
    .container {
        padding: 0 40px;
    }

    .section {
        padding-top: 88px;
    }

    .section-title {
        font-size: 36px;
    }
}

/* ---------- 4. Header (üst menü) ---------- */
.site-header {
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-line);
}

    .site-header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 64px;
    }

.logo {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-ink);
    text-decoration: none;
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 600;
}

    .logo strong {
        font-weight: 800;
        color: var(--color-brand);
    }

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

/* Telefonda menü bağlantıları gizli, sadece "Hesapla" butonu görünür */
.nav-link {
    display: none;
    color: var(--color-ink);
    text-decoration: none;
    font-weight: 500;
}

    .nav-link:hover {
        color: var(--color-brand);
    }

@media (min-width: 768px) {
    .nav-link {
        display: inline;
    }
}

/* ---------- 5. Butonlar ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    min-height: 48px; /* Parmakla rahat dokunulabilmesi için */
    padding: 0 22px;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 16px;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--color-brand);
    color: #FFFFFF;
}

    .btn-primary:hover {
        background: var(--color-brand-dark);
        color: #FFFFFF;
    }

.btn-secondary {
    background: var(--color-surface);
    color: var(--color-ink);
    border-color: var(--color-line-strong);
}

    .btn-secondary:hover {
        border-color: var(--color-ink-2);
        color: var(--color-ink);
    }

/* Klavyeyle gezinenler için odak göstergesi (erişilebilirlik) */
.btn:focus-visible,
a:focus-visible {
    outline: 3px solid var(--chart-fuel);
    outline-offset: 2px;
}

.btn-sm {
    min-height: 44px;
    padding: 0 18px;
}

/* ---------- 6. Kart ---------- */
.card {
    background: var(--color-surface);
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    padding: 20px;
}

/* ---------- 7. Hero (sayfanın en üst bölümü) ---------- */
.hero {
    padding: 40px 0 16px;
}

    .hero .container {
        display: grid;
        gap: 40px;
    }

.badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 999px;
    background: var(--color-brand-tint);
    color: var(--color-brand-dark);
    font-size: 14px;
    font-weight: 600;
}

.hero h1 {
    margin: 20px 0;
    font-size: clamp(36px, 7vw, 64px); /* Ekrana göre 36 ile 64 piksel arası */
    font-weight: 800;
    letter-spacing: -1.5px;
}

.hero-lead {
    max-width: 560px;
    margin: 0 0 28px;
    font-size: 18px;
    color: var(--color-ink-2);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-trust {
    margin: 20px 0 0;
    font-size: 14px;
    color: var(--color-ink-2);
}

@media (min-width: 960px) {
    .hero {
        padding: 88px 0 32px;
    }

        .hero .container {
            grid-template-columns: 1.1fr 0.9fr;
            align-items: center;
            gap: 64px;
        }
}

/* ---------- 8. Örnek sonuç kartı ---------- */
.sample-card {
    border-radius: var(--radius-xl);
    padding: 24px;
    box-shadow: 0 12px 32px rgba(19, 23, 29, 0.06);
}

.sample-card-head {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    font-size: 14px;
    color: var(--color-ink-2);
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--color-ink-2);
}

.big-number {
    display: block;
    font-family: var(--font-display);
    font-size: 44px;
    font-weight: 800;
    letter-spacing: -1px;
    font-variant-numeric: tabular-nums;
}

.stat-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 16px 0 20px;
}

.stat {
    padding: 12px 14px;
    border-radius: var(--radius-md);
    background: var(--color-ground);
}

.stat-value {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

/* Yığılmış çubuk grafik */
.stacked-bar {
    display: flex;
    gap: 2px;
    height: 14px;
    border-radius: 7px;
    overflow: hidden;
}

.legend {
    display: flex;
    flex-wrap: wrap;
    gap: 8px 16px;
    margin: 10px 0 0;
    padding: 0;
    list-style: none;
    font-size: 13px;
    color: var(--color-ink-2);
}

    .legend li {
        display: flex;
        align-items: center;
        gap: 6px;
    }

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.bg-depreciation {
    background: var(--chart-depreciation);
}

.bg-fuel {
    background: var(--chart-fuel);
}

.bg-insurance {
    background: var(--chart-insurance);
}

.bg-maintenance {
    background: var(--chart-maintenance);
}

.bg-parking {
    background: var(--chart-parking);
}

.bg-tax {
    background: var(--chart-tax);
}

/* ---------- 9. Yakıt fiyatları şeridi ---------- */
.price-strip {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 16px 32px;
}

