/**
 * Mobile & Tablet — Başarı Sıralamaları
 */

:root {
    --touch-min: 44px;
    --safe-bottom: env(safe-area-inset-bottom, 0px);
    --safe-left: env(safe-area-inset-left, 0px);
    --safe-right: env(safe-area-inset-right, 0px);
}

html {
    -webkit-text-size-adjust: 100%;
    text-size-adjust: 100%;
    overflow-x: clip;
}

body {
    overflow-x: clip;
    padding-left: var(--safe-left);
    padding-right: var(--safe-right);
    padding-bottom: var(--safe-bottom);
}

img, video, svg { max-width: 100%; height: auto; }

/* ═══════════════════════════════════════════════════════════
   DESKTOP HEADER (1025+)
   ═══════════════════════════════════════════════════════════ */
@media (min-width: 1025px) {
    .header-inner {
        display: flex;
        align-items: center;
        gap: 1rem;
        flex-wrap: nowrap;
    }

    .logo { flex-shrink: 0; }

    .logo__img {
        height: 72px;
        max-width: 360px;
    }

    .nav-main[data-nav] {
        display: flex !important;
        flex: 1;
        justify-content: center;
        align-items: center;
        flex-wrap: wrap;
        gap: .15rem;
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: .5rem;
        margin-left: auto;
        flex-shrink: 0;
    }

    .nav-toggle,
    .nav-backdrop {
        display: none !important;
    }

    .nav-drop:hover .nav-drop__menu,
    .nav-drop:focus-within .nav-drop__menu {
        display: block;
    }

    .nav-drop__chevron { display: none; }
}

/* ═══════════════════════════════════════════════════════════
   TABLET & MOBILE HEADER (≤1024)
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    :root { --header-h: 76px; }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: nowrap;
        gap: .75rem;
        min-height: var(--header-h);
        padding-block: .5rem;
    }

    .logo {
        min-width: 0;
        flex: 0 1 auto;
        max-width: 68%;
    }

    .logo__img {
        height: 54px;
        max-width: min(280px, 100%);
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: .4rem;
        flex-shrink: 0;
    }

    .header-auth {
        display: flex;
        align-items: center;
        gap: .35rem;
    }

    .header-auth .btn--sm {
        padding: .4rem .55rem;
        font-size: .7rem;
        white-space: nowrap;
    }

    .header-auth__name { display: none; }

    /* Hamburger */
    .nav-toggle {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 5px;
        width: var(--touch-min);
        height: var(--touch-min);
        padding: 0;
        border: 1px solid var(--border);
        border-radius: 10px;
        background: var(--bg-elevated);
        cursor: pointer;
        flex-shrink: 0;
    }

    .nav-toggle__bar {
        display: block;
        width: 18px;
        height: 2px;
        background: var(--text);
        border-radius: 1px;
        transition: transform .2s, opacity .2s;
    }

    .nav-toggle.is-active .nav-toggle__bar:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle.is-active .nav-toggle__bar:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.is-active .nav-toggle__bar:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    /* Backdrop */
    .nav-backdrop {
        position: fixed;
        inset: 0;
        top: var(--header-h);
        z-index: 240;
        background: rgba(28, 25, 23, .45);
        backdrop-filter: blur(2px);
    }
    .nav-backdrop[hidden] { display: none !important; }

    /* Drawer menu */
    .nav-main[data-nav] {
        position: fixed;
        top: var(--header-h);
        left: 0;
        right: 0;
        z-index: 250;
        display: flex;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        max-height: calc(100dvh - var(--header-h) - var(--safe-bottom));
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
        padding: .75rem;
        margin: 0;
        background: var(--bg-elevated);
        border-bottom: 1px solid var(--border);
        box-shadow: 0 12px 40px rgba(28, 25, 23, .15);
        transform: translateY(-110%);
        opacity: 0;
        visibility: hidden;
        pointer-events: none;
        transition: transform .25s ease, opacity .2s, visibility .2s;
    }

    .nav-main.is-open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
        pointer-events: auto;
    }

    .nav-main > a,
    .nav-drop > .nav-drop__trigger {
        display: flex;
        align-items: center;
        justify-content: space-between;
        width: 100%;
        min-height: var(--touch-min);
        padding: .7rem 1rem;
        border-radius: var(--radius-sm);
        font-size: .9375rem;
        text-align: left;
        color: var(--text);
    }

    .nav-main > a:hover,
    .nav-drop > .nav-drop__trigger:hover {
        background: var(--bg-muted);
        color: var(--text);
    }

    .nav-drop { width: 100%; }

    /* Mobilde hover ile açılmasın */
    .nav-drop:hover .nav-drop__menu {
        display: none !important;
    }

    .nav-drop__menu {
        display: none;
        position: static;
        min-width: 0;
        margin: 0 0 .25rem;
        padding: .25rem 0 .25rem .75rem;
        border: none;
        border-left: 3px solid var(--primary-light);
        border-radius: 0;
        box-shadow: none;
        background: transparent;
    }

