/* 
====================================
TIKANIKLIK AÇMA WEB SİTESİ - CSS
====================================
Minimal, modern ve mobil uyumlu tasarım
Kolay düzenlenebilir değişkenler
====================================
*/

/* ===== CSS DEĞİŞKENLERİ ===== */
:root {
    /* Ana Renkler */
    --primary-color: #2563eb;        /* Ana mavi */
    --primary-dark: #1d4ed8;         /* Koyu mavi (hover) */
    --secondary-color: #059669;      /* Yeşil (WhatsApp) */
    --secondary-dark: #047857;       /* Koyu yeşil */
    
    /* Nötr Renkler */
    --text-color: #1f2937;           /* Ana metin */
    --text-light: #6b7280;           /* Açık metin */
    --bg-color: #ffffff;             /* Arka plan */
    --bg-light: #f9fafb;             /* Açık arka plan */
    --bg-dark: #111827;              /* Koyu arka plan */
    --border-color: #e5e7eb;         /* Kenarlık */
    
    /* Tipografi */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --font-size-base: 16px;
    --line-height: 1.6;
    
    /* Boşluklar */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;
    
    /* Diğer */
    --border-radius: 8px;
    --shadow: 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);
    --transition: all 0.3s ease;
    --container-max: 1200px;
}

/* ===== RESET & TEMEL STİLLER ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: var(--font-family);
    line-height: var(--line-height);
    color: var(--text-color);
    background-color: var(--bg-color);
}

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

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

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

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

/* ===== BUTONLAR ===== */
.btn {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: 1rem;
    font-weight: 600;
    text-align: center;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
    text-decoration: none;
}

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

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

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

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

.btn-large {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: 1.125rem;
}

/* ===== SABİT WHATSAPP BUTONU (FLOATING) ===== */
.whatsapp-float {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
    transition: var(--transition);
}

.whatsapp-float:hover {
    background-color: #128c7e;
    color: white;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
}

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

/* ===== HEADER / NAVİGASYON ===== */
.header {
    background-color: var(--bg-color);
    padding: var(--spacing-sm) 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow);
}

.header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

/* Hamburger Menü Butonu */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    padding: 8px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 200;
    order: -1;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 3px;
    background-color: var(--text-color);
    border-radius: 2px;
    transition: var(--transition);
    margin: 2px 0;
}

/* Hamburger aktif durumu (X şekli) */
.hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--text-color);
    text-decoration: none;
}

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

.logo-img {
    height: 48px;
    width: auto;
    object-fit: contain;
    margin-right: 0;
}

.logo-text {
    display: inline-block;
    font-family: 'Oswald', sans-serif;
    font-size: 1.35rem;
    font-weight: 600;
    color: var(--dark);
    letter-spacing: 2px;
    text-transform: uppercase;
}

.nav {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.nav a {
    color: var(--text-color);
    font-weight: 500;
    padding: var(--spacing-xs);
}

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

/* ===== HERO BÖLÜMÜ ===== */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: var(--spacing-xxl) 0;
    text-align: center;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    backdrop-filter: blur(10px);
}

.hero h1 {
    font-size: clamp(1.75rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.hero-subtitle {
    font-size: clamp(1rem, 2.5vw, 1.25rem);
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
}

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

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

.stat-number {
    display: block;
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.9;
}

.hero .btn {
    margin: var(--spacing-xs);
}

/* ===== BÖLÜM ORTAK STİLLER ===== */
section {
    padding: var(--spacing-xxl) 0;
}

section h2 {
    font-size: clamp(1.5rem, 4vw, 2.25rem);
    text-align: center;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

.service-card {
    background-color: var(--bg-color);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

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

.service-badge {
    position: absolute;
    top: 12px;
    right: -30px;
    background: var(--secondary-color);
    color: white;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 4px 40px;
    transform: rotate(45deg);
}

.service-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-color);
}

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

/* ===== EKİPMANLAR BÖLÜMÜ ===== */
.equipment {
    background-color: var(--bg-color);
}

.equipment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.equipment-item {
    text-align: center;
    padding: var(--spacing-md);
    background: var(--bg-light);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.equipment-item:hover {
    background: var(--primary-color);
    color: white;
}

.equipment-item:hover p {
    color: rgba(255, 255, 255, 0.9);
}

.equipment-icon {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-xs);
}

.equipment-item h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.equipment-item p {
    font-size: 0.875rem;
    color: var(--text-light);
    transition: var(--transition);
}

