/* =========================================================
   ÖNCE ÖĞRENCİ - ANA STİL DOSYASI (Premium Glass UI)
   ========================================================= */

:root {
    --glass-bg: rgba(20, 20, 20, 0.45); 
    --glass-bg-dark: rgba(0, 0, 0, 0.4);
    --glass-border: rgba(255, 255, 255, 0.12); 
    --glass-blur: blur(50px);
    --text-main: #ffffff;
    --text-muted: rgba(255, 255, 255, 0.6);
    --premium-dark: #1d1d1f; 
    --brand-color: #d60e1c;
    --error-color: #FF9F0A;
}

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

/* Mobilde sağa sola kaymayı ve taşmayı kesin olarak engeller */
html, body {
    width: 100%;
    max-width: 100vw;
    overflow-x: hidden;
    position: relative;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Inter', sans-serif;
    color: var(--text-main);
    -webkit-font-smoothing: antialiased;
    background-color: #000;
}

/* Tüm başlıklarda uzun kelimelerin ekrandan taşmasını engeller */
h1, h2, h3, h4, h5, h6 {
    word-wrap: break-word;
    overflow-wrap: break-word;
    hyphens: auto;
}

/* Sabit menünün, linklere tıklandığında içeriği örtmesini engeller */
section {
    scroll-margin-top: 100px;
}

/* ===== ORTAK: ARKA PLAN ===== */
.bg-container {
    position: fixed; top: -5%; left: -5%; width: 110vw; height: 110vh; z-index: -4;
    background: url('../image/rumeysakadak.jpeg') no-repeat center center;
    background-size: cover; filter: blur(40px) brightness(0.4) saturate(120%); 
}

.bg-overlay {
    position: fixed; inset: 0; z-index: -3;
    background: radial-gradient(circle at 50% 0%, rgba(255,255,255,0.03) 0%, transparent 70%);
}

/* ===== ORTAK: YÜZEN MENÜ (HEADER) ===== */
.menu-backdrop {
    position: fixed; inset: 0; z-index: 990; background: rgba(0, 0, 0, 0.5); 
    backdrop-filter: blur(20px); opacity: 0; visibility: hidden; transition: all 0.4s ease;
}
.menu-backdrop.active { opacity: 1; visibility: visible; }

header { position: fixed; top: 0; width: 100%; z-index: 1000; padding: 20px; display: flex; justify-content: center; pointer-events: none; }

.floating-pill-nav {
    pointer-events: auto; background: rgba(30, 30, 30, 0.6); backdrop-filter: var(--glass-blur) saturate(180%); 
    -webkit-backdrop-filter: var(--glass-blur) saturate(180%); border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50px; padding: 6px 10px; display: flex; align-items: center; gap: 10px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.5), inset 0 1px 1px rgba(255,255,255,0.1);
}

.menu-logo { height: 32px; width: auto; margin-left: 10px; transition: 0.3s; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5)); }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin-left: 5px; }
.nav-links li a { color: var(--text-muted); text-decoration: none; font-size: 14px; font-weight: 500; display: flex; align-items: center; gap: 6px; padding: 10px 18px; border-radius: 50px; transition: all 0.3s ease; }
.nav-links li a:hover { color: #fff; background: rgba(255, 255, 255, 0.08); }
.nav-links li a.active { background: rgba(255, 255, 255, 0.15); color: #fff; font-weight: 600; box-shadow: inset 0 1px 1px rgba(255,255,255,0.1); }
.mobile-toggle { display: none; background: transparent; border: none; color: white; font-size: 24px; cursor: pointer; padding: 0 10px; }

