/* ==========================================================================
   BAYRAM CNC - PRO CORPORATE ARCHITECTURE (corporate.css)
   ========================================================================== */

.corporate-main {
    padding-top: 140px;
    background-color: var(--color-white);
}

/* --- 1. INTRO --- */
.corp-intro { padding: 40px 0 80px 0; }
.intro-grid { display: grid; grid-template-columns: 1fr; gap: 60px; align-items: flex-start; }

@media (min-width: 992px) {
    .intro-grid { grid-template-columns: 1.2fr 1fr; gap: 120px; }
}

.intro-text .eyebrow {
    display: block; font-family: var(--font-body); font-size: 0.75rem;
    text-transform: uppercase; letter-spacing: 6px; color: var(--color-text-light);
    margin-bottom: 25px; font-weight: 600;
}
.massive-title {
    font-family: var(--font-heading); font-size: clamp(3.2rem, 5.5vw, 5.5rem);
    line-height: 1.05; color: var(--color-text-dark); font-weight: 400; letter-spacing: -0.03em;
}
.massive-title em { font-style: italic; color: var(--color-primary); display: block; }
.intro-desc { padding-top: 35px; display: flex; gap: 25px; }
.vertical-line { width: 2px; background-color: var(--color-primary); flex-shrink: 0; }
.intro-desc p {
    font-family: var(--font-body); font-size: 1.2rem; color: var(--color-text-muted);
    line-height: 1.8; font-weight: 300;
}
.intro-visual { width: 100%; height: 65vh; min-height: 500px; overflow: hidden; margin-top: 60px; }
.intro-visual img { width: 100%; height: 100%; object-fit: cover; }

/* --- 2. PILLARS --- */
.corp-pillars { background-color: #050505; color: var(--color-white); padding: 140px 0; }
.pillars-grid { display: grid; grid-template-columns: 1fr; gap: 40px; }

@media (min-width: 992px) { .pillars-grid { grid-template-columns: repeat(3, 1fr); gap: 80px; } }

.pillar-card { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 40px; }
.pillar-number {
    display: block; font-family: var(--font-body); font-size: 0.8rem; font-weight: 600;
    color: var(--color-primary-light); margin-bottom: 25px; letter-spacing: 2px;
}
.pillar-card h3 {
    font-family: var(--font-heading); font-size: 1.8rem; color: var(--color-white);
    margin-bottom: 20px; font-weight: 400; letter-spacing: -0.01em;
}
.pillar-card p {
    font-family: var(--font-body); font-size: 1.05rem; color: rgba(255, 255, 255, 0.5);
    line-height: 1.75; font-weight: 300;
}

/* --- 3. REFERENCES GRID --- */
.corp-references { background-color: var(--color-surface); padding: 140px 0; }
.references-header { margin-bottom: 80px; border-bottom: 1px solid var(--color-border); padding-bottom: 40px; }

@media (min-width: 992px) {
    .references-header { display: flex; justify-content: space-between; align-items: flex-end; }
}

.section-title { font-family: var(--font-heading); font-size: clamp(2.5rem, 4vw, 3.8rem); font-weight: 400; color: var(--color-text-dark); letter-spacing: -0.02em; }
.section-subtitle { font-family: var(--font-body); font-size: 1.05rem; color: var(--color-text-muted); max-width: 450px; line-height: 1.6; font-weight: 300; }
.references-grid { display: grid; grid-template-columns: 1fr; gap: 60px 40px; }

@media (min-width: 768px) { .references-grid { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 1200px) { .references-grid { grid-template-columns: repeat(3, 1fr); } }

.ref-card { display: block; cursor: pointer; }
.ref-image { width: 100%; aspect-ratio: 4 / 3; overflow: hidden; position: relative; background-color: #EBEBEB; }
.ref-image img { width: 100%; height: 100%; object-fit: cover; transition: transform 1.8s cubic-bezier(0.19, 1, 0.22, 1); }
.ref-card:hover .ref-image img { transform: scale(1.05); }

.photo-badge {
    position: absolute; bottom: 25px; left: 25px; background-color: rgba(5, 5, 5, 0.8);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); color: var(--color-white);
    font-family: var(--font-body); font-size: 0.7rem; font-weight: 500; padding: 6px 14px;
    letter-spacing: 1.5px; text-transform: uppercase; z-index: 2; transition: background-color 0.4s ease;
}
.ref-card:hover .photo-badge { background-color: var(--color-primary); }

.hover-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(0, 0, 0, 0.2); opacity: 0; transition: opacity 0.5s ease; z-index: 1;
}
.ref-card:hover .hover-overlay { opacity: 1; }

.ref-info { padding-top: 20px; border-bottom: 1px solid transparent; transition: border-color 0.4s ease; }
.ref-card:hover .ref-info { border-bottom-color: var(--color-text-dark); }
.ref-name { font-family: var(--font-heading); font-size: 1.45rem; color: var(--color-text-dark); font-weight: 400; margin-bottom: 4px; }
.ref-category { display: block; font-family: var(--font-body); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 2px; color: var(--color-text-light); padding-bottom: 15px; }

