/* ================================================
   Master Kilit Sistemi — Sayfa CSS
   Tasarım: Servis sayfası ile aynı dil + görsel show
   ================================================ */

/* ---------- GENEL SAYFA ---------- */
.master-page {
    background: #E8E8E8;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ---------- HERO ---------- */
.master-hero {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background: #E8E8E8;
    padding: 2rem 0;
}

/* Animasyonlu kırmızı nokta deseni — servis sayfası ile aynı */
.master-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(196, 30, 58, 0.28) 3px, transparent 3px),
        radial-gradient(circle at 80% 70%, rgba(196, 30, 58, 0.22) 2px, transparent 2px),
        radial-gradient(circle at 40% 60%, rgba(196, 30, 58, 0.08) 2.5px, transparent 2.5px);
    background-size: 60px 60px, 100px 100px, 80px 80px;
    background-position: 0 0, 50px 50px, 25px 25px;
    animation: masterDots 25s linear infinite;
    z-index: 1;
    pointer-events: none;
}

#hero-canvas {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.hero-bg-img {
    position: absolute;
    inset: 0;
    background-image: url('/uploads/site-gorselleri/master-kilit/kullanim-otel.png');
    background-size: cover;
    background-position: center top;
    opacity: 0.38;
    filter: blur(0px) grayscale(0%);
    z-index: 3;
}

.master-hero-content {
    position: relative;
    z-index: 10;
    padding: 1.75rem 2.5rem;
    max-width: 900px;
    margin: 0 auto;
    background: rgba(232, 232, 232, 0.45);
    backdrop-filter: blur(3px);
    -webkit-backdrop-filter: blur(3px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.6);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(196, 30, 58, 0.1);
    border: 1px solid rgba(196, 30, 58, 0.35);
    color: #c41e3a;
    padding: 6px 18px;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    margin-bottom: 1.25rem;
    text-transform: uppercase;
}

.master-hero h1 {
    font-size: clamp(1.6rem, 4vw, 3rem);
    font-weight: 900;
    color: #1a1a2e;
    line-height: 1.1;
    margin-bottom: 0.85rem;
    letter-spacing: -0.02em;
    white-space: nowrap;
}

.master-hero h1 .accent {
    color: #c41e3a;
}

.master-hero-subtitle {
    font-size: 1.05rem;
    color: #4a5568;
    max-width: 600px;
    margin: 0 auto 2rem;
    line-height: 1.7;
}

/* Hero Stats */
.hero-stats {
    display: flex;
    justify-content: center;
    gap: 2.5rem;
    flex-wrap: wrap;
    margin-bottom: 2rem;
}

.hero-stat {
    text-align: center;
}

.hero-stat-number {
    font-size: 2rem;
    font-weight: 900;
    color: #c41e3a;
    line-height: 1;
}

.hero-stat-label {
    font-size: 0.78rem;
    color: #718096;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-top: 0.3rem;
}

/* Scroll Down Arrow */
.scroll-down {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 0.4rem;
    color: rgba(196, 30, 58, 0.5);
    font-size: 0.75rem;
    text-decoration: none;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: bounceDown 2s ease-in-out infinite;
    cursor: pointer;
    background: none;
    border: none;
}

.scroll-down i {
    font-size: 1.2rem;
}

@keyframes bounceDown {
    0%, 100% { transform: translateY(0); opacity: 0.4; }
    50%       { transform: translateY(8px); opacity: 0.8; }
}

/* ---------- BÖLÜM GENEL ---------- */
.master-section {
    position: relative;
    padding: 3rem 0;
    overflow: hidden;
}

.master-section.bg-dots {
    background: #E8E8E8;
}

.master-section.bg-dots::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(196, 30, 58, 0.25) 3px, transparent 3px),
        radial-gradient(circle at 80% 70%, rgba(196, 30, 58, 0.22) 2px, transparent 2px),
        radial-gradient(circle at 40% 60%, rgba(196, 30, 58, 0.07) 2.5px, transparent 2.5px);
    background-size: 60px 60px, 100px 100px, 80px 80px;
    background-position: 0 0, 50px 50px, 25px 25px;
    animation: masterDots 25s linear infinite;
    z-index: 1;
    pointer-events: none;
}

@keyframes masterDots {
    0%   { background-position: 0 0, 50px 50px, 25px 25px; }
    100% { background-position: 60px 60px, 150px 150px, 105px 105px; }
}

