/* CSS Variables for Corporate Light Theme */
:root {
    --primary: #0F62FE; /* IBM Corporate Blue */
    --primary-light: #4589FF;
    --primary-dark: #001D6C;
    --text-main: #121619;
    --text-muted: #525C67;
    --bg-page: #FFFFFF;
    --bg-light: #F4F7FB;
    --card-bg: rgba(255, 255, 255, 0.96);
    --border-color: #E2E8F0;
    
    --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 25px -5px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
    
    --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;
}

/* Reset & Basic Setup */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    color: var(--text-main);
    background-color: var(--bg-page);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, .logo {
    font-family: var(--font-heading);
    color: var(--text-main);
    line-height: 1.2;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

.highlight {
    color: var(--primary);
}

.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    border-radius: 16px;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-family: var(--font-sans);
}

.btn-primary {
    background-color: var(--primary);
    color: white;
    box-shadow: 0 8px 16px rgba(15, 98, 254, 0.25);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 20px rgba(15, 98, 254, 0.35);
}

.btn-outline {
    background-color: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background-color: rgba(15, 98, 254, 0.05);
}

.btn-outline-white {
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border: 2px solid white;
}

.btn-outline-white:hover {
    background-color: white;
    color: var(--primary);
}

.btn-large {
    padding: 16px 32px;
    font-size: 1.1rem;
    border-radius: 12px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
    padding: 20px 0;
}

.navbar.scrolled {
    padding: 12px 0;
    box-shadow: var(--shadow-sm);
}

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

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--primary-dark);
}

.logo i {
    color: var(--primary);
    font-size: 1.8rem;
}

.logo span {
    color: var(--primary);
}

.nav-links {
    display: flex;
    gap: 32px;
}

.nav-links a {
    font-weight: 500;
    color: var(--text-muted);
}

.nav-links a:hover {
    color: var(--primary);
}

.mobile-toggle {
    display: none;
    font-size: 1.8rem;
    background: none;
    border: none;
    color: var(--text-main);
    cursor: pointer;
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: 140px;
    padding-bottom: 80px;
    min-height: 88vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: linear-gradient(180deg, #F7F9FC 0%, #FFFFFF 100%);
}

.hero-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
}

.badge {
    display: inline-block;
    padding: 8px 14px;
    background: var(--bg-light);
    color: var(--primary-dark);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.85rem;
    letter-spacing: 0.02em;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    max-width: 100%;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 40px;
}

.hero-trust {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    color: var(--text-muted);
    font-size: 0.95rem;
    font-weight: 500;
}

.hero-trust span {
    display: flex;
    align-items: center;
    gap: 8px;
}

.hero-trust i {
    color: #10B981;
    font-size: 1.2rem;
}

.hero-image {
    position: relative;
    width: 100%;
    display: flex;
    justify-content: center;
}

.blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(90px);
    z-index: 0;
    opacity: 0.16;
}

.blob-1 {
    top: 8%;
    right: 8%;
    width: 240px;
    height: 240px;
    background: #0F62FE;
}

.blob-2 {
    bottom: -8%;
    left: 18%;
    width: 220px;
    height: 220px;
    background: #B8C8E6;
}

.mockup-container {
    position: relative;
    z-index: 1;
    width: 100%;
    max-width: 500px;
}

.app-mockup {
    width: 100%;
    height: auto;
    border-radius: 24px;
    display: block;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.app-mockup:hover {
    transform: translateY(-4px);
}

.floating-badge {
    position: absolute;
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 14px 18px;
    right: -12px;
    bottom: 24px;
}

.floating-badge h4 {
    font-size: 0.95rem;
    margin-bottom: 2px;
}

.floating-badge p {
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.9rem;
}

.badge-icon {
    width: 42px;
    height: 42px;
    background: rgba(15, 98, 254, 0.08);
    color: var(--primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

/* Base Sections */
.section {
    padding: 100px 0;
}

.bg-light {
    background-color: var(--bg-light);
}

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

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 16px;
}

.section-header p {
    font-size: 1.1rem;
    color: var(--text-muted);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 32px;
}

.feature-card {
    background: white;
    padding: 40px 32px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    transition: var(--transition);
    min-height: 100%;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: rgba(15, 98, 254, 0.1);
    color: var(--primary);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin-bottom: 24px;
}

.feature-card h3 {
    font-size: 1.3rem;
    margin-bottom: 16px;
}

.feature-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* =========================================
   SEKTÖRLER SECTION
   ========================================= */
.sectors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 24px;
}

.sector-card {
    background: white;
    padding: 32px 28px;
    border-radius: 16px;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.sector-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-light);
}

.sector-icon {
    font-size: 2.5rem;
    margin-bottom: 16px;
    line-height: 1;
}

.sector-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--text-main);
}

.sector-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.sector-card--cta {
    background: linear-gradient(135deg, rgba(15, 98, 254, 0.05) 0%, rgba(15, 98, 254, 0.12) 100%);
    border-color: rgba(15, 98, 254, 0.2);
}

