/* Bölüm yerleşimleri: hero, sorun, müfredat, yol haritası, dahil olanlar, kanıt, kimler, fiyat, SSS, kapanış */
.section { padding-block: var(--space-section); border-top: 1px solid var(--c-line); }
.paper, .ink { background: var(--c-paper); }
.dark { background: var(--c-bg); }
.section-head { margin-bottom: clamp(2.5rem, 2rem + 2vw, 3.5rem); }
.section-head .lead { margin-top: 1rem; }
.section-head.center { text-align: center; }

/* HERO */
.hero { background: radial-gradient(60% 55% at 50% 0%, var(--c-tint), transparent 75%); padding: clamp(4.5rem, 3rem + 5vw, 8rem) 0 clamp(4rem, 3rem + 4vw, 6rem); }
.hero-grid { display: none; }
.hero-inner { text-align: center; }
.hero-title { font-size: var(--t-xxl); line-height: 1.02; letter-spacing: -0.045em; }
.hero-lead { margin: 1.5rem auto 0; max-width: 38rem; font-size: var(--t-lead); }
.hero-cta { display: flex; flex-wrap: wrap; gap: 0.6rem; justify-content: center; margin-top: 2rem; }
.hero-meta { margin-top: 1rem; color: var(--c-muted); font-size: 0.82rem; }

/* Grafik penceresi: açık sayfada tek koyu öğe (ilk sürümdeki terminal görünümü) */
.hero-panel { margin: clamp(3rem, 2rem + 3vw, 4.5rem) 0 0; border: 1px solid rgba(255, 255, 255, 0.09); border-radius: 1.5rem; background: linear-gradient(180deg, #151515, #0d0d0d); box-shadow: 0 40px 120px -40px rgba(1, 101, 250, 0.55); overflow: hidden; }
.panel-bar { display: flex; align-items: center; gap: 1rem; padding: 0.8rem 1.1rem; border-bottom: 1px solid rgba(255, 255, 255, 0.09); color: #d4d4d4; font-size: 0.8rem; }
.dots { display: inline-flex; gap: 6px; }
.dots i { width: 10px; height: 10px; border-radius: 50%; background: #2a2a2a; }
.hero-panel .dots i:first-child { background: var(--c-down); opacity: 0.8; }
.panel-tags { display: flex; gap: 0.4rem; margin-left: auto; flex-wrap: wrap; }
.tag { padding: 0.18rem 0.55rem; border-radius: var(--r-pill); background: rgba(255, 255, 255, 0.06); font-family: var(--f-mono); font-size: 0.72rem; color: #d4d4d4; }
.tag-blue { background: rgba(1, 101, 250, 0.2); color: #8db8ff; }
.tag-up { background: rgba(18, 163, 127, 0.18); color: #5fd6b4; }
.panel-body { display: grid; grid-template-columns: 1fr 15.5rem; }
.panel-code { padding: 1.2rem 1.1rem; border-left: 1px solid rgba(255, 255, 255, 0.09); font-size: 0.74rem; line-height: 1.9; color: #d4d4d4; }
.panel-code b { color: #8db8ff; font-weight: 600; }
.panel-code .num { color: var(--c-cyan); }
.panel-code .dim { color: #6b6b6b; }
.panel-code .ok { color: #5fd6b4; margin-top: 0.6rem; }
.panel-cap { padding: 0.6rem 1.1rem; border-top: 1px solid rgba(255, 255, 255, 0.09); color: #6b6b6b; font-size: 0.72rem; }
@media (max-width: 760px) {
  .panel-body { grid-template-columns: 1fr; }
  .panel-code { display: none; }
  .panel-tags .tag:not(.tag-blue) { display: none; }
}

/* SORUN */
.stagger { margin-block: clamp(3rem, 2rem + 3vw, 4.5rem); display: grid; gap: 0.4rem; }
.stagger-row { display: flex; flex-wrap: wrap; gap: 0 0.3em; color: var(--c-ink); font-size: clamp(1.6rem, 0.9rem + 3vw, 3.6rem); font-weight: 700; letter-spacing: -0.04em; line-height: 1.1; }
.stagger-row.r2 { padding-left: 6%; }
.stagger-row.r3 { padding-left: 12%; }
.stagger-row.r4 { padding-left: 18%; }
.stagger-row .muted { color: #b5b5b2; }
@media (max-width: 640px) { .stagger-row.r2, .stagger-row.r3, .stagger-row.r4 { padding-left: 0; } }
.note { max-width: 36rem; margin-inline: auto; font-size: var(--t-lead); }