.master-section.bg-dark {
    background: #1b2a4a;
}

.master-section.bg-white {
    background: #ffffff;
}

.master-section > .container {
    position: relative;
    z-index: 10;
}

/* Bölüm Başlığı */
.section-heading {
    margin-bottom: 3rem;
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #c41e3a;
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 0.75rem;
}

.section-eyebrow::before,
.section-eyebrow::after {
    content: '';
    display: block;
    width: 24px;
    height: 2px;
    background: #c41e3a;
}

.section-title {
    font-size: clamp(1.8rem, 4vw, 2.6rem);
    font-weight: 900;
    color: #1a1a2e;
    line-height: 1.2;
    margin-bottom: 1rem;
}

.section-title.light {
    color: #ffffff;
}

.section-desc {
    font-size: 1.05rem;
    color: #4a5568;
    line-height: 1.75;
    max-width: 680px;
}

.section-desc.light {
    color: rgba(255, 255, 255, 0.7);
}

/* ---------- BÖLÜM 2 — NEDİR ---------- */
.nedir-metin-kart {
    background: white;
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.09);
    border: 2px solid rgba(196, 30, 58, 0.12);
    height: 100%;
}

.nedir-metin-kart p {
    color: #4a5568;
    line-height: 1.85;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.nedir-metin-kart p:last-child {
    margin-bottom: 0;
}

.nedir-gorsel-kart {
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.25);
}

.nedir-gorsel-kart img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    min-height: 340px;
}

/* Terminoloji */
.term-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.term-chip {
    background: #f8f9fa;
    border: 1px solid #e2e8f0;
    border-radius: 10px;
    padding: 10px 14px;
    font-size: 0.85rem;
}

.term-chip strong {
    display: block;
    color: #c41e3a;
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 2px;
}

.term-chip span {
    color: #4a5568;
    line-height: 1.4;
}

/* ---------- BÖLÜM 3 — HİYERARŞİ ---------- */
.hierarchy-section {
    background: #E8E8E8;
}

/* Animasyonlu nokta deseni — diğer bölümlerle tutarlı */
.hierarchy-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(196, 30, 58, 0.25) 3px, transparent 3px),
        radial-gradient(circle at 80% 70%, rgba(196, 30, 58, 0.2) 2px, transparent 2px),
        radial-gradient(circle at 40% 60%, rgba(196, 30, 58, 0.07) 2.5px, transparent 2.5px);
    background-size: 60px 60px, 100px 100px, 80px 80px;
    background-position: 0 0, 50px 50px, 25px 25px;
    animation: masterDots 25s linear infinite;
    z-index: 1;
    pointer-events: none;
}

.hierarchy-tree {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    padding: 2rem 0 1rem;
    position: relative;
}

/* Dikey bağlantı çizgisi */
.hierarchy-connector {
    width: 2px;
    height: 32px;
    background: linear-gradient(to bottom, #c41e3a, rgba(196,30,58,0.3));
    margin: 0 auto;
}

/* Yatay bağlantı — alt düzey için */
.hierarchy-row {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    gap: 0;
    position: relative;
    width: 100%;
}

.hierarchy-row::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    height: 2px;
    background: rgba(196, 30, 58, 0.35);
    width: var(--line-width, 60%);
}

.hierarchy-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex: 1;
    max-width: 220px;
}

.hierarchy-col-connector {
    width: 2px;
    height: 28px;
    background: linear-gradient(to bottom, rgba(196,30,58,0.35), #c41e3a);
}

/* Düğüm kartı */
.hierarchy-node {
    background: #1b2a4a;
    border: 2px solid rgba(196, 30, 58, 0.3);
    border-radius: 14px;
    padding: 14px 20px;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    min-width: 130px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}

.hierarchy-node:hover {
    border-color: #c41e3a;
    background: #223358;
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(196, 30, 58, 0.3);
}

.hierarchy-node.level-1 {
    background: linear-gradient(135deg, #c41e3a, #9b1a2f);
    border-color: #c41e3a;
    min-width: 170px;
    box-shadow: 0 10px 40px rgba(196, 30, 58, 0.4);
}

.hierarchy-node.level-1 .node-label {
    color: #fff;
}

.hierarchy-node.level-1 .node-key {
    color: rgba(255,255,255,0.75);
}

.hierarchy-node.level-2 { border-color: rgba(234, 179, 8, 0.6); }
.hierarchy-node.level-2:hover { border-color: #eab308; box-shadow: 0 8px 24px rgba(234,179,8,0.25); }

