:root {
    --c-gece-mavisi: #0B192C;      /* Deep midnight blue */
    --c-kurumsal-mavi: #0066cc;    /* Premium electric brand blue */
    --c-aktif-mavi: #3399ff;       /* Active link blue */
    --c-acik-mavi: #f0f7ff;        /* Soft surface tint */
    --c-yuzey: #f8fafc;            /* Clean light grey-blue */
    --c-white: #ffffff;
    
    --t-baslik: #0f172a;           /* Slate 900 */
    --t-govde: #334155;            /* Slate 700 */
    --t-ikincil: #64748b;          /* Slate 500 */
    --t-pasif: #94a3b8;            /* Slate 400 */
    --c-border: #e2e8f0;           /* Slate 200 */

    --s-cta-bg: #e0f2fe;
    --s-cta-border: #bae6fd;
    --s-cta-text: #0369a1;
    
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 28px;
    
    --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.05);
    --shadow-md: 0 8px 30px rgba(15, 23, 42, 0.04), 0 2px 8px rgba(15, 23, 42, 0.02);
    --shadow-lg: 0 20px 40px -4px rgba(15, 23, 42, 0.06), 0 8px 16px -2px rgba(15, 23, 42, 0.04);
    --shadow-hover: 0 30px 60px -8px rgba(0, 102, 204, 0.08), 0 12px 30px -2px rgba(0, 102, 204, 0.04);

    --font-main: 'Plus Jakarta Sans', system-ui, sans-serif;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    color: var(--t-govde);
    background-color: var(--c-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    color: var(--t-baslik);
    font-weight: 600;
    line-height: 1.3;
}

a {
    text-decoration: none;
    color: var(--c-kurumsal-mavi);
    transition: all 0.3s ease;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.75);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(0, 102, 204, 0.08);
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.nav-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: inline-flex;
    align-items: center;
    font-size: 24px;
    font-weight: 800;
    color: var(--c-gece-mavisi);
    letter-spacing: -0.8px;
    line-height: 1;
}

.logo span {
    color: var(--c-kurumsal-mavi);
}

.logo-icon {
    width: 24px;
    height: 24px;
    margin-right: 8px;
    object-fit: contain;
    flex-shrink: 0;
}

.nav-links {
    display: flex;
    gap: 36px;
}

.nav-links a {
    color: var(--t-govde);
    font-size: 15px;
    font-weight: 600;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--c-kurumsal-mavi);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.3s ease;
}

.nav-links a:hover {
    color: var(--c-kurumsal-mavi);
}

.nav-links a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 24px;
    color: var(--c-gece-mavisi);
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    border: none;
    gap: 8px;
}

.btn-primary {
    background: linear-gradient(135deg, var(--c-kurumsal-mavi) 0%, #004bb3 100%);
    color: var(--c-white);
    box-shadow: 0 4px 14px rgba(0, 102, 204, 0.25);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0077ee 0%, #003fa3 100%);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 102, 204, 0.35);
    color: var(--c-white);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.6);
    color: var(--t-baslik);
    border: 1px solid var(--c-border);
    backdrop-filter: blur(5px);
}

.btn-secondary:hover {
    border-color: var(--c-kurumsal-mavi);
    color: var(--c-kurumsal-mavi);
    background: rgba(255, 255, 255, 0.9);
    transform: translateY(-2px);
}

/* Hero Section */
.hero {
    margin-top: 73px;
    min-height: calc(100vh - 73px);
    position: relative;
    background: radial-gradient(circle at 80% 20%, rgba(0, 102, 204, 0.08) 0%, transparent 50%),
                radial-gradient(circle at 10% 80%, rgba(51, 153, 255, 0.05) 0%, transparent 50%),
                var(--c-yuzey);
    overflow: hidden;
    display: flex;
    align-items: center;
}

.hero::before {
    content: '';
    position: absolute;
    width: 200%;
    height: 200%;
    background-image: radial-gradient(rgba(0, 102, 204, 0.15) 1px, transparent 1px);
    background-size: 32px 32px;
    top: -50%;
    left: -50%;
    transform: rotate(-5deg);
    opacity: 0.3;
    pointer-events: none;
}

.hero-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 48px;
    width: 100%;
    position: relative;
    z-index: 2;
    padding-top: 40px;
    padding-bottom: 40px;
}