/* KAZANIMLAR: numaralı, iki sütunlu liste */
.outcomes { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 2.5rem; border-top: 1px solid var(--c-line); }
.outcomes li { display: grid; grid-template-columns: 2.5rem 1fr; gap: 0.75rem; align-items: baseline; padding: 1.2rem 0; border-bottom: 1px solid var(--c-line); }
.outcomes span { color: var(--c-blue); font-size: 0.85rem; }
.outcomes p { color: var(--c-ink); font-size: 1.05rem; font-weight: 500; line-height: 1.5; }
@media (max-width: 760px) { .outcomes { grid-template-columns: 1fr; } }

/* KARŞILAŞTIRMA */
.compare { border-top: 1px solid var(--c-line); }
.cmp-row { display: grid; grid-template-columns: 1fr 1.2fr 1.4fr; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--c-line); font-size: 0.95rem; }
.cmp-row b { color: var(--c-ink); font-weight: 600; }
.cmp-row span:nth-child(2) { color: var(--c-muted); }
.cmp-row span:nth-child(3) { color: var(--c-ink); }
.cmp-row span:nth-child(3)::before { content: '✓ '; color: var(--c-blue); font-weight: 700; }
.cmp-head { padding-block: 0.7rem; font: 500 0.72rem var(--f-mono); letter-spacing: 0.08em; text-transform: uppercase; }
.cmp-head span:nth-child(3) { color: var(--c-blue); }
.cmp-head span:nth-child(3)::before { content: none; }
@media (max-width: 640px) {
  .cmp-row { grid-template-columns: 1fr 1fr; gap: 0.3rem 1rem; }
  .cmp-row b { grid-column: 1 / -1; }
  .cmp-head span:first-child { display: none; }
}

/* MÜFREDAT: ince çizgili liste */
.modules { border-top: 1px solid var(--c-line); }
.module details { border-bottom: 1px solid var(--c-line); }
.module summary { display: grid; grid-template-columns: 3.5rem 1fr auto auto; align-items: center; gap: 1.25rem; padding: 1.4rem 0; cursor: pointer; list-style: none; }
.module summary::-webkit-details-marker { display: none; }
.m-num { color: var(--c-muted); font-size: 0.95rem; }
details[open] .m-num { color: var(--c-blue); }
.m-text { display: grid; gap: 0.15rem; }
.m-title { color: var(--c-ink); font-weight: 700; font-size: clamp(1.05rem, 0.95rem + 0.5vw, 1.3rem); letter-spacing: -0.02em; }
.m-sub { color: var(--c-body); font-size: 0.93rem; }
.m-hours { color: var(--c-muted); font-size: 0.75rem; white-space: nowrap; }
.m-toggle { position: relative; width: 1.6rem; height: 1.6rem; transition: transform var(--d-normal) var(--ease-out-expo); }
.m-toggle::before, .m-toggle::after { content: ''; position: absolute; inset: 50% auto auto 50%; width: 12px; height: 1.5px; background: var(--c-ink); transform: translate(-50%, -50%); }
.m-toggle::after { transform: translate(-50%, -50%) rotate(90deg); }
details[open] .m-toggle { transform: rotate(45deg); }
.m-body { padding: 0 0 1.6rem 4.75rem; }
.lessons { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.45rem 1.5rem; }
.lessons li { position: relative; padding-left: 1rem; font-size: 0.94rem; }
.lessons li::before { content: '–'; position: absolute; left: 0; color: var(--c-muted); }
.deliverable { margin-top: 1.1rem; font-size: 0.92rem; }
.deliverable b { color: var(--c-ink); }
.module-capstone .pill { margin-left: 0.4rem; }
@media (max-width: 720px) {
  .module summary { grid-template-columns: 2.5rem 1fr auto; gap: 0.8rem; }
  .m-hours { display: none; }
  .m-body { padding-left: 3.3rem; }
  .lessons { grid-template-columns: 1fr; }
}