/* --- 4. PRO LIGHTBOX ANIMATIONS --- */
.gallery-modal {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    z-index: 9999; display: flex; flex-direction: column; align-items: center; justify-content: center;
    pointer-events: none; /* Tıklamaları geçici kapatır */
}

/* Modal Arkaplanı (Pürüzsüz Blur Etkisi) */
.modal-backdrop {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background-color: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(15px); -webkit-backdrop-filter: blur(15px);
    opacity: 0; transition: opacity 0.6s cubic-bezier(0.19, 1, 0.22, 1);
}

.gallery-modal.active { pointer-events: auto; }
.gallery-modal.active .modal-backdrop { opacity: 1; }

/* Modal İçeriği Ölçeklenme */
.gallery-modal .modal-content {
    position: relative; z-index: 2; display: flex; align-items: center; justify-content: center;
    width: 90%; max-width: 1400px; height: 80vh;
    opacity: 0; transform: scale(0.95);
    transition: opacity 0.6s cubic-bezier(0.19, 1, 0.22, 1) 0.1s, transform 0.6s cubic-bezier(0.19, 1, 0.22, 1) 0.1s;
}

.gallery-modal.active .modal-content { opacity: 1; transform: scale(1); }

.modal-image-container {
    position: relative; max-width: 85%; height: 100%;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
}

/* Yükleme Animatörü (Preloader) */
.loader-spinner {
    position: absolute; width: 30px; height: 30px;
    border: 2px solid rgba(255,255,255,0.1); border-top-color: var(--color-white);
    border-radius: 50%; animation: spin 1s linear infinite;
    opacity: 0; transition: opacity 0.3s ease;
}
@keyframes spin { to { transform: rotate(360deg); } }
.modal-image-container.is-loading .loader-spinner { opacity: 1; }

/* Asıl Görsel Animasyonları (Donanım Hızlandırmalı) */
.modal-image-container img {
    max-width: 100%; max-height: 100%; object-fit: contain;
    box-shadow: 0 30px 80px rgba(0,0,0,0.6);
    opacity: 0; transform: translateY(10px);
    transition: opacity 0.5s cubic-bezier(0.19, 1, 0.22, 1), transform 0.5s cubic-bezier(0.19, 1, 0.22, 1);
    will-change: opacity, transform;
}

.modal-image-container img.loaded { opacity: 1; transform: translateY(0); }

/* Özel Kapatma Butonu (PRO UI) */
.modal-close {
    position: absolute; top: 40px; right: 50px;
    width: 40px; height: 40px; background: transparent; border: none;
    cursor: pointer; z-index: 10; display: flex; align-items: center; justify-content: center;
    opacity: 0; transform: translateY(-10px); transition: all 0.6s ease 0.2s;
}
.gallery-modal.active .modal-close { opacity: 1; transform: translateY(0); }

.close-line {
    position: absolute; width: 30px; height: 1px; background-color: var(--color-white);
    transition: background-color 0.3s ease, transform 0.4s ease;
}
.close-line:nth-child(1) { transform: rotate(45deg); }
.close-line:nth-child(2) { transform: rotate(-45deg); }
.modal-close:hover .close-line { background-color: var(--color-primary); }
.modal-close:hover .close-line:nth-child(1) { transform: rotate(135deg); }
.modal-close:hover .close-line:nth-child(2) { transform: rotate(45deg); }

/* Navigasyon Okları */
.nav-btn {
    background: transparent; border: none; color: rgba(255, 255, 255, 0.4);
    cursor: pointer; padding: 20px; z-index: 5; position: absolute; top: 50%; transform: translateY(-50%);
    transition: color 0.3s ease;
}
.arrow-icon { display: block; font-size: 2.5rem; font-weight: 300; transition: transform 0.4s cubic-bezier(0.19, 1, 0.22, 1); }
.nav-btn:hover { color: var(--color-white); }
.prev-btn { left: 0; }
.prev-btn:hover .arrow-icon { transform: translateX(-10px); }
.next-btn { right: 0; }
.next-btn:hover .arrow-icon { transform: translateX(10px); }

.image-counter { margin-top: 25px; color: rgba(255, 255, 255, 0.4); font-family: var(--font-body); font-size: 0.85rem; letter-spacing: 3px; }
.modal-caption {
    position: absolute; bottom: 40px; color: var(--color-white); font-family: var(--font-heading);
    font-size: 1.5rem; letter-spacing: 1px; opacity: 0; transform: translateY(15px);
    transition: opacity 0.6s ease 0.3s, transform 0.6s ease 0.3s;
}
.gallery-modal.active .modal-caption { opacity: 1; transform: translateY(0); }

@media (max-width: 991px) {
    .modal-image-container { max-width: 100%; }
    .nav-btn { display: none !important; }
    .modal-close { top: 20px; right: 20px; }
    .modal-caption { bottom: 20px; font-size: 1.2rem; }
}