.hierarchy-node.level-3 { border-color: rgba(59, 130, 246, 0.5); }
.hierarchy-node.level-3:hover { border-color: #3b82f6; box-shadow: 0 8px 24px rgba(59,130,246,0.2); }

.hierarchy-node.level-4 { border-color: rgba(16, 185, 129, 0.5); }
.hierarchy-node.level-4:hover { border-color: #10b981; box-shadow: 0 8px 24px rgba(16,185,129,0.2); }

.hierarchy-node.level-5 { border-color: rgba(148, 163, 184, 0.3); min-width: 90px; padding: 10px 14px; }

.node-icon {
    font-size: 1.4rem;
    margin-bottom: 6px;
}

.node-label {
    font-size: 0.8rem;
    font-weight: 700;
    color: rgba(255,255,255,0.9);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.node-key {
    font-size: 0.7rem;
    color: rgba(255,255,255,0.45);
    margin-top: 2px;
}

/* Tooltip */
.hierarchy-node .node-tooltip {
    display: none;
    position: absolute;
    bottom: calc(100% + 10px);
    left: 50%;
    transform: translateX(-50%);
    background: #1b2a4a;
    border: 1px solid rgba(196,30,58,0.4);
    border-radius: 10px;
    padding: 10px 14px;
    width: 220px;
    font-size: 0.8rem;
    color: rgba(255,255,255,0.8);
    text-align: left;
    line-height: 1.5;
    z-index: 100;
    box-shadow: 0 8px 24px rgba(0,0,0,0.3);
    pointer-events: none;
}

.hierarchy-node:hover .node-tooltip {
    display: block;
}

.node-tooltip strong {
    display: block;
    color: #c41e3a;
    margin-bottom: 4px;
    font-size: 0.78rem;
}

/* Hiyerarşi Tablosu */
.hierarchy-table-wrap {
    background: #1b2a4a;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(196,30,58,0.2);
    margin-top: 2.5rem;
    box-shadow: 0 6px 24px rgba(0,0,0,0.12);
}

.hierarchy-table {
    width: 100%;
    border-collapse: collapse;
    color: rgba(255,255,255,0.85);
    font-size: 0.9rem;
}

.hierarchy-table thead th {
    background: rgba(196,30,58,0.15);
    color: rgba(255,255,255,0.6);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 14px 18px;
    border-bottom: 1px solid rgba(196,30,58,0.2);
    font-weight: 700;
}

.hierarchy-table tbody td {
    padding: 14px 18px;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    color: rgba(255,255,255,0.8);
}

.hierarchy-table tbody tr:last-child td {
    border-bottom: none;
}

.hierarchy-table tbody tr:hover td {
    background: rgba(196,30,58,0.07);
}

.level-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 700;
}

.level-badge.l1 { background: rgba(196,30,58,0.2); color: #f87171; }
.level-badge.l2 { background: rgba(234,179,8,0.15); color: #fbbf24; }
.level-badge.l3 { background: rgba(59,130,246,0.15); color: #60a5fa; }
.level-badge.l4 { background: rgba(16,185,129,0.15); color: #34d399; }
.level-badge.l5 { background: rgba(148,163,184,0.1); color: #94a3b8; }

/* ---------- BÖLÜM 4 — TEKNİK ---------- */
.teknik-steps {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.teknik-step {
    background: white;
    border-radius: 16px;
    padding: 1.25rem 1.25rem;
    text-align: center;
    box-shadow: 0 6px 24px rgba(0,0,0,0.07);
    border: 2px solid transparent;
    transition: all 0.3s ease;
    position: relative;
}

.teknik-step::before {
    content: attr(data-step);
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background: #c41e3a;
    color: white;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 900;
    display: flex;
    align-items: center;
    justify-content: center;
}

.teknik-step:hover {
    border-color: rgba(196,30,58,0.3);
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(196,30,58,0.12);
}

.teknik-step i {
    font-size: 2.4rem;
    color: #c41e3a;
    margin-bottom: 1rem;
    display: block;
}

.teknik-step h3 {
    font-size: 1rem;
    font-weight: 800;
    color: #1a1a2e;
    margin-bottom: 0.75rem;
}

.teknik-step p {
    font-size: 0.9rem;
    color: #4a5568;
    line-height: 1.65;
    margin: 0;
}