/* ===== GÖRSEL & VİDEO ALANI ===== */
.media-section {
    background-color: var(--bg-color);
}

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

.media-item {
    border-radius: var(--border-radius);
    overflow: hidden;
    aspect-ratio: 4/3;
}

.media-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Placeholder stilleri (görseller eklenince kaldırılacak) */
.image-placeholder,
.video-placeholder {
    background: linear-gradient(135deg, var(--bg-light) 0%, var(--border-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-color);
}

.placeholder-content {
    text-align: center;
    color: var(--text-light);
}

.placeholder-content span {
    font-size: 3rem;
    display: block;
    margin-bottom: var(--spacing-xs);
}

.placeholder-content p {
    font-size: 0.875rem;
}

/* Video container */
.video-container {
    position: relative;
    width: 100%;
    max-width: 800px;
    margin: 0 auto;
    aspect-ratio: 16/9;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.video-container iframe {
    width: 100%;
    height: 100%;
}

.video-placeholder {
    width: 100%;
    height: 100%;
    flex-direction: column;
}

/* ===== HAKKIMIZDA BÖLÜMÜ ===== */
.about {
    background-color: var(--bg-light);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

@media (min-width: 768px) {
    .about-content {
        grid-template-columns: 1fr 1fr;
    }
}

.about-text h2 {
    text-align: left;
    margin-bottom: var(--spacing-md);
}

.about-text p {
    margin-bottom: var(--spacing-md);
    color: var(--text-light);
}

.about-features {
    margin-top: var(--spacing-md);
}

.about-features li {
    padding: var(--spacing-xs) 0;
    font-weight: 500;
}

.about-image {
    aspect-ratio: 4/3;
    border-radius: var(--border-radius);
    overflow: hidden;
    background: linear-gradient(135deg, var(--bg-color) 0%, var(--border-color) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-color);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ===== NEDEN BİZ BÖLÜMÜ (Kompakt) ===== */
.why-us {
    background-color: var(--primary-color);
    padding: var(--spacing-lg) 0;
}

.why-us-compact {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xl);
    flex-wrap: wrap;
}

.why-us-compact .why-us-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    color: white;
}

.why-us-compact .why-icon {
    font-size: 2rem;
}

.why-us-compact .why-us-item strong {
    display: block;
    font-size: 1.125rem;
}

.why-us-compact .why-us-item p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.875rem;
    margin: 0;
}

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

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

.faq-item {
    background: var(--bg-color);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-sm);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-md);
    cursor: pointer;
    font-weight: 600;
    color: var(--text-color);
    list-style: none;
}

.faq-question::-webkit-details-marker {
    display: none;
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-icon {
    font-size: 1.5rem;
    font-weight: 300;
    transition: var(--transition);
    color: var(--primary-color);
}

.faq-item[open] .faq-icon {
    transform: rotate(45deg);
}

.faq-answer {
    padding: 0 var(--spacing-md) var(--spacing-md);
    color: var(--text-light);
    line-height: 1.7;
}

.faq-answer p {
    margin: 0;
}

/* ===== MÜŞTERİ YORUMLARI ===== */
.testimonials {
    background-color: var(--bg-color);
}

.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
}

.testimonial-card {
    background: var(--bg-light);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
}

.testimonial-stars {
    color: #fbbf24;
    font-size: 1.25rem;
    margin-bottom: var(--spacing-sm);
    letter-spacing: 2px;
}

.testimonial-text {
    color: var(--text-color);
    font-style: italic;
    margin-bottom: var(--spacing-md);
    line-height: 1.7;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.author-avatar {
    width: 45px;
    height: 45px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.25rem;
}

.author-info strong {
    display: block;
    color: var(--text-color);
}

.author-info span {
    font-size: 0.875rem;
    color: var(--text-light);
}

/* ===== İLETİŞİM BÖLÜMÜ ===== */
.contact {
    background: linear-gradient(135deg, var(--bg-dark) 0%, #1e3a5f 100%);
    color: white;
}

.contact h2 {
    color: white;
}

.contact .section-subtitle {
    color: rgba(255, 255, 255, 0.8);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.contact-item {
    text-align: center;
    padding: var(--spacing-md);
}

.contact-icon {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

.contact-item h3 {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
    opacity: 0.8;
}

.contact-item a,
.contact-item p {
    color: white;
    font-size: 1.125rem;
    font-weight: 600;
}

.contact-item a:hover {
    color: var(--secondary-color);
}

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

/* ===== FOOTER ===== */
.footer {
    background-color: var(--bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: var(--spacing-lg) 0;
    text-align: center;
}

