/* ==========================================================================
   CHEFOL - PREMIUM CSS STYLESHEET
   Typography: Plus Jakarta Sans
   Theme: Original (Dark/Light) - 60/30/10 Rule
   ========================================================================== */

:root {
    --bg-color: #23220F;
    --surface-color: #2D2C1B;
    --accent-color: #F9F506;
    --accent-text: #000000;
    --text-primary: #FFFFFF;
    --text-secondary: #9E9E9E;

    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.5);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.7);
    --border-color: rgba(255, 255, 255, 0.05);

    --font-family: 'Plus Jakarta Sans', sans-serif;
    --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --radius-lg: 24px;
    --radius-md: 16px;
    --radius-sm: 8px;
}

[data-theme="light"] {
    --bg-color: #E1EBE4;
    --surface-color: #FFFFFF;
    --accent-color: #D49E1F;
    --accent-text: #FFFFFF;
    --text-primary: #121C18;
    --text-secondary: #4A5550;

    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 20px 40px rgba(0, 0, 0, 0.18);
    --border-color: rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-variant-ligatures: none;
    transition: background-color var(--transition-smooth), color var(--transition-smooth);
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

h1,
h2,
h3,
h4 {
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.02em;
}

a {
    color: var(--accent-color);
    text-decoration: none;
    transition: opacity var(--transition-smooth);
}

a:hover {
    opacity: 0.8;
}

/* ==========================================================================
   DİL (LANGUAGE) VE ANİMASYON SİSTEMİ (KURŞUN GEÇİRMEZ YAPI)
   ========================================================================== */

/* Türkçe mod: (Varsayılan veya lang="tr" ise) İngilizceyi KESİN olarak gizle */
html:not([lang="en"]) .en-content {
    display: none !important;
}

/* İngilizce mod: (lang="en" ise) Türkçeyi KESİN olarak gizle */
html[lang="en"] .tr-content {
    display: none !important;
}

/* JS üzerinden sınıfla kontrol edilen güvenli dil animasyonu */
.tr-content,
.en-content {
    transition: opacity 0.2s ease-in-out;
    opacity: 1;
    /* Normalde daima tam görünür */
}

/* Animasyon geçişi sırasında görünmez yap (opacity takılı kalmasını önler) */
body.lang-animating .tr-content,
body.lang-animating .en-content {
    opacity: 0 !important;
}

/* ========================================================================== */

.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background-color: rgba(var(--bg-color), 0.8);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

[data-theme="dark"] .logo-light {
    display: none !important;
}

[data-theme="light"] .logo-dark {
    display: none !important;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--text-primary);
    letter-spacing: -0.5px;
}

.controls {
    display: flex;
    gap: 16px;
    align-items: center;
}

.control-btn {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 30px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: inherit;
    font-weight: 600;
    font-size: 14px;
    transition: all var(--transition-smooth);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.02);
}

.control-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.lang-text {
    opacity: 0.5;
    transition: opacity 0.3s;
}

.lang-text.active {
    opacity: 1;
    color: var(--accent-color);
}

.lang-divider {
    opacity: 0.2;
}

.sun-icon,
.moon-icon {
    width: 18px;
    height: 18px;
}

[data-theme="dark"] .moon-icon {
    display: none;
}

[data-theme="light"] .sun-icon {
    display: none;
}

.content-wrapper {
    max-width: 1200px;
    margin: 0 auto;
    padding: 120px 5% 60px;
    flex: 1;
    width: 100%;
}

.hero {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    min-height: 70vh;
    margin-bottom: 80px;
}

.hero-text h1 {
    font-size: clamp(40px, 5vw, 64px);
    margin-bottom: 24px;
    color: var(--text-primary);
}

.hero-text .highlight {
    color: var(--accent-color);
}

.hero-text p {
    font-size: 18px;
    color: var(--text-secondary);
    max-width: 480px;
    margin-bottom: 30px;
}

.store-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.store-buttons.justify-center {
    justify-content: center;
}

.store-btn {
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 10px 20px;
    color: var(--text-primary) !important;
    text-decoration: none;
    transition: all var(--transition-smooth);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
}

.store-btn:hover {
    border-color: var(--accent-color);
    transform: translateY(-3px);
    opacity: 1;
}

[data-theme="dark"] .store-btn:hover {
    box-shadow: 0 8px 25px rgba(249, 245, 6, 0.15);
}

[data-theme="light"] .store-btn:hover {
    box-shadow: 0 8px 25px rgba(212, 158, 31, 0.2);
}

.store-icon {
    width: 28px;
    height: 28px;
    fill: currentColor;
}

.store-text {
    display: flex;
    flex-direction: column;
    text-align: left;
}

.store-sub {
    font-size: 10px;
    font-weight: 500;
    opacity: 0.7;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    line-height: 1;
    margin-bottom: 2px;
}

.store-main {
    font-size: 16px;
    font-weight: 700;
    font-family: var(--font-family);
    letter-spacing: -0.5px;
    line-height: 1;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
}

.mockup-container {
    width: 100%;
    max-width: 320px;
    aspect-ratio: 9/19;
    background-color: var(--surface-color);
    border-radius: 40px;
    box-shadow: var(--shadow-soft);
    display: flex;
    align-items: center;
    justify-content: center;
    border: 8px solid var(--border-color);
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.mockup-container:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.mockup-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 32px;
    position: absolute;
    top: 0;
    left: 0;
    transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