/* Pin animasyonu */
.pin-demo {
    background: #223358;
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.pin-demo-label {
    color: rgba(255,255,255,0.5);
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.pin-stack {
    display: inline-flex;
    gap: 6px;
    align-items: flex-end;
    justify-content: center;
}

.pin-col {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    width: 40px;
}

.pin-driver {
    background: linear-gradient(to bottom, #6b7280, #9ca3af);
    border-radius: 4px 4px 0 0;
    width: 24px;
    animation: pinFloat 2.5s ease-in-out infinite;
}

.pin-master {
    background: linear-gradient(to bottom, #c41e3a, #9b1a2f);
    width: 24px;
    height: 8px;
    border-radius: 2px;
}

.pin-key {
    background: linear-gradient(to top, #3b82f6, #60a5fa);
    border-radius: 0 0 4px 4px;
    width: 24px;
}

@keyframes pinFloat {
    0%, 100% { transform: translateY(0); }
    50%       { transform: translateY(-4px); }
}

.shear-line {
    border-top: 2px dashed rgba(196,30,58,0.6);
    margin: 2px 0;
    width: 100%;
    position: relative;
}

.pin-col-label {
    font-size: 0.65rem;
    color: rgba(255,255,255,0.35);
    margin-top: 6px;
    text-align: center;
}

/* Terminoloji chips */
.termo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.termo-chip {
    background: white;
    border-radius: 12px;
    padding: 1rem 1.25rem;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    border-left: 4px solid #c41e3a;
}

.termo-chip strong {
    display: block;
    color: #c41e3a;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 4px;
}

.termo-chip p {
    color: #4a5568;
    font-size: 0.88rem;
    line-height: 1.5;
    margin: 0;
}

/* ---------- BÖLÜM 5 — KULLANIM ALANLARI ---------- */

.kullanim-section {
    background: #f4f6f9;
    padding: 3rem 0;
}

/* 3 × 2 ızgara — 6 kart */
.kullanim-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.75rem;
    margin-top: 2.5rem;
}

/* Kart */
.kullanim-kart {
    background: #ffffff;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.07);
    border: 1px solid rgba(0,0,0,0.06);
    transition: transform 0.32s ease, box-shadow 0.32s ease;
    display: flex;
    flex-direction: column;
}

.kullanim-kart:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 48px rgba(196,30,58,0.14);
}

/* Görsel alanı */
.kullanim-kart-img {
    position: relative;
    overflow: hidden;
    height: 230px;
    flex-shrink: 0;
}

.kullanim-kart-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

.kullanim-kart:hover .kullanim-kart-img img {
    transform: scale(1.05);
}

/* Görsel üstü degrade */
.kullanim-kart-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.45) 0%, transparent 55%);
    pointer-events: none;
}

/* Kategori badge */
.kullanim-kart-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    background: #c41e3a;
    color: #fff;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 50px;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    z-index: 2;
    letter-spacing: 0.03em;
    box-shadow: 0 2px 10px rgba(196,30,58,0.35);
}

/* İçerik */
.kullanim-kart-body {
    padding: 1rem 1.25rem 1.25rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.kullanim-kart-body h3 {
    font-size: 1.05rem;
    font-weight: 800;
    color: #1a1a2e;
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.kullanim-kart-body h3 i {
    color: #c41e3a;
    font-size: 1rem;
}

.kullanim-kart-body p {
    color: #64748b;
    font-size: 0.92rem;
    line-height: 1.72;
    margin-bottom: 1.25rem;
    flex: 1;
}

/* Etiketler */
.kullanim-etiket-row {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin-top: auto;
}

.kullanim-etiket {
    font-size: 0.75rem;
    font-weight: 600;
    color: #c41e3a;
    background: rgba(196,30,58,0.08);
    border: 1px solid rgba(196,30,58,0.2);
    border-radius: 50px;
    padding: 3px 12px;
}

/* ---------- BÖLÜM 6 — AVANTAJLAR ---------- */
.avantaj-banner {
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 2.5rem;
    box-shadow: 0 16px 48px rgba(0,0,0,0.14);
}

.avantaj-banner img {
    width: 100%;
    height: 280px;
    object-fit: cover;
    display: block;
}

.avantaj-kart {
    background: white;
    border-radius: 16px;
    padding: 1.1rem 1.25rem;
    box-shadow: 0 6px 24px rgba(0,0,0,0.07);
    border: 2px solid transparent;
    transition: all 0.35s ease;
    height: 100%;
}