.sector-card--cta:hover {
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(15, 98, 254, 0.08) 0%, rgba(15, 98, 254, 0.18) 100%);
}

/* Gallery / Showcase Section */
.gallery-tabs {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 40px;
}

.tab-btn {
    padding: 12px 24px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: 100px;
    cursor: pointer;
    font-weight: 600;
    color: var(--text-muted);
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1.05rem;
}

.tab-btn i {
    font-size: 1.3rem;
}

.tab-btn:hover {
    border-color: var(--primary-light);
    color: var(--text-main);
}

.tab-btn.active {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
    box-shadow: 0 4px 16px rgba(15, 98, 254, 0.3);
}

.tab-content {
    display: none;
    animation: tabFadeIn 0.5s ease forwards;
}

.tab-content.active {
    display: block;
}

@keyframes tabFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
}

.gallery-item {
    border-radius: 20px;
    overflow: hidden;
    padding: 16px;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    border: 1px solid var(--border-color);
}

.gallery-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}

.gallery-img-wrapper {
    position: relative;
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
    background: #f8fafc;
}

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

.gallery-item:hover .gallery-img-wrapper img {
    transform: scale(1.03);
}

.gallery-badge {
    position: absolute;
    bottom: 16px;
    left: 16px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(8px);
    padding: 8px 16px;
    border-radius: 100px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--primary-dark);
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: var(--shadow-sm);
}

.gallery-badge i {
    color: var(--primary);
    font-size: 1.1rem;
}

/* Benefits Section */
.benefits-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.comparison-card {
    background: white;
    padding: 0;
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.bad-way, .good-way {
    padding: 32px;
}

.bad-way {
    background: white;
    border-bottom: 1px solid var(--border-color);
}

.good-way {
    background: linear-gradient(180deg, #0F62FE 0%, #0B4FD1 100%);
    color: white;
}

.comparison-card h4 {
    color: inherit;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.bad-way ul li, .good-way ul li {
    padding: 8px 0;
    font-weight: 500;
}

.good-way ul li {
    font-weight: 600;
}

.benefits-content h2 {
    font-size: 2.5rem;
    margin-bottom: 24px;
}

.benefits-content > p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 40px;
}

.benefit-list li {
    display: flex;
    gap: 16px;
    margin-bottom: 24px;
}

.benefit-list i {
    font-size: 1.8rem;
    color: var(--primary);
    flex-shrink: 0;
}

.benefit-list strong {
    font-size: 1.2rem;
    display: block;
    margin-bottom: 8px;
    color: var(--text-main);
}

.benefit-list p {
    color: var(--text-muted);
}

/* CTA Section */
.cta {
    padding: 60px 0;
}

.cta-wrapper {
    background: var(--primary);
    background-image: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 60px 40px;
    text-align: center;
    border-radius: 24px;
    position: relative;
    overflow: hidden;
    border: none;
}

.cta-wrapper h2 {
    color: white;
    font-size: 2.5rem;
    margin-bottom: 20px;
    position: relative;
    z-index: 2;
}

.cta-wrapper p {
    font-size: 1.1rem;
    opacity: 0.9;
    max-width: 600px;
    margin: 0 auto 40px;
    position: relative;
    z-index: 2;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 24px;
    position: relative;
    z-index: 2;
}

/* Footer */
footer {
    background-color: var(--text-main);
    color: white;
    padding: 80px 0 30px;
}

.footer-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    color: white;
    margin-bottom: 16px;
}

.footer-brand .logo span {
    color: #4589FF;
}

.footer-brand p {
    color: #A0AAB2;
    max-width: 300px;
}

.footer-links h4, .footer-contact h4 {
    color: white;
    font-size: 1.1rem;
    margin-bottom: 24px;
}

.footer-links ul li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #A0AAB2;
}

.footer-links a:hover {
    color: white;
}

.footer-contact p {
    color: #A0AAB2;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #A0AAB2;
    font-size: 0.9rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Mobile Responsiveness */
@media screen and (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .hero-wrapper, .benefits-wrapper {
        grid-template-columns: 1fr;
    }
    
    .hero-image {
        margin-top: 40px;
    }
    
    .app-mockup {
        transform: none !important;
    }
    
    .footer-wrapper {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .sectors-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    }
}

@media screen and (max-width: 768px) {
    .nav-links, .nav-cta {
        display: none;
    }
    
    .mobile-toggle {
        display: block;
    }
    
    .navbar.mobile-active .nav-links {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: white;
        padding: 24px;
        box-shadow: var(--shadow-md);
    }
    
    .hero-actions, .cta-buttons {
        flex-direction: column;
    }
    
    .floating-badge {
        right: 10px;
        bottom: 10px;
    }

    .sectors-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media screen and (max-width: 480px) {
    .sectors-grid {
        grid-template-columns: 1fr;
    }
}