/* ===== ORTAK: APPLE VISION FLOATING PILL BUTON ===== */
.floating-apply-btn {
    position: fixed; bottom: 40px; right: 40px; z-index: 1050;
    background: rgba(25, 25, 25, 0.8); backdrop-filter: blur(40px) saturate(200%); -webkit-backdrop-filter: blur(40px) saturate(200%);
    border: 1px solid rgba(255, 255, 255, 0.15); border-radius: 60px; padding: 8px 24px 8px 8px; display: flex; align-items: center; gap: 15px;
    color: #ffffff; text-decoration: none; font-weight: 600; font-size: 1.05rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.15); transition: all 0.4s ease;
}
.floating-apply-btn:hover { background: rgba(10, 10, 10, 0.9); transform: translateY(-5px) scale(1.02); box-shadow: 0 25px 50px rgba(0, 0, 0, 0.4), inset 0 1px 1px rgba(255, 255, 255, 0.25); border-color: rgba(255, 255, 255, 0.3); color: #ffffff; }
.floating-apply-btn .icon-circle { background: rgba(255, 255, 255, 0.12); backdrop-filter: blur(10px); width: 42px; height: 42px; border-radius: 50%; display: flex; align-items: center; justify-content: center; border: 1px solid rgba(255, 255, 255, 0.15); box-shadow: inset 0 1px 3px rgba(255,255,255,0.2); }
.floating-apply-btn i { font-size: 1.3rem; color: #ffffff; }

/* =========================================================
   ANASAYFA STİLLERİ
   ========================================================= */
.slider-section { height: 100dvh; width: 100%; position: relative; overflow: hidden; }
.swiper { width: 100%; height: 100%; }
.swiper-slide { display: flex; align-items: center; justify-content: center; background: transparent; overflow-y: auto; padding: 100px 0; }
.slide-content { max-width: 1300px; width: 100%; display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; padding: 0 60px; }
.text-zone { display: flex; flex-direction: column; align-items: flex-start; width: 100%; }
.event-badge { background: rgba(255, 255, 255, 0.08); backdrop-filter: var(--glass-blur); border: 1px solid var(--glass-border); color: #fff; font-size: 11px; font-weight: 500; letter-spacing: 1.5px; padding: 8px 20px; border-radius: 30px; margin-bottom: 20px; box-shadow: 0 5px 15px rgba(0,0,0,0.2), inset 0 1px 1px rgba(255,255,255,0.1); }
.text-zone h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); line-height: 1.1; font-weight: 600; margin-bottom: 15px; letter-spacing: -1px; }
.text-zone p { color: var(--text-muted); font-size: clamp(1rem, 2vw, 1.15rem); margin-bottom: 30px; line-height: 1.6; }
.vision-box { background: var(--glass-bg); backdrop-filter: var(--glass-blur) saturate(180%); border: 1px solid var(--glass-border); border-radius: 24px; padding: 25px 30px; width: 100%; max-width: 480px; box-shadow: 0 20px 40px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.1); }
.box-title { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 1px; margin-bottom: 15px; display: block; }
.countdown { display: flex; justify-content: space-between; align-items: center; }
.num { font-size: clamp(20px, 4vw, 32px); font-weight: 600; display: block; color: #fff; }
.label { font-size: 10px; color: var(--text-muted); text-transform: uppercase; margin-top: 4px; }
.countdown > div { display: flex; flex-direction: column; align-items: center; min-width: 50px; }
.apply-btn { display: inline-flex; align-items: center; gap: 8px; margin-top: 25px; padding: 14px 30px; background: rgba(255, 255, 255, 0.08); backdrop-filter: blur(20px); border: 1px solid rgba(255, 255, 255, 0.15); color: #ffffff; font-size: 15px; font-weight: 600; text-decoration: none; border-radius: 50px; transition: all 0.3s ease; }
.apply-btn:hover { background: rgba(255, 255, 255, 0.15); border-color: rgba(255, 255, 255, 0.3); transform: scale(1.02); }
.glass-card { background: var(--glass-bg); border: 1px solid var(--glass-border); backdrop-filter: var(--glass-blur) saturate(180%); border-radius: 32px; padding: 15px; position: relative; }
.glass-card img { width: 100%; border-radius: 20px; display: block; object-fit: cover; aspect-ratio: 16/10; }