.hero-content {
    text-align: left;
    max-width: 540px;
    flex-shrink: 0;
}

.hero-title {
    font-size: 52px;
    font-weight: 800;
    color: var(--t-baslik);
    line-height: 1.15;
    margin-bottom: 24px;
    letter-spacing: -1.5px;
}

.hero-desc {
    font-size: 18px;
    color: var(--t-govde);
    margin-bottom: 36px;
    line-height: 1.7;
}

.hero-btns {
    display: flex;
    gap: 16px;
}

/* Hero Visual / İllüstrasyon */
.hero-visual {
    flex: 1;
    max-width: 520px;
    min-width: 0;
}

.hero-illustration {
    width: 100%;
    height: auto;
    display: block;
}

/* ── Hero SVG Animasyonları ── */
@keyframes heroFloat {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-12px); }
}

@keyframes heroChartDraw {
    from { stroke-dashoffset: 600; }
    to   { stroke-dashoffset: 0; }
}

@keyframes heroChartFillReveal {
    from { opacity: 0; }
    to   { opacity: 1; }
}

@keyframes heroBarGrow {
    from { transform: scaleY(0); }
    to   { transform: scaleY(1); }
}

@keyframes heroPulse {
    0%, 100% { opacity: 0.2; transform: scale(1); }
    50%      { opacity: 0.6; transform: scale(1.5); }
}

@keyframes heroDotPop {
    0%   { transform: scale(0); opacity: 0; }
    60%  { transform: scale(1.3); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}

.hero-anim-float {
    animation: heroFloat 5s ease-in-out infinite;
}

.hero-anim-chart-line {
    stroke-dasharray: 600;
    stroke-dashoffset: 600;
    animation: heroChartDraw 2s ease-out 0.4s forwards;
}

.hero-anim-chart-fill {
    opacity: 0;
    animation: heroChartFillReveal 1s ease-out 1.6s forwards;
}

.hero-anim-dots circle {
    transform: scale(0);
    opacity: 0;
    transform-origin: center;
    animation: heroDotPop 0.4s ease-out forwards;
}
.hero-anim-dots circle:nth-child(1) { animation-delay: 0.6s; }
.hero-anim-dots circle:nth-child(2) { animation-delay: 0.8s; }
.hero-anim-dots circle:nth-child(3) { animation-delay: 1.0s; }
.hero-anim-dots circle:nth-child(4) { animation-delay: 1.2s; }
.hero-anim-dots circle:nth-child(5) { animation-delay: 1.4s; }
.hero-anim-dots circle:nth-child(6) { animation-delay: 1.6s; }
.hero-anim-dots circle:nth-child(7) { animation-delay: 1.8s; }

.hero-anim-bar {
    transform-origin: bottom;
    transform: scaleY(0);
    animation: heroBarGrow 0.6s ease-out forwards;
}

.hero-anim-pulse circle {
    animation: heroPulse 3s ease-in-out infinite;
}
.hero-anim-pulse circle:nth-child(2) { animation-delay: 0.6s; }
.hero-anim-pulse circle:nth-child(3) { animation-delay: 1.2s; }
.hero-anim-pulse circle:nth-child(4) { animation-delay: 1.8s; }

/* Services */
.services-section {
    padding: 120px 0;
    background: var(--c-white);
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 70px;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
}

.badge {
    display: inline-block;
    background: rgba(0, 102, 204, 0.06);
    color: var(--c-kurumsal-mavi);
    font-size: 12px;
    font-weight: 700;
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 18px;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    border: 1px solid rgba(0, 102, 204, 0.1);
}

.section-header h2 {
    font-size: 40px;
    font-weight: 800;
    color: var(--t-baslik);
    margin-bottom: 18px;
    letter-spacing: -0.8px;
}

.section-header p {
    font-size: 17px;
    color: var(--t-ikincil);
    line-height: 1.6;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 28px;
}

.service-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(226, 232, 240, 0.8);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--c-kurumsal-mavi), var(--c-aktif-mavi));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 102, 204, 0.2);
    background: var(--c-white);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    width: 56px;
    height: 56px;
    background: rgba(0, 102, 204, 0.05);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    color: var(--c-kurumsal-mavi);
    margin-bottom: 24px;
    transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

