/* ============================================
   S1 Geçiş Kontrol Yazılımı - Page Styles
   ============================================ */

/* Hero Section */
.gk-hero {
    position: relative;
    min-height: 70vh;
    display: flex;
    align-items: center;
    padding: 40px 0 80px;
    overflow: hidden;
}

.gk-hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.gk-hero-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(16, 185, 129, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(16, 185, 129, 0.03) 1px, transparent 1px);
    background-size: 40px 40px;
}

.gk-hero-gradient {
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 80% 50% at 20% 40%, rgba(16, 185, 129, 0.15), transparent 50%),
        radial-gradient(ellipse 60% 40% at 80% 60%, rgba(59, 130, 246, 0.1), transparent 50%),
        linear-gradient(180deg, #0f172a 0%, #1e293b 50%, #0f172a 100%);
}

.gk-hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.gk-hero-text {
    max-width: 600px;
}

.gk-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 100px;
    color: #10b981;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 24px;
}

.gk-hero-title {
    font-family: 'Darker Grotesque', sans-serif;
    font-size: clamp(48px, 6vw, 72px);
    font-weight: 800;
    line-height: 1.05;
    color: #f8fafc;
    margin-bottom: 24px;
}

.gk-hero-title .title-line {
    display: block;
}

.gk-hero-title .title-gradient {
    display: block;
    background: linear-gradient(135deg, #10b981 0%, #34d399 50%, #6ee7b7 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.gk-hero-desc {
    font-size: 18px;
    line-height: 1.7;
    color: #94a3b8;
    margin-bottom: 32px;
}

.gk-hero-stats {
    display: flex;
    gap: 40px;
    margin-bottom: 40px;
    padding: 24px 0;
    border-top: 1px solid rgba(148, 163, 184, 0.1);
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
}

.hero-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-family: 'Darker Grotesque', sans-serif;
    font-size: 32px;
    font-weight: 800;
    color: #10b981;
}

.stat-label {
    font-size: 13px;
    color: #64748b;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.gk-hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.btn-glow {
    position: relative;
    box-shadow: 0 0 30px rgba(16, 185, 129, 0.3);
}

.btn-glow::before {
    content: '';
    position: absolute;
    inset: -2px;
    background: linear-gradient(135deg, #10b981, #34d399);
    border-radius: inherit;
    z-index: -1;
    opacity: 0;
    transition: opacity 0.3s;
}

.btn-glow:hover::before {
    opacity: 1;
}

.btn-outline-light {
    background: transparent;
    border: 1px solid rgba(248, 250, 252, 0.3);
    color: #f8fafc;
}

.btn-outline-light:hover {
    background: rgba(248, 250, 252, 0.1);
    border-color: rgba(248, 250, 252, 0.5);
}

/* Hero Visual - Access Card Stack */
.gk-hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 500px;
}

.access-card-stack {
    position: relative;
    width: 100%;
    max-width: 400px;
    height: 400px;
}

.access-card {
    position: absolute;
    background: rgba(30, 41, 59, 0.9);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 16px;
    padding: 20px;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.access-card.card-1 {
    top: 0;
    left: 0;
    width: 320px;
    z-index: 3;
    animation: floatCard1 6s ease-in-out infinite;
}

.access-card.card-2 {
    top: 80px;
    right: 0;
    width: 280px;
    z-index: 2;
    animation: floatCard2 6s ease-in-out infinite;
    animation-delay: -2s;
}

.access-card.card-3 {
    bottom: 20px;
    left: 40px;
    width: 240px;
    z-index: 1;
    animation: floatCard3 6s ease-in-out infinite;
    animation-delay: -4s;
}

@keyframes floatCard1 {
    0%, 100% { transform: translateY(0) rotate(-2deg); }
    50% { transform: translateY(-10px) rotate(0deg); }
}

@keyframes floatCard2 {
    0%, 100% { transform: translateY(0) rotate(3deg); }
    50% { transform: translateY(-15px) rotate(1deg); }
}

@keyframes floatCard3 {
    0%, 100% { transform: translateY(0) rotate(-1deg); }
    50% { transform: translateY(-8px) rotate(1deg); }
}

.card-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
    font-size: 13px;
    color: #94a3b8;
}

.card-status {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.card-status.granted {
    background: #10b981;
    box-shadow: 0 0 10px rgba(16, 185, 129, 0.5);
}

.card-status.pending {
    background: #f59e0b;
    animation: pulse 2s infinite;
}

.card-status.visitor {
    background: #3b82f6;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.card-body {
    display: flex;
    align-items: center;
    gap: 16px;
}

.card-avatar {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #10b981, #34d399);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.card-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.card-name {
    font-size: 16px;
    font-weight: 600;
    color: #f8fafc;
}