/* ===== SLIDER OKLARI ===== */
.swiper-button-next, .swiper-button-prev { 
    color: #fff !important; 
    background: rgba(30, 30, 30, 0.65); 
    backdrop-filter: blur(20px); 
    -webkit-backdrop-filter: blur(20px); 
    width: 56px !important; 
    height: 56px !important; 
    border-radius: 50%; 
    border: 1px solid rgba(255, 255, 255, 0.2); 
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    box-shadow: 0 10px 30px rgba(0,0,0,0.3);
}
.swiper-button-prev { left: 40px !important; }
.swiper-button-next { right: 40px !important; }
.swiper-button-next:after, .swiper-button-prev:after { font-size: 20px !important; font-weight: 700 !important; }
.swiper-button-next:hover, .swiper-button-prev:hover { 
    background: rgba(255, 255, 255, 0.2); transform: scale(1.1); border-color: #fff; box-shadow: 0 15px 40px rgba(0,0,0,0.4);
}
.swiper-pagination { bottom: 25px !important; }
.swiper-pagination-bullet { background: rgba(255,255,255,0.3) !important; opacity: 1; transition: 0.3s; }
.swiper-pagination-bullet-active { background: #ffffff !important; width: 25px; border-radius: 5px; }

.features-section { background-color: #f8f9fc; padding: 140px 20px 80px 20px; position: relative; z-index: 10; overflow: hidden; }
.features-section::before, .features-section::after { content: ''; position: absolute; border-radius: 50%; filter: blur(120px); z-index: -1; pointer-events: none; }
.features-section::before { top: 5%; left: 0%; width: 700px; height: 700px; background: rgba(214, 14, 28, 0.07); }
.features-section::after { top: 50%; right: 0%; width: 800px; height: 800px; background: rgba(0, 122, 255, 0.05); }
.features-container { max-width: 1200px; margin: 0 auto; display: flex; flex-direction: column; gap: 100px; }
.feature-glass-panel { display: flex; align-items: center; gap: 70px; background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.4) 100%); backdrop-filter: blur(40px); border: 1px solid rgba(255, 255, 255, 0.9); border-radius: 48px; padding: 48px; box-shadow: 0 40px 80px rgba(0, 0, 0, 0.05); transition: 0.5s; }
.feature-glass-panel:hover { transform: translateY(-8px); box-shadow: 0 50px 100px rgba(0, 0, 0, 0.08); }
.feature-glass-panel:nth-child(even) { flex-direction: row-reverse; }
.feature-image-wrapper { flex: 1; padding: 12px; background: rgba(255, 255, 255, 0.6); border-radius: 36px; box-shadow: 0 20px 40px rgba(0, 0, 0, 0.06); }
.feature-image-wrapper img { width: 100%; border-radius: 26px; object-fit: cover; aspect-ratio: 16/10; }
.feature-text { flex: 1; padding: 0 15px; }
.feature-text h2 { font-size: clamp(2rem, 4vw, 2.6rem); font-weight: 700; color: var(--premium-dark); margin-bottom: 24px; }
.feature-text p { font-size: 1.15rem; line-height: 1.7; color: #515154; margin-bottom: 18px; }

/* =========================================================
   KONUŞMACILAR BÖLÜMÜ
   ========================================================= */
.speakers-section { background: transparent; padding: 120px 20px; position: relative; z-index: 10; overflow: hidden; }
.speakers-header { text-align: center; margin-bottom: 50px; }
.speakers-header h2 { font-size: clamp(2rem, 5vw, 2.8rem); font-weight: 700; color: #ffffff; margin-bottom: 30px; }

.year-tabs { display: inline-flex; background: rgba(20, 20, 20, 0.35); backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px); border-radius: 50px; padding: 8px; gap: 5px; border: 1px solid rgba(255, 255, 255, 0.1); }
.year-tab-btn { background: transparent; border: none; color: rgba(255, 255, 255, 0.8); font-size: 1.1rem; font-weight: 600; padding: 12px 30px; border-radius: 50px; cursor: pointer; transition: 0.3s; }
.year-tab-btn.active, .year-tab-btn:hover { background: rgba(255, 255, 255, 0.15); color: #ffffff; box-shadow: 0 5px 15px rgba(0,0,0,0.2); }

.speaker-grid-container { max-width: 1200px; margin: 0 auto; position: relative; }
.speaker-grid { display: none; grid-template-columns: repeat(4, 1fr); gap: 30px; animation: fadeIn 0.5s ease; }
.speaker-grid.active { display: grid; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }

.speaker-card { background: rgba(20, 20, 20, 0.3); backdrop-filter: blur(30px) saturate(150%); -webkit-backdrop-filter: blur(30px) saturate(150%); border-radius: 24px; overflow: hidden; text-align: center; display: flex; flex-direction: column; transition: 0.4s; border: 1px solid rgba(255, 255, 255, 0.1); box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3), inset 0 1px 1px rgba(255, 255, 255, 0.08); }
.speaker-card:hover { transform: translateY(-10px); box-shadow: 0 30px 60px rgba(0, 0, 0, 0.5), inset 0 1px 1px rgba(255, 255, 255, 0.15); border-color: rgba(255, 255, 255, 0.25); background: rgba(30, 30, 30, 0.4); }
.speaker-img { width: 100%; height: 220px; object-fit: cover; border-bottom: 1px solid rgba(255, 255, 255, 0.05); }
.speaker-info { padding: 20px 15px; flex-grow: 1; }
.speaker-name { font-size: 1.15rem; font-weight: 700; color: #ffffff; margin-bottom: 6px; }
.speaker-title { font-size: 0.85rem; color: rgba(255, 255, 255, 0.7); }

/* =========================================================
   İSTATİSTİKLER BÖLÜMÜ
   ========================================================= */
.stats-section { background-color: #f8f9fc; padding: 80px 20px; position: relative; z-index: 10; }
.stats-container { max-width: 1200px; margin: 0 auto; display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
.stat-glass-card { background: rgba(255, 255, 255, 0.9); backdrop-filter: blur(40px); border-radius: 40px; padding: 50px 30px; text-align: center; box-shadow: 0 30px 60px rgba(0, 0, 0, 0.04); transition: 0.5s; }
.stat-glass-card:hover { transform: translateY(-10px); }
.stat-icon { font-size: 45px; color: var(--premium-dark); margin-bottom: 20px; }
.stat-glass-card h3 { font-size: 1.2rem; color: var(--premium-dark); font-weight: 700; margin-bottom: 5px; }
.stat-glass-card p { font-size: 0.9rem; color: #515154; margin-bottom: 25px; }
.stat-main-num { font-size: clamp(3rem, 5vw, 4rem); font-weight: 800; color: var(--premium-dark); margin-bottom: 30px; }
.stat-sub-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; border-top: 1px solid rgba(0,0,0,0.08); padding-top: 25px; }
.sub-item { display: flex; flex-direction: column; gap: 5px; }
.sub-num { font-size: 1.6rem; font-weight: 700; color: var(--premium-dark); }
.sub-label { font-size: 0.85rem; color: #515154; text-transform: uppercase; letter-spacing: 1px; }

/* =========================================================
   ÖĞRENCİ YORUMLARI
   ========================================================= */
.testimonials-section { background-color: #f8f9fc; padding: 80px 20px; position: relative; z-index: 10; overflow: hidden; }
.testimonials-container { max-width: 1200px; margin: 0 auto; padding: 0; position: relative; }
.testimonials-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 40px; }
.testimonials-header h2 { font-size: clamp(1.8rem, 4vw, 2.2rem); font-weight: 700; color: var(--premium-dark); margin: 0; }
.testi-nav { display: flex; gap: 15px; }
.testi-arrow { width: 48px; height: 48px; border-radius: 50px; display: flex; align-items: center; justify-content: center; background: #fff; border: 1px solid rgba(0,0,0,0.08); color: var(--premium-dark); cursor: pointer; transition: 0.3s; }
.testi-arrow:hover { box-shadow: 0 10px 20px rgba(0, 0, 0, 0.08); transform: scale(1.05); }
.testimonials-swiper { width: 100%; padding: 20px 10px 40px 10px; margin: -20px -10px -40px -10px; overflow: hidden; }
.testimonials-swiper .swiper-wrapper { align-items: stretch; }
.testimonials-swiper .swiper-slide { height: auto; display: flex; }
.testi-card { width: 100%; background: #ffffff; border-radius: 30px; padding: 40px; box-shadow: 0 20px 40px rgba(0, 0, 0, 0.03); display: flex; flex-direction: column; height: 100%; border: 1px solid rgba(0,0,0,0.02); transition: 0.3s; }
.testi-card:hover { transform: translateY(-5px); box-shadow: 0 25px 50px rgba(0,0,0,0.06); }
.testi-user { display: flex; align-items: center; gap: 20px; margin-bottom: 25px; }
.testi-avatar { width: 60px; height: 60px; border-radius: 50%; background: #f0f0f0; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.testi-name { font-size: 1.3rem; font-weight: 700; color: var(--premium-dark); }
.testi-divider { height: 1px; background: #f0f0f0; width: 100%; margin-bottom: 25px; }
.testi-text { font-size: 1.05rem; line-height: 1.6; color: #666; flex-grow: 1; }

