@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;0,700;1,400&display=swap');

:root {
    --bg-color: #1A1310;
    --text-color: #E8E2D9; /* Yumuşatılmış krem rengi (e-kitap) */
    --accent-gold: #E5C583;
    --sub-heading: #D1C4B9;
    --threat-red: #E07070;
    --safety-green: #C1CBB8;
    --border-color: #4A3B31;
    --box-bg: #2D231C;
    --nav-bg: rgba(37, 28, 23, 0.93);
}

/* ── SAYFANIN SAĞA KAYMASINI ENGELLEYEN KİLİT KODU ── */
*, *::before, *::after { box-sizing: border-box; }
html, body { max-width: 100vw; overflow-x: hidden; scroll-behavior: smooth; }

/* ── ERİŞİLEBİLİRLİK (KLAVYE ODAĞI VE ANİMASYON) ── */
a:focus-visible, button:focus-visible, summary:focus-visible, [tabindex="0"]:focus-visible {
    outline: 2px solid var(--accent-gold);
    outline-offset: 4px;
    border-radius: 4px;
}

@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* ── YUMUŞAK SAYFA GEÇİŞİ VE ZENGİN ARKA PLAN ── */
body {
    background-color: var(--bg-color);
    background-image:
        radial-gradient(at 10% 20%, rgba(74, 59, 49, 0.6) 0px, transparent 50%),
        radial-gradient(at 90% 40%, rgba(45, 35, 28, 0.7) 0px, transparent 45%),
        radial-gradient(at 40% 85%, rgba(61, 46, 38, 0.5) 0px, transparent 50%),
        radial-gradient(at 0% 100%, rgba(29, 21, 17, 0.8) 0px, transparent 50%);
    color: var(--text-color);
    font-family: 'Lora', serif;
    line-height: 1.85; /* Daha ferah satır yüksekliği */
    margin: 0; padding: 0;
    animation: fadeIn 0.8s ease-in-out;
}
body::before {
    content: ""; position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
    pointer-events: none; z-index: 9999;
    background-image: url("bg-texture.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0.15; /* Kullanıcının resmine göre ayarlanmış doku şeffaflığı */
    mix-blend-mode: overlay;
}
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ── METİN SEÇİM RENGİ (SARI VURGU) ── */
::selection { background-color: rgba(229, 197, 131, 0.25); color: var(--accent-gold); }
::-moz-selection { background-color: rgba(229, 197, 131, 0.25); color: var(--accent-gold); }

/* ── ZARİF KAYDIRMA ÇUBUĞU (SCROLLBAR) ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-color); }
::-webkit-scrollbar-thumb { background: rgba(229, 197, 131, 0.3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(229, 197, 131, 0.5); }

/* ── NAVİGASYON ── */
.navbar { position: fixed; top: 0; width: 100%; background-color: transparent; border-bottom: 1px solid transparent; z-index: 1000; padding: 0 20px; display: flex; justify-content: center; transition: background-color 0.3s ease, border-bottom 0.3s ease, backdrop-filter 0.3s ease; }
.navbar.scrolled { background-color: rgba(37, 28, 23, 0.93); backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); border-bottom: 1px solid var(--border-color); }
.nav-container { max-width: 900px; width: 100%; display: flex; justify-content: center; gap: 24px; }
.nav-item { font-family: -apple-system, sans-serif; color: rgba(209, 196, 185, 0.65); text-decoration: none; font-size: 0.73rem; font-weight: 600; padding: 24px 10px; letter-spacing: 1.2px; text-transform: uppercase; transition: color 0.3s ease; min-height: 44px; display: flex; align-items: center; }
.nav-item:hover { color: var(--accent-gold); }
.nav-item.active { color: var(--accent-gold); border-bottom: 2px solid var(--accent-gold); margin-bottom: -1px; }

/* ── LAYOUT & BAŞLIKLAR ── */
.main-wrapper { display: flex; justify-content: center; padding: 100px 24px 80px 24px; }
.container { max-width: 640px; width: 100%; }
h1, h2, h3, h4, .concept-card, .accordion-block, section, [id] { scroll-margin-top: 100px; }

