:root {
    --bg-color: #0d1117;
    --card-bg: rgba(22, 27, 34, 0.7);
    --primary: #10b981;
    --primary-dark: #059669;
    --accent: #3b82f6;
    --text-main: #f0f6fc;
    --text-muted: #8b949e;
    --border: rgba(255, 255, 255, 0.1);
    --glow: rgba(16, 185, 129, 0.5);
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* Background Effects */
.glass-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: -2;
    background: radial-gradient(circle at center, #1b273b, var(--bg-color) 70%);
}

.blob {
    position: fixed;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.5;
    animation: float 20s infinite ease-in-out alternate;
}

.blob-1 {
    width: 400px;
    height: 400px;
    background: rgba(16, 185, 129, 0.15);
    top: -100px;
    left: -100px;
}

.blob-2 {
    width: 500px;
    height: 500px;
    background: rgba(59, 130, 246, 0.15);
    bottom: -200px;
    right: -100px;
    animation-delay: -5s;
}

@keyframes float {
    0% { transform: translate(0, 0) rotate(0deg); }
    100% { transform: translate(50px, 50px) rotate(15deg); }
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

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

/* Navigation */
.navbar {
    padding: 1.5rem 0;
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    backdrop-filter: blur(10px);
    background: rgba(13, 17, 23, 0.8);
    border-bottom: 1px solid var(--border);
    transition: all 0.3s ease;
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    letter-spacing: -0.05em;
}

.logo span {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    transition: color 0.3s;
}

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

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
    font-family: var(--font-heading);
    cursor: pointer;
    border: none;
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-primary {
    background-color: var(--primary);
    color: #fff !important;
    box-shadow: 0 4px 14px 0 var(--glow);
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.6);
}

.btn-gradient {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.4);
}

.btn-gradient:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(59, 130, 246, 0.6);
}

.btn-outline {
    background: transparent;
    color: var(--text-main) !important;
    border: 1px solid var(--border);
}

.btn-outline:hover {
    background: var(--card-bg);
    border-color: var(--text-muted);
}

/* Hero Section */
.hero-section {
    padding-top: 10rem;
    padding-bottom: 5rem;
}

.badge {
    display: inline-block;
    padding: 0.5rem 1rem;
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid rgba(16, 185, 129, 0.3);
    border-radius: 50px;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 2rem;
}

.hero-title {
    font-family: var(--font-heading);
    font-size: 4.5rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--primary), #34d399, var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 3rem auto;
}

.cta-group {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.arrow { transition: transform 0.3s; display: inline-block; }
.hover-trigger:hover .arrow { transform: translateX(5px); }

/* Sections */
.info-section, .how-to-section {
    padding: 6rem 0;
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 800;
}

.section-description {
    color: var(--text-muted);
    font-size: 1.1rem;
    margin-bottom: 3rem;
}

/* Grids & Cards */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.glass-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 20px;
    padding: 2rem;
    backdrop-filter: blur(12px);
}

.hover-lift {
    transition: transform 0.3s, box-shadow 0.3s;
}

.hover-lift:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Features inside Proje Hakkında */
.feature-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.feature-list li {
    display: flex;
    gap: 1.5rem;
}

.icon-box {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    border-radius: 16px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feature-text h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
}

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

/* Image Placeholder styling */
.visual-placeholder {
    width: 100%;
    border-radius: 12px;
    overflow: hidden;
}

.visual-placeholder img {
    width: 100%;
    height: auto;
    display: block;
    transition: transform 0.5s;
}

.visual-placeholder:hover img {
    transform: scale(1.05);
}

/* How to Section */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 4rem;
}

.step-card {
    text-align: left;
    position: relative;
    padding: 3rem 2rem 2rem 2rem;
}

.step-number {
    position: absolute;
    top: -20px;
    left: 20px;
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 800;
    color: rgba(255, 255, 255, 0.05);
    line-height: 1;
}

.step-card h3 {
    font-family: var(--font-heading);
    margin-bottom: 1rem;
    font-size: 1.3rem;
    color: var(--primary);
}

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

.marker-container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

.marker-container h3 {
    font-family: var(--font-heading);
    margin-bottom: 0.5rem;
}

.marker-container p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.hiro-marker {
    width: 200px;
    border: 4px solid #fff;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

/* Footer */
.footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border);
    margin-top: 4rem;
}

.footer p {
    color: var(--text-muted);
    margin: 1rem 0;
}

.copyright {
    color: rgba(255, 255, 255, 0.3);
    font-size: 0.85rem;
}

/* Simple Animations */
.fade-in-up {
    animation: fadeInUp 1s ease-out forwards;
}

.fade-in-left {
    animation: fadeInLeft 1s ease-out forwards;
}

.fade-in-right {
    animation: fadeInRight 1s ease-out forwards;
}

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

@keyframes fadeInLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

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

/* Responsive */
@media (max-width: 900px) {
    .grid-2 { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 3rem; }
}

@media (max-width: 600px) {
    .nav-links { display: none; }
    .hero-title { font-size: 2.5rem; }
    .cta-group { flex-direction: column; }
}