/* Yol haritası */
.roadmap { margin-top: clamp(3rem, 2rem + 3vw, 4.5rem); }
.road { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); margin-top: 1.4rem; border-top: 1px solid var(--c-line-2); }
.road li { display: grid; gap: 0.1rem; padding: 1rem 0.75rem 0 0; }
.road span { font-size: 0.72rem; color: var(--c-muted); }
.road b { color: var(--c-ink); font-size: 1rem; }
.road small { color: var(--c-body); font-size: 0.82rem; }
.road .road-end b { color: var(--c-blue); }
@media (max-width: 760px) { .road { grid-template-columns: 1fr 1fr; row-gap: 1rem; } }

/* Değer listesi */
.stack { border-top: 1px solid var(--c-line); }
.stack li { display: flex; justify-content: space-between; align-items: baseline; gap: 1rem; padding: 1rem 0; border-bottom: 1px solid var(--c-line); }
.stack li > span:first-child { display: grid; gap: 0.1rem; }
.stack b { color: var(--c-ink); font-weight: 600; }
.stack small { color: var(--c-body); font-size: 0.88rem; }
.stack .mono { color: var(--c-muted); text-decoration: line-through; font-size: 0.85rem; white-space: nowrap; }
.stack-total { display: grid; justify-items: center; gap: 0.6rem; margin-top: 2.2rem; text-align: center; }
.stack-total s { color: var(--c-muted); }
.stack-price, .price-now { color: var(--c-ink); font-size: clamp(2.8rem, 2rem + 3vw, 4rem); font-weight: 700; letter-spacing: -0.05em; line-height: 1; }
.stack-price small, .price-now small { margin-left: 0.4em; font-size: 0.32em; color: var(--c-muted); font-weight: 500; letter-spacing: 0; }

/* Kanıt */
.stats { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin: 0; border-top: 1px solid var(--c-line); border-bottom: 1px solid var(--c-line); }
.stats > div { display: flex; flex-direction: column-reverse; padding: 1.6rem 1.2rem; }
.stats > div + div { border-left: 1px solid var(--c-line); }
.stats dd { margin: 0; color: var(--c-ink); font-size: clamp(2.4rem, 1.8rem + 2.4vw, 3.6rem); font-weight: 700; letter-spacing: -0.04em; line-height: 1; }
.stats dd.blue { color: var(--c-blue); }
/* nuukquant.com'daki gibi: rakamlardan biri düz mavi kart */
.stats > div:last-child { background: var(--c-blue); border-left-color: var(--c-blue); }
.stats > div:last-child dd, .stats > div:last-child dt { color: #fff; }
.stats dt { margin-top: 0.5rem; color: var(--c-body); font-size: 0.88rem; }
@media (max-width: 760px) {
  .stats { grid-template-columns: 1fr 1fr; }
  .stats > div:nth-child(3) { border-left: 0; }
  .stats > div:nth-child(n + 3) { border-top: 1px solid var(--c-line); }
}
.stats-note { margin-top: 0.8rem; color: var(--c-muted); font-size: 0.78rem; text-align: center; }
.founder { display: grid; grid-template-columns: auto 1fr; gap: 1.2rem; align-items: start; max-width: 40rem; margin: 2.5rem auto 0; }
.founder img { width: 44px; height: 44px; padding: 0.6rem; border-radius: var(--r-sm); background: var(--c-ink); }
.founder-name { color: var(--c-ink); font-weight: 700; }
.founder-role { color: var(--c-muted); font-size: 0.85rem; margin-bottom: 0.5rem; }

/* Kimler için */
.personas { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 2.5rem; }
.personas span { display: inline-grid; place-items: center; width: 2.2rem; height: 2.2rem; margin-bottom: 0.9rem; border-radius: 50%; background: var(--c-tint); color: var(--c-blue); font-size: 0.8rem; }
.personas b { display: block; color: var(--c-ink); font-size: 1.1rem; margin-bottom: 0.4rem; }
@media (max-width: 860px) { .personas { grid-template-columns: 1fr; gap: 1.8rem; } }