.card-dept {
    font-size: 13px;
    color: #64748b;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid rgba(148, 163, 184, 0.1);
    font-size: 12px;
    color: #64748b;
}

.fingerprint-scanner {
    width: 80px;
    height: 80px;
    margin: 0 auto;
    background: linear-gradient(135deg, rgba(245, 158, 11, 0.1), rgba(245, 158, 11, 0.05));
    border: 2px solid rgba(245, 158, 11, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #f59e0b;
    animation: scan 2s ease-in-out infinite;
}

@keyframes scan {
    0%, 100% { box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.4); }
    50% { box-shadow: 0 0 0 20px rgba(245, 158, 11, 0); }
}

.visitor-badge {
    text-align: center;
    padding: 16px;
}

.badge-text {
    display: block;
    font-size: 24px;
    font-weight: 700;
    color: #3b82f6;
    letter-spacing: 4px;
}

.badge-id {
    display: block;
    font-size: 12px;
    color: #64748b;
    margin-top: 4px;
}

/* Tab Navigation */
.inner-page-tabs {
    position: sticky;
    top: 0;
    z-index: 99;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(148, 163, 184, 0.1);
    padding: 0;
}

.tabs-wrapper {
    display: flex;
    gap: 8px;
    padding: 16px 0;
    overflow-x: auto;
    scrollbar-width: none;
}

.tabs-wrapper::-webkit-scrollbar {
    display: none;
}

.tab-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 500;
    color: #94a3b8;
    text-decoration: none;
    border-radius: 8px;
    white-space: nowrap;
    transition: all 0.3s;
}

.tab-link:hover {
    color: #f8fafc;
    background: rgba(248, 250, 252, 0.05);
}

.tab-link.active {
    color: #10b981;
    background: rgba(16, 185, 129, 0.1);
}

.tab-link.tab-cta {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
    font-weight: 600;
}

.tab-link.tab-cta:hover {
    background: linear-gradient(135deg, #059669, #047857);
}

/* Content Sections */
.content-section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 60px;
}

.section-badge {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 100px;
    color: #10b981;
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 16px;
}

.section-title-large {
    font-family: 'Darker Grotesque', sans-serif;
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    line-height: 1.1;
    color: #0f172a;
    margin-bottom: 16px;
}

.section-title-large .text-gradient {
    background: linear-gradient(135deg, #10b981, #34d399);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-desc {
    font-size: 18px;
    color: #64748b;
    line-height: 1.6;
}

/* Features Section */
.gk-features {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.feature-card {
    background: white;
    border-radius: 20px;
    padding: 32px;
    border: 1px solid rgba(148, 163, 184, 0.1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    transition: all 0.3s;
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.feature-card.feature-large {
    grid-column: span 2;
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 32px;
    align-items: start;
}

.feature-icon-wrapper {
    padding-top: 4px;
}

.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.feature-card:not(.feature-large) .feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    margin-bottom: 20px;
}

.gradient-emerald { background: linear-gradient(135deg, #10b981, #059669); }
.gradient-blue { background: linear-gradient(135deg, #3b82f6, #2563eb); }
.gradient-purple { background: linear-gradient(135deg, #8b5cf6, #7c3aed); }
.gradient-orange { background: linear-gradient(135deg, #f59e0b, #d97706); }
.gradient-teal { background: linear-gradient(135deg, #14b8a6, #0d9488); }
.gradient-red { background: linear-gradient(135deg, #ef4444, #dc2626); }

.feature-content h3,
.feature-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 12px;
}

.feature-content p,
.feature-card p {
    font-size: 15px;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 16px;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 8px;
    font-size: 14px;
    color: #475569;
}

.feature-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 6px;
    width: 8px;
    height: 8px;
    background: #10b981;
    border-radius: 50%;
}

.feature-tags {
    display: flex;
    gap: 8px;
    margin-top: 16px;
}

.tag {
    padding: 4px 12px;
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    font-size: 12px;
    font-weight: 600;
    border-radius: 100px;
}

/* How It Works Section */
.gk-how-it-works {
    background: #0f172a;
}

.gk-how-it-works .section-title-large {
    color: #f8fafc;
}

.gk-how-it-works .section-desc {
    color: #94a3b8;
}

.workflow-timeline {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    padding: 40px 0;
}

.workflow-step {
    flex: 1;
    text-align: center;
    max-width: 220px;
}

.step-number {
    font-family: 'Darker Grotesque', sans-serif;
    font-size: 48px;
    font-weight: 800;
    color: rgba(16, 185, 129, 0.2);
    margin-bottom: 16px;
}

.step-content {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 16px;
    padding: 32px 24px;
}