.service-card:hover .service-icon {
    background: var(--c-kurumsal-mavi);
    color: var(--c-white);
    transform: rotate(5deg) scale(1.05);
}

.service-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--t-baslik);
    margin-bottom: 12px;
}

.service-desc {
    font-size: 15px;
    color: var(--t-ikincil);
    margin-bottom: 24px;
    line-height: 1.6;
}

.service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--c-kurumsal-mavi);
    font-weight: 600;
    font-size: 14px;
}

.service-link i {
    transition: transform 0.3s;
}

.service-card:hover .service-link i {
    transform: translateX(4px);
}

/* Modal */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(11, 36, 71, 0.4);
    backdrop-filter: blur(4px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s ease;
}

.modal-overlay.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--c-white);
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    border-radius: var(--radius-xl);
    position: relative;
    overflow-y: auto;
    transform: scale(0.95) translateY(20px);
    transition: all 0.3s ease;
    box-shadow: var(--shadow-hover);
}

.modal-overlay.active .modal-content {
    transform: scale(1) translateY(0);
}

.modal-close {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 40px;
    height: 40px;
    background: var(--c-yuzey);
    border: none;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--t-ikincil);
    cursor: pointer;
    transition: all 0.2s;
    z-index: 10;
}

.modal-close:hover {
    background: var(--c-acik-mavi);
    color: var(--c-gece-mavisi);
}

.modal-body {
    padding: 48px;
}

/* Modal Internal Styles mapped to content classes */
.hero-badge {
    display: inline-block;
    background: var(--c-acik-mavi);
    color: var(--c-kurumsal-mavi);
    border: 1px solid var(--s-cta-border);
    border-radius: 100px;
    padding: 6px 16px;
    font-size: 12px;
    font-weight: 600;
    margin-bottom: 1.5rem;
}

.hero-title {
    font-size: 32px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1rem;
    color: var(--c-gece-mavisi);
}

.hero-sub {
    font-size: 16px;
    color: var(--t-govde);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.highlight-box {
    background: var(--c-yuzey);
    border: 1px solid var(--c-border);
    border-left: 4px solid var(--c-kurumsal-mavi);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    padding: 20px 24px;
    margin-bottom: 2rem;
}

.highlight-box p {
    font-size: 15px;
    color: var(--c-gece-mavisi);
    font-weight: 500;
    margin: 0;
}

.section-label {
    font-size: 13px;
    font-weight: 600;
    color: var(--t-ikincil);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1rem;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 16px;
    margin-bottom: 2rem;
}

.card {
    background: var(--c-white);
    border: 1px solid var(--c-border);
    border-radius: var(--radius-md);
    padding: 20px;
    transition: all 0.3s;
}

.card:hover {
    border-color: var(--c-kurumsal-mavi);
    box-shadow: var(--shadow-md);
}

.card-icon {
    font-size: 24px;
    color: var(--c-aktif-mavi);
    margin-bottom: 12px;
    width: 48px;
    height: 48px;
    background: var(--c-acik-mavi);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
}

.card-title {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--t-baslik);
}

.card-text {
    font-size: 14px;
    color: var(--t-ikincil);
}

.steps {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 2.5rem;
}

.inner-page-content {
    padding-top: 120px;
    padding-bottom: 60px;
    min-height: calc(100vh - 200px);
}


.step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.step-num {
    min-width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--c-acik-mavi);
    color: var(--c-kurumsal-mavi);
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
}

.step-content .step-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--t-baslik);
    margin-bottom: 4px;
}

.step-content .step-desc {
    font-size: 14px;
    color: var(--t-govde);
}

.tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 1rem 0;
}

.tag {
    background: var(--c-yuzey);
    border: 1px solid var(--c-border);
    border-radius: 100px;
    padding: 6px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--t-govde);
}

.divider {
    border: none;
    border-top: 1px solid var(--c-border);
    margin: 2rem 0;
}

.cta-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    margin-top: 2rem;
}

.cta-primary {
    background: var(--c-kurumsal-mavi);
    color: var(--c-white);
    border: none;
    border-radius: var(--radius-md);
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.cta-primary:hover {
    background: var(--c-aktif-mavi);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.cta-secondary {
    background: transparent;
    color: var(--c-kurumsal-mavi);
    border: 1px solid var(--c-kurumsal-mavi);
    border-radius: var(--radius-md);
    padding: 12px 24px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.cta-secondary:hover {
    background: var(--c-acik-mavi);
}