[data-theme="dark"] .mockup-light {
    opacity: 0;
    visibility: hidden;
}

[data-theme="dark"] .mockup-dark {
    opacity: 1;
    visibility: visible;
}

[data-theme="light"] .mockup-dark {
    opacity: 0;
    visibility: hidden;
}

[data-theme="light"] .mockup-light {
    opacity: 1;
    visibility: visible;
}

.features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
    margin-bottom: 80px;
}

.feature-card {
    background-color: var(--surface-color);
    padding: 40px 32px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-soft);
    border: 1px solid var(--border-color);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), background-color var(--transition-smooth);
}

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

.feature-icon {
    font-size: 32px;
    margin-bottom: 24px;
    display: inline-block;
    padding: 16px;
    background-color: rgba(249, 245, 6, 0.1);
    border-radius: var(--radius-md);
}

[data-theme="light"] .feature-icon {
    background-color: rgba(212, 158, 31, 0.1);
}

.feature-card h3 {
    font-size: 24px;
    margin-bottom: 16px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 16px;
}

/* --- CTA BANNER --- */
.cta-banner {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    text-align: center;
    margin-bottom: 80px;
    box-shadow: var(--shadow-soft);
    transition: transform var(--transition-smooth), box-shadow var(--transition-smooth), background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.cta-banner:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.cta-banner h2 {
    font-size: 32px;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.cta-banner p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 32px;
}

.legal {
    max-width: 800px;
    margin: 0 auto 100px;
}

.accordion-item {
    background-color: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 16px;
    overflow: hidden;
    transition: background-color var(--transition-smooth), border-color var(--transition-smooth);
}

.accordion-header {
    width: 100%;
    padding: 24px 32px;
    background: transparent;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    color: var(--text-primary);
    font-size: 20px;
    font-weight: 600;
    font-family: inherit;
    text-align: left;
    transition: color var(--transition-smooth);
}

.accordion-header[aria-expanded="true"] {
    color: var(--accent-color);
}

.chevron {
    width: 24px;
    height: 24px;
    transition: transform var(--transition-smooth);
}

.accordion-header[aria-expanded="true"] .chevron {
    transform: rotate(180deg);
    color: var(--accent-color);
}

.accordion-content {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows var(--transition-smooth);
}

.accordion-header[aria-expanded="true"]+.accordion-content {
    grid-template-rows: 1fr;
}

.legal-text-body {
    overflow: hidden;
    padding: 0 32px;
    color: var(--text-secondary);
}

.accordion-header[aria-expanded="true"]+.accordion-content .legal-text-body {
    padding-bottom: 32px;
}

.legal-text-body p {
    margin-bottom: 16px;
    font-size: 15px;
}

.legal-text-body h1,
.legal-text-body h2 {
    color: var(--text-primary);
    margin: 32px 0 16px;
    font-size: 22px;
}

.legal-text-body h3 {
    color: var(--text-primary);
    margin: 24px 0 12px;
    font-size: 18px;
}

.legal-text-body ul,
.legal-text-body ol {
    margin-bottom: 16px;
    padding-left: 24px;
    list-style-type: none;
}

.legal-text-body li {
    margin-bottom: 8px;
    font-size: 15px;
}

.legal-text-body strong {
    color: var(--text-primary);
}

.footer {
    border-top: 1px solid var(--border-color);
    padding: 40px 5%;
    background-color: var(--surface-color);
    transition: background-color var(--transition-smooth);
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    color: var(--text-secondary);
    font-size: 14px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    justify-self: start;
    cursor: pointer;
}

.footer-logo .logo-img {
    height: 48px;
}

.footer-logo .logo-text {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.footer-copyright {
    justify-self: center;
    text-align: center;
}

.contact-link {
    justify-self: end;
    font-weight: 600;
    color: var(--accent-color);
}

/* --- SCROLL ANIMASYONU --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.5, 0, 0, 1), transform 0.8s cubic-bezier(0.5, 0, 0, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

.delay-1 {
    transition-delay: 0.1s;
}

.delay-2 {
    transition-delay: 0.2s;
}

.delay-3 {
    transition-delay: 0.3s;
}

/* ==========================================================================
   404 SAYFASI ÖZEL STİLLERİ
   ========================================================================== */
.error-404 {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 40px 20px;
    height: 100%;
}

.error-code {
    font-size: clamp(100px, 15vw, 180px);
    font-weight: 700;
    color: var(--accent-color);
    line-height: 1;
    margin-bottom: 10px;
    text-shadow: var(--shadow-soft);
    letter-spacing: -5px;
}

.error-404 h2 {
    font-size: clamp(24px, 4vw, 36px);
    color: var(--text-primary);
    margin-bottom: 16px;
}

.error-404 p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    max-width: 500px;
}

.home-btn {
    padding: 14px 32px;
    justify-content: center;
}

.home-btn .store-icon {
    width: 22px;
    height: 22px;
}

@media (max-width: 900px) {
    .hero {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 40px;
    }

    .hero-text p {
        margin: 0 auto 30px;
    }

    .store-buttons {
        justify-content: center;
    }

    .hero-visual {
        order: -1;
    }

    .features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    .navbar {
        padding: 16px 5%;
    }

    .content-wrapper {
        padding-top: 100px;
    }

    .cta-banner {
        padding: 40px 20px;
    }

    .cta-banner h2 {
        font-size: 24px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 20px;
        justify-items: center;
    }

    .footer-logo,
    .footer-copyright,
    .contact-link {
        justify-self: center;
    }

    .accordion-header {
        font-size: 18px;
        padding: 20px;
    }

    .legal-text-body {
        padding: 0 20px;
    }
}