/* Fiyat */
.price-card { display: grid; justify-items: center; gap: 0.6rem; max-width: 28rem; margin-inline: auto; padding: 2.2rem clamp(1.2rem, 1rem + 1.4vw, 2.2rem); border: 1px solid var(--c-line); border-radius: var(--r-md); }
.price-was { color: var(--c-muted); }
.price-list { width: 100%; margin: 1rem 0 1.2rem; text-align: left; border-top: 1px solid var(--c-line); }
.price-list li { display: flex; justify-content: space-between; gap: 1rem; padding: 0.55rem 0; border-bottom: 1px solid var(--c-line); font-size: 0.9rem; }
.price-list b { font-weight: 500; color: var(--c-ink); }
.price-list .mono { color: var(--c-muted); text-decoration: line-through; font-size: 0.82rem; white-space: nowrap; }
.price-foot { color: var(--c-muted); font-size: 0.8rem; }

/* SSS */
.faq { border-top: 1px solid var(--c-line); }
.faq details { border-bottom: 1px solid var(--c-line); }
.faq summary { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.15rem 0; color: var(--c-ink); font-weight: 600; cursor: pointer; list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: '+'; flex: none; color: var(--c-muted); font-size: 1.2rem; transition: transform var(--d-normal) var(--ease-out-expo); }
.faq details[open] summary::after { transform: rotate(45deg); }
.faq details p { padding: 0 0 1.2rem; max-width: 42rem; }

/* Kapanış */
/* Kapanış: nuukquant.com hero'su gibi siyah zemin, alttan mavi ışık */
.final { padding-block: clamp(5rem, 4rem + 5vw, 9rem); background: radial-gradient(55% 70% at 50% 100%, rgba(1, 101, 250, 0.45), transparent 70%), #0a0a0a; text-align: center; }
.final h2 { margin-bottom: 2rem; color: #fff; }
.final .accent { color: var(--c-cyan); }
.final .hero-meta { color: #a3a3a3; }

.footer { padding-block: 2.5rem; border-top: 1px solid var(--c-line); background: var(--c-paper); color: var(--c-muted); font-size: 0.82rem; }
.footer-inner { display: grid; gap: 1rem; }
.risk { max-width: 50rem; line-height: 1.7; }
.risk b { color: var(--c-body); }
.footer-links { display: flex; flex-wrap: wrap; gap: 0.4rem 1.4rem; }
.footer-links a { color: var(--c-body); text-decoration: none; }
.footer-links a:hover { color: var(--c-blue); text-decoration: underline; }


/* KİTAP: iki baskının kapağı üst üste + satın alma alanı */
.book-layout { display: grid; grid-template-columns: minmax(0, 20rem) minmax(0, 1fr); gap: clamp(2.5rem, 1rem + 5vw, 5.5rem); align-items: start; }
.book-covers { position: relative; padding: 0 2.6rem 2.2rem 0; }
.book-covers img { display: block; width: 100%; height: auto; border-radius: 0.25rem 0.6rem 0.6rem 0.25rem; }
.cover-front { position: relative; box-shadow: inset 4px 0 0 rgba(255, 255, 255, 0.08), 0 30px 60px -25px rgba(1, 101, 250, 0.55), 0 12px 24px -12px rgba(0, 0, 0, 0.45); transform: rotate(-2deg); transition: transform var(--d-normal) var(--ease-out-expo); }
.cover-back { position: absolute; top: 2.2rem; left: 2.6rem; width: calc(100% - 2.6rem) !important; opacity: 0.9; transform: rotate(4deg); box-shadow: 0 16px 30px -18px rgba(0, 0, 0, 0.5); }
.book-covers:hover .cover-front { transform: rotate(0deg) translateY(-4px); }
.book-copy .lead { margin-top: 1rem; }
.book-copy .lead b { color: var(--c-ink); font-weight: 600; }
.book-facts { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: 1.2rem; }
.book-facts li { padding: 0.25rem 0.65rem; border: 1px solid var(--c-line-2); border-radius: var(--r-pill); color: var(--c-body); font-size: 0.74rem; }
.book-price { margin: 1.5rem 0 1.1rem; color: var(--c-ink); font-size: clamp(2.4rem, 1.8rem + 2vw, 3.2rem); font-weight: 700; letter-spacing: -0.04em; line-height: 1; }
.book-price small { margin-left: 0.4em; font-size: 0.32em; color: var(--c-muted); font-weight: 500; letter-spacing: 0; }
.book-cta { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.book-copy .price-foot { margin-top: 0.9rem; }
.book-copy .price-foot a { color: var(--c-blue); }
.book-toc { margin-top: 1.6rem; border-top: 1px solid var(--c-line); }
.book-toc summary { padding: 1rem 0; color: var(--c-ink); font-weight: 600; cursor: pointer; list-style: none; display: flex; justify-content: space-between; }
.book-toc summary::-webkit-details-marker { display: none; }
.book-toc summary::after { content: '+'; color: var(--c-muted); transition: transform var(--d-normal) var(--ease-out-expo); }
.book-toc[open] summary::after { transform: rotate(45deg); }
.book-toc ol { margin-bottom: 0.5rem; }
.book-toc li { display: grid; grid-template-columns: 2.2rem 1fr; padding: 0.45rem 0; border-bottom: 1px solid var(--c-line); color: var(--c-ink); font-size: 0.93rem; }
.book-toc li span { color: var(--c-muted); font-size: 0.75rem; padding-top: 0.15rem; }
.book-toc li em { display: block; grid-column: 2; color: var(--c-muted); font-size: 0.84rem; font-style: normal; }
@media (max-width: 760px) {
  .book-layout { grid-template-columns: 1fr; }
  .book-covers { width: min(17rem, 78vw); margin-inline: auto; }
}

