:root {
    --primary-color: #6B4EFF;
    --header-height: 75px;
    --header-height-mobile: 60px;
    --site-padding: 7%;
    --max-width: 1400px;
    --width: 100%;
    --transition: 0.3s ease;
    --border-radius: 18px;
    --shadow: 0 4px 12px rgba(0,0,0,0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Trebuchet MS', sans-serif;
}

body {
    background-image: linear-gradient(180deg, #E9E5FF 0%, #F7F7FA00 100%);
    min-height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

header {
    max-width: var(--max-width);
    width: var(--width);
    height: 80px;
    z-index: 1000;
    transition: transform var(--transition);
    backdrop-filter: blur(5px);
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-inline: auto;
}

.nav {
    height: 100%;
    margin: 0 auto;
    display: flex;
    align-items: center;
    flex: 1;
}

.logo {
    padding: 0.625rem 0;
    display: flex;
    align-items: center;
    margin-right: -2rem;
}

.logo img {
    width: clamp(120px, 15vw, 200px);
    height: auto;
}

.menu {
    display: flex;
    gap: clamp(0.5rem, 1vw, 1rem);
    align-items: center;
    margin-left: 0;
    flex: 1;
    justify-content: center;
}

.menu-item {
    list-style: none;
    position: relative;
    display: flex;
    align-items: center;
}

.menu-link {
    text-decoration: none;
    color: black;
    font-size: clamp(0.875rem, 1.5vw, 1.063rem);
    padding: 0.625rem;
    position: relative;
    display: flex;
    align-items: center;
    transition: color var(--transition);
    font-weight: bold;
}

.menu-link::after {
    content: '';
    position: absolute;
    bottom: 0.425rem;
    left: 0;
    width: 100%;
    height: 0.125rem;
    background-color: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.menu-link:hover::after {
    transform: scaleX(1);
}

.menu-link:not(:hover)::after {
    transform-origin: right;
}

.submenu {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    box-shadow: var(--shadow);
    border-radius: var(--border-radius);
    padding: clamp(20px, 4vw, 50px);
    width: fit-content;
    z-index: 1001;
    transition: visibility 0s linear var(--transition), opacity var(--transition) linear;
    display: flex;
    flex-direction: column;
}

.menu-item:hover .submenu,
.submenu:hover {
    visibility: visible;
    opacity: 1;
    transition-delay: 0s;
}

.menu-item::after {
    content: '';
    position: absolute;
    width: 100%;
    height: 20px;
    bottom: -20px;
    left: 0;
}

.submenu::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 20px;
    top: -20px;
    left: 0;
}

.submenu-container {
    display: flex;
    gap: clamp(1rem, 2vw, 2rem);
}

.submenu-left, .submenu-right {
    display: flex;
    flex-direction: column;
}

.submenu-divider {
    width: 1px;
    background-color: #E0E0E0;
    align-self: stretch;
    margin: 2% 0;
}

.submenu-link {
    text-decoration: none;
    color: black;
    padding: 0.5rem;
    transition: color var(--transition);
    font-weight: normal;
    display: flex;
    align-items: center;
    gap: clamp(0.5rem, 1vw, 1rem);
    font-size: clamp(14px, 1.2vw, 16px);
    white-space: nowrap;
}

.submenu-icon {
    width: clamp(35px, 4vw, 45px);
    height: clamp(35px, 4vw, 45px);
    border-radius: 50%;
    background-color: #F5F5F5;
    color: #6754E9;
    display: grid;
    place-items: center;
}

.submenu-icon img {
    width: clamp(18px, 2vw, 24px);
    height: clamp(18px, 2vw, 24px);
    object-fit: contain;
}

.submenu-link:hover {
    color: var(--primary-color);
}

.cta-button {
    background-color: black;
    color: white;
    padding: clamp(0.5rem, 1vw, 0.75rem) clamp(1rem, 2vw, 1.5rem);
    border-radius: var(--border-radius);
    text-decoration: none;
    font-size: clamp(0.875rem, 1.5vw, 1rem);
    transition: all var(--transition);
    white-space: nowrap;
    display: inline-flex;
    align-items: center;
    position: relative;
    gap: 8px;
}

.cta-button span {
    position: relative;
    display: inline-block;
    margin-right: 8px;
}

.cta-button span::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 100%;
    height: 2px;
    background-color: white;
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition);
}

.cta-button:hover span::after {
    transform: scaleX(1);
    transform-origin: left;
}