/* =========================================================
   GÖNÜLLÜLÜK BÖLÜMÜ
   ========================================================= */
.volunteer-section { background-color: #f8f9fc; padding: 80px 20px; position: relative; z-index: 10; }
.volunteer-container { max-width: 1000px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 60px; background: #ffffff; border-radius: 45px; padding: 80px 100px; box-shadow: 0 30px 60px rgba(0, 0, 0, 0.04); }
.volunteer-content { flex: 1; display: flex; flex-direction: column; align-items: flex-start; text-align: left; }
.volunteer-content h2 { font-size: clamp(1.8rem, 2.5vw, 2.2rem); font-weight: 700; color: var(--premium-dark); margin-bottom: 30px; line-height: 1.3;}
.vision-pill-btn { display: inline-flex; align-items: center; gap: 12px; padding: 8px 24px 8px 8px; background: rgba(30, 30, 30, 0.85); border-radius: 50px; color: #ffffff !important; font-weight: 600; text-decoration: none; box-shadow: 0 10px 20px rgba(0,0,0,0.2);}
.vision-pill-btn .icon-circle { background: rgba(255, 255, 255, 0.12); width: 38px; height: 38px; border-radius: 50%; display: flex; align-items: center; justify-content: center; }

.volunteer-stack-wrapper { flex: 1; position: relative; height: 420px; width: 100%; display: flex; justify-content: center; align-items: center; }
.stack-card { position: absolute; width: 300px; height: 400px; border-radius: 24px; border: 5px solid #ffffff; transition: 0.5s; cursor: pointer; box-shadow: 0 10px 30px rgba(0,0,0,0.1);}
.stack-card img { width: 100%; height: 100%; object-fit: cover; border-radius: 19px; }
.card-pos-1 { z-index: 3; transform: translateX(-40px) translateY(0) scale(1); opacity: 1; }
.card-pos-2 { z-index: 2; transform: translateX(0px) translateY(10px) rotate(5deg) scale(0.95); opacity: 0.9; }
.card-pos-3 { z-index: 1; transform: translateX(40px) translateY(20px) rotate(10deg) scale(0.9); opacity: 0.8; }
.volunteer-stack-wrapper:hover .card-pos-2 { transform: translateX(15px) translateY(8px) rotate(7deg) scale(0.95); opacity: 0.95; }
.volunteer-stack-wrapper:hover .card-pos-3 { transform: translateX(60px) translateY(15px) rotate(14deg) scale(0.9); opacity: 0.9; }

/* =========================================================
   ORTAK FOOTER (APPLE VISION DARK GLASS)
   ========================================================= */
.vision-footer-section { background: transparent; padding: 80px 20px 60px; position: relative; z-index: 10; overflow: hidden; }
.vision-footer-glass { max-width: 1200px; margin: 0 auto; background: rgba(20, 20, 20, 0.35); backdrop-filter: blur(40px) saturate(200%); -webkit-backdrop-filter: blur(40px) saturate(200%); border-radius: 48px; padding: 60px 60px 40px; box-shadow: 0 40px 80px rgba(0,0,0,0.6), inset 0 1px 1px rgba(255,255,255,0.1); border: 1px solid rgba(255, 255, 255, 0.1); }
.footer-grid { display: grid; grid-template-columns: 2fr 1.5fr 1.5fr; gap: 60px; margin-bottom: 50px; }
.footer-logo-glass { height: 40px; margin-bottom: 20px; filter: drop-shadow(0 2px 4px rgba(0,0,0,0.5));}
.footer-desc { color: rgba(255, 255, 255, 0.6); font-size: 1rem; line-height: 1.7; max-width: 320px; }