    .nav-drop.is-expanded .nav-drop__menu {
        display: block !important;
    }

    .nav-drop__menu a {
        display: flex;
        align-items: center;
        min-height: 40px;
        padding: .55rem .85rem;
        font-size: .875rem;
    }

    .nav-drop__chevron {
        font-size: .65rem;
        opacity: .5;
        transition: transform .2s;
    }

    .nav-drop.is-expanded .nav-drop__chevron {
        transform: rotate(180deg);
    }

    body.nav-open {
        overflow: hidden;
    }

    body.nav-open .site-header {
        z-index: 300;
    }
}

@media (max-width: 380px) {
    .header-auth .btn--ghost { display: none; }
    .logo__img {
        height: 46px;
        max-width: min(220px, 100%);
    }
}

/* ═══════════════════════════════════════════════════════════
   LAYOUT
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .page-grid {
        display: flex;
        flex-direction: column;
        gap: 1.75rem;
        padding: 1.25rem 0 2.5rem;
    }

    .page-main,
    .page-aside {
        width: 100%;
        min-width: 0;
        position: static;
        order: unset;
    }

    .page-aside .widget {
        margin-bottom: 0;
    }
}

@media (max-width: 768px) {
    .container {
        width: min(100% - 1.25rem, var(--container));
    }

    .hero { padding: 1.25rem 0 .5rem; }
    .hero h1 { font-size: clamp(1.5rem, 6.5vw, 2rem); }
    .hero__lead { font-size: .95rem; }

    .article { padding: 1.15rem; }

    .feature-grid,
    .card-grid,
    .tools-hub-grid {
        grid-template-columns: 1fr;
        gap: .85rem;
    }

    .pill-nav {
        flex-wrap: wrap;
    }

    .countdown__grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: .4rem;
    }
    .countdown__item { min-width: 0; padding: .5rem .35rem; }
    .countdown__num { font-size: 1.25rem; }

    .filters {
        display: flex;
        flex-direction: column;
        gap: .5rem;
    }
    .filters input,
    .filters select,
    .filters .btn,
    .filters a.btn {
        width: 100%;
        max-width: none;
        min-height: var(--touch-min);
        box-sizing: border-box;
    }

    .dept-index ul { columns: 1; }

    .table-card__head,
    .placement-flow__head {
        flex-direction: column;
        align-items: flex-start;
        gap: .4rem;
    }

    .site-footer { padding: 1.75rem 0 1.25rem; margin-top: 1.5rem; }

    .placement-flow .table-scroll {
        max-height: none;
        overflow: visible;
    }

    .score-table {
        display: block;
        width: 100%;
        border: none;
    }

    .score-table thead { display: none; }

    .score-table tbody {
        display: flex;
        flex-direction: column;
        gap: 1rem;
    }

    .score-table tr {
        display: block;
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        background: var(--bg-elevated);
        box-shadow: var(--shadow);
        overflow: hidden;
    }

    .score-table tr:hover td { background: transparent; }

    .score-table td {
        display: flex;
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        gap: .75rem;
        width: 100%;
        padding: .7rem 1rem;
        border: none;
        border-bottom: 1px solid var(--border);
        text-align: right;
        background: transparent !important;
    }

    .score-table td:last-child {
        border-bottom: none;
    }

    .score-table td::before {
        content: attr(data-label);
        font-weight: 600;
        font-size: .68rem;
        text-transform: uppercase;
        letter-spacing: .04em;
        color: var(--text-subtle);
        text-align: left;
        flex: 0 1 45%;
    }

    .score-table td:not([data-label])::before,
    .score-table td[data-label=""]::before {
        display: none;
    }

    /* İlk hücre = kart başlığı (tüm tablolar) */
    .score-table tr td:first-child {
        flex-direction: column;
        align-items: flex-start !important;
        text-align: left !important;
        gap: .25rem;
        padding: .85rem 1rem !important;
        background: linear-gradient(180deg, #f8fafc, #fff) !important;
        border-bottom: 2px solid var(--border) !important;
    }

    .score-table tr td:first-child::before {
        display: none;
    }

    .score-table--multi .score-table__sticky-col {
        position: static;
        box-shadow: none;
        background: linear-gradient(180deg, #f0f9ff, #fff) !important;
        flex-direction: column;
        align-items: flex-start !important;
        text-align: left !important;
        padding: 1rem !important;
        border-bottom: 2px solid var(--primary-light) !important;
    }

    .score-table--multi .score-table__sticky-col::before {
        display: none;
    }

    .score-table--multi .score-table__uni {
        font-size: .95rem;
    }

    .score-table--multi .year-stack {
        width: 100%;
        min-width: 0;
    }

    .score-table--multi .year-stack__row {
        max-width: none;
    }

    .score-table--multi tr {
        border-top: none;
    }

    .btn-add-pref {
        min-width: var(--touch-min);
        min-height: var(--touch-min);
    }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .feature-grid,
    .tools-hub-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .filters {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
    .filters .btn,
    .filters a.btn {
        grid-column: 1 / -1;
    }
}