.step-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.step-content h3 {
    font-size: 18px;
    font-weight: 700;
    color: #f8fafc;
    margin-bottom: 8px;
}

.step-content p {
    font-size: 14px;
    color: #94a3b8;
    line-height: 1.5;
}

.workflow-connector {
    display: flex;
    align-items: center;
    padding-top: 120px;
    color: rgba(16, 185, 129, 0.3);
}

/* Components Section */
.gk-components {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.components-showcase {
    display: grid;
    gap: 48px;
}

.component-category h3.category-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 20px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 24px;
}

.category-icon {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #10b981, #059669);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.components-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 16px;
}

.component-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 16px 20px;
    background: white;
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 12px;
    font-size: 14px;
    font-weight: 500;
    color: #1e293b;
    transition: all 0.3s;
}

.component-item:hover {
    border-color: #10b981;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.1);
}

.component-icon {
    width: 40px;
    height: 40px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #10b981;
    flex-shrink: 0;
}

/* Benefits Section */
.gk-benefits {
    background: linear-gradient(180deg, #f8fafc 0%, #f1f5f9 100%);
}

.benefits-layout {
    display: flex;
    flex-direction: column;
    gap: 48px;
}

.benefits-header {
    text-align: center;
}

.benefits-cards {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.benefit-card {
    position: relative;
    background: white;
    border-radius: 20px;
    padding: 40px;
    border: 1px solid rgba(148, 163, 184, 0.1);
    overflow: hidden;
    transition: all 0.3s;
}

.benefit-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.08);
}

.benefit-number {
    position: absolute;
    top: 24px;
    right: 24px;
    font-family: 'Darker Grotesque', sans-serif;
    font-size: 64px;
    font-weight: 800;
    color: rgba(16, 185, 129, 0.08);
    line-height: 1;
}

.benefit-icon {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    margin-bottom: 24px;
}

.benefit-card h3 {
    font-size: 22px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 12px;
}

.benefit-card p {
    font-size: 15px;
    color: #64748b;
    line-height: 1.6;
    margin-bottom: 20px;
}

.benefit-points {
    list-style: none;
    padding: 0;
    margin: 0;
}

.benefit-points li {
    position: relative;
    padding-left: 24px;
    margin-bottom: 10px;
    font-size: 14px;
    font-weight: 500;
    color: #475569;
}

.benefit-points li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #10b981;
    font-weight: 700;
}

/* Selection Criteria Section */
.gk-criteria {
    background: #0f172a;
}

.gk-criteria .section-title-large {
    color: #f8fafc;
}

.criteria-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.criteria-card {
    background: rgba(30, 41, 59, 0.5);
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 16px;
    padding: 32px;
    transition: all 0.3s;
}

.criteria-card:hover {
    border-color: rgba(16, 185, 129, 0.3);
    background: rgba(30, 41, 59, 0.8);
}

.criteria-icon {
    width: 56px;
    height: 56px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #10b981;
    margin-bottom: 20px;
}

.criteria-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: #f8fafc;
    margin-bottom: 8px;
}

.criteria-card p {
    font-size: 14px;
    color: #94a3b8;
    line-height: 1.6;
}

.criteria-cta {
    text-align: center;
    padding: 32px;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.2);
    border-radius: 16px;
}

.criteria-cta p {
    font-size: 18px;
    color: #f8fafc;
    margin-bottom: 20px;
}

/* Integrations Section */
.gk-integrations {
    background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.integrations-showcase {
    display: grid;
    gap: 40px;
    margin-bottom: 48px;
}

.integration-category h4 {
    font-size: 16px;
    font-weight: 600;
    color: #64748b;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.brand-logos {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}

.brand-logo-item {
    width: 120px;
    height: 60px;
    background: white;
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 12px;
    transition: all 0.3s;
}

.brand-logo-item:hover {
    border-color: #10b981;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.1);
}

.brand-logo-item img {
    max-width: 80%;
    max-height: 80%;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: all 0.3s;
}

.brand-logo-item:hover img {
    filter: grayscale(0%);
    opacity: 1;
}

.integration-features {
    display: flex;
    justify-content: center;
    gap: 32px;
    flex-wrap: wrap;
    padding: 32px;
    background: rgba(16, 185, 129, 0.05);
    border-radius: 16px;
}

.int-feature {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: #10b981;
}

/* Flexible Solutions Section */
.gk-flexible {
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
}

.flexible-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.flexible-content .section-badge {
    margin-bottom: 16px;
}

.flexible-content .section-title-large {
    text-align: left;
    margin-bottom: 16px;
}

.flexible-content .section-desc {
    text-align: left;
    margin-bottom: 40px;
}