.avantaj-kart:hover {
    border-color: #c41e3a;
    box-shadow: 0 12px 36px rgba(196,30,58,0.18),
                0 0 0 4px rgba(196,30,58,0.06);
    transform: translateY(-6px);
}

.avantaj-kart-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: rgba(196,30,58,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.25rem;
    transition: all 0.35s ease;
}

.avantaj-kart:hover .avantaj-kart-icon {
    background: #c41e3a;
}

.avantaj-kart-icon i {
    font-size: 1.5rem;
    color: #c41e3a;
    transition: color 0.35s ease;
}

.avantaj-kart:hover .avantaj-kart-icon i {
    color: white;
}

.avantaj-kart h3 {
    font-size: 1rem;
    font-weight: 800;
    color: #1a1a2e;
    margin-bottom: 0.6rem;
}

.avantaj-kart p {
    color: #64748b;
    font-size: 0.9rem;
    line-height: 1.65;
    margin: 0;
}

/* ---------- BÖLÜM 7 — GÜVENLİK ---------- */
.guvenlik-section {
    position: relative;
}

.guvenlik-bg {
    position: absolute;
    inset: 0;
    background-image: url('/uploads/site-gorselleri/master-kilit/guvenlik-onlemleri.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    opacity: 0.08;
    z-index: 0;
}

.guvenlik-panel {
    background: white;
    border-radius: 20px;
    padding: 1.5rem;
    box-shadow: 0 10px 40px rgba(0,0,0,0.1);
    height: 100%;
}

.guvenlik-panel.risk {
    border-top: 4px solid #ef4444;
}

.guvenlik-panel.cozum {
    border-top: 4px solid #10b981;
}

.guvenlik-panel h3 {
    font-size: 1.2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.6rem;
}

.guvenlik-panel.risk h3 { color: #ef4444; }
.guvenlik-panel.cozum h3 { color: #10b981; }

.guvenlik-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.guvenlik-list li {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    font-size: 0.95rem;
    color: #4a5568;
    line-height: 1.6;
}

.guvenlik-list li .g-icon {
    width: 22px;
    height: 22px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    margin-top: 2px;
    font-size: 0.7rem;
}

.guvenlik-panel.risk .g-icon {
    background: rgba(239,68,68,0.1);
    color: #ef4444;
}

.guvenlik-panel.cozum .g-icon {
    background: rgba(16,185,129,0.1);
    color: #10b981;
}

.guvenlik-list li strong {
    display: block;
    color: #1a1a2e;
    font-weight: 700;
    font-size: 0.92rem;
    margin-bottom: 2px;
}

/* ---------- BÖLÜM 8 — SSS ---------- */
.sss-section {
    background: #E8E8E8;
}

.sss-accordion .accordion-item {
    border: 2px solid rgba(196,30,58,0.1);
    border-radius: 12px !important;
    margin-bottom: 0.75rem;
    overflow: hidden;
    box-shadow: 0 3px 12px rgba(0,0,0,0.05);
}

.sss-accordion .accordion-button {
    font-weight: 700;
    color: #1a1a2e;
    font-size: 1rem;
    background: white;
    border-radius: 12px !important;
    padding: 0.75rem 1.25rem;
}

.sss-accordion .accordion-button:not(.collapsed) {
    color: #c41e3a;
    background: rgba(196,30,58,0.04);
    box-shadow: none;
}

.sss-accordion .accordion-button::after {
    filter: none;
}

.sss-accordion .accordion-button:not(.collapsed)::after {
    filter: hue-rotate(330deg) saturate(2);
}

.sss-accordion .accordion-body {
    background: white;
    color: #4a5568;
    font-size: 0.95rem;
    line-height: 1.75;
    padding: 0.75rem 1.25rem 1rem;
    border-top: 1px solid rgba(196,30,58,0.08);
}

/* ---------- CTA ---------- */
.master-cta-section {
    background: linear-gradient(135deg, #c41e3a 0%, #7f0e1e 100%);
    padding: 3rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.master-cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: radial-gradient(circle at 20% 50%, rgba(255,255,255,0.05) 1px, transparent 1px),
                      radial-gradient(circle at 80% 50%, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 40px 40px;
}

.master-cta-section h2 {
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 900;
    color: white;
    margin-bottom: 1rem;
    position: relative;
}

