/* ============================================
   CSS Variables (Tema Değişkenleri)
   ============================================ */
:root {
    /* Renkler - Koyu Tema */
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-secondary: #1e293b;
    --color-accent: #f59e0b;
    --color-text: #e2e8f0;
    --color-text-light: #94a3b8;
    --color-bg: #0f172a;
    --color-bg-light: #1e293b;
    --color-bg-dark: #020617;
    --color-border: #334155;
    --color-success: #10b981;
    
    /* Tipografi */
    --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    --font-size-base: 16px;
    --font-size-sm: 14px;
    --font-size-lg: 18px;
    --font-size-xl: 20px;
    --font-size-2xl: 24px;
    --font-size-3xl: 30px;
    --font-size-4xl: 36px;
    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    
    /* Border & Shadow */
    --border-radius: 8px;
    --border-radius-lg: 12px;
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 300ms ease-in-out;
    --transition-slow: 500ms ease-in-out;
}

/* ============================================
   Reset & Base Styles
   ============================================ */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: var(--font-size-base);
}

body {
    font-family: var(--font-family);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

ul {
    list-style: none;
}

/* ============================================
   Container
   ============================================ */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

@media (min-width: 768px) {
    .container {
        padding: 0 var(--spacing-lg);
    }
}

/* ============================================
   Header / Navigation
   ============================================ */
.header {
    position: sticky;
    top: 0;
    background-color: var(--color-bg-light);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    border-bottom: 1px solid var(--color-border);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) var(--spacing-md);
    min-height: 70px;
}

.nav__logo {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-primary);
    text-decoration: none;
    transition: opacity var(--transition-fast);
}

.nav__logo:hover {
    opacity: 0.8;
}

.nav__logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
    flex-shrink: 0;
}

.nav__logo-text {
    display: inline-block;
}

@media (max-width: 767px) {
    .nav__logo-img {
        width: 32px;
        height: 32px;
    }
    
    .nav__logo {
        font-size: var(--font-size-lg);
    }
}

.nav__toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    width: 30px;
    height: 30px;
    padding: 0;
    background: transparent;
}

.nav__toggle span {
    display: block;
    width: 100%;
    height: 3px;
    background-color: var(--color-text);
    border-radius: 2px;
    transition: all var(--transition-base);
}

.nav__menu {
    background-color: var(--color-bg-light);
}

.nav__toggle[aria-expanded="true"] span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.nav__toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.nav__toggle[aria-expanded="true"] span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

.nav__menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background-color: var(--color-bg);
    box-shadow: var(--shadow-md);
    flex-direction: column;
    padding: var(--spacing-md);
    transform: translateX(-100%);
    transition: transform var(--transition-base);
    z-index: 999;
}

.nav__menu.active {
    transform: translateX(0);
}

.nav__menu li {
    margin-bottom: var(--spacing-sm);
}

.nav__link {
    display: block;
    padding: var(--spacing-sm);
    color: var(--color-text);
    font-weight: var(--font-weight-medium);
    border-radius: var(--border-radius);
    transition: background-color var(--transition-fast);
}

.nav__link:hover,
.nav__link.active {
    background-color: rgba(59, 130, 246, 0.1);
    color: var(--color-primary);
}

@media (min-width: 768px) {
    .nav__toggle {
        display: none;
    }
    
    .nav__menu {
        position: static;
        flex-direction: row;
        display: flex;
        gap: var(--spacing-sm);
        box-shadow: none;
        padding: 0;
        transform: none;
        background-color: transparent;
    }
    
    .nav__menu li {
        margin-bottom: 0;
    }
    
    .nav__link {
        padding: var(--spacing-xs) var(--spacing-md);
        font-size: var(--font-size-sm);
        border-radius: var(--border-radius);
        transition: all var(--transition-fast);
    }
    
    .nav__link:hover,
    .nav__link.active {
        background-color: rgba(59, 130, 246, 0.15);
        color: var(--color-primary);
        transform: translateY(-1px);
    }
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    color: white;
    padding: var(--spacing-2xl) var(--spacing-md);
    text-align: center;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('/assets/img/og-cover.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.15) 0%, rgba(30, 64, 175, 0.15) 100%);
    z-index: 1;
}

.hero .container {
    position: relative;
    z-index: 2;
}

.hero__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.7), 0 0 20px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 2;
}