.flexible-features {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.flex-feature {
    display: flex;
    gap: 16px;
    padding: 24px;
    background: white;
    border: 1px solid rgba(148, 163, 184, 0.1);
    border-radius: 16px;
    transition: all 0.3s;
}

.flex-feature:hover {
    border-color: #10b981;
    box-shadow: 0 4px 20px rgba(16, 185, 129, 0.1);
}

.flex-icon {
    width: 48px;
    height: 48px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #10b981;
    flex-shrink: 0;
}

.flex-text h4 {
    font-size: 16px;
    font-weight: 700;
    color: #0f172a;
    margin-bottom: 4px;
}

.flex-text p {
    font-size: 14px;
    color: #64748b;
}

.scale-diagram {
    background: linear-gradient(135deg, #0f172a, #1e293b);
    border-radius: 24px;
    padding: 48px;
}

.scale-bar {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.scale-level {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: rgba(248, 250, 252, 0.05);
    border-radius: 12px;
    border-left: 4px solid;
    transition: all 0.3s;
}

.scale-level:hover {
    background: rgba(248, 250, 252, 0.1);
}

.scale-level.level-1 { border-left-color: #10b981; }
.scale-level.level-2 { border-left-color: #3b82f6; }
.scale-level.level-3 { border-left-color: #8b5cf6; }
.scale-level.level-4 { border-left-color: #f59e0b; }

.level-label {
    font-size: 16px;
    font-weight: 600;
    color: #f8fafc;
}

.level-doors {
    font-size: 14px;
    color: #94a3b8;
}

/* CTA Section */
.gk-cta {
    background: #0f172a;
    padding: 80px 0;
}

.gk-cta-box {
    position: relative;
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    border-radius: 32px;
    padding: 64px;
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: center;
    overflow: hidden;
}

.cta-pattern {
    position: absolute;
    inset: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(255,255,255,0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255,255,255,0.1) 0%, transparent 50%);
    pointer-events: none;
}

.gk-cta-box .cta-content {
    position: relative;
}

.gk-cta-box h2 {
    font-family: 'Darker Grotesque', sans-serif;
    font-size: 36px;
    font-weight: 800;
    color: white;
    line-height: 1.2;
    margin-bottom: 16px;
}

.gk-cta-box p {
    font-size: 16px;
    color: rgba(255,255,255,0.9);
    line-height: 1.6;
    margin-bottom: 24px;
}

.cta-features {
    display: flex;
    gap: 24px;
    flex-wrap: wrap;
}

.cta-features span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 500;
    color: white;
}

.cta-actions {
    position: relative;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.btn-white {
    background: white;
    color: #059669;
    font-weight: 600;
}

.btn-white:hover {
    background: #f8fafc;
}

.btn-outline-white {
    background: transparent;
    border: 2px solid rgba(255,255,255,0.5);
    color: white;
}

.btn-outline-white:hover {
    background: rgba(255,255,255,0.1);
    border-color: white;
}

.btn-lg {
    padding: 16px 32px;
    font-size: 16px;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .gk-hero-content {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .gk-hero-visual {
        min-height: 400px;
    }
    
    .access-card-stack {
        max-width: 350px;
        height: 350px;
        margin: 0 auto;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .feature-card.feature-large {
        grid-column: span 1;
        grid-template-columns: 1fr;
    }
    
    .workflow-timeline {
        flex-direction: column;
        align-items: center;
    }
    
    .workflow-connector {
        transform: rotate(90deg);
        padding: 20px 0;
    }
    
    .benefits-cards {
        grid-template-columns: 1fr;
    }
    
    .criteria-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .flexible-layout {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    
    .gk-cta-box {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 48px 32px;
    }
    
    .cta-features {
        justify-content: center;
    }
    
    .cta-actions {
        align-items: stretch;
    }
}

@media (max-width: 768px) {
    .gk-hero {
        padding: 40px 0 60px;
    }
    
    .gk-hero-stats {
        flex-direction: column;
        gap: 20px;
    }
    
    .gk-hero-actions {
        flex-direction: column;
    }
    
    .gk-hero-actions .btn {
        width: 100%;
        justify-content: center;
    }
    
    .access-card-stack {
        height: 300px;
    }
    
    .access-card.card-1 { width: 280px; }
    .access-card.card-2 { width: 240px; top: 60px; }
    .access-card.card-3 { width: 200px; }
    
    .criteria-grid {
        grid-template-columns: 1fr;
    }
    
    .brand-logos {
        justify-content: center;
    }
    
    .integration-features {
        flex-direction: column;
        align-items: center;
    }
}









#pageTabs {
    position: sticky;
    top: 90px; /* header yüksekliğine göre ayarla */
    z-index: 50;
    backdrop-filter: blur(8px);
}