.master-cta-section p {
    color: rgba(255,255,255,0.8);
    font-size: 1.1rem;
    margin-bottom: 2.5rem;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.cta-btn-group {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    position: relative;
}

.cta-btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: #25d366;
    color: white;
    font-weight: 800;
    font-size: 1.05rem;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(37,211,102,0.4);
}

.cta-btn-whatsapp:hover {
    background: #1ebe5d;
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 12px 30px rgba(37,211,102,0.5);
}

.cta-btn-whatsapp i {
    font-size: 1.25rem;
}

.cta-btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    background: rgba(255,255,255,0.12);
    color: white;
    font-weight: 700;
    font-size: 1.05rem;
    padding: 14px 32px;
    border-radius: 50px;
    text-decoration: none;
    border: 2px solid rgba(255,255,255,0.35);
    transition: all 0.3s ease;
}

.cta-btn-secondary:hover {
    background: rgba(255,255,255,0.9);
    color: #c41e3a;
    border-color: transparent;
    transform: translateY(-3px);
}

/* ---------- YETKİLİ BAYİLİKLER ---------- */
.bayilik-section {
    background: #fff;
}

.bayilik-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.bayilik-kart {
    display: flex;
    flex-direction: column;
    background: #fff;
    border: 2px solid #f0f2f5;
    border-radius: 18px;
    overflow: hidden;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
}

.bayilik-kart:hover {
    border-color: #c41e3a;
    box-shadow: 0 10px 36px rgba(196,30,58,0.14);
    transform: translateY(-5px);
}

.bayilik-logo {
    background: #f8f9fb;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    height: 140px;
    border-bottom: 1px solid #f0f2f5;
}

.bayilik-logo img {
    max-width: 100%;
    max-height: 90px;
    object-fit: contain;
    transition: transform 0.3s ease;
}

.bayilik-kart:hover .bayilik-logo img {
    transform: scale(1.06);
}

.bayilik-bilgi {
    padding: 1.25rem 1.25rem 1rem;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.bayilik-bilgi h3 {
    font-size: 1rem;
    font-weight: 800;
    color: #1a1a2e;
    margin-bottom: 0.5rem;
}

.bayilik-bilgi p {
    font-size: 0.83rem;
    color: #718096;
    line-height: 1.6;
    margin-bottom: 1rem;
    flex: 1;
}

.bayilik-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.82rem;
    font-weight: 700;
    color: #c41e3a;
    transition: gap 0.2s ease;
}

.bayilik-kart:hover .bayilik-link {
    gap: 10px;
}

@media (max-width: 991px) {
    .bayilik-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 576px) {
    .bayilik-grid {
        grid-template-columns: 1fr 1fr;
        gap: 1rem;
    }

    .bayilik-logo {
        height: 100px;
        padding: 1rem;
    }

    .bayilik-bilgi {
        padding: 0.875rem;
    }

    .bayilik-bilgi p {
        display: none;
    }
}

@media (max-width: 420px) {
    .bayilik-grid {
        grid-template-columns: 1fr;
    }

    .bayilik-bilgi p {
        display: block;
    }
}

/* ---------- SEO ETİKET ALANI ---------- */
.seo-etiket-section {
    background: #f0f2f5;
    padding: 2rem 0 2.5rem;
}

.seo-etiket-grup {
    margin-bottom: 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    flex-wrap: wrap;
}

.seo-etiket-grup:last-child {
    margin-bottom: 0;
}

.seo-etiket-baslik {
    flex-shrink: 0;
    font-size: 0.72rem;
    font-weight: 700;
    color: #718096;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 5px 0;
    min-width: 90px;
    display: flex;
    align-items: center;
    gap: 5px;
}

.seo-etiket-listesi {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.seo-etiket {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 50px;
    font-size: 0.78rem;
    font-weight: 500;
    color: #4a5568;
    background: #fff;
    border: 1px solid #e2e8f0;
    text-decoration: none;
    transition: all 0.2s ease;
    white-space: nowrap;
}

.seo-etiket:hover {
    background: rgba(196, 30, 58, 0.06);
    border-color: rgba(196, 30, 58, 0.3);
    color: #c41e3a;
}

@media (max-width: 576px) {
    .seo-etiket-grup {
        flex-direction: column;
        gap: 0.4rem;
    }