.footer-title { font-size: 1.15rem; font-weight: 700; color: #ffffff; margin-bottom: 20px; letter-spacing: 0.5px; text-align: left; padding-left: 20px; }
.vision-links { list-style: none; display: flex; flex-direction: column; gap: 12px; align-items: flex-start; width: 100%;}
.vision-links li { width: 100%; max-width: 220px; }
.vision-links li a { color: rgba(255, 255, 255, 0.7); text-decoration: none; padding: 10px 20px; border-radius: 50px; background: rgba(255, 255, 255, 0.05); border: 1px solid rgba(255, 255, 255, 0.1); display: block; width: 100%; text-align: left; transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1); }
.vision-links li a:hover { background: rgba(255, 255, 255, 0.15); color: #ffffff; border-color: rgba(255, 255, 255, 0.3); box-shadow: 0 10px 20px rgba(0,0,0,0.2); transform: translateX(5px); }

.footer-socials { display: flex; gap: 15px; flex-wrap: wrap; margin-top: 20px; }
.social-pill { width: 45px; height: 45px; border-radius: 50px; background: rgba(255, 255, 255, 0.05); display: inline-flex; align-items: center; justify-content: center; color: #ffffff; font-size: 1.2rem; text-decoration: none; transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1); border: 1px solid rgba(255, 255, 255, 0.1); }
.social-pill:hover { background: #ffffff; color: var(--premium-dark); transform: translateY(-5px); box-shadow: 0 15px 30px rgba(0,0,0,0.3); }
.vision-footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-top: 30px; display: flex; justify-content: center; color: rgba(255, 255, 255, 0.5); font-size: 0.9rem; }

/* =========================================================
   İLETİŞİM SAYFASI STİLLERİ
   ========================================================= */
.contact-section { padding: 130px 20px 80px 20px; max-width: 750px; margin: 0 auto; min-height: 100vh; display: flex; flex-direction: column; align-items: center; }
.contact-glass { width: 100%; background: var(--glass-bg); backdrop-filter: blur(40px); border: 1px solid var(--glass-border); border-radius: 36px; padding: 50px; box-shadow: 0 40px 80px rgba(0,0,0,0.5); }
.contact-header { text-align: center; margin-bottom: 40px; }
.contact-header h1 { font-size: 2.5rem; font-weight: 600; color: #fff; margin-bottom: 12px; }
.contact-header p { color: var(--text-muted); margin-bottom: 25px; }
.email-box { display: inline-flex; align-items: center; gap: 10px; padding: 8px 20px; background: rgba(255, 255, 255, 0.05); border-radius: 40px; text-decoration: none; color: #fff; border: 1px solid rgba(255,255,255,0.1);}
.custom-form { display: flex; flex-direction: column; gap: 24px; }
.input-group label { font-size: 13px; color: rgba(255, 255, 255, 0.8); margin-left: 4px; }
.liquid-input { width: 100%; padding: 16px; background: rgba(0, 0, 0, 0.25); border: 1px solid rgba(255, 255, 255, 0.1); border-radius: 16px; color: #fff; outline: none; transition: 0.3s; margin-top: 8px;}
.liquid-input:focus { background: rgba(0,0,0,0.4); border-color: rgba(255,255,255,0.3); }
textarea.liquid-input { min-height: 120px; resize: vertical; }
.submit-btn { width: 100%; padding: 16px; background: rgba(255, 255, 255, 0.08); border: 1px solid rgba(255, 255, 255, 0.15); border-radius: 20px; color: #fff; font-weight: 600; cursor: pointer; transition: 0.3s; box-shadow: 0 10px 20px rgba(0,0,0,0.2); margin-top: 10px;}
.submit-btn:hover { background: rgba(255, 255, 255, 0.15); transform: scale(1.02); }

.error-message { display: none; color: var(--error-color); font-size: 12px; margin-top: 5px; margin-left: 6px; }
.liquid-input.error-active { border-color: var(--error-color); }
@keyframes shake { 0%, 100% { transform: translateX(0); } 25% { transform: translateX(-4px); } 75% { transform: translateX(4px); } }
.shake-anim { animation: shake 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-5px); } to { opacity: 1; transform: translateY(0); } }
#successMessage { display: none; background: rgba(255,255,255,0.05); border: 1px solid rgba(255, 255, 255, 0.15); color: #fff; padding: 30px; border-radius: 24px; text-align: center; margin-top: 20px; font-weight: 500; backdrop-filter: blur(20px); box-shadow: 0 20px 40px rgba(0,0,0,0.3); animation: fadeIn 0.5s ease; }

