/* FONT, RENKLER VE TEMEL AYARLAR */
:root {
    --bg-color: #1c3d5b;
    --text-color: #f5f5f7;
    --accent-color: #d4af37; /* Altın rengi vurgu */
    --font-primary: "Josefin Sans", sans-serif;
}

* {
    margin: 0; padding: 0; box-sizing: border-box;
    -webkit-font-smoothing: antialiased;
}

.feature-img iframe{
    width: 100%;
    min-height: 300px;
    height: 100%;
}
/* =========================================
   GK PARTNERS STİLİ NAVBAR (SPLIT LAYOUT)
   ========================================= */
.gk-navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 90px;
    padding: 0 5%;
    display: grid;
    /* 3 Sütunlu Izgara: Sol menü (1fr), Logo (otomatik), Sağ menü (1fr) */
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    background: rgba(28, 61, 91, 0.85); /* Arka plana uygun cam efekti */
    backdrop-filter: blur(15px);
    z-index: 1000;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.nav-left { display: flex; gap: 2.5rem; justify-content: flex-start; }
.nav-right { display: flex; gap: 2.5rem; justify-content: flex-end; }

.gk-navbar a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 1.5px;
    text-transform: uppercase;
    position: relative;
    transition: color 0.3s ease;
}

/* Hover Animasyonu (İnce Alt Çizgi) */
.gk-navbar a::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0%;
    height: 1px;
    background-color: var(--accent-color);
    transition: width 0.3s ease;
}

.gk-navbar a:hover { color: var(--accent-color); }
.gk-navbar a:hover::after { width: 100%; }

/* Merkez Logo */
.gk-navbar .logo {
    font-size: 2.2rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--text-color);
    text-align: center;
    cursor: pointer;
    text-transform: uppercase;
}
.gk-navbar .logo img{
    height: 90px;
}

/* Mobil Menü Butonu (Gizli) */
.hamburger {
    display: none;
    flex-direction: column;
    gap: 6px;
    cursor: pointer;
    z-index: 1001;
}

.hamburger span {
    width: 30px;
    height: 2px;
    background-color: var(--text-color);
    transition: all 0.3s ease;
}

/* Mobil Offcanvas Menü (Gizli) */
.mobile-menu {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--bg-color);
    z-index: 999;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    transform: translateY(-100%);
    transition: transform 0.5s cubic-bezier(0.8, 0, 0.2, 1);
}

.mobile-menu.open { transform: translateY(0); }

.mobile-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 500;
    letter-spacing: 2px;
    text-transform: uppercase;
    transition: color 0.3s;
}
.mobile-menu a:hover { color: var(--accent-color); }

/* --- MOBİL UYARLAMA --- */
@media (max-width: 1024px) {
    .gk-navbar {
        display: flex;
        justify-content: space-between;
    }
    /* Mobilde sağ ve sol menüleri gizle */
    .nav-left, .nav-right { display: none; }
    /* Hamburger ikonunu göster */
    .hamburger { display: flex; }
    .gk-navbar .logo { font-size: 1.8rem; }
}
body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: "Josefin Sans", sans-serif ;

    overflow-x: hidden;
}

h1, h2, h3, .logo { font-weight: 600; }
p, a, span, div { font-weight: 300; }

body.loading { overflow: hidden; }

/* Loader */
#loader { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: var(--bg-color); z-index: 9999; display: flex; flex-direction: column; justify-content: center; align-items: center; transition: opacity 0.8s ease-out, visibility 0.8s ease-out; }
#loader.hidden { opacity: 0; visibility: hidden; }
.spinner { width: 50px; height: 50px; border: 2px solid rgba(255, 255, 255, 0.1); border-top-color: var(--accent-color); border-radius: 50%; animation: spin 1s linear infinite; margin-bottom: 20px; }
@keyframes spin { 100% { transform: rotate(360deg); } }
#loader-text { font-size: 1.2rem; font-weight: 500; letter-spacing: 3px; color: var(--accent-color); }

/* BUTON TASARIMLARI */
.btn-primary {
    display: inline-block;
    background: var(--accent-color);
    color: #000 !important;
    padding: 0.8rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 30px;
    text-decoration: none;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.3);
}
.btn-secondary {
    display: inline-block;
    background: transparent;
    color: var(--accent-color) !important;
    padding: 0.8rem 2rem;
    font-size: 1.1rem;
    font-weight: 500;
    border: 1px solid var(--accent-color);
    border-radius: 30px;
    text-decoration: none;
    transition: all 0.3s ease;
    margin-top: 1rem;
}
.btn-secondary:hover {
    background: var(--accent-color);
    color: #000 !important;
}
.small-mt { margin-top: 1.5rem; }
.big-btn { padding: 1rem 3rem; font-size: 1.3rem; }