    .seo-etiket-baslik {
        min-width: unset;
    }

    .seo-etiket {
        font-size: 0.75rem;
    }
}

/* ---------- KIRMIZI ÇİZGİ ---------- */
.red-line {
    position: relative;
    overflow: hidden;
    height: 2px;
    background: linear-gradient(135deg, #b80211 0%, #f93f48 50%, #b80211 100%);
    box-shadow: 0 0 15px rgba(242, 39, 70, 0.8);
    z-index: 1000;
}

.red-line::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent 0%,
        rgba(255, 255, 255, 0.6) 30%,
        rgba(255, 255, 255, 0.9) 50%,
        rgba(255, 255, 255, 0.6) 70%,
        transparent 100%
    );
    animation: slideLight 4s ease-in-out infinite;
}

@keyframes slideLight {
    0%   { left: -100%; }
    50%  { left: 100%; }
    100% { left: -100%; }
}

/* ---------- RESPONSIVE — TABLET ---------- */
@media (max-width: 991px) {
    .kullanim-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .teknik-steps {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .master-hero h1 {
        white-space: normal;
        font-size: clamp(1.4rem, 6vw, 2.2rem);
    }

    .master-hero-content {
        padding: 1.25rem 1.25rem;
        margin: 0 0.75rem;
    }

    .master-hero-subtitle {
        font-size: 0.92rem;
        margin-bottom: 1.25rem;
    }

    .hero-stats {
        gap: 1rem 1.5rem;
    }

    .hero-stat-number {
        font-size: 1.5rem;
    }

    .hero-stat-label {
        font-size: 0.7rem;
    }

    .teknik-steps {
        grid-template-columns: 1fr;
    }

    .hierarchy-row {
        gap: 4px;
    }

    .hierarchy-node {
        min-width: 75px;
        padding: 8px 8px;
    }

    .node-label {
        font-size: 0.62rem;
    }

    .node-key {
        font-size: 0.58rem;
    }

    .kullanim-kart-img {
        height: 180px;
    }

    .avantaj-banner img {
        height: 200px;
    }

    .section-title {
        font-size: 1.35rem;
    }

    .section-desc {
        font-size: 0.9rem;
    }

    .nedir-metin-kart p,
    .teknik-step p,
    .avantaj-kart p,
    .guvenlik-panel p,
    .kullanim-kart-body p {
        font-size: 0.88rem;
        line-height: 1.65;
    }

    .guvenlik-panel {
        padding: 1.25rem;
    }
}

/* ---------- RESPONSIVE — TELEFON ---------- */
@media (max-width: 576px) {
    .master-section {
        padding: 2.25rem 0;
    }

    .master-hero-content {
        padding: 1rem;
        margin: 0 0.5rem;
        border-radius: 14px;
    }

    .master-hero h1 {
        font-size: 1.35rem;
        white-space: normal;
    }

    .master-hero-subtitle {
        font-size: 0.88rem;
        margin-bottom: 1rem;
    }

    .section-title {
        font-size: 1.35rem;
    }

    .section-desc {
        font-size: 0.88rem;
    }

    .nedir-metin-kart p,
    .teknik-step p,
    .avantaj-kart p,
    .guvenlik-panel p,
    .kullanim-kart-body p,
    .bayilik-bilgi p {
        font-size: 0.88rem;
        line-height: 1.6;
    }

    .avantaj-kart h3,
    .teknik-step h3,
    .kullanim-kart-body h3,
    .guvenlik-panel h3,
    .bayilik-bilgi h3 {
        font-size: 0.95rem;
    }

    .hero-stats {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem 1rem;
        margin-bottom: 0;
    }

    .hero-stat-number {
        font-size: 1.4rem;
    }

    .kullanim-grid {
        grid-template-columns: 1fr;
    }

    .kullanim-kart-img {
        height: 200px;
    }

    .kullanim-kart-body {
        padding: 0.875rem 1rem 1rem;
    }

    .hierarchy-section .container {
        padding-left: 0.5rem;
        padding-right: 0.5rem;
    }

    .hierarchy-row {
        gap: 2px;
        overflow-x: visible;
        padding-bottom: 4px;
    }

    .hierarchy-node {
        min-width: 52px;
        padding: 7px 4px;
        border-radius: 8px;
    }

    /* level-5 override'ı sıfırla — 6 node × 90px = taşıyor */
    .hierarchy-node.level-5 {
        min-width: 44px;
        padding: 6px 3px;
    }