/* Contact */
.contact-section {
    padding: 100px 0;
    background: var(--c-yuzey);
}

.contact-card {
    background: var(--c-gece-mavisi);
    border-radius: var(--radius-xl);
    padding: 60px;
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: start;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.contact-form-container {
    position: relative;
    z-index: 2;
}

.contact-form .form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.contact-form .form-group {
    margin-bottom: 20px;
    text-align: left;
}

.contact-form .form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    margin-bottom: 8px;
    color: var(--c-white);
}

.contact-form .form-control {
    width: 100%;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    color: var(--c-white);
    font-family: inherit;
    font-size: 15px;
    transition: all 0.3s;
}

.contact-form .form-control::placeholder {
    color: rgba(255, 255, 255, 0.4);
}

.contact-form .form-control:focus {
    outline: none;
    border-color: var(--c-kurumsal-mavi);
    background: rgba(255, 255, 255, 0.12);
}

.contact-form .form-control option {
    background: var(--c-gece-mavisi);
    color: var(--c-white);
}

.contact-form textarea.form-control {
    resize: vertical;
    min-height: 100px;
}

.btn-block {
    width: 100%;
    display: block;
}


.contact-card::after {
    content: '';
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(21, 96, 160, 0.4) 0%, rgba(11, 36, 71, 0) 70%);
    top: -200px;
    right: -200px;
    border-radius: 50%;
}

.contact-info {
    position: relative;
    z-index: 2;
    color: var(--c-white);
    max-width: 600px;
}

.contact-info h2 {
    color: var(--c-white);
    font-size: 36px;
    margin-bottom: 16px;
}

.contact-info p {
    font-size: 18px;
    color: var(--c-acik-mavi);
    margin-bottom: 40px;
    opacity: 0.9;
}

.contact-items {
    display: flex;
    gap: 32px;
    justify-content: flex-start;
    flex-wrap: wrap;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: rgba(255, 255, 255, 0.1);
    padding: 16px 32px;
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s;
}

.contact-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-3px);
}

.contact-item .contact-icon {
    width: 48px;
    height: 48px;
    background: var(--c-kurumsal-mavi);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    color: var(--c-white);
}

.contact-item div {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.contact-item span {
    font-size: 13px;
    color: var(--c-acik-mavi);
    opacity: 0.8;
}

.contact-item strong {
    font-size: 16px;
    color: var(--c-white);
    font-weight: 600;
}

/* Footer */
.footer {
    background: var(--c-gece-mavisi);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 24px 0;
}

.footer-bottom {
    text-align: center;
    color: var(--c-acik-mavi);
    font-size: 14px;
    opacity: 0.7;
}

/* Responsive */
@media (max-width: 768px) {
    .nav-links, .navbar .btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }

    .slide-title {
        font-size: 40px;
    }

    .slide-desc {
        font-size: 16px;
    }

    .slide-btns {
        flex-direction: column;
    }

    .modal-body {
        padding: 24px;
    }

    .contact-card {
        grid-template-columns: 1fr;
        padding: 40px 24px;
        gap: 30px;
    }

    .contact-form .form-row {
        grid-template-columns: 1fr;
        gap: 0;
    }

    .contact-items {
        flex-direction: column;
        gap: 16px;
    }
}

/* Floating BG Shapes */
.hero-bg-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.hero-bg-shapes .shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.5;
}

.shape-1 {
    width: 300px;
    height: 300px;
    background: rgba(0, 102, 204, 0.12);
    top: -50px;
    right: 10%;
    animation: float-1 20s infinite alternate ease-in-out;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: rgba(51, 153, 255, 0.1);
    bottom: -100px;
    left: 5%;
    animation: float-2 25s infinite alternate ease-in-out;
}

.shape-3 {
    width: 250px;
    height: 250px;
    background: rgba(11, 25, 44, 0.05);
    top: 40%;
    left: 45%;
    animation: float-3 18s infinite alternate ease-in-out;
}

@keyframes float-1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-50px, 80px) scale(1.2); }
}

@keyframes float-2 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(60px, -60px) scale(0.9); }
}

@keyframes float-3 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(-30px, -40px) scale(1.1); }
}