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

:root {
    /* Logo ile uyumlu renkler - Altın, Cyan ve Koyu Mavi tonları */
    --primary-gold: #D4AF37;
    --primary-cyan: #00E5FF;
    --primary-teal: #00BCD4;
    --dark-bg: #0A1628;
    --darker-bg: #050B14;
    --card-bg: rgba(10, 22, 40, 0.8);
    --text-white: #FFFFFF;
    --text-gray: #B0BEC5;
    --gradient-1: linear-gradient(135deg, #D4AF37 0%, #FFD700 100%);
    --gradient-2: linear-gradient(135deg, #00E5FF 0%, #00BCD4 100%);
    --gradient-3: linear-gradient(135deg, #0A1628 0%, #1A2F4A 100%);
    --glow-cyan: 0 0 20px rgba(0, 229, 255, 0.5);
    --glow-gold: 0 0 20px rgba(212, 175, 55, 0.5);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--darker-bg);
    color: var(--text-white);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: 80px 0;
    overflow: hidden;
}

/* Logo */
.logo-container {
    text-align: center;
    margin-bottom: 40px;
    animation: float 6s ease-in-out infinite;
}

.logo {
    width: 180px;
    height: 180px;
    object-fit: contain;
    filter: drop-shadow(var(--glow-cyan));
    transition: transform 0.3s ease;
}

.logo:hover {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 0 30px rgba(0, 229, 255, 0.8));
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-20px);
    }
}

/* Hero Content */
.hero-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.hero-title {
    font-size: 4.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.1;
    animation: fadeInUp 1s ease;
}

.gradient-text {
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    text-shadow: var(--glow-gold);
    animation: glow-pulse 3s ease-in-out infinite;
}

@keyframes glow-pulse {
    0%, 100% {
        filter: drop-shadow(0 0 10px rgba(212, 175, 55, 0.5));
    }
    50% {
        filter: drop-shadow(0 0 25px rgba(212, 175, 55, 0.8));
    }
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--primary-cyan);
    margin-bottom: 20px;
    animation: fadeInUp 1s ease 0.2s both;
    text-shadow: var(--glow-cyan);
}

.hero-description {
    font-size: 1.15rem;
    color: var(--text-gray);
    line-height: 1.8;
    margin-bottom: 50px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    animation: fadeInUp 1s ease 0.4s both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Download Buttons */
.download-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 80px;
}

.download-btn {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 18px 35px;
    border-radius: 16px;
    text-decoration: none;
    color: var(--text-white);
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
    border: 2px solid transparent;
}

.download-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-3);
    z-index: -1;
    transition: opacity 0.3s ease;
}

.google-play {
    background: rgba(212, 175, 55, 0.1);
    border-color: var(--primary-gold);
}

.google-play:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow-gold), 0 10px 40px rgba(212, 175, 55, 0.3);
    border-color: #FFD700;
}

.app-store {
    background: rgba(0, 229, 255, 0.1);
    border-color: var(--primary-cyan);
}

.app-store:hover {
    transform: translateY(-5px);
    box-shadow: var(--glow-cyan), 0 10px 40px rgba(0, 229, 255, 0.3);
    border-color: #00FFFF;
}

.btn-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
}

.btn-text {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    line-height: 1.3;
}

.btn-small {
    font-size: 0.75rem;
    font-weight: 400;
    opacity: 0.8;
}

.btn-large {
    font-size: 1.1rem;
    font-weight: 700;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.feature-card {
    background: var(--card-bg);
    border: 1px solid rgba(0, 229, 255, 0.2);
    border-radius: 20px;
    padding: 35px 25px;
    text-align: center;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-2);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

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

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--primary-cyan);
    box-shadow: var(--glow-cyan), 0 20px 50px rgba(0, 229, 255, 0.2);
}

.feature-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 20px;
    background: var(--gradient-2);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: rotateY(360deg);
}

.feature-icon svg {
    width: 35px;
    height: 35px;
    color: var(--text-white);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
    color: var(--text-white);
}

.feature-card p {
    font-size: 0.95rem;
    color: var(--text-gray);
    line-height: 1.6;
}

/* Animated Background */
.bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: 1;
    pointer-events: none;
}

.orbit {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 1px solid rgba(0, 229, 255, 0.2);
    border-radius: 50%;
    animation: rotate 30s linear infinite;
}

.orbit-1 {
    width: 300px;
    height: 300px;
    animation-duration: 25s;
}

.orbit-2 {
    width: 500px;
    height: 500px;
    animation-duration: 35s;
    animation-direction: reverse;
}

.orbit-3 {
    width: 700px;
    height: 700px;
    animation-duration: 45s;
}

@keyframes rotate {
    from {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    to {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

.particle {
    position: absolute;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary-cyan);
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.8);
    animation: float-particle 15s ease-in-out infinite;
}

.particle-1 {
    top: 20%;
    left: 15%;
    animation-delay: 0s;
}

.particle-2 {
    top: 40%;
    right: 20%;
    animation-delay: 2s;
    background: var(--primary-gold);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.8);
}

.particle-3 {
    bottom: 30%;
    left: 25%;
    animation-delay: 4s;
}

.particle-4 {
    top: 60%;
    right: 15%;
    animation-delay: 1s;
    background: var(--primary-gold);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.8);
}

.particle-5 {
    bottom: 20%;
    right: 30%;
    animation-delay: 3s;
}

.particle-6 {
    top: 15%;
    right: 40%;
    animation-delay: 5s;
    background: var(--primary-gold);
    box-shadow: 0 0 20px rgba(212, 175, 55, 0.8);
}

@keyframes float-particle {
    0%, 100% {
        transform: translate(0, 0);
        opacity: 0.3;
    }
    25% {
        transform: translate(50px, -50px);
        opacity: 0.8;
    }
    50% {
        transform: translate(-30px, -80px);
        opacity: 0.5;
    }
    75% {
        transform: translate(70px, -30px);
        opacity: 0.9;
    }
}

/* Footer */
.footer {
    background: var(--darker-bg);
    border-top: 1px solid rgba(0, 229, 255, 0.2);
    padding: 30px 0;
    text-align: center;
    position: relative;
    z-index: 2;
}

.footer p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-description {
        font-size: 1rem;
    }

    .logo {
        width: 140px;
        height: 140px;
    }

    .download-buttons {
        flex-direction: column;
        align-items: center;
    }

    .download-btn {
        width: 100%;
        max-width: 300px;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .orbit {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1rem;
    }

    .logo {
        width: 120px;
        height: 120px;
    }

    .feature-card {
        padding: 25px 20px;
    }
}

/* Scroll animations */
[data-aos] {
    opacity: 0;
    transition: opacity 0.8s ease, transform 0.8s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.8);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}