/* =========================================
   SCROLLY SECTION (Tam Ekran ve Ortalanmış)
   ========================================= */
#scrolly {
    position: relative;
    /* 75+ resim için 600vh (6 ekran boyu) iyi bir hızdır */
    height: 600vh; 
    margin-top: 90px;
}

/* Resmin içinde çakılı kalacağı 'pencere' */
.sticky-viewport {
    position: sticky;
    top: 0; /* Ekranın en tepesine yapış */
    height: 100vh; /* Ekran boyu kadar yer kapla */
    width: 100%;
    overflow: hidden;
    z-index: 1; /* Metinlerin altında kalsın */
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Canvas Elementi (Render Edilecek Yer - Küçültüldü) */
#product-canvas {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%); /* Tam ortaya hizala */
    max-height: 90vh; /* Küçültüldü: Önceki 90vh idi */
    max-width: 170%;
    /* Canvas geçişleri sert olmasın diye hafif fade */
    transition: opacity 0.3s ease-in-out; 
    z-index: 1; /* Metinlerin altında kalsın */
}

/* Sabit Yan Metin Panelleri (z-index ile en üstte) */
.sticky-text-panels {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2; /* Canvas'ın üstünde */
}

/* Metin Panellerinin Temel Stili */
.text-panel {
    position: absolute;
    width: 28%; /* Width reduced for side appearance */
    padding: 2.5rem;
    color: var(--text-color);
    /* Initially hide */
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s ease-in-out, visibility 0.5s ease-in-out, transform 0.8s cubic-bezier(0.5, 0, 0, 1);
}

/* --- YENİ: İLK GELEN METİN PANELLERİNİN TASARIMI (Apple Tarzı Dev Metin) --- */

/* 1. Panel: Ana Başlık (Center) */
.text-panel.center {
    width: 100%;
    text-align: center;
    top: 3rem;
    left: 50%;
    transform: translate(-50%, -0%); /* Tam ortala */
    padding: 0; /* Padding'i sıfırlayıp başlığa verdik */
}

/* Ana Başlık (Anamon Parasol) */
.text-panel.center h2 {
    font-size: 5vw; /* Dev Metin (Responsive Viewport Width) */
    font-weight: 700;
    letter-spacing: -0.05em; /* Metni daha sıkı ve modern yap */
    color: var(--text-color); /* Siyah arka planda beyaz */
    margin-bottom: 0.2em; /* Sloganla arayı aç */
    line-height: 0.9; /* Satır aralığını daralt */
    opacity: 0.9; /* Hafif transparanlık, premium hissi */
}

/* Slogan (Center Sloganı) */
.text-panel.center p {
    font-size: 1.5vw; /* Slogan da büyük ama responsive */
    font-weight: 300;
    color: #a1b5c6; /* Hafif gri */
    letter-spacing: 0.1em; /* Harf aralığını aç (modern) */
    text-transform: uppercase; /* Tamamı büyük harf (lüks) */
}


/* --- YENİ: DİĞER YAN PANELLERİN TASARIMI (Masaüstü) --- */

.text-panel.left {
    left: 2.5%;
    top: 50%;
    transform: translateY(-50%) translateX(-150px);
}

.text-panel.right {
    left: 67.5%;
    top: 50%;
    transform: translateY(-50%) translateX(150px);
}

/* Panellerin Başlık ve Paragraf Stilleri (Yan) */
.text-panel h2 {
    font-size: 3.5rem; /* Yan başlıklar da büyük ama Hero kadar değil */
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.text-panel h3 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.text-panel p {
    font-size: 1.3rem;
    color: #a1b5c6;
    line-height: 1.6;
}

/* Yardımcı Boşluk Sınıfları */
.spacer { width: 100%; background: transparent; }
.height-80vh { height: 80vh; }


/* =========================================
   NORMAL SECTION (Scroll Bitince Gelen)
   ========================================= */

.normal-section {
    position: relative;
    z-index: 3; /* En üstte görünsün */
    background: #000; /* Kendi arka planı olsun ki öncekini kapatsın */
    padding: 120px 5%;
    min-height: 100vh;
    border-top: 1px solid #333;
}