.header-title, h1 { font-family: 'Cinzel', serif; font-size: 2.5rem; color: var(--accent-gold); letter-spacing: 3px; margin-bottom: 12px; font-weight: 700; }
.tagline { font-family: 'Lora', serif; font-size: 0.95rem; color: var(--sub-heading); letter-spacing: 0.5px; font-style: italic; opacity: 0.7; margin-bottom: 0; }
.tagline-secondary { font-family: 'Lora', serif; font-size: 0.88rem; color: var(--sub-heading); letter-spacing: 0.5px; font-style: italic; opacity: 0.5; margin-top: 6px; }
.disclaimer { font-size: 0.8rem; color: var(--sub-heading); opacity: 0.65; font-style: italic; text-align: center; margin: 24px auto 0; max-width: 500px; line-height: 1.7; letter-spacing: 0.2px; }
.section-divider { border: 0; height: 1px; background: linear-gradient(to right, transparent, var(--border-color) 20%, var(--border-color) 80%, transparent); margin: 60px 0; }

h2 { font-family: 'Cinzel', serif; font-size: 1rem; font-weight: 600; color: var(--accent-gold); letter-spacing: 3px; text-transform: uppercase; margin-top: 64px; margin-bottom: 32px; display: flex; align-items: center; gap: 16px; }
h2::after { content: ''; flex: 1; height: 1px; background: linear-gradient(to right, var(--border-color), transparent); }
h3 { font-family: 'Cinzel', serif; font-size: 0.82rem; font-weight: 600; color: rgba(229, 197, 131, 0.90); letter-spacing: 2.5px; text-transform: uppercase; margin-top: 50px; margin-bottom: 20px; border-left: 2px solid rgba(229, 197, 131, 0.4); padding-left: 14px; text-shadow: 0 0 10px rgba(229, 197, 131, 0.15); }

/* ── İÇERİK & TOOLTIP ── */
.content { font-size: 1.12rem; text-align: left; } /* 1.08'den 1.12'ye artırıldı (daha rahat okuma) */
.content p { margin-bottom: 28px; opacity: 0.96; letter-spacing: 0.3px; }
.content ul { margin-bottom: 36px; padding-left: 20px; list-style-type: none; }
.content li { margin-bottom: 22px; position: relative; opacity: 0.96; }
.content li::before { content: "•"; color: rgba(140, 118, 95, 0.55); font-weight: bold; font-size: 1.2rem; display: inline-block; width: 1em; margin-left: -1em; position: absolute; top: -1px; }
.content strong { color: var(--accent-gold); font-weight: 600; }

.tooltip { border-bottom: 1px dashed var(--accent-gold); cursor: help; position: relative; transition: color 0.2s; font-style: italic; font-weight: 400; color: inherit; }
.tooltip:hover, .tooltip:active, .tooltip:focus-visible { color: var(--accent-gold); }
.tooltip::after { content: attr(data-tooltip); position: absolute; bottom: 130%; left: 50%; transform: translateX(-50%); background-color: var(--box-bg); border: 1px solid var(--accent-gold); color: var(--text-color); padding: 10px 14px; border-radius: 6px; font-size: 0.82rem; line-height: 1.5; white-space: normal; width: max-content; max-width: 250px; z-index: 1000; box-shadow: 0 5px 15px rgba(0,0,0,0.5); font-family: -apple-system, sans-serif; text-align: center; opacity: 0; visibility: hidden; transition: opacity 0.2s, visibility 0.2s, bottom 0.2s; pointer-events: none; }
.tooltip:hover::after, .tooltip:active::after, .tooltip:focus-visible::after { opacity: 1; visibility: visible; bottom: 100%; }

