@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

:root {
    --bg-dark: #fbfbfb;  /* Etkili beyaz/açık arkaplan */
    --bg-card: rgba(255, 255, 255, 0.85); /* Aydınlık cam görünüm */
    --primary: #f05a28;  /* Broşürdeki canlı turuncu */
    --secondary: #1a1a1a;  /* Koyu füme / Siyah kontrast */
    --primary-glow: rgba(240, 90, 40, 0.4);
    --text-main: #0f172a; /* Ana metin rengi koyu */
    --text-muted: #475569; /* Pasif metin rengi açık koyu */
    --glass-border: rgba(0, 0, 0, 0.08); /* Siyah transparan sınır */
    --glass-bg: rgba(255, 255, 255, 0.9);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

/* Background Gradients */
.bg-glow {
    position: fixed;
    top: -10%;
    left: -10%;
    width: 50vw;
    height: 50vw;
    background: radial-gradient(circle, rgba(240, 90, 40, 0.18) 0%, rgba(251, 251, 251, 0) 70%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

.bg-glow-2 {
    position: fixed;
    bottom: -10%;
    right: -10%;
    width: 60vw;
    height: 60vw;
    background: radial-gradient(circle, rgba(26, 26, 26, 0.12) 0%, rgba(251, 251, 251, 0) 70%);
    border-radius: 50%;
    z-index: -1;
    pointer-events: none;
}

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

/* Header & Nav */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1.5rem 0;
    z-index: 1000;
    transition: all 0.4s ease;
}

header.scrolled {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--glass-border);
    padding: 1rem 0;
}

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

.logo {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-main);
    text-decoration: none;
    letter-spacing: 1px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.logo-img {
    height: 70px;
    width: auto;
    max-width: 250px;
    object-fit: contain;
    display: block;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-muted);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
    position: relative;
}

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

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0%;
    height: 2px;
    background: var(--primary);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.contact-btn {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff !important;
    padding: 0.6rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
    box-shadow: 0 4px 15px var(--primary-glow);
    transition: transform 0.3s ease, box-shadow 0.3s ease !important;
}

.contact-btn::after {
    display: none !important;
}

.contact-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

/* Hamburger */
.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 1.5rem;
}

/* Details Section (Used across pages) */
.glass-card {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 2.5rem;
    margin-bottom: 2rem;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    border-color: rgba(14, 165, 233, 0.3);
}

.glass-card h3 {
    color: var(--primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display:flex;
    align-items: center;
    gap: 0.5rem;
}

/* Slider Container */
.slider-container {
    position: relative;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
    background: radial-gradient(circle at right, rgba(240, 90, 40, 0.05) 0%, transparent 50%);
    padding-top: 5rem;
}

.slide {
    position: absolute;
    top: 5rem;
    left: 0;
    width: 100%;
    height: calc(100vh - 5rem);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.8s ease-in-out, visibility 0.8s;
}

.slide-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    width: 100%;
    padding: 0 4rem;
}

.slide.active {
    opacity: 1;
    visibility: visible;
    z-index: 2;
}

.slide .hero-content {
    flex: 1;
    transform: translateY(30px);
    opacity: 0;
    transition: all 0.8s ease 0.3s;
}

.slide.active .hero-content {
    transform: translateY(0);
    opacity: 1;
}

.slide-image {
    flex: 1;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    transform: translateX(50px);
    opacity: 0;
    transition: all 0.8s ease 0.3s;
}

.slide.active .slide-image {
    transform: translateX(0);
    opacity: 1;
}

.slide-image img {
    max-width: 90%;
    max-height: 60vh;
    border-radius: 20px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.1);
    object-fit: contain;
}

/* Slider Controls */
.slider-prev, .slider-next {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--primary);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    z-index: 10;
    transition: all 0.3s;
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: center;
}
.slider-prev:hover, .slider-next:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-50%) scale(1.1);
}
.slider-prev { left: 3%; }
.slider-next { right: 3%; }

.slider-dots {
    position: absolute;
    bottom: 3rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 10;
}
.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(240, 90, 40, 0.3);
    cursor: pointer;
    transition: all 0.3s;
}
.dot.active {
    background: var(--primary);
    transform: scale(1.3);
}

/* Hero Content (Used in slider) */

.hero-content {
    max-width: 600px;
}

.tagline {
    color: var(--primary);
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    font-size: 1rem;
    margin-bottom: 1.5rem;
    display: block;
}

.hero-content h1 {
    font-size: 4rem;
    line-height: 1.25;
    margin-bottom: 1.5rem;
    background: linear-gradient(to right, #000, var(--text-muted));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-content p {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}

.btn-group {
    display: flex;
    gap: 1rem;
}

.btn-outline {
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 0.8rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.btn-outline:hover {
    background: rgba(14, 165, 233, 0.1);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: #fff;
    padding: 0.8rem 2rem;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    box-shadow: 0 4px 15px var(--primary-glow);
    transition: all 0.3s ease;
}
.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.6);
}

/* Feature Grid */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    padding: 4rem 0;
}

/* Footer */
footer {
    border-top: 1px solid var(--glass-border);
    padding: 3rem 0;
    margin-top: 4rem;
    background: rgba(11, 17, 32, 0.5);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

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

/* Page Headers */
.page-header {
    padding-top: 10rem;
    padding-bottom: 4rem;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    color: var(--text-main);
    margin-bottom: 1rem;
}

/* Responsive */
@media (max-width: 900px) {
    .slide-inner {
        flex-direction: column;
        justify-content: center;
        text-align: center;
        height: auto;
        position: relative;
        padding-top: 2rem;
        padding-left: 2rem;
        padding-right: 2rem;
    }
    .slider-container {
        min-height: auto;
    }
    .slide.active {
        position: relative;
    }
    .slide:not(.active) {
        display: none;
    }
    .slide-image {
        padding: 2rem 0;
        transform: translateX(0);
    }
    .slide-image img {
        max-height: 40vh;
    }
    .slide .hero-content {
        margin: 0 auto !important;
        text-align: center;
        transform: translateY(0);
    }
    .btn-group {
        justify-content: center;
    }
    .slider-prev, .slider-next {
        display: none;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 70%;
        height: 100vh;
        background: var(--bg-dark);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: right 0.4s ease;
        border-left: 1px solid var(--glass-border);
        box-shadow: -10px 0 30px rgba(0,0,0,0.5);
    }

    .nav-links.active {
        right: 0;
    }

    .hamburger {
        display: block;
        z-index: 1001;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .btn-group {
        flex-direction: column;
    }
}