.price-strip-title {
    display: block;
    font-weight: 600;
}

.price-updated {
    font-size: 13px;
    color: var(--color-ink-2);
}

.price-list {
    display: flex;
    flex-wrap: wrap;
    gap: 16px 32px;
    margin: 0;
    padding: 0;
    list-style: none;
}

    .price-list li {
        display: flex;
        flex-direction: column;
    }

.price-label {
    font-size: 13px;
    color: var(--color-ink-2);
}

.price-value {
    font-family: var(--font-display);
    font-size: 20px;
    font-weight: 700;
}

/* ---------- 10. Izgaralar (adımlar, araçlar, maliyet kalemleri) ---------- */
.grid-3 {
    display: grid;
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}

@media (min-width: 768px) {
    .grid-3 {
        grid-template-columns: repeat(3, 1fr);
    }
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    margin-bottom: 12px;
    border-radius: 50%;
    background: var(--color-brand);
    color: #FFFFFF;
    font-family: var(--font-display);
    font-weight: 700;
}

.grid-3 h3 {
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 6px;
}

.grid-3 p {
    margin: 0;
    color: var(--color-ink-2);
}

.tool-card {
    display: flex;
    flex-direction: column;
    gap: 8px;
    color: var(--color-ink);
    text-decoration: none;
}

.tool-card-primary {
    background: var(--color-brand);
    border-color: transparent;
    color: #FFFFFF;
}

    .tool-card-primary p {
        color: #D6E8E4;
    }

.tool-card-soon {
    background: #EEF0EC;
    border-style: dashed;
}

.tool-link {
    margin-top: auto;
    font-weight: 600;
}

.cost-item {
    display: flex;
    gap: 14px;
    align-items: flex-start;
}

    .cost-item .dot {
        flex-shrink: 0;
        width: 10px;
        height: 10px;
        margin-top: 8px;
    }

/* ---------- 11. SSS (Sık sorulan sorular) ---------- */
.faq details {
    padding: 18px 0;
    border-top: 1px solid var(--color-line);
}

    .faq details:last-child {
        border-bottom: 1px solid var(--color-line);
    }

.faq summary {
    cursor: pointer;
    font-size: 18px;
    font-weight: 600;
}

.faq p {
    margin: 10px 0 0;
    color: var(--color-ink-2);
}

/* ---------- 12. Footer (alt bölüm) ---------- */
.site-footer {
    margin-top: 88px;
    padding: 48px 0 32px;
    background: var(--color-ink);
    color: #C9CFD6;
}

.footer-grid {
    display: grid;
    gap: 32px;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 1.4fr 1fr 1fr 1fr;
    }
}

.site-footer .logo {
    color: #FFFFFF;
}

    .site-footer .logo strong {
        color: var(--chart-insurance);
    }

.footer-title {
    display: block;
    margin-bottom: 10px;
    color: #FFFFFF;
    font-weight: 600;
}

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

.site-footer a {
    color: #C9CFD6;
    text-decoration: none;
}

    .site-footer a:hover {
        color: #FFFFFF;
    }

.footer-bottom {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 8px;
    margin-top: 32px;
    padding-top: 20px;
    border-top: 1px solid #2F3A48;
    font-size: 13px;
}
/* ---------- 13. Hesaplama sayfası ---------- */
.calc-page {
    max-width: 640px;
    padding-top: 32px;
}

.page-title {
    font-size: clamp(28px, 5vw, 40px);
    font-weight: 800;
    letter-spacing: -0.5px;
}

.page-lead {
    margin: 8px 0 0;
    color: var(--color-ink-2);
}

/* Adım göstergesi: 1. Araç ve kullanım / 2. Giderler / 3. Sonuç */
.stepper {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 6px;
    margin: 24px 0;
    padding: 0;
    list-style: none;
    font-size: 13px;
    color: var(--color-ink-2);
}

    .stepper li {
        padding-top: 10px;
        border-top: 4px solid var(--color-line);
    }

        .stepper li.is-active {
            border-top-color: var(--color-brand);
            color: var(--color-brand);
            font-weight: 600;
        }

/* ---------- 14. Form elemanları ---------- */
.form-card {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.form-card-title {
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 600;
}

    .form-card-title small {
        display: block;
        font-size: 13px;
        font-weight: 400;
        color: var(--color-ink-2);
    }

.field {
    display: flex;
    flex-direction: column;
    gap: 6px;
    min-width: 0;
    margin: 0;
    padding: 0;
    border: 0;
}

    .field label,
    .field legend {
        padding: 0;
        font-size: 14px;
        font-weight: 500;
    }

    .field select,
    .input-group {
        height: 48px;
        border: 1px solid var(--color-line-strong);
        border-radius: 10px;
        background: var(--color-surface);
    }