/* ... Önceki Normal Section, Container, Features Grid CSS Kodları Aynı ... */


/* --- Animasyon Sınıfları ve Durumları --- */

/* Aktif Panel Durumu */
.text-panel.active {
    opacity: 1;
    visibility: visible;
}

/* Sol Panel Aktif */
.text-panel.left.active {
    transform: translateY(-50%) translateX(0);
}

/* Sağ Panel Aktif */
.text-panel.right.active {
    transform: translateY(-50%) translateX(0);
}

/* Başlangıç Metni Fade In */
.text-panel.center.reveal.fade-in {
    opacity: 0;
    transition: opacity 1s;
}
.text-panel.center.reveal.fade-in.active {
    opacity: 1;
}

/* İçerik Bölümleri */
.normal-section { position: relative; z-index: 3; background: var(--bg-color); padding: 120px 5%; overflow: hidden; }
.dark-bg { background: #122a40; border-top: 1px solid rgba(255,255,255,0.02); border-bottom: 1px solid rgba(255,255,255,0.02);}
.container { max-width: 1200px; margin: 0 auto; }
.text-center { text-align: center; margin-bottom: 4rem; }
.text-center h2 { font-size: 3.5rem; color: var(--accent-color); letter-spacing: -1px; }

.feature-row { display: flex; align-items: center; gap: 5%; }
.feature-row.reverse { flex-direction: row-reverse; }
.feature-text { flex: 1; }
.feature-text h2 { font-size: 3.5rem; margin-bottom: 1.5rem; line-height: 1.1; color: var(--text-color); letter-spacing: -1px;}
.feature-text p { font-size: 1.1rem; color: #a1b5c6; line-height: 1.8; margin-bottom: 1.5rem;}
.feature-img { flex: 1; }
.feature-img img { width: 100%; border-radius: 20px; box-shadow: 0 20px 50px rgba(0,0,0,0.3); }

.features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 3rem; }
.feat-item { background: rgba(255,255,255,0.02); border: 1px solid rgba(255,255,255,0.05); padding: 3rem 2rem; border-radius: 15px; text-align: center; transition: transform 0.4s ease; }
.feat-item:hover { transform: translateY(-10px); border-color: var(--accent-color); }
.feat-item h3 { font-size: 1.8rem; margin-bottom: 1rem; color: var(--accent-color); font-weight: 500; }
.feat-item p { color: #a1b5c6; line-height: 1.6; font-size: 1rem;}

/* CTA BÖLÜMÜ */
.cta-section { background: #0a1826; padding: 150px 5%; position: relative; z-index: 3; }
.cta-section h2 { font-size: 4rem; margin-bottom: 1rem; color: #fff; letter-spacing: -1px; }
.cta-section p { font-size: 1.3rem; color: #a1b5c6; margin-bottom: 2rem; }
.price-tag { font-size: 3rem; font-weight: 700; color: var(--accent-color); margin-bottom: 2rem; }

footer { text-align: center; padding: 3rem; background: #050d14; font-size: 0.9rem; letter-spacing: 1px; color: #5a758c; }

/* ANİMASYONLAR */
.reveal { opacity: 0; filter: blur(5px); transition: all 1s cubic-bezier(0.2, 0.8, 0.2, 1); }
.reveal.active { opacity: 1; filter: blur(0px); transform: translateY(0); }
.fade-bottom { transform: translateY(50px); }
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
/* =========================================
   YENİ LÜKS İKONLU BENTO GRID (5 ÖĞELİ)
   ========================================= */
/* =========================================
   YENİ LÜKS İKONLU BENTO GRID (6 SÜTUNLU KUSURSUZ YAPI)
   ========================================= */
.luxury-bento {
    display: grid;
    /* 6 sütunlu hassas ızgara oluşturuyoruz */
    grid-template-columns: repeat(6, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.bento-card {
    background: rgba(255, 255, 255, 0.015);
    border: 1px solid rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(10px);
    padding: 3rem;
    border-radius: 28px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: space-between;
    transition: all 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    position: relative;
    overflow: hidden;
    min-height: 280px;
}

.bento-card:hover {
    transform: translateY(-10px) scale(1.02);
    border-color: var(--accent-color);
    background: rgba(255, 255, 255, 0.03);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3), 0 0 15px rgba(212, 175, 55, 0.1);
}