/* ── BLOCKQUOTE & VURGULAR ── */
blockquote { background: linear-gradient(90deg, rgba(229,197,131,0) 0%, rgba(229,197,131,0.08) 50%, rgba(229,197,131,0) 100%); border-top: 1px solid rgba(229, 197, 131, 0.2); border-bottom: 1px solid rgba(229, 197, 131, 0.2); margin: 56px auto; padding: 45px 55px; font-style: italic; font-family: 'Lora', serif; position: relative; z-index: 1; text-align: center; font-size: 1.15rem; transition: transform 0.3s ease; display: flex; flex-direction: column; align-items: center; }
blockquote::after { content: ""; position: absolute; top: 0; left: 0; width: 100%; height: 100%; background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noiseFilter'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.012' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noiseFilter)'/%3E%3C/svg%3E"); opacity: 0.085; mix-blend-mode: color-dodge; pointer-events: none; z-index: -1; }
blockquote:hover { transform: translateY(-2px); }
blockquote p { margin: 0; opacity: 0.95; letter-spacing: 0.5px; position: relative; display: inline-block; text-align: left; }
blockquote p:first-of-type::before { content: "“"; position: absolute; top: -10px; left: -26px; font-family: 'Lora', serif; font-size: 3.3rem; color: rgba(229, 197, 131, 0.18); line-height: 1; font-style: normal; pointer-events: none; z-index: 0; }
.content blockquote p { margin-bottom: 0; }
.footer-aforizma { margin: 20px auto 40px auto; }
.golden-aforizma { text-align: center; font-style: italic; color: var(--accent-gold); margin: 45px auto; font-size: 1.15rem; line-height: 1.8; letter-spacing: 0.5px; opacity: 0.95; max-width: 520px; }
.emphasis-line { font-family: 'Cinzel', serif; font-size: 0.95rem; color: var(--accent-gold); text-align: center; letter-spacing: 2px; margin: 20px 0; opacity: 0.9; font-weight: 600; }
.emphasis-text { font-style: italic; font-weight: 700; color: var(--text-color); opacity: 0.95; }

/* ── KARTLAR VE KAVRAM KARTLARI (CONCEPT CARDS) ── */
.concept-card {
    background-color: var(--box-bg);
    border-left: 4px solid var(--accent-gold);
    padding: 30px 24px;
    border-radius: 0 8px 8px 0;
    margin-bottom: 50px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1), inset 0 0 20px rgba(0,0,0,0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.concept-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15), inset 0 0 20px rgba(0,0,0,0.1);
}
.concept-card-title {
    font-family: 'Cinzel', serif;
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--accent-gold);
    margin-top: 0;
    margin-bottom: 20px;
    letter-spacing: 2px;
}
.concept-card p {
    margin-bottom: 20px;
}
.concept-card p:last-child {
    margin-bottom: 0;
}
.concept-label {
    color: var(--sub-heading);
    font-weight: 600;
    margin-right: 6px;
}

.highlight-threat { border-left: 4px solid var(--threat-red); background: linear-gradient(90deg, #3A2A22 0%, var(--box-bg) 100%); padding: 24px; border-radius: 0 6px 6px 0; margin-bottom: 30px; border: 1px solid var(--border-color); border-left-width: 4px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.highlight-threat h3 { color: var(--threat-red); margin-top: 0; border-left: none; padding-left: 0; letter-spacing: 2.5px; }
.highlight-safety { border-left: 4px solid var(--safety-green); background: linear-gradient(90deg, #2E342B 0%, var(--box-bg) 100%); padding: 24px; border-radius: 0 6px 6px 0; margin-bottom: 30px; border: 1px solid var(--border-color); border-left-width: 4px; box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.highlight-safety h3 { color: var(--safety-green); margin-top: 0; border-left: none; padding-left: 0; letter-spacing: 2.5px; }

/* ── FORMÜLLER (KAYDIRMA ALANI ÇÖZÜMÜ) ── */
.formula, .loop-box { margin: 40px 0; background-color: rgba(45, 35, 28, 0.3); padding: 24px 15px; border-radius: 8px; border: 1px solid rgba(229, 197, 131, 0.06); box-shadow: 0 10px 30px rgba(0,0,0,0.3); width: 100%; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: thin; text-align: center; transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease; }
.formula:hover, .loop-box:hover { transform: translateY(-3px); box-shadow: 0 15px 40px rgba(0,0,0,0.4); border-color: rgba(229, 197, 131, 0.15); }
.inline-formula-block { display: block; text-align: center; margin: 20px 0; }
mjx-container[display="true"] { display: inline-block !important; text-align: center; margin: 0 auto !important; padding: 0 5px; }

/* ── ZAMAN TABLOSU TASARIMI ── */
.time-align-container { max-width: 460px; margin: 0 auto 28px auto; padding: 15px; background-color: rgba(0,0,0,0.1); border-radius: 6px; border: 1px solid rgba(255,255,255,0.03); box-shadow: inset 0 2px 10px rgba(0,0,0,0.1); }
.time-align-row { display: grid; grid-template-columns: 1.4fr 1fr; gap: 12px; margin-bottom: 10px; align-items: center; }
.time-align-row:last-child { margin-bottom: 0; }

/* ── SABİT İLETİŞİM (MAİL) BUTONU ── */
.mail-button { position: fixed; bottom: 24px; right: 24px; width: 44px; height: 44px; background-color: #3A2A1E; border: 1px solid var(--border-color); border-radius: 50%; display: flex; align-items: center; justify-content: center; z-index: 999; transition: border-color 0.3s ease, transform 0.2s ease; text-decoration: none; box-shadow: 0 4px 15px rgba(0,0,0,0.3); }
.mail-button:hover { border-color: var(--accent-gold); transform: translateY(-2px); }
.mail-button svg { width: 18px; height: 18px; stroke: rgba(229, 197, 131, 0.5); fill: none; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; transition: stroke 0.3s ease; }
.mail-button:hover svg { stroke: var(--accent-gold); }

/* ── SONRAKİ SAYFA BUTONU ── */
.next-page-link { display: block; text-align: center; font-family: 'Cinzel', serif; font-size: 0.95rem; color: var(--accent-gold); text-decoration: none; margin: 40px auto 20px; padding: 18px 24px; border: 1px solid rgba(229, 197, 131, 0.35); border-radius: 6px; background: rgba(229, 197, 131, 0.12); transition: all 0.3s ease; max-width: 400px; letter-spacing: 1.5px; box-shadow: 0 4px 15px rgba(0,0,0,0.3), inset 0 0 10px rgba(229, 197, 131, 0.05); font-weight: 600; text-shadow: 0 0 8px rgba(229, 197, 131, 0.3); }
.next-page-link:hover { background: rgba(229, 197, 131, 0.22); border-color: var(--accent-gold); transform: translateY(-3px); box-shadow: 0 8px 25px rgba(229, 197, 131, 0.25), inset 0 0 10px rgba(229, 197, 131, 0.1); }

/* ── FOOTER ALANI ── */
.footer-area { max-width: 640px; margin: 0 auto; padding: 0 24px 80px; text-align: center; display: block; clear: both; }
.math-motto { text-align: center; font-family: 'Cinzel', serif; font-size: 0.72rem; color: var(--accent-gold); margin: 60px 0 30px 0; letter-spacing: 5px; text-transform: uppercase; opacity: 0.95; }
.footer { margin-top: 40px; font-size: 0.83rem; color: #8C7A6B; text-align: center; border-top: 1px solid var(--border-color); padding-top: 30px; letter-spacing: 0.5px; }
.footer-disclaimer { font-size: 0.82rem; margin-bottom: 12px; font-style: italic; opacity: 0.65; text-align: center; color: var(--sub-heading); }

/* ── SAYFA İLERLEME GÖSTERGELERİ (Progress Indicator) ── */
.page-progress { display: flex; align-items: center; justify-content: center; gap: 10px; margin: 0 auto 32px auto; max-width: 400px; }
.page-progress-dot { width: 6px; height: 6px; border-radius: 50%; background: rgba(229, 197, 131, 0.2); border: 1px solid rgba(229, 197, 131, 0.3); transition: all 0.3s ease; }
.page-progress-dot.active { background: var(--accent-gold); border-color: var(--accent-gold); box-shadow: 0 0 8px rgba(229, 197, 131, 0.5); width: 22px; border-radius: 3px; }
.page-progress-label { font-family: 'Cinzel', serif; font-size: 0.6rem; letter-spacing: 3px; color: rgba(229, 197, 131, 0.45); text-transform: uppercase; text-align: center; margin-bottom: 16px; }

/* Footer Inline Replacements */
.footer-inline-motto { font-family: 'Cinzel', serif; font-size: 1rem; color: var(--accent-gold); letter-spacing: 4px; text-transform: uppercase; text-align: center; margin: 40px auto 20px auto; font-weight: 600; display: block; opacity: 0.95; line-height: 1.4; float: none; }
.footer-inline-disclaimer { font-family: 'Lora', serif; font-size: 0.85rem; margin: 0 auto 12px auto; font-style: italic; opacity: 0.7; text-align: center; color: var(--sub-heading); display: block; line-height: 1.7; max-width: 520px; float: none; }
.footer-inline-copyright { font-family: -apple-system, BlinkMacSystemFont, sans-serif; margin: 40px auto 0 auto; font-size: 0.83rem; color: #8C7A6B; text-align: center; border-top: 1px solid var(--border-color); padding-top: 24px; letter-spacing: 0.5px; display: block; opacity: 1; max-width: 100%; float: none; }
.social-icon-wrapper { text-align: center; display: block; }

/* ── SOSYAL MEDYA İKONLARI ── */
.social-icon { display: inline-flex; align-items: center; justify-content: center; margin: 20px auto 10px auto; text-decoration: none; transition: transform 0.2s ease; }
.social-icon:hover { transform: translateY(-2px); }
.social-icon svg { stroke: rgba(209, 196, 185, 0.65); fill: none; transition: stroke 0.3s ease; }
.social-icon:hover svg { stroke: var(--accent-gold); }

/* ── SÖZLÜK (COMING SOON PREVIEW) ── */
.coming-soon-preview { filter: blur(5px); opacity: 0.15; user-select: none; pointer-events: none; margin-top: 60px; }
.coming-soon-wrapper { position: relative; margin-top: 60px; }
.coming-soon-overlay { position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); display: flex; flex-direction: column; align-items: center; gap: 12px; z-index: 10; pointer-events: none; }
.coming-soon-lock { font-size: 2rem; opacity: 0.7; }
.coming-soon-badge { text-align: center; font-family: 'Cinzel', serif; font-size: 0.65rem; letter-spacing: 4px; color: var(--accent-gold); opacity: 0.8; text-transform: uppercase; background: rgba(26, 19, 16, 0.85); padding: 8px 20px; border-radius: 4px; border: 1px solid rgba(229, 197, 131, 0.25); backdrop-filter: blur(4px); }

/* ── AÇILIR-KAPANIR BÖLÜM (ACCORDION) ── */
.accordion-block {
    border: 1px solid rgba(229, 197, 131, 0.15);
    border-radius: 8px;
    background: rgba(45, 35, 28, 0.4);
    margin: 32px 0 48px 0;
    overflow: hidden;
}
.accordion-block summary {
    list-style: none;
    cursor: pointer;
    padding: 18px 24px;
    font-family: 'Cinzel', serif;
    font-size: 0.75rem;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    color: rgba(229, 197, 131, 0.65);
    display: flex;
    align-items: center;
    justify-content: space-between;
    user-select: none;
    transition: color 0.3s ease, background 0.3s ease;
}
.accordion-block summary::-webkit-details-marker { display: none; }
.accordion-block summary::after {
    content: '+';
    font-size: 1.2rem;
    font-family: -apple-system, sans-serif;
    font-weight: 300;
    color: rgba(229, 197, 131, 0.4);
    transition: transform 0.3s ease, color 0.3s ease;
}
.accordion-block[open] summary::after {
    transform: rotate(45deg);
    color: rgba(229, 197, 131, 0.7);
}
.accordion-block summary:hover {
    color: rgba(229, 197, 131, 0.9);
    background: rgba(229, 197, 131, 0.04);
}
.accordion-block[open] summary {
    border-bottom: 1px solid rgba(229, 197, 131, 0.1);
    color: rgba(229, 197, 131, 0.85);
}
.accordion-content {
    padding: 28px 28px 24px 28px;
    font-size: 1rem;
    line-height: 1.78;
    opacity: 0.9;
}
.accordion-content p {
    margin-bottom: 22px;
}
.accordion-content p:last-child {
    margin-bottom: 0;
}
.accordion-atif {
    display: block;
    font-style: italic;
    font-size: 0.85rem;
    opacity: 0.5;
    margin-top: 24px;
    padding-top: 18px;
    border-top: 1px solid rgba(229, 197, 131, 0.1);
    letter-spacing: 0.3px;
}

/* ── YÜKLEME (SCROLL) ANİMASYONLARI ── */
.scroll-animate { opacity: 0; transform: translateY(20px); transition: opacity 0.8s cubic-bezier(0.2, 0.8, 0.2, 1), transform 0.8s cubic-bezier(0.2, 0.8, 0.2, 1); will-change: opacity, transform; }
.scroll-animate.is-visible { opacity: 1; transform: translateY(0); }

/* ── OKUMA İLERLEME ÇUBUĞU ── */
.reading-progress-container { position: fixed; top: 0; left: 0; width: 100%; height: 3px; background: transparent; z-index: 1001; }
.reading-progress-bar { height: 100%; width: 0%; background: var(--accent-gold); opacity: 0.7; box-shadow: 0 0 10px rgba(229, 197, 131, 0.6); transition: width 0.1s ease-out; border-top-right-radius: 2px; border-bottom-right-radius: 2px; }

/* ========================================================
   TABLET EKRANLAR (768px ve altı)
   ======================================================== */
@media (max-width: 768px) {
    .container { padding: 0 16px; }
    .header-title, h1 { font-size: 2rem; }
    h2 { font-size: 0.8rem; }
    h3 { font-size: 0.78rem; }
    .content { font-size: 1.05rem; }
}

/* ── ANA SAYFA BUTON KARTLARI ── */
.landing-btn-container {
    margin-top: 50px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    max-width: 540px;
    margin-left: auto;
    margin-right: auto;
}

.landing-btn {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: linear-gradient(135deg, rgba(45, 35, 28, 0.6) 0%, rgba(37, 28, 23, 0.8) 100%);
    border: 1px solid rgba(229, 197, 131, 0.15);
    border-radius: 12px;
    padding: 24px 30px;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    position: relative;
    overflow: hidden;
}

.landing-btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 50%; height: 100%;
    background: linear-gradient(to right, transparent, rgba(229, 197, 131, 0.05), transparent);
    transform: skewX(-20deg);
    transition: all 0.5s ease;
}

.landing-btn:hover {
    transform: translateY(-3px);
    border-color: rgba(229, 197, 131, 0.4);
    box-shadow: 0 8px 25px rgba(229, 197, 131, 0.15);
    background: linear-gradient(135deg, rgba(61, 46, 38, 0.8) 0%, rgba(45, 35, 28, 0.9) 100%);
}

.landing-btn:hover::before {
    left: 200%;
}

.btn-content {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.btn-title {
    color: var(--accent-gold);
    font-family: 'Cinzel', serif;
    font-size: 1.1rem;
    font-weight: 600;
    letter-spacing: 1.5px;
}

.btn-num {
    font-family: 'Cinzel', serif;
    font-size: 0.6rem;
    color: rgba(229, 197, 131, 0.4);
    letter-spacing: 3px;
    font-weight: 600;
    order: -1;
}

.btn-desc {
    color: var(--text-color);
    font-size: 0.9rem;
    opacity: 0.75;
    font-style: italic;
    font-family: 'Lora', serif;
}

.btn-icon {
    font-family: -apple-system, sans-serif;
    color: var(--accent-gold);
    font-size: 1.5rem;
    opacity: 0.7;
    transition: transform 0.3s ease, opacity 0.3s ease;
}

.landing-btn:hover .btn-icon {
    transform: translateX(5px);
    opacity: 1;
}

@media (max-width: 768px) {
    .landing-btn {
        padding: 20px;
    }
    .btn-title { font-size: 1rem; }
    .btn-desc { font-size: 0.85rem; }
    .btn-icon { font-size: 1.3rem; }
}

/* ========================================================
   MOBİL EKRANLAR (480px ve altı)
   ======================================================== */
@media (max-width: 480px) {
    .main-wrapper { padding: 100px 18px 52px 18px; }
    h1, .header-title { font-size: 1.65rem; letter-spacing: 2px; line-height: 1.35; }
    h2 { font-size: 0.74rem; letter-spacing: 2.2px; margin-top: 50px; margin-bottom: 22px; }
    h3 { font-size: 0.66rem; letter-spacing: 1.8px; margin-top: 36px; margin-bottom: 16px; }
    
    .content { font-size: 0.98rem; line-height: 1.75; }
    .content p { margin-bottom: 22px; letter-spacing: 0.15px; }
    .content ul { margin-bottom: 26px; padding-left: 18px; }
    .content li { margin-bottom: 18px; line-height: 1.75; }
    
    blockquote { padding: 30px 20px; margin: 55px 0; font-size: 0.95rem; }
    .golden-aforizma { font-size: 1.05rem; }
    
    .next-page-link { font-size: 0.82rem; padding: 15px 18px; margin-top: 48px; }
    
    .mail-button { bottom: 16px; right: 16px; width: 40px; height: 40px; }
    .mail-button svg { width: 16px; height: 16px; }
    
    .formula, .loop-box { margin: 24px 0; padding: 15px 8px; } /* Padding iyice kısıldı formül sığsın diye */
    .inline-formula-block { margin: 14px 0; }
    
    /* MathJax Mobil Ölçeklendirme (Sığması için agresif ufalma) */
    .formula .MathJax, .loop-box .MathJax { font-size: 70% !important; }
    
    .time-align-row { grid-template-columns: 1fr; text-align: center; gap: 4px; margin-bottom: 20px; }
    
    .concept-card { padding: 20px 14px; margin-bottom: 35px; border-left-width: 3px; }
    .concept-card-title { font-size: 1.05rem; letter-spacing: 1.5px; }
}

/* ========================================================
   YENİ BİLEŞENLER (Grid, Kartlar, Hamburger)
   ======================================================== */

/* Hamburger Menü (Desktop Gizli) */
.hamburger-btn { display: none; background: none; border: none; cursor: pointer; padding: 15px 0; }
.hamburger-icon { width: 24px; height: 18px; position: relative; display: flex; flex-direction: column; justify-content: space-between; }
.hamburger-icon span { display: block; width: 100%; height: 2px; background: rgba(209, 196, 185, 0.8); transition: 0.3s ease; border-radius: 2px; }

/* Mobil Menü Ekranı */
.mobile-menu-overlay { position: fixed; top: 0; left: 0; width: 100vw; height: 100vh; background: var(--bg-color); z-index: 999; display: flex; flex-direction: column; justify-content: center; align-items: center; opacity: 0; pointer-events: none; transition: opacity 0.4s ease; backdrop-filter: blur(10px); }
.mobile-menu-overlay.is-active { opacity: 1; pointer-events: all; }
.mobile-nav-list { display: flex; flex-direction: column; align-items: center; gap: 32px; }
.mobile-nav-list a { color: var(--text-color); text-decoration: none; font-family: 'Cinzel', serif; font-size: 1.3rem; letter-spacing: 3px; text-transform: uppercase; transition: color 0.3s ease; }
.mobile-nav-list a.active, .mobile-nav-list a:hover { color: var(--accent-gold); }

@media (max-width: 900px) {
    .nav-container { justify-content: space-between; align-items: center; max-width: 100%; padding: 0 10px;}
    .nav-item.desktop-only { display: none; }
    .hamburger-btn { display: block; }
}

/* Grid & Kart Yapıları */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin: 40px 0; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin: 40px 0; }

.archive-card { background: rgba(45, 35, 28, 0.4); border: 1px solid rgba(229, 197, 131, 0.15); border-radius: 8px; padding: 28px; transition: transform 0.3s ease, border-color 0.3s ease, background 0.3s ease; display: flex; flex-direction: column; text-decoration: none; color: inherit; }
.archive-card:hover { transform: translateY(-3px); border-color: rgba(229, 197, 131, 0.35); background: rgba(45, 35, 28, 0.6); }

.card-title { font-family: 'Cinzel', serif; color: var(--accent-gold); font-size: 1.1rem; letter-spacing: 1.5px; margin-bottom: 12px; font-weight: 600; }
.card-desc { font-size: 0.9rem; opacity: 0.75; line-height: 1.6; margin-bottom: auto; }
.card-meta { display: flex; justify-content: space-between; align-items: center; margin-top: 24px; font-family: -apple-system, sans-serif; font-size: 0.75rem; letter-spacing: 1px; text-transform: uppercase; opacity: 0.5; }
.card-tag { border: 1px solid rgba(229, 197, 131, 0.3); color: var(--accent-gold); padding: 4px 10px; border-radius: 20px; font-size: 0.7rem; }
.read-more-btn { margin-top: 20px; display: inline-block; font-family: 'Cinzel', serif; font-size: 0.75rem; color: var(--accent-gold); text-decoration: none; letter-spacing: 1.5px; border-bottom: 1px solid rgba(229, 197, 131, 0.3); padding-bottom: 4px; transition: all 0.3s ease; align-self: flex-start; }
.read-more-btn:hover { color: #fff; border-bottom-color: var(--accent-gold); }

@media (max-width: 600px) {
    .grid-2, .grid-3 { grid-template-columns: 1fr; gap: 20px; margin: 30px 0; }
}

body.menu-open { overflow: hidden; }