    .field select {
        width: 100%;
        padding: 0 12px;
        font-family: inherit;
        font-size: 16px; /* 16px altı olursa iPhone sayfayı yakınlaştırır */
        color: var(--color-ink);
    }

        .field select:disabled {
            background: var(--color-ground);
            color: var(--chart-maintenance);
        }

.input-group {
    display: flex;
    align-items: center;
    padding: 0 14px 0 12px;
}

    .input-group input {
        flex: 1;
        min-width: 0;
        border: 0;
        outline: 0;
        background: transparent;
        font-family: inherit;
        font-size: 16px; /* 16px altı olursa iPhone sayfayı yakınlaştırır */
        color: var(--color-ink);
    }

    /* Odaklanınca petrol yeşili çerçeve */
    .field select:focus,
    .input-group:focus-within {
        outline: none;
        border-color: var(--color-brand);
        box-shadow: 0 0 0 1px var(--color-brand);
    }

    /* Hatalı alan: kırmızı çerçeve */
    .input-group.is-invalid {
        border-color: var(--color-error);
        box-shadow: 0 0 0 1px var(--color-error);
    }

.input-suffix {
    font-size: 14px;
    color: var(--color-ink-2);
    white-space: nowrap;
}

.field-help {
    margin: 0;
    font-size: 13px;
    color: var(--color-ink-2);
}

.field-error {
    margin: 0;
    font-size: 13px;
    color: var(--color-error);
}

/* Yakıt türü seçici (4'lü düğme grubu) */
.segmented {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 4px;
    padding: 4px;
    border-radius: var(--radius-md);
    background: #EEF0EC;
}

    .segmented label {
        display: flex;
        align-items: center;
        justify-content: center;
        height: 40px;
        border-radius: 9px;
        font-size: 14px;
        font-weight: 500;
        color: var(--color-ink-2);
        cursor: pointer;
    }

    .segmented input:checked + label {
        background: var(--color-surface);
        color: var(--color-brand);
        font-weight: 600;
        box-shadow: 0 1px 3px rgba(19, 23, 29, 0.12);
    }

    .segmented input:focus-visible + label {
        outline: 3px solid var(--chart-fuel);
        outline-offset: 1px;
    }

/* Görünmez ama ekran okuyucular ve klavye için erişilebilir */
.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    overflow: hidden;
    clip: rect(0 0 0 0);
    white-space: nowrap;
}

/* "veya kendin gir" ayracı */
.divider {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 16px 0;
    font-size: 13px;
    color: var(--color-ink-2);
}

    .divider::before,
    .divider::after {
        content: "";
        flex: 1;
        height: 1px;
        background: var(--color-line);
    }

/* Devam butonu: telefonda ekranın altına yapışık */
.form-actions {
    position: sticky;
    bottom: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 16px;
    padding: 16px 0 20px;
    background: var(--color-ground);
}

.btn-block {
    width: 100%;
}

.form-note {
    margin: 0;
    font-size: 12px;
    text-align: center;
    color: var(--color-ink-2);
}

@media (min-width: 768px) {
    .form-actions {
        position: static;
    }
}
/* ---------- 15. Form adımları ---------- */
.step-title {
    font-size: 24px;
    font-weight: 700;
}

    .step-title:focus {
        outline: none; /* JavaScript'in odakladığı başlıkta çerçeve görünmesin */
    }

.form-actions-row {
    display: flex;
    gap: 12px;
}

.btn-grow {
    flex: 1;
}

.btn:disabled {
    opacity: 0.6;
    cursor: wait;
}

.form-note.is-error {
    font-size: 14px;
    color: var(--color-error);
}

/* ---------- 16. Sonuç ekranı ---------- */
.result-stack {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.summary-card {
    display: flex;
    flex-direction: column;
    gap: 18px;
    padding: 24px;
    border-radius: var(--radius-xl);
    background: var(--color-brand);
    color: #FFFFFF;
}

    .summary-card .stat-label,
    .summary-context {
        color: #D6E8E4;
    }

.summary-context {
    display: block;
    font-size: 13px;
}

.summary-card .stat {
    background: var(--color-brand-dark);
}

.insight-card {
    display: flex;
    gap: 12px;
    align-items: flex-start;
}

    .insight-card svg {
        flex-shrink: 0;
        margin-top: 1px;
    }

    .insight-card p {
        margin: 0;
        font-size: 15px;
        color: var(--color-ink-2);
    }