.hamburger {
    display: none;
    cursor: pointer;
    background: none;
    border: none;
    font-size: clamp(1.25rem, 2vw, 1.5rem);
    padding: 0.313rem;
    transition: transform var(--transition);
    margin-left: auto;
    color: #000;
    -webkit-appearance: none;
    -webkit-tap-highlight-color: transparent;
    appearance: none;
    outline: none;
}

.hamburger:focus {
    outline: none;
}

@media (max-width: 836px) {
    .mobile-cta {
        display: block;
        width: 100%;
        padding: 15px;
        background: #000;
        color: #fff;
        text-align: center;
        text-decoration: none;
        font-weight: bold;
        transition: background-color var(--transition);
        gap: 8px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .mobile-cta:active {
        background: #6754e9;
        color: #fff;
    }
    .cta-wrapper {
        display: none;
    }
    .submenu-indicator {
        margin-left: 8px;
        transition: transform var(--transition);
    }
    .menu-item.active .submenu-indicator {
        transform: rotate(180deg);
    }
    .menu-link::after {
        display: none;
    }
}

@media (min-width: 837px) {
    .mobile-cta {
        display: none;
    }
    .cta-wrapper {
        display: block;
    }
    .submenu-indicator {
        display: none;
    }
}

@media screen and (max-width: 992px) {
    .menu {
        gap: 0.5rem;
    }
    
    .cta-button {
        margin-left: 1.5rem;
    }
}

@media screen and (max-width: 836px) {
    .header {
        height: var(--header-height-mobile);
    }
    
    .logo {
        padding-left: 15px;
    }

    .menu {
        position: fixed;
        top: var(--header-height-mobile);
        left: 0;
        width: 100%;
        height: calc(100vh - var(--header-height-mobile));
        flex-direction: column;
        padding: 1rem;
        transform: translateX(-100%);
        transition: transform var(--transition);
        margin-left: 0;
        align-items: flex-start;
        background-color: rgba(255, 255, 255, 0.95);
        overflow-y: auto;
    }

    .menu-item {
        width: 100%;
        flex-direction: column;
        align-items: flex-start;
    }

    .menu.active {
        transform: translateX(0);
        justify-content: flex-start;
    }

    .hamburger {
        display: flex;
        align-items: center;
        z-index: 2;
    }

    .hamburger.active {
        transform: rotate(90deg);
    }

    .cta-button {
        margin: 1rem 0;
        display: flex;
        width: auto;
    }

    .submenu {
        position: static;
        transform: none;
        box-shadow: none;
        width: 100%;
        min-width: auto;
        padding: 0;
        margin: 0;
        visibility: visible;
        opacity: 1;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
        background: transparent;
    }

    .menu-item.active .submenu {
        max-height: 1000px;
    }

    .submenu-container {
        flex-direction: column;
        gap: 0;
    }

    .submenu-divider {
        display: none;
    }

    .menu-link {
        width: 100%;
        cursor: pointer;
    }

    .menu-item::after,
    .submenu::before {
        display: none;
    }

    .cta-container {
        margin-left: clamp(1rem, 3vw, 3rem);
    }
}

@media screen and (max-width: 480px) {
    .submenu-link {
        font-size: 14px;
    }

    .submenu-icon {
        width: 32px;
        height: 32px;
    }

    .submenu-icon img {
        width: 16px;
        height: 16px;
    }

    .nav.nav {
        margin-left: 65%;
    }
}

/* İlk Adımı At butonu için özel stil */
.hero-section .cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1.2rem 2.5rem;
    background: linear-gradient(45deg, #6754e9, #8d7ef7);
    color: #fff;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    letter-spacing: 0.5px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    z-index: 1;
    box-shadow: 0 4px 15px rgba(103, 84, 233, 0.3);
}

.hero-section .cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, #8d7ef7, #6754e9);
    z-index: -1;
    transition: transform 0.6s ease;
}

.hero-section .cta-button:hover::before {
    transform: translateX(100%);
}

.hero-section .cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(103, 84, 233, 0.4);
}

.hero-section .cta-button:active {
    transform: translateY(0);
}

/* Submenu indicator icon styling */
.submenu-indicator {
    display: none; /* Desktop'ta gizle */
    margin-left: 5px;
    font-size: 0.8em;
    transition: transform 0.3s ease;
}

/* Mobil görünümde submenu indicator'ı göster */
@media (max-width: 768px) {
    .submenu-indicator {
        display: inline-block;
        /* Kapalı durumda sola dönük */
        transform: rotate(-90deg);
    }
    
    /* Menü açıkken ikonu döndür */
    .menu-item.active .submenu-indicator {
        /* Normal pozisyona dön */
        transform: rotate(0deg);
    }
}