.footer-content p {
    margin-bottom: var(--spacing-xs);
    font-size: 0.875rem;
}

/* ===== MOBİL UYUMLULUK (RESPONSIVE) ===== */

/* Küçük tabletler ve büyük telefonlar */
@media (max-width: 768px) {
    /* Hamburger menü göster */
    .hamburger {
        display: flex;
    }
    
    .header .container {
        justify-content: space-between;
        flex-wrap: nowrap;
    }
    
    /* Mobil navigasyon */
    .nav {
        position: fixed;
        top: 0;
        left: -100%;
        width: 75%;
        max-width: 300px;
        height: 100vh;
        background-color: var(--bg-color);
        flex-direction: column;
        justify-content: flex-start;
        align-items: flex-start;
        padding: 80px var(--spacing-lg) var(--spacing-lg);
        box-shadow: var(--shadow-lg);
        transition: left 0.3s ease;
        z-index: 150;
        gap: 0;
    }
    
    .nav.active {
        left: 0;
    }
    
    .nav a {
        width: 100%;
        padding: var(--spacing-md) 0;
        border-bottom: 1px solid var(--border-color);
        font-size: 1.1rem;
    }
    
    .nav a:last-child {
        border-bottom: none;
    }
    
    /* Logo sağda */
    .logo {
        order: 2;
        margin-left: auto;
        margin-right: 0;
    }
    
    .logo-text {
        font-size: 1rem;
    }
    
    .logo-img {
        height: 40px;
    }
    
    .hero {
        padding: var(--spacing-xl) 0;
    }
    
    .hero-stats {
        gap: var(--spacing-lg);
    }
    
    .hero .btn {
        display: block;
        margin: var(--spacing-xs) auto;
        max-width: 280px;
    }
    
    section {
        padding: var(--spacing-xl) 0;
    }
    
    .services-grid,
    .equipment-grid {
        grid-template-columns: 1fr;
    }
    
    .why-us-compact {
        gap: var(--spacing-md);
    }
    
    .why-us-compact .why-us-item {
        flex-basis: 40%;
        justify-content: center;
    }
    
    .testimonials-grid {
        grid-template-columns: 1fr;
    }
}

/* Menü açıkken arka plan overlay */
@media (max-width: 768px) {
    .nav::before {
        content: '';
        position: fixed;
        top: 0;
        left: 0;
        width: 100vw;
        height: 100vh;
        background: rgba(0, 0, 0, 0.5);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
        z-index: -1;
    }
    
    .nav.active::before {
        opacity: 1;
        visibility: visible;
        left: 100%;
        width: 100vw;
    }
}

/* Telefonlar */
@media (max-width: 480px) {
    :root {
        --font-size-base: 15px;
    }
    
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .whatsapp-float {
        width: 55px;
        height: 55px;
        bottom: 20px;
        right: 20px;
    }
    
    .whatsapp-float svg {
        width: 28px;
        height: 28px;
    }
    
    .nav {
        gap: var(--spacing-sm);
        font-size: 0.9rem;
    }
    
    .btn {
        padding: var(--spacing-sm) var(--spacing-md);
        font-size: 0.95rem;
    }
    
    .btn-large {
        padding: var(--spacing-sm) var(--spacing-lg);
        font-size: 1rem;
    }
    
    .contact-grid {
        grid-template-columns: 1fr 1fr;
    }
}

/* ===== DOKUNMATIK CİHAZ OPTİMİZASYONU ===== */
@media (hover: none) and (pointer: coarse) {
    .btn {
        min-height: 48px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }
    
    .nav a {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }
    
    .whatsapp-float {
        width: 60px;
        height: 60px;
    }
}

/* ===== PRINT STİLLERİ ===== */
@media print {
    .whatsapp-float,
    .header {
        display: none;
    }
    
    .hero {
        background: none;
        color: var(--text-color);
    }
    
    section {
        padding: var(--spacing-md) 0;
    }
}

/* ===== ERİŞİLEBİLİRLİK ===== */
@media (prefers-reduced-motion: reduce) {
    * {
        animation: none !important;
        transition: none !important;
    }
    
    html {
        scroll-behavior: auto;
    }
}

/* Focus stilleri (klavye navigasyonu için) */
a:focus,
button:focus,
.btn:focus {
    outline: 3px solid var(--primary-color);
    outline-offset: 2px;
}

/* Skip link (erişilebilirlik) */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    z-index: 1001;
}

.skip-link:focus {
    top: 0;
}