    .insight-card strong {
        color: var(--color-ink);
    }

.card-title-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 16px;
}

.card-title {
    font-size: 20px;
    font-weight: 700;
}

.muted {
    font-size: 13px;
    color: var(--color-ink-2);
}

.breakdown-list {
    margin: 16px 0 0;
    padding: 0;
    list-style: none;
}

    .breakdown-list li {
        display: flex;
        align-items: center;
        gap: 12px;
        padding: 12px 0;
        border-top: 1px solid #EEF0EC;
    }

    .breakdown-list .dot {
        flex-shrink: 0;
        width: 10px;
        height: 10px;
    }

.breakdown-label {
    flex: 1;
}

.breakdown-pct {
    width: 52px;
    text-align: right;
    font-size: 13px;
    color: var(--color-ink-2);
}

.breakdown-amount {
    width: 100px;
    text-align: right;
    font-family: var(--font-display);
    font-weight: 700;
}

.projection-row + .projection-row {
    margin-top: 12px;
}

.projection-head {
    display: flex;
    justify-content: space-between;
    margin-bottom: 6px;
    font-size: 14px;
}

.projection-track {
    height: 10px;
    overflow: hidden;
    border-radius: 5px;
    background: #EEF0EC;
}

.projection-fill {
    height: 100%;
    border-radius: 5px;
}

.fill-mid {
    background: #3D8A82;
}

.note {
    margin: 12px 0 0;
    font-size: 13px;
    color: var(--color-ink-2);
}

.link-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
    padding: 18px 20px;
    border-radius: var(--radius-lg);
    background: var(--color-brand-tint);
    color: var(--color-ink);
    text-decoration: none;
}
/* ---------- 17. Metin sayfaları (Hakkımızda, yasal sayfalar, 404) ---------- */
.prose {
    max-width: 720px;
    padding-top: 32px;
}

    .prose h2 {
        margin: 32px 0 8px;
        font-size: 22px;
        font-weight: 700;
    }

    .prose p,
    .prose li {
        color: var(--color-ink-2);
    }

    .prose ul {
        padding-left: 20px;
    }

    .prose li + li {
        margin-top: 6px;
    }

    .prose strong {
        color: var(--color-ink);
    }

.contact-card {
    margin-top: 24px;
}

.contact-email {
    font-family: var(--font-display);
    font-size: 22px;
    font-weight: 700;
    text-decoration: none;
    overflow-wrap: anywhere; /* Uzun e-posta adresleri telefonda taşmasın */
}

/* ---------- 18. Onay kutusu (gidiş-dönüş) ---------- */
.checkbox-field {
    display: flex;
    align-items: center;
    gap: 10px;
    min-height: 44px;
    font-size: 15px;
    cursor: pointer;
}

    .checkbox-field input {
        width: 20px;
        height: 20px;
        accent-color: var(--color-brand); /* Tarayıcının kutusunu marka rengine boyar */
    }

/* ---------- 19. Araç sayfaları ---------- */
.catalog-page {
    max-width: 960px;
    padding-top: 24px;
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-bottom: 16px;
    font-size: 13px;
    color: var(--color-ink-2);
}

    .breadcrumb a {
        color: var(--color-ink-2);
    }

.brand-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(170px, 1fr));
    gap: 12px;
    margin: 24px 0 0;
    padding: 0;
    list-style: none;
}

.brand-card {
    display: flex;
    flex-direction: column;
    gap: 6px;
    height: 100%;
    color: var(--color-ink);
    text-decoration: none;
}

    .brand-card:hover {
        border-color: var(--color-brand);
    }

.chip-list {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin: 4px 0 0;
    padding: 0;
    list-style: none;
}

.chip {
    padding: 2px 10px;
    border-radius: 999px;
    background: var(--color-brand-tint);
    color: var(--color-brand-dark);
    font-size: 12px;
    font-weight: 600;
}

/* Geniş tablo: sayfa değil, sadece tablo yana kaysın */
.table-scroll {
    margin-top: 24px;
    overflow-x: auto;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-lg);
    background: var(--color-surface);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}

    .data-table th,
    .data-table td {
        padding: 12px 14px;
        text-align: left;
        white-space: nowrap;
        border-bottom: 1px solid #EEF0EC;
    }

    .data-table thead th {
        background: var(--color-ground);
        color: var(--color-ink-2);
        font-size: 12px;
        font-weight: 600;
    }

    .data-table tbody th {
        font-weight: 600;
    }

    .data-table .num {
        text-align: right;
        font-variant-numeric: tabular-nums;
    }

    .data-table tbody tr:last-child th,
    .data-table tbody tr:last-child td {
        border-bottom: 0;
    }

.source-list {
    padding-left: 18px;
    font-size: 13px;
    color: var(--color-ink-2);
}

    .source-list a {
        overflow-wrap: anywhere;
    }