/* =========================================================
   HAKKIMIZDA SAYFASI STİLLERİ
   ========================================================= */
.about-section { padding: 150px 40px 80px 40px; max-width: 1200px; margin: 0 auto; min-height: 100vh; display: flex; flex-direction: column; gap: 60px; }
.intro-glass { background: var(--glass-bg); backdrop-filter: blur(40px); border: 1px solid var(--glass-border); border-radius: 40px; padding: 50px; display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
.intro-text h1 { font-size: clamp(2rem, 4vw, 3.2rem); font-weight: 700; margin-bottom: 20px; color: #fff; }
.intro-text p { font-size: 1.4rem; color: #ffb3b8; }
.intro-image { width: 100%; border-radius: 24px; object-fit: cover; aspect-ratio: 4/3; }
.content-card { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.content-card.reverse { direction: rtl; }
.content-card.reverse > * { direction: ltr; }
.card-text { background: rgba(0,0,0,0.4); backdrop-filter: blur(40px); border: 1px solid var(--glass-border); border-radius: 30px; padding: 40px; }
.card-text h2 { font-size: 2.2rem; color: #fff; margin-bottom: 20px; }
.card-text p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 15px; }
.card-image-wrapper { border-radius: 30px; padding: 10px; background: rgba(255, 255, 255, 0.05); }
.card-image-wrapper img { width: 100%; border-radius: 20px; }
.action-link { color: #ff4d5a; text-decoration: none; border-bottom: 1px dashed rgba(255, 77, 90, 0.5); padding-bottom: 2px;}

/* =========================================================
   404 HATA SAYFASI STİLLERİ (DARK GLASS)
   ========================================================= */
.error-section { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 120px 20px 60px 20px; position: relative; z-index: 10; }
.error-glass { background: rgba(20, 20, 20, 0.45); backdrop-filter: blur(40px) saturate(200%); -webkit-backdrop-filter: blur(40px) saturate(200%); border: 1px solid rgba(255, 255, 255, 0.12); border-radius: 48px; padding: 60px 40px; text-align: center; max-width: 600px; width: 100%; box-shadow: 0 40px 80px rgba(0,0,0,0.5), inset 0 1px 1px rgba(255,255,255,0.1); animation: fadeIn 0.8s ease; }
.error-glass h1 { font-size: clamp(6rem, 15vw, 10rem); font-weight: 800; line-height: 1; margin-bottom: 10px; background: linear-gradient(135deg, #ffffff 0%, rgba(255,255,255,0.2) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; text-shadow: 0 10px 30px rgba(0,0,0,0.3); }
.error-glass h2 { font-size: clamp(1.5rem, 4vw, 2.2rem); color: #fff; margin-bottom: 15px; font-weight: 700; letter-spacing: -0.5px; }
.error-glass p { color: var(--text-muted); font-size: 1.1rem; margin-bottom: 35px; line-height: 1.6; }

/* =========================================================
   ORTAK MOBİL UYUM 
   ========================================================= */
@media (max-width: 900px) {
    /* YENİ ÜST İKON MENÜSÜ */
    header { padding: 15px 10px; }
    .floating-pill-nav { width: 100%; justify-content: space-between; padding: 6px 12px; }
    .menu-logo { height: 28px; } 
    .mobile-toggle { display: none !important; } 
    
    .nav-links { 
        position: static; 
        flex-direction: row; 
        background: transparent; 
        padding: 0; 
        opacity: 1; 
        visibility: visible; 
        width: auto;
        gap: 5px; 
    }
    .nav-links li { width: auto; }
    .nav-links li a { 
        font-size: 0; 
        padding: 8px 12px; 
        border-radius: 50px;
    }
    .nav-links li a i { 
        font-size: 1.3rem; 
    }