/* ═══════════════════════════════════════════════════════════
   CALCULATOR
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .calc-hub-nav {
        display: flex;
        flex-wrap: nowrap;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        gap: .35rem;
        padding: .35rem;
        margin-bottom: 1.25rem;
        scrollbar-width: none;
    }
    .calc-hub-nav::-webkit-scrollbar { display: none; }
    .calc-hub-nav a {
        flex: 0 0 auto;
        white-space: nowrap;
    }

    .calc-yks-form {
        border-radius: var(--radius);
        overflow: hidden;
    }

    .calc-yks-hero {
        flex-direction: column;
        padding: 1.35rem 1rem;
    }

    .calc-yks-hero__formula {
        width: 100%;
        font-size: .75rem;
    }

    .calc-yks-form__body {
        padding: 1rem .85rem 1.25rem;
    }

    .calc-yks-toolbar {
        grid-template-columns: 1fr;
    }

    .calc-yks-section {
        border-radius: 12px;
    }

    .calc-yks-colhead { display: none; }

    .calc-yks-row {
        grid-template-columns: 1fr;
        gap: .65rem;
        padding: .85rem 1rem;
    }

    .calc-yks-row__fields {
        width: 100%;
        justify-content: flex-start;
    }

    .calc-yks-row__net {
        width: 100%;
        flex-direction: row;
        justify-content: space-between;
        margin-left: 0;
    }

    .calc-yks-obp-grid {
        grid-template-columns: 1fr;
        padding: .85rem 1rem 1rem;
    }

    .calc-yks-actions {
        flex-direction: column;
        padding-top: 1rem;
    }

    .calc-yks-actions .btn {
        width: 100%;
    }

    .calc-result {
        margin-top: 1.5rem;
        border-radius: var(--radius);
    }

    .calc-result__hero { padding: 1.5rem 1rem; }
    .calc-result__hero-score { font-size: clamp(2rem, 12vw, 2.75rem); }

    .calc-result__scores {
        flex-wrap: wrap;
        padding: .75rem;
    }

    .calc-score-pill {
        flex: 1 1 calc(50% - .35rem);
        min-width: calc(50% - .35rem);
    }

    .calc-result__grid {
        grid-template-columns: 1fr 1fr;
    }

    .calc-result__actions {
        flex-direction: column;
    }
    .calc-result__actions .btn {
        width: 100%;
        justify-content: center;
    }

    .calc-panel__body { padding: 1rem; }

    .calc-subject:not(.calc-yks-row) {
        grid-template-columns: 1fr 1fr;
    }
    .calc-subject:not(.calc-yks-row) .calc-subject__label {
        grid-column: 1 / -1;
    }
    .calc-subject:not(.calc-yks-row) input {
        width: 100%;
        min-height: 42px;
    }
    .calc-subject:not(.calc-yks-row) .calc-subject__net {
        grid-column: 1 / -1;
    }

    .calc-options { grid-template-columns: 1fr; }
    .calc-submit { flex-direction: column; }
    .calc-submit .btn { width: 100%; }

    .tool-page-shell .hero--compact { padding-top: 0; }
    .tool-page-shell .hero--compact h1 {
        font-size: clamp(1.35rem, 5.5vw, 1.65rem);
    }

    .robot-columns,
    .compare-grid {
        grid-template-columns: 1fr;
    }

    .site-ad-banner .ad-slot--placeholder {
        min-height: 50px;
        font-size: .65rem;
    }
}

@media (max-width: 480px) {
    .calc-yks-field input {
        width: 3rem;
        font-size: .95rem;
    }

    .calc-result__grid,
    .calc-score-pill {
        grid-template-columns: 1fr;
    }

    .calc-score-pill {
        flex: 1 1 100%;
        min-width: 100%;
    }
}

/* ═══════════════════════════════════════════════════════════
   ADS · PAGER · FORMS
   ═══════════════════════════════════════════════════════════ */
@media (max-width: 768px) {
    .ad-wrap { margin: .85rem 0; }
    .ad-sidebar .ad-slot--placeholder { min-height: 120px; }

    .pager__list { gap: .25rem; }
    .pager__link {
        min-width: 40px;
        min-height: 40px;
        padding: .35rem .45rem;
        font-size: .8rem;
    }

    .calc-panel input[type="email"],
    .calc-panel input[type="password"],
    .calc-panel input[type="text"],
    .calc-panel input[type="number"] {
        width: 100%;
        max-width: 100%;
        min-height: var(--touch-min);
        padding: .7rem .9rem;
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        font: inherit;
        box-sizing: border-box;
    }
}

@media (prefers-reduced-motion: reduce) {
    .nav-main[data-nav],
    .nav-toggle__bar,
    .calc-result {
        transition: none;
        animation: none;
    }
}