    .node-icon { font-size: 0.9rem; }
    .node-label { font-size: 0.55rem; }
    .node-key { display: none; }

    /* zoom layout alanını da küçültür — transform'un aksine margin gerekmez */
    .hierarchy-tree {
        zoom: 0.82;
    }

    .hierarchy-table-wrap {
        overflow-x: auto;
    }

    .hierarchy-table {
        font-size: 0.72rem;
    }

    .hierarchy-table thead th {
        font-size: 0.62rem;
        padding: 8px 10px;
        letter-spacing: 0.04em;
    }

    .hierarchy-table tbody td {
        padding: 8px 10px;
    }

    .level-badge {
        font-size: 0.62rem;
        padding: 3px 8px;
    }

    .teknik-step {
        padding: 1rem;
    }

    .avantaj-kart {
        padding: 0.875rem 1rem;
    }

    .avantaj-kart-icon {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }

    .avantaj-banner img {
        height: 160px;
    }

    .guvenlik-panel {
        padding: 1rem;
        margin-bottom: 1rem;
    }

    .sss-accordion .accordion-button {
        font-size: 0.9rem;
        padding: 0.65rem 1rem;
    }

    .cta-btn-group {
        flex-direction: column;
        align-items: stretch;
        gap: 0.75rem;
        padding: 0 1rem;
    }

    .cta-btn-whatsapp,
    .cta-btn-secondary {
        justify-content: center;
        padding: 12px 20px;
        font-size: 0.95rem;
    }

    .section-title {
        font-size: clamp(1.2rem, 7vw, 1.7rem);
    }

    .section-desc {
        font-size: 0.9rem;
        padding: 0 0.5rem;
    }
}

/* ---------- RESPONSIVE — KÜÇÜk TELEFON (400px) ---------- */
@media (max-width: 480px) {
    /* Tablo → kart düzeni */
    .hierarchy-table thead {
        display: none;
    }

    .hierarchy-table,
    .hierarchy-table tbody,
    .hierarchy-table tr,
    .hierarchy-table td {
        display: block;
        width: 100%;
    }

    .hierarchy-table tbody tr {
        border: 1px solid rgba(196,30,58,0.25);
        border-radius: 10px;
        margin-bottom: 10px;
        padding: 4px 0;
        overflow: hidden;
    }

    .hierarchy-table tbody tr:last-child {
        margin-bottom: 0;
    }

    .hierarchy-table tbody td {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 6px 12px;
        border-bottom: 1px solid rgba(255,255,255,0.06);
        font-size: 0.76rem;
    }

    .hierarchy-table tbody tr td:last-child {
        border-bottom: none;
    }

    .hierarchy-table tbody td::before {
        content: attr(data-label);
        flex-shrink: 0;
        width: 68px;
        font-size: 0.6rem;
        font-weight: 700;
        text-transform: uppercase;
        letter-spacing: 0.05em;
        color: rgba(255,255,255,0.45);
    }
}

@media (max-width: 420px) {
    .master-hero h1 {
        font-size: 1.2rem;
    }

    .section-title {
        font-size: 1.2rem;
    }

    .hero-stat-number {
        font-size: 1.25rem;
    }

    .hierarchy-node {
        min-width: 46px;
        padding: 6px 3px;
    }

    .hierarchy-node.level-5 {
        min-width: 38px;
        padding: 5px 2px;
    }

    .hierarchy-tree {
        zoom: 0.76;
    }

    .node-label {
        font-size: 0.5rem;
    }

    .kullanim-kart-img {
        height: 170px;
    }
}

/* ---------- FLOATING WHATSAPP BUTONU ---------- */
.whatsapp-float {
    display: none;
    position: fixed;
    bottom: 22px;
    right: 18px;
    z-index: 9999;
    background: #25d366;
    color: white;
    border-radius: 50px;
    padding: 12px 18px 12px 14px;
    font-size: 0.85rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37,211,102,0.5);
    align-items: center;
    gap: 8px;
    transition: transform 0.25s ease, box-shadow 0.25s ease;
}

.whatsapp-float i {
    font-size: 1.3rem;
}

.whatsapp-float:hover {
    color: white;
    transform: translateY(-3px);
    box-shadow: 0 8px 28px rgba(37,211,102,0.6);
}

@media (max-width: 768px) {
    .whatsapp-float {
        display: inline-flex;
    }
}