.bento-icon {
    color: var(--accent-color);
    width: 60px;
    height: 60px;
    margin-bottom: 2rem;
    transition: transform 0.4s ease;
    display: flex; align-items: center; justify-content: center;
}

.bento-card:hover .bento-icon {
    transform: rotate(-10deg) scale(1.1);
}

.bento-icon svg {
    width: 100%;
    height: 100%;
}

.bento-content {
    width: 100%;
}

.bento-card h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--text-color);
    font-weight: 600;
    letter-spacing: -0.5px;
    line-height: 1.2;
}

.bento-card p {
    color: #a1b5c6;
    line-height: 1.7;
    font-size: 1.05rem;
    font-weight: 300;
}

/* --- KUTU GENİŞLİKLERİ VE YERLEŞİMLERİ (CSS NTH-CHILD İLE KONTROL) --- */

/* 1. Kutu: Üstün Mekanizma (4 Sütun - Geniş) */
.bento-card:nth-child(1) { grid-column: span 4; }

/* 2. Kutu: Akıllı Aydınlatma (2 Sütun - Dar) */
.bento-card:nth-child(2) { grid-column: span 2; }

/* 3. Kutu: Minimalist Estetik (3 Sütun - Tam Eşit Yarı Yarıya) */
.bento-card:nth-child(3) { grid-column: span 3; }

/* 4. Kutu: Zahmetsiz Hareket (3 Sütun - Tam Eşit Yarı Yarıya) */
.bento-card:nth-child(4) { grid-column: span 3; }

/* 5. Kutu: Her Mevsim Koruma (6 Sütun - Tam Genişlik Banner) */
.bento-card:nth-child(5) { grid-column: span 6; }


/* Geniş kutularda (1. ve 5. kutu) ikon ve metni yatay diz */
.bento-card:nth-child(1), .bento-card:nth-child(5) {
    flex-direction: row; 
    align-items: center;
    gap: 3rem;
}
.bento-card:nth-child(1) .bento-icon, .bento-card:nth-child(5) .bento-icon { 
    margin-bottom: 0; 
    flex-shrink: 0; 
    width: 80px; 
    height: 80px;
}

/* Animasyon Gecikmeleri (Öncekiyle uyumlu) */
.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }
.delay-4 { transition-delay: 0.4s; }
.delay-5 { transition-delay: 0.5s; }

/* =========================================
   MOBİL VE TABLET UYUMLULUK
   ========================================= */
@media (max-width: 1100px) {
    .luxury-bento {
        grid-template-columns: repeat(2, 1fr); /* Tabletlerde 2 sütun */
    }
.bento-card:nth-child(1) {flex-direction: column !important; align-items: flex-start; }
.bento-card{grid-column: span 4 !important;}

}

@media (max-width: 900px) {
    .luxury-bento {
        grid-template-columns: 1fr; /* Telefonlarda tek sütun */
        gap: 1.5rem;
    }
    .bento-card, .bento-card.span-2 {
        grid-column: span 1; /* Hepsi alt alta */
        flex-direction: column; /* Mobilde hepsi dikey düzen */
        align-items: flex-start;
        padding: 2rem;
        min-height: auto;
    }
    .bento-card.span-2 { gap: 0; }
    .bento-card.span-2 .bento-icon { margin-bottom: 1.5rem; width: 60px; height: 60px;}
    
    .bento-icon { width: 50px; height: 50px; margin-bottom: 1.5rem; }
    .bento-card h3 { font-size: 1.5rem; }
    .bento-card p { font-size: 1rem; }
}
/* MOBİL UYUMLULUK */
@media (max-width: 900px) {
    .text-panel {
        width: 90% !important; left: 5% !important; top: auto !important; bottom: 5% !important;
        transform: translateY(30px) !important; text-align: center !important; padding: 1.5rem;
        background: rgba(28, 61, 91, 0.8); backdrop-filter: blur(10px); border-radius: 20px;
    }
    .text-panel.active { transform: translateY(0) !important; }
    .text-panel h2 { font-size: 2.5rem; }
    .text-panel h3 { font-size: 1.8rem; }
    .text-panel p { font-size: 1rem; }
    .feature-row, .feature-row.reverse { flex-direction: column; text-align: center; gap: 2rem; }
    .feature-text h2 { font-size: 2.5rem; }
    .normal-section { padding: 80px 5%; }
    .cta-section h2 { font-size: 3rem; }
}