.hero__subtitle {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    opacity: 1;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-shadow: 1px 1px 6px rgba(0, 0, 0, 0.8), 0 0 15px rgba(0, 0, 0, 0.6);
    position: relative;
    z-index: 2;
}

.hero__badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: rgba(255, 255, 255, 0.25);
    border-radius: var(--border-radius-lg);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    backdrop-filter: blur(10px);
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
    position: relative;
    z-index: 2;
}

.hero__cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
}

@media (min-width: 768px) {
    .hero {
        padding: var(--spacing-2xl) var(--spacing-lg);
    }
    
    .hero__title {
        font-size: var(--font-size-4xl);
    }
}

/* ============================================
   Buttons
   ============================================ */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-semibold);
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
}

.btn--primary {
    background-color: var(--color-accent);
    color: white;
}

.btn--primary:hover {
    background-color: #d97706;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--secondary {
    background-color: transparent;
    color: white;
    border-color: white;
}

.btn--secondary:hover {
    background-color: white;
    color: var(--color-primary);
}

.btn--whatsapp {
    background-color: #25d366;
    color: white;
}

.btn--whatsapp:hover {
    background-color: #20ba5a;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn--phone {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    flex-direction: row;
}

.btn--phone svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    order: -1;
}

.btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* ============================================
   Section Styles
   ============================================ */
section {
    padding: var(--spacing-2xl) var(--spacing-md);
}

.section__title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.section__subtitle {
    text-align: center;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* ============================================
   Services Section
   ============================================ */
.services {
    background-color: var(--color-bg-light);
}

.services__grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-lg);
}

@media (min-width: 768px) {
    .services__grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .services__grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.service-card {
    background-color: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all var(--transition-base);
    border: 1px solid var(--color-border);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.service-card__icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    color: var(--color-primary);
}

.service-card__icon svg {
    width: 100%;
    height: 100%;
}

.service-card__title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.service-card__desc {
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ============================================
   Why Us Section
   ============================================ */
.why-us {
    background-color: var(--color-bg);
}

.why-us__content {
    display: grid;
    gap: var(--spacing-xl);
}

.why-us__bullets {
    display: grid;
    gap: var(--spacing-md);
}

.bullet-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius);
    border: 1px solid var(--color-border);
}

.bullet-item svg {
    width: 24px;
    height: 24px;
    color: var(--color-success);
    flex-shrink: 0;
    margin-top: 2px;
}

.why-us__stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-md);
}

.stat-card {
    background-color: var(--color-bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border);
}

.stat-card__label {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
    font-weight: var(--font-weight-medium);
}

.stat-card__value {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
}

@media (min-width: 768px) {
    .why-us__stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ============================================
   About Section
   ============================================ */
.about {
    background-color: var(--color-bg);
}

.about__content {
    max-width: 800px;
    margin: 0 auto;
}

.about__content p {
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    line-height: 1.8;
}

.about__content p:last-child {
    margin-bottom: 0;
}

/* ============================================
   Gallery Section
   ============================================ */
.gallery {
    background-color: var(--color-bg-light);
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
}

/* Mobil görünümde slider */
@media (max-width: 767px) {
    .gallery__grid {
        display: flex;
        overflow-x: auto;
        scroll-snap-type: x mandatory;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: thin;
        gap: var(--spacing-sm);
        padding-bottom: var(--spacing-sm);
    }
    
    .gallery__grid::-webkit-scrollbar {
        height: 6px;
    }
    
    .gallery__grid::-webkit-scrollbar-track {
        background: var(--color-bg);
        border-radius: 3px;
    }
    
    .gallery__grid::-webkit-scrollbar-thumb {
        background: var(--color-primary);
        border-radius: 3px;
    }
    
    .gallery__item {
        flex: 0 0 85%;
        max-width: 85%;
        scroll-snap-align: start;
    }
    
    .gallery__item img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
}

.gallery__item {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius-lg);
    cursor: pointer;
    aspect-ratio: 4/3;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
}

.gallery__item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-base);
}

.gallery__item:hover img {
    transform: scale(1.05);
}

.gallery__item::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.5), transparent);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.gallery__item:hover::after {
    opacity: 1;
}