    /* Index Mobil Hizalamaları */
    .slide-content { grid-template-columns: 1fr; padding: 0 20px; text-align: center; margin-top: 20px;}
    .glass-card { order: -1; margin: 0 auto;}
    .text-zone { align-items: center; text-align: center; max-width: 100%; }
    .text-zone h1 { font-size: 2.2rem; margin-bottom: 8px; text-align: center; width: 100%; }
    .text-zone p { font-size: 0.95rem; margin-bottom: 15px; line-height: 1.4; max-width: 100%; text-align: center; }
    .event-badge { margin-left: auto; margin-right: auto; }
    
    .swiper-button-next, .swiper-button-prev, .glass-arrow { display: none !important; visibility: hidden !important; }
    
    .floating-apply-btn { bottom: max(20px, env(safe-area-inset-bottom)); right: 15px; padding: 6px 16px 6px 6px; font-size: 0.85rem; }
    
    .features-section { padding: 60px 15px; }
    .features-container { gap: 50px; }
    .feature-glass-panel { flex-direction: column !important; padding: 25px; text-align: center; gap: 30px;}
    
    .speakers-section { padding: 60px 15px; }
    .speakers-header h2 { font-size: clamp(1.4rem, 6vw, 2rem) !important; padding: 0 10px; line-height: 1.3;}
    .year-tabs { flex-wrap: wrap; justify-content: center; gap: 8px; border-radius: 24px;}
    .year-tab-btn { flex: 1 1 calc(50% - 10px); padding: 10px; font-size: 0.95rem;}
    .speaker-grid { grid-template-columns: 1fr; } 
    
    .stats-section { padding: 40px 15px; }
    .stats-container { grid-template-columns: 1fr; gap: 30px; }
    .testimonials-section { padding: 50px 15px; }
    .testimonials-header { flex-direction: column; text-align: center; gap: 15px; }
    .testi-nav { display: none; }
    
    .volunteer-section { padding: 60px 15px; }
    .volunteer-container { flex-direction: column; padding: 40px 15px 50px 15px; gap: 30px;}
    .volunteer-content { align-items: center; text-align: center; width: 100%;}
    .volunteer-content h2 { font-size: clamp(1.5rem, 5vw, 1.8rem); }
    .vision-pill-btn { display: inline-flex !important; margin-top: 10px;}
    
    .volunteer-stack-wrapper { min-height: 320px; margin-top: 20px; display: flex; justify-content: center; align-items: center; width: 100%; position: relative; }
    .stack-card { width: 200px; height: 260px; border-width: 3px;}
    .card-pos-1 { transform: translateX(-30px); }
    .card-pos-2 { transform: translateX(0px) translateY(10px) rotate(5deg); }
    .card-pos-3 { transform: translateX(30px) translateY(20px) rotate(10deg); }
    
    /* Footer Mobil Ortalama */
    .vision-footer-section { padding: 40px 15px; }
    .vision-footer-glass { padding: 30px 20px; border-radius: 30px;}
    .footer-grid { grid-template-columns: 1fr; text-align: center; gap: 40px;}
    .footer-col { display: flex; flex-direction: column; align-items: center; }
    .footer-title { text-align: center; width: 100%; padding-left: 0; } 
    .vision-links { align-items: center; width: 100%; }
    .vision-links li { display: flex; justify-content: center; width: 100%; max-width: 250px;}
    .vision-links li a { text-align: center; } 
    .vision-footer-bottom { flex-direction: column; gap: 20px; text-align: center;}

    /* İletişim Mobil */
    .contact-section { padding: 110px 15px 60px 15px; }
    .contact-glass { padding: 35px 20px; }

    /* Hakkımızda Mobil */
    .about-section { padding: 120px 20px 60px 20px; }
    .intro-glass { grid-template-columns: 1fr; padding: 30px 20px; text-align: center; }
    .intro-image { order: -1; aspect-ratio: 16/9; }
    .content-card { grid-template-columns: 1fr; gap: 30px;}
    .content-card.reverse { direction: ltr; }
    .card-image-wrapper { order: -1; }
    
    /* 404 Mobil */
    .error-glass { padding: 40px 20px; border-radius: 36px; }
    .error-glass p { font-size: 1rem; }
    .error-glass .vision-pill-btn { width: 100%; justify-content: center; }
}

@media (min-width: 600px) and (max-width: 950px) {
    .speaker-grid { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}