/* Kitap örneği formu */
.sample-dialog { width: min(100% - 2rem, 28rem); max-height: calc(100dvh - 2rem); padding: 0; border: 1px solid var(--c-line); border-radius: var(--r-md); color: var(--c-body); box-shadow: 0 24px 60px -20px rgba(0, 0, 0, 0.3); overflow-y: auto; }
.sample-dialog::backdrop { background: rgba(17, 17, 17, 0.45); backdrop-filter: blur(3px); }
.sample-form, .sample-success { display: grid; gap: 0.45rem; padding: 1.8rem 1.5rem 1.5rem; }
.sample-form[hidden], .sample-success[hidden] { display: none; }
.sample-form .eyebrow, .sample-success .eyebrow { margin-bottom: 0.2rem; }
.sample-lead { margin-bottom: 0.6rem; font-size: 0.92rem; }
.sample-form label:not(.consent) { margin-top: 0.4rem; color: var(--c-ink); font-size: 0.85rem; font-weight: 600; }
.sample-form input[type='text'], .sample-form input[type='email'], .sample-form input[type='tel'] { width: 100%; padding: 0.75rem 0.9rem; border: 1px solid var(--c-line-2); border-radius: var(--r-sm); background: var(--c-bg); color: var(--c-ink); font: inherit; transition: border-color var(--d-fast), box-shadow var(--d-fast); }
.sample-form input:focus { outline: none; border-color: var(--c-blue); box-shadow: 0 0 0 3px var(--c-tint); }
.sample-form input[aria-invalid='true'] { border-color: var(--c-down); }
.field-hint { color: var(--c-muted); font-size: 0.78rem; }
.req { color: var(--c-down); font-weight: 700; }
.req-note { color: var(--c-muted); font-size: 0.8rem; }
.sample-lead b { color: var(--c-ink); }
.field-error, .form-error { color: var(--c-down); font-size: 0.82rem; }
.form-error { padding: 0.6rem 0.8rem; border-radius: var(--r-sm); background: #fdecec; }
.consent { display: grid; grid-template-columns: auto 1fr; gap: 0.6rem; align-items: start; margin-top: 0.6rem; font-size: 0.8rem; line-height: 1.5; cursor: pointer; }
.consent input { width: 1rem; height: 1rem; margin-top: 0.15rem; accent-color: var(--c-blue); }
.consent a, .sample-success a:not(.btn) { color: var(--c-blue); }
.sample-form .btn-primary { margin-top: 0.8rem; }
.sample-form button[disabled] { opacity: 0.6; cursor: progress; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }