/* ============================================================
   Hakkında Sayfası — public/css/pages/about.css
   ============================================================ */

/* ── Genel Bölüm Stilleri ────────────────────────────────── */
.about-section {
    padding: 4rem 0;
}

.about-section + .about-section {
    border-top: 1px solid var(--color-border);
}

.about-section__header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 3rem;
}

.about-section__header-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
}

.about-section__tag {
    display: inline-block;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--color-primary);
    background: var(--color-primary-alpha);
    border-radius: 999px;
    padding: .25rem .75rem;
    margin-bottom: .75rem;
}

.about-section__tag--green { /* aynı, alias */
    color: var(--color-primary);
    background: var(--color-primary-alpha);
}

.about-section__title {
    font-size: clamp(1.4rem, 3vw, 2rem);
    font-weight: 800;
    color: var(--color-text-primary);
    margin: 0 0 .75rem;
    line-height: 1.25;
}

.about-section__subtitle {
    color: var(--color-text-secondary);
    font-size: .97rem;
    line-height: 1.65;
    margin: 0;
}

/* ── Hero ─────────────────────────────────────────────────── */
.about-hero {
    padding: 3.5rem 0 2.5rem;
    background: linear-gradient(160deg, var(--color-bg-secondary) 0%, var(--color-bg) 60%);
    border-bottom: 1px solid var(--color-border);
}

.about-hero__inner { max-width: 700px; }

.about-hero__badge {
    display: inline-block;
    font-size: .72rem;
    font-weight: 700;
    letter-spacing: .1em;
    text-transform: uppercase;
    color: var(--color-primary);
    background: var(--color-primary-alpha);
    border-radius: 999px;
    padding: .25rem .75rem;
    margin-bottom: 1rem;
}

.about-hero__title {
    font-size: clamp(1.8rem, 5vw, 3rem);
    font-weight: 900;
    line-height: 1.15;
    color: var(--color-text-primary);
    margin: 0 0 1rem;
}

.about-hero__lead {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--color-text-secondary);
    margin: 0 0 1.75rem;
    max-width: 56ch;
}

.about-hero__cta {
    display: flex;
    gap: .75rem;
    flex-wrap: wrap;
}

/* Hızlı istatistikler */
.about-stats {
    display: flex;
    flex-wrap: wrap;
    gap: 1px;
    margin-top: 2.5rem;
    background: var(--color-border);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    max-width: 600px;
}

.about-stat {
    flex: 1;
    min-width: 110px;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.1rem .75rem;
    background: var(--color-bg);
    gap: .25rem;
}

.about-stat__value {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.about-stat__label {
    font-size: .72rem;
    color: var(--color-muted);
    text-align: center;
    line-height: 1.3;
}

.about-stats__note {
    font-size: .75rem;
    color: var(--color-muted);
    margin: .5rem 0 0;
}

/* ── Vizyon — Kart Grid ──────────────────────────────────── */
.vision-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.25rem;
}

.vision-card {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
    transition: box-shadow .2s, border-color .2s;
}

.vision-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 20px rgba(0,0,0,.07);
}

.vision-card__icon {
    width: 44px;
    height: 44px;
    background: var(--color-primary-alpha);
    color: var(--color-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.vision-card h3 {
    font-size: .97rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0 0 .5rem;
}

.vision-card p {
    font-size: .87rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0;
}

/* ── Misyon — 2 Kolon ────────────────────────────────────── */
.about-section__two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: start;
}

@media (max-width: 800px) {
    .about-section__two-col { grid-template-columns: 1fr; gap: 2rem; }
}

.about-section__col-text .about-section__tag { margin-bottom: .75rem; }
.about-section__col-text .about-section__title { text-align: left; margin: 0 0 1rem; }

.about-section__col-text p {
    color: var(--color-text-secondary);
    font-size: .93rem;
    line-height: 1.7;
    margin: 0 0 .9rem;
}

.mission-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: .85rem;
}

.mission-list__item {
    display: flex;
    gap: .75rem;
    align-items: flex-start;
    font-size: .9rem;
    color: var(--color-text-secondary);
    line-height: 1.55;
}

.mission-list__icon {
    width: 22px;
    height: 22px;
    min-width: 22px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: .15rem;
}

/* ── Şeffaf Geliştirme ───────────────────────────────────── */
.about-transparency { background: var(--color-bg-secondary); }

.transparency-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.transparency-item {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    padding: 1.5rem;
}

