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

:root {
    --primary-blue: #3b82f6;
    --primary-blue-glow: #60a5fa;
    --primary-blue-dark: #2563eb;
    --secondary-blue: #1d4ed8;
    --dark-bg: #0a0a0a;
    --dark-card: #1a1a1a;
    --dark-card-border: #2a2a2a;
    --text-white: #ffffff;
    --text-gray: #a0a0a0;
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--dark-bg);
    color: var(--text-white);
    overflow-x: hidden;
    min-height: 100vh;
    position: relative;
    user-select: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
}

.background-gradient {
    position: fixed;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    background: radial-gradient(ellipse at top right, rgba(59, 130, 246, 0.15) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.container {
    display: flex;
    min-height: 100vh;
    position: relative;
    z-index: 1;
    padding: 2rem;
    gap: 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Sol Bölüm */
.left-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 2rem;
    position: relative;
}

.logo-container {
    margin-bottom: 3rem;
    position: relative;
}

.logo-hexagon {
    position: relative;
    width: 100px;
    height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hexagon-layer {
    position: absolute;
    width: 100%;
    height: 100%;
    clip-path: polygon(30% 0%, 70% 0%, 100% 50%, 70% 100%, 30% 100%, 0% 50%);
    animation: hexagonGlow 3s ease-in-out infinite;
}

.layer-1 {
    background: var(--primary-blue);
    opacity: 0.3;
    animation-delay: 0s;
}

.layer-2 {
    background: var(--primary-blue-glow);
    opacity: 0.5;
    transform: scale(0.9);
    animation-delay: 0.5s;
}

.layer-3 {
    background: var(--primary-blue-dark);
    opacity: 0.7;
    transform: scale(0.8);
    animation-delay: 1s;
}

.logo-letter {
    position: relative;
    z-index: 10;
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--text-white);
    text-shadow: 0 0 20px rgba(59, 130, 246, 0.8);
}

@keyframes hexagonGlow {
    0%, 100% {
        opacity: 0.3;
        filter: blur(5px);
    }
    50% {
        opacity: 0.7;
        filter: blur(10px);
    }
}

.main-title {
    margin-bottom: 1.5rem;
}

.title-white,
.title-blue {
    font-size: 5rem;
    font-weight: 800;
    line-height: 1;
    margin: 0;
}

.title-white {
    color: var(--text-white);
}

.title-blue {
    color: var(--primary-blue);
    text-shadow: 0 0 30px rgba(59, 130, 246, 0.8), 0 0 60px rgba(59, 130, 246, 0.4);
    animation: textGlow 2s ease-in-out infinite;
}

@keyframes textGlow {
    0%, 100% {
        text-shadow: 0 0 30px rgba(59, 130, 246, 0.8), 0 0 60px rgba(59, 130, 246, 0.4);
    }
    50% {
        text-shadow: 0 0 40px rgba(59, 130, 246, 1), 0 0 80px rgba(59, 130, 246, 0.6);
    }
}

.tagline {
    font-size: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.tagline-white {
    color: var(--text-white);
}

.tagline-divider {
    color: var(--text-white);
}

.tagline-blue {
    color: var(--primary-blue);
    text-shadow: 0 0 15px rgba(59, 130, 246, 0.6);
    font-weight: 600;
}

.left-glow {
    position: absolute;
    top: 0;
    left: -10%;
    width: 40%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.2) 0%, transparent 70%);
    filter: blur(60px);
    pointer-events: none;
    animation: glowPulse 4s ease-in-out infinite;
}

@keyframes glowPulse {
    0%, 100% {
        opacity: 0.5;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.1);
    }
}

/* Sağ Bölüm */
.right-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.5rem;
    padding: 2rem;
}

.feature-card {
    background: var(--dark-card);
    border: 1px solid var(--dark-card-border);
    border-radius: 16px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    cursor: pointer;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(59, 130, 246, 0.1), transparent);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.feature-card:hover::before {
    transform: translateX(100%);
}

.feature-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 0 30px rgba(59, 130, 246, 0.3), inset 0 0 30px rgba(59, 130, 246, 0.1);
    transform: translateX(5px);
}

.card-number {
    position: absolute;
    top: 1rem;
    left: 1.5rem;
    font-size: 0.9rem;
    font-weight: 700;
    color: rgba(59, 130, 246, 0.4);
}

.card-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    color: var(--primary-blue);
    filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.6));
    transition: all 0.3s ease;
}

.feature-card:hover .card-icon {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 0 15px rgba(59, 130, 246, 1));
}

.card-icon svg {
    width: 100%;
    height: 100%;
}

.card-content {
    flex: 1;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-white);
    margin-bottom: 0.5rem;
}

.card-description {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.5;
}

/* CTA Button */
.cta-button {
    background: linear-gradient(135deg, var(--primary-blue) 0%, var(--primary-blue-dark) 100%);
    border: none;
    border-radius: 16px;
    padding: 2rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    margin-top: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 0 40px rgba(59, 130, 246, 0.5);
    text-decoration: none;
    color: inherit;
    outline: none;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 60px rgba(59, 130, 246, 0.8), 0 10px 30px rgba(0, 0, 0, 0.3);
}

.cta-button:active {
    transform: translateY(-1px);
}

.button-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.3) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
}

.cta-button:hover .button-glow {
    opacity: 1;
    animation: glowRotate 3s linear infinite;
}

@keyframes glowRotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.cta-content {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.cta-main-text {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-white);
}

.cta-sub-text {
    font-size: 1rem;
    color: rgba(255, 255, 255, 0.8);
}

.cta-icon {
    width: 32px;
    height: 32px;
    min-width: 32px;
    color: var(--text-white);
    filter: drop-shadow(0 0 10px rgba(255, 255, 255, 0.5));
    transition: all 0.3s ease;
}

.cta-button:hover .cta-icon {
    transform: translateX(5px) scale(1.1);
}

.cta-icon svg {
    width: 100%;
    height: 100%;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .container {
        flex-direction: column;
        gap: 2rem;
    }
    
    .title-white,
    .title-blue {
        font-size: 4rem;
    }
    
    .left-section {
        padding: 1rem;
    }
    
    .right-section {
        padding: 1rem;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
        gap: 2rem;
    }
    
    .title-white,
    .title-blue {
        font-size: 3rem;
    }
    
    .tagline {
        font-size: 1.25rem;
        flex-wrap: wrap;
    }
    
    .feature-card {
        padding: 1.25rem;
    }
    
    .cta-button {
        padding: 1.5rem;
    }
    
    .cta-main-text {
        font-size: 1.25rem;
    }
    
    .cta-sub-text {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .title-white,
    .title-blue {
        font-size: 2.5rem;
    }
    
    .logo-hexagon {
        width: 80px;
        height: 80px;
    }
    
    .logo-letter {
        font-size: 2.5rem;
    }
    
    .card-icon {
        width: 40px;
        height: 40px;
        min-width: 40px;
    }
    
    .card-title {
        font-size: 1.1rem;
    }
    
    .card-description {
        font-size: 0.85rem;
    }
}

/* Animasyonlar */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.feature-card {
    animation: fadeIn 0.6s ease-out backwards;
}

.feature-card[data-card="1"] {
    animation-delay: 0.1s;
}

.feature-card[data-card="2"] {
    animation-delay: 0.2s;
}

.feature-card[data-card="3"] {
    animation-delay: 0.3s;
}

.cta-button {
    animation: fadeIn 0.6s ease-out 0.4s backwards;
}