/* ============================================
   Lightbox
   ============================================ */
.lightbox {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.95);
    z-index: 2000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.lightbox.active {
    display: flex;
}

.lightbox__close,
.lightbox__prev,
.lightbox__next {
    position: absolute;
    background-color: rgba(255, 255, 255, 0.1);
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 30px;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox__close:hover,
.lightbox__prev:hover,
.lightbox__next:hover {
    background-color: rgba(255, 255, 255, 0.2);
}

.lightbox__close {
    top: var(--spacing-lg);
    right: var(--spacing-lg);
}

.lightbox__prev {
    left: var(--spacing-lg);
}

.lightbox__next {
    right: var(--spacing-lg);
}

.lightbox__content {
    max-width: 95%;
    max-height: 95%;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox__content img {
    max-width: 95vw;
    max-height: 95vh;
    width: auto;
    height: auto;
    object-fit: contain;
    border-radius: var(--border-radius);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
    transition: opacity var(--transition-base);
    display: block;
}


/* ============================================
   FAQ Section
   ============================================ */
.faq {
    background-color: var(--color-bg);
}

.faq__list {
    max-width: 800px;
    margin: 0 auto;
}

.faq__item {
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.faq__question {
    width: 100%;
    padding: var(--spacing-md);
    text-align: left;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text);
    cursor: pointer;
    transition: background-color var(--transition-fast);
}

.faq__question:hover {
    background-color: rgba(59, 130, 246, 0.1);
}

.faq__question svg {
    width: 24px;
    height: 24px;
    transition: transform var(--transition-base);
    flex-shrink: 0;
}

.faq__question[aria-expanded="true"] svg {
    transform: rotate(180deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--transition-base);
}

.faq__answer.active {
    max-height: 500px;
}

.faq__answer p {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--color-text-light);
    line-height: 1.8;
}

/* ============================================
   Contact Section
   ============================================ */
.contact {
    background-color: var(--color-bg);
}

.contact__phones {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.contact__phone-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-primary);
    color: white;
    border-radius: var(--border-radius);
    font-weight: var(--font-weight-semibold);
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    text-decoration: none;
}

.contact__phone-btn:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.contact__phone-btn svg {
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.contact__phone-btn:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

@media (max-width: 767px) {
    .contact__phones {
        flex-direction: column;
        align-items: stretch;
    }
    
    .contact__phone-btn {
        width: 100%;
        justify-content: center;
    }
}


.contact__map {
    margin-top: var(--spacing-xl);
}

.contact__map h3 {
    font-size: var(--font-size-xl);
    margin-bottom: var(--spacing-md);
    color: var(--color-text);
    text-align: center;
}

.map-placeholder {
    padding: 0;
    background-color: var(--color-bg-light);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

.map-placeholder iframe {
    width: 100%;
    height: 400px;
    display: block;
    border: none;
}

.map-placeholder p {
    display: none;
}

/* ============================================
   Sticky WhatsApp Button
   ============================================ */
.whatsapp-sticky {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all var(--transition-base);
    color: white;
}

.whatsapp-sticky:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
    background-color: #20ba5a;
}

.whatsapp-sticky:focus-visible {
    outline: 3px solid rgba(37, 211, 102, 0.5);
    outline-offset: 3px;
}

.whatsapp-sticky svg {
    width: 32px;
    height: 32px;
}

@media (max-width: 768px) {
    .whatsapp-sticky {
        width: 56px;
        height: 56px;
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-sticky svg {
        width: 28px;
        height: 28px;
    }
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background-color: var(--color-bg-dark);
    color: white;
    padding: var(--spacing-xl) var(--spacing-md);
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
}

.footer__about h3,
.footer__links h3,
.footer__contact h3 {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-md);
    color: white;
}

.footer__about p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.8;
}

.footer__links ul {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.footer__links a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer__links a:hover {
    color: white;
}

.footer__contact a {
    color: rgba(255, 255, 255, 0.8);
    transition: color var(--transition-fast);
}

.footer__contact a:hover {
    color: white;
}

.footer__copyright {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

@media (min-width: 768px) {
    .footer__content {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .contact__content {
        grid-template-columns: 1fr;
    }
}

/* ============================================
   Utility Classes
   ============================================ */
.text-center {
    text-align: center;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* Body scroll lock için */
body.scroll-locked {
    overflow: hidden;
}