.transparency-item__icon {
    width: 42px;
    height: 42px;
    background: var(--color-primary-alpha);
    color: var(--color-primary);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.transparency-item h3 {
    font-size: .95rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0 0 .5rem;
}

.transparency-item p {
    font-size: .86rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0 0 .75rem;
}

.transparency-item__link,
.inline-link {
    font-size: .84rem;
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
}

.transparency-item__link:hover,
.inline-link:hover { text-decoration: underline; }

/* ── Derinlemesine Bakış ─────────────────────────────────── */
.deepdive-block {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 1.25rem;
    scroll-margin-top: 6rem;
}

.deepdive-block__header {
    display: flex;
    align-items: center;
    gap: .75rem;
    padding: 1.1rem 1.4rem;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-bg);
}

.deepdive-block__icon {
    width: 36px;
    height: 36px;
    background: var(--color-primary-alpha);
    color: var(--color-primary);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.deepdive-block__header h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
}

.deepdive-block__body {
    padding: 1.4rem;
}

.deepdive-block__body > p {
    color: var(--color-text-secondary);
    font-size: .9rem;
    line-height: 1.65;
    margin: 0 0 1rem;
}

.deepdive-list {
    list-style: none;
    padding: 0;
    margin: .75rem 0 0;
    display: flex;
    flex-direction: column;
    gap: .55rem;
}

.deepdive-list li {
    font-size: .88rem;
    color: var(--color-text-secondary);
    line-height: 1.55;
    padding-left: 1rem;
    position: relative;
}

.deepdive-list li::before {
    content: '—';
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.deepdive-list li strong { color: var(--color-text-primary); }

/* Mimari akış */
.deepdive-flow {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: .4rem;
    margin: .75rem 0;
    font-size: .8rem;
}

.deepdive-flow__step {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: .25rem .6rem;
    color: var(--color-text-primary);
    font-family: monospace;
    font-weight: 600;
}

.deepdive-flow__arrow { color: var(--color-muted); }

/* Güvenlik katmanları */
.security-layers {
    display: flex;
    flex-direction: column;
    gap: .65rem;
    margin: .75rem 0;
}

.security-layer {
    display: flex;
    align-items: flex-start;
    gap: .85rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: .75rem 1rem;
}

.security-layer__num {
    width: 26px;
    height: 26px;
    min-width: 26px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: .75rem;
    font-weight: 800;
    margin-top: .1rem;
}

.security-layer__content strong {
    display: block;
    font-size: .88rem;
    color: var(--color-text-primary);
    margin-bottom: .15rem;
}

.security-layer__content p {
    font-size: .82rem;
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin: 0;
}

/* Dosya ağacı */
.deepdive-file-tree {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    overflow: hidden;
    margin: .75rem 0;
}

.deepdive-file-tree pre {
    margin: 0;
    padding: 1rem;
    font-size: .8rem;
    font-family: 'JetBrains Mono', Consolas, monospace;
    color: var(--color-text-primary);
    overflow-x: auto;
    line-height: 1.6;
    background: transparent;
}

.deepdive-note {
    font-size: .82rem;
    color: var(--color-muted);
    margin: 1rem 0 0 !important;
}

/* Lisans badge */
.deepdive-license-badge {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    font-size: .84rem;
    font-weight: 500;
    color: var(--color-primary);
    background: var(--color-primary-alpha);
    border: 1px solid currentColor;
    border-radius: 6px;
    padding: .35rem .8rem;
    text-decoration: none;
    margin-top: .5rem;
    transition: background .15s;
}

.deepdive-license-badge:hover { background: var(--color-primary); color: #fff; }

/* ── Ekip ────────────────────────────────────────────────── */
.team-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

@media (max-width: 700px) {
    .team-grid { grid-template-columns: 1fr; }
}

.team-card {
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
}

.team-card--lead {
    display: flex;
    gap: 1.25rem;
    align-items: flex-start;
    padding: 1.5rem;
    background: var(--color-bg-secondary);
}

.team-card__avatar-wrap {
    position: relative;
    flex-shrink: 0;
}

.team-card__avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--color-primary);
}

.team-card__lead-badge {
    position: absolute;
    bottom: 2px;
    right: 2px;
    width: 20px;
    height: 20px;
    background: var(--color-primary);
    color: #fff;
    border-radius: 50%;
    font-size: .65rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--color-bg-secondary);
}

.team-card__name {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0 0 .25rem;
}

.team-card__role {
    display: block;
    font-size: .78rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: .6rem;
}

.team-card__bio {
    font-size: .85rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0 0 .75rem;
}

.team-card__links { display: flex; gap: .5rem; flex-wrap: wrap; }

.team-card__social-link {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    font-size: .8rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    text-decoration: none;
    padding: .25rem .6rem;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    transition: color .15s, border-color .15s;
}

.team-card__social-link:hover { color: var(--color-primary); border-color: var(--color-primary); }

/* Katkı daveti */
.team-card--contribute {
    background: linear-gradient(135deg, var(--color-primary-alpha) 0%, var(--color-bg-secondary) 100%);
}

.team-card__contribute-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 2rem 1.5rem;
    height: 100%;
}

.team-card__contribute-icon {
    width: 56px;
    height: 56px;
    background: var(--color-primary-alpha);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.team-card__contribute-inner h3 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0 0 .5rem;
}

.team-card__contribute-inner p {
    font-size: .87rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
    margin: 0 0 1rem;
}

/* Ekip meta bilgisi */
.team-meta {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    padding: 1rem 1.25rem;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-border);
    border-radius: 10px;
}

.team-meta__item {
    display: flex;
    flex-direction: column;
    gap: .15rem;
}

.team-meta__label {
    font-size: .68rem;
    font-weight: 700;
    letter-spacing: .07em;
    text-transform: uppercase;
    color: var(--color-muted);
}

.team-meta__value {
    font-size: .88rem;
    font-weight: 600;
    color: var(--color-text-primary);
}

.team-meta__divider {
    width: 1px;
    height: 36px;
    background: var(--color-border);
    flex-shrink: 0;
}

@media (max-width: 600px) {
    .team-meta { flex-direction: column; align-items: flex-start; }
    .team-meta__divider { display: none; }
}

/* ── Sürüm Geçmişi ───────────────────────────────────────── */
.about-changelog { background: var(--color-bg-secondary); }

.about-changelog__empty {
    text-align: center;
    padding: 2.5rem;
    color: var(--color-muted);
    background: var(--color-bg);
    border: 1px dashed var(--color-border);
    border-radius: 10px;
}

.changelog-list {
    display: flex;
    flex-direction: column;
    gap: 1px;
    background: var(--color-border);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
}

.changelog-item {
    display: grid;
    grid-template-columns: 100px 130px 1fr auto;
    align-items: center;
    gap: 1rem;
    padding: .9rem 1.2rem;
    background: var(--color-bg);
    transition: background .15s;
}

.changelog-item:hover { background: var(--color-bg-secondary); }

@media (max-width: 640px) {
    .changelog-item {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto;
    }
    .changelog-item__summary { grid-column: 1 / -1; }
}

.changelog-item__version-col {
    display: flex;
    align-items: center;
    gap: .4rem;
    flex-wrap: wrap;
}

.changelog-item__version {
    font-size: .9rem;
    font-weight: 800;
    color: var(--color-primary);
    font-family: monospace;
}

.changelog-item__latest {
    font-size: .65rem;
    font-weight: 700;
    background: var(--color-primary);
    color: #fff;
    border-radius: 999px;
    padding: .1rem .4rem;
}

.changelog-item__date {
    font-size: .82rem;
    color: var(--color-muted);
}

.changelog-item__summary {
    font-size: .88rem;
    color: var(--color-text-secondary);
    line-height: 1.45;
}

.changelog-item__link {
    display: inline-flex;
    align-items: center;
    gap: .3rem;
    font-size: .8rem;
    font-weight: 500;
    color: var(--color-primary);
    text-decoration: none;
    white-space: nowrap;
    transition: gap .2s;
}

.changelog-item__link:hover { gap: .5rem; }

/* ── Alt CTA ─────────────────────────────────────────────── */
.about-bottom-cta {
    padding: 4rem 0;
    background: linear-gradient(135deg, var(--color-primary-alpha) 0%, var(--color-bg-secondary) 100%);
    border-top: 1px solid var(--color-border);
}

.about-bottom-cta__inner {
    text-align: center;
    max-width: 560px;
    margin: 0 auto;
}

.about-bottom-cta__inner h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-text-primary);
    margin: 0 0 .75rem;
}

.about-bottom-cta__inner p {
    color: var(--color-text-secondary);
    margin: 0 0 1.75rem;
    font-size: .97rem;
}

.about-bottom-cta__btns {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: .75rem;
}

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 640px) {
    .about-section { padding: 2.5rem 0; }
    .about-hero { padding: 2rem 0 1.5rem; }
    .about-hero__title { font-size: 1.8rem; }
    .about-stats { max-width: 100%; }
}