/* ========== ESKADER - Ana Stil Dosyası ========== */
/* --- CSS Değişkenleri --- */
:root {
    --primary: #0891B2; --primary-dark: #0E7490; --primary-light: #06B6D4;
    --primary-50: #ecfeff; --primary-100: #cffafe;
    --accent: #DC2626; --accent-light: #EF4444; --accent-dark: #B91C1C;
    --white: #FFFFFF; --gray-50: #F9FAFB; --gray-100: #F3F4F6;
    --gray-200: #E5E7EB; --gray-300: #D1D5DB; --gray-400: #9CA3AF;
    --gray-500: #6B7280; --gray-600: #4B5563; --gray-700: #374151;
    --gray-800: #1F2937; --gray-900: #111827;
    --font-heading: 'Outfit', sans-serif; --font-body: 'Inter', sans-serif;
    --shadow-sm: 0 1px 3px rgba(0,0,0,.08); --shadow-md: 0 4px 16px rgba(0,0,0,.1);
    --shadow-lg: 0 10px 40px rgba(0,0,0,.12); --shadow-xl: 0 20px 60px rgba(0,0,0,.15);
    --radius-sm: 8px; --radius-md: 12px; --radius-lg: 16px; --radius-xl: 24px;
    --transition: all .3s cubic-bezier(.4,0,.2,1);
}

/* --- Reset & Base --- */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-body);color:var(--gray-800);line-height:1.7;background:var(--white);overflow-x:hidden}
a{text-decoration:none;color:inherit;transition:var(--transition)}
ul{list-style:none}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,h5,h6{font-family:var(--font-heading);font-weight:700;line-height:1.3;color:var(--gray-900)}
.container{max-width:1200px;margin:0 auto;padding:0 20px}

/* --- Top Bar --- */
.top-bar{background:var(--gray-900);color:var(--gray-300);font-size:.8rem;padding:8px 0}
.top-bar-content{display:flex;justify-content:space-between;align-items:center}
.top-bar-left{display:flex;gap:20px}
.top-bar-left i{color:var(--primary-light);margin-right:6px}
.top-bar-right{display:flex;gap:12px}
.top-bar-right a{color:var(--gray-400);font-size:.85rem}
.top-bar-right a:hover{color:var(--primary-light)}

/* --- Navbar --- */
.navbar{background:var(--white);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:1000;transition:var(--transition)}
.navbar.scrolled{box-shadow:var(--shadow-md)}
.nav-content{display:flex;justify-content:space-between;align-items:center;padding:12px 0}
.nav-brand{display:flex;align-items:center;gap:12px}
.brand-icon{width:48px;height:48px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;color:var(--white);font-size:1.3rem}
.brand-text{display:flex;flex-direction:column}
.brand-name{font-family:var(--font-heading);font-weight:800;font-size:1.25rem;color:var(--gray-900);letter-spacing:.5px}
.brand-desc{font-size:.7rem;color:var(--gray-500);margin-top:-2px}
.nav-menu{display:flex;gap:8px;align-items:center}
.nav-link{padding:10px 18px;font-weight:500;font-size:.95rem;color:var(--gray-600);border-radius:var(--radius-sm);position:relative}
.nav-link:hover,.nav-link.active{color:var(--primary);background:var(--primary-50)}
.nav-link.active::after{content:'';position:absolute;bottom:4px;left:50%;transform:translateX(-50%);width:20px;height:3px;background:var(--primary);border-radius:2px}
.nav-toggle{display:none;flex-direction:column;gap:5px;background:none;border:none;cursor:pointer;padding:8px}
.hamburger,.hamburger::before,.hamburger::after{content:'';display:block;width:24px;height:2.5px;background:var(--gray-700);border-radius:2px;transition:var(--transition)}
.hamburger::before{transform:translateY(-7px)}
.hamburger::after{transform:translateY(4.5px)}
.nav-toggle.active .hamburger{background:transparent}
.nav-toggle.active .hamburger::before{transform:rotate(45deg)}
.nav-toggle.active .hamburger::after{transform:translateY(-2.5px) rotate(-45deg)}

/* --- Hero Section --- */
.hero{position:relative;min-height:600px;display:flex;align-items:center;justify-content:center;text-align:center;background:linear-gradient(135deg,var(--gray-900) 0%,#0c4a6e 40%,var(--primary-dark) 70%,var(--primary) 100%);overflow:hidden;padding:80px 20px}
.hero::before{content:'';position:absolute;inset:0;background:url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.03'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E")}
.hero-content{position:relative;z-index:2;max-width:800px;animation:fadeInUp .8s ease-out}
.hero-badge{display:inline-block;background:rgba(255,255,255,.12);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.2);padding:8px 24px;border-radius:50px;color:var(--white);font-size:.85rem;font-weight:500;margin-bottom:24px;letter-spacing:.5px}
.hero h1{font-size:3rem;color:var(--white);margin-bottom:20px;font-weight:800}
.hero h1 span{color:var(--primary-light)}
.hero-desc{color:rgba(255,255,255,.8);font-size:1.15rem;max-width:600px;margin:0 auto 36px;line-height:1.8}
.hero-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}

/* --- Buttons --- */
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:var(--radius-sm);font-weight:600;font-size:.95rem;cursor:pointer;border:none;transition:var(--transition);font-family:var(--font-body)}
.btn-primary{background:var(--accent);color:var(--white)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(220,38,38,.35)}
.btn-outline{background:transparent;color:var(--white);border:2px solid rgba(255,255,255,.4)}
.btn-outline:hover{background:var(--white);color:var(--gray-900)}
.btn-secondary{background:var(--primary);color:var(--white)}
.btn-secondary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 24px rgba(8,145,178,.35)}
.btn-sm{padding:10px 20px;font-size:.85rem}

/* --- Section Common --- */
.section{padding:80px 0}
.section-header{text-align:center;margin-bottom:56px}
.section-badge{display:inline-block;background:var(--primary-50);color:var(--primary);font-size:.8rem;font-weight:600;padding:6px 18px;border-radius:50px;margin-bottom:12px;text-transform:uppercase;letter-spacing:1px}
.section-title{font-size:2.2rem;margin-bottom:12px}
.section-desc{color:var(--gray-500);font-size:1.05rem;max-width:600px;margin:0 auto}

/* --- News Cards --- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.news-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--gray-100);transition:var(--transition)}
.news-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.news-card-img{height:200px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.news-card-img i{font-size:3rem;color:rgba(255,255,255,.3)}
.news-card-img img{width:100%;height:100%;object-fit:cover}
.news-card-date{position:absolute;top:16px;right:16px;background:var(--accent);color:var(--white);padding:6px 14px;border-radius:var(--radius-sm);font-size:.75rem;font-weight:600}
.news-card-body{padding:24px}
.news-card-body h3{font-size:1.15rem;margin-bottom:10px;line-height:1.5}
.news-card-body p{color:var(--gray-500);font-size:.9rem;line-height:1.7;margin-bottom:16px}
.news-card-link{color:var(--primary);font-weight:600;font-size:.9rem;display:inline-flex;align-items:center;gap:6px}
.news-card-link:hover{gap:10px}

/* --- President Section --- */
.president-section{background:var(--gray-50)}
.president-card{display:grid;grid-template-columns:auto 1fr;gap:48px;align-items:center;background:var(--white);border-radius:var(--radius-xl);padding:48px;box-shadow:var(--shadow-md);border:1px solid var(--gray-100)}
.president-img{width:200px;height:200px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary-dark));display:flex;align-items:center;justify-content:center;color:var(--white);font-size:4rem;border:4px solid var(--primary-100);position:relative}
.president-img::after{content:'';position:absolute;inset:-8px;border-radius:50%;border:2px dashed var(--primary-100)}
.president-info h3{font-size:1.6rem;margin-bottom:4px}
.president-info .title{color:var(--primary);font-weight:600;font-size:.95rem;margin-bottom:20px;display:block}
.president-info p{color:var(--gray-600);line-height:1.9;font-size:.95rem}
.president-info .signature{font-family:var(--font-heading);font-size:1.2rem;color:var(--gray-800);margin-top:20px;font-weight:600;font-style:italic}

/* --- Stats Band --- */
.stats-band{background:linear-gradient(135deg,var(--gray-900),#0c4a6e,var(--primary-dark));padding:60px 0;color:var(--white)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;text-align:center}
.stat-item{padding:20px}
.stat-icon{font-size:2rem;color:var(--primary-light);margin-bottom:12px}
.stat-number{font-family:var(--font-heading);font-size:2.8rem;font-weight:800;margin-bottom:4px}
.stat-label{color:rgba(255,255,255,.7);font-size:.9rem}

/* --- About Page --- */
.page-banner{background:linear-gradient(135deg,var(--gray-900),#0c4a6e,var(--primary-dark));padding:100px 20px 60px;text-align:center;color:var(--white);position:relative}
.page-banner h1{font-size:2.5rem;margin-bottom:12px}
.page-banner p{color:rgba(255,255,255,.7);font-size:1.05rem}
.breadcrumb{display:flex;gap:8px;justify-content:center;margin-top:16px;font-size:.85rem;color:rgba(255,255,255,.5)}
.breadcrumb a{color:var(--primary-light)}

/* Timeline */
.timeline{position:relative;max-width:800px;margin:0 auto;padding:20px 0}
.timeline::before{content:'';position:absolute;left:50%;transform:translateX(-50%);width:3px;height:100%;background:var(--primary-100);border-radius:2px}
.timeline-item{position:relative;margin-bottom:48px;display:flex;align-items:flex-start}
.timeline-item:nth-child(odd){flex-direction:row-reverse;text-align:right}
.timeline-item:nth-child(odd) .timeline-content{margin-left:0;margin-right:48px}
.timeline-item:nth-child(even) .timeline-content{margin-left:48px}
.timeline-dot{position:absolute;left:50%;transform:translateX(-50%);width:20px;height:20px;border-radius:50%;background:var(--primary);border:4px solid var(--white);box-shadow:0 0 0 3px var(--primary-100);z-index:1}
.timeline-content{flex:1;max-width:calc(50% - 48px);background:var(--white);padding:24px;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);border:1px solid var(--gray-100)}
.timeline-content h4{color:var(--primary);font-size:.85rem;font-weight:700;margin-bottom:6px}
.timeline-content h3{font-size:1.1rem;margin-bottom:8px}
.timeline-content p{color:var(--gray-500);font-size:.9rem}

/* Mission Cards */
.mission-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.mission-card{text-align:center;padding:40px 28px;background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--gray-100);transition:var(--transition)}
.mission-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.mission-icon{width:72px;height:72px;margin:0 auto 20px;background:var(--primary-50);border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.8rem;color:var(--primary);transition:var(--transition)}
.mission-card:hover .mission-icon{background:var(--primary);color:var(--white)}
.mission-card h3{font-size:1.15rem;margin-bottom:10px}
.mission-card p{color:var(--gray-500);font-size:.9rem;line-height:1.7}

/* Board Members */
.board-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.board-card{text-align:center;padding:32px 20px;background:var(--white);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--gray-100);transition:var(--transition)}
.board-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.board-avatar{width:88px;height:88px;margin:0 auto 16px;border-radius:50%;background:linear-gradient(135deg,var(--primary-100),var(--primary-50));display:flex;align-items:center;justify-content:center;font-size:2rem;color:var(--primary)}
.board-card h4{font-size:1rem;margin-bottom:4px}
.board-card span{font-size:.8rem;color:var(--primary);font-weight:600}

/* --- Events Page --- */
.events-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.event-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--gray-100);transition:var(--transition)}
.event-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg)}
.event-card-img{height:200px;background:linear-gradient(135deg,var(--primary),#0c4a6e);display:flex;align-items:center;justify-content:center;position:relative}
.event-card-img i{font-size:3rem;color:rgba(255,255,255,.25)}
.event-date-badge{position:absolute;top:16px;left:16px;background:var(--white);border-radius:var(--radius-sm);padding:8px 14px;text-align:center;box-shadow:var(--shadow-sm)}
.event-date-badge .day{display:block;font-family:var(--font-heading);font-size:1.5rem;font-weight:800;color:var(--accent);line-height:1}
.event-date-badge .month{display:block;font-size:.7rem;font-weight:600;color:var(--gray-600);text-transform:uppercase}
.event-card-body{padding:24px}
.event-card-body h3{font-size:1.1rem;margin-bottom:10px}
.event-card-body p{color:var(--gray-500);font-size:.88rem;line-height:1.7;margin-bottom:14px}
.event-meta{display:flex;gap:16px;flex-wrap:wrap;color:var(--gray-400);font-size:.8rem}
.event-meta span{display:flex;align-items:center;gap:5px}
.event-meta i{color:var(--primary)}

/* --- Contact Page --- */
.contact-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:start}
.contact-form{background:var(--white);padding:40px;border-radius:var(--radius-lg);box-shadow:var(--shadow-md);border:1px solid var(--gray-100)}
.contact-form h2{font-size:1.5rem;margin-bottom:24px}
.form-group{margin-bottom:20px}
.form-group label{display:block;font-weight:600;font-size:.9rem;color:var(--gray-700);margin-bottom:6px}
.form-group input,.form-group textarea,.form-group select{width:100%;padding:12px 16px;border:2px solid var(--gray-200);border-radius:var(--radius-sm);font-family:var(--font-body);font-size:.95rem;transition:var(--transition);background:var(--gray-50)}
.form-group input:focus,.form-group textarea:focus{outline:none;border-color:var(--primary);background:var(--white);box-shadow:0 0 0 4px rgba(8,145,178,.1)}
.form-group textarea{min-height:140px;resize:vertical}
.contact-info-side{display:flex;flex-direction:column;gap:20px}
.contact-info-card{background:var(--white);padding:28px;border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);border:1px solid var(--gray-100);display:flex;gap:16px;align-items:flex-start;transition:var(--transition)}
.contact-info-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.contact-info-icon{width:48px;height:48px;border-radius:var(--radius-sm);background:var(--primary-50);display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:1.1rem;flex-shrink:0}
.contact-info-card h4{font-size:.95rem;margin-bottom:4px}
.contact-info-card p{color:var(--gray-500);font-size:.88rem}
.map-section{margin-top:40px;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-md);border:1px solid var(--gray-100)}
.map-section iframe{width:100%;height:400px;border:none}

/* --- Alerts --- */
.alert{padding:14px 20px;border-radius:var(--radius-sm);margin-bottom:20px;font-size:.9rem;font-weight:500}
.alert-success{background:#ecfdf5;color:#065f46;border:1px solid #a7f3d0}
.alert-error{background:#fef2f2;color:#991b1b;border:1px solid #fecaca}
.alert-info{background:var(--primary-50);color:var(--primary-dark);border:1px solid var(--primary-100)}

/* --- Animations --- */
@keyframes fadeInUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.fade-in{animation:fadeIn .6s ease-out}
.fade-in-up{animation:fadeInUp .6s ease-out}

/* --- Responsive --- */
@media(max-width:1024px){
    .news-grid,.events-grid,.mission-grid{grid-template-columns:repeat(2,1fr)}
    .board-grid{grid-template-columns:repeat(2,1fr)}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
    .president-card{grid-template-columns:1fr;text-align:center;padding:32px}
    .president-img{margin:0 auto}
    .hero h1{font-size:2.4rem}
    .timeline::before{left:20px}
    .timeline-item,.timeline-item:nth-child(odd){flex-direction:row;text-align:left}
    .timeline-dot{left:20px}
    .timeline-content,.timeline-item:nth-child(odd) .timeline-content{margin-left:52px;margin-right:0;max-width:100%}
}
@media(max-width:768px){
    .top-bar-left{display:none}
    .nav-toggle{display:flex}
    .nav-menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--white);flex-direction:column;padding:16px;box-shadow:var(--shadow-lg);gap:4px}
    .nav-menu.open{display:flex}
    .hero{min-height:480px;padding:60px 20px}
    .hero h1{font-size:2rem}
    .hero-desc{font-size:1rem}
    .section{padding:60px 0}
    .section-title{font-size:1.8rem}
    .news-grid,.events-grid,.mission-grid{grid-template-columns:1fr}
    .contact-grid{grid-template-columns:1fr}
    .stats-grid{grid-template-columns:repeat(2,1fr)}
    .board-grid{grid-template-columns:repeat(2,1fr)}
    .page-banner{padding:80px 20px 40px}
    .page-banner h1{font-size:1.8rem}
}
@media(max-width:480px){
    .hero h1{font-size:1.6rem}
    .stats-grid{grid-template-columns:1fr}
    .board-grid{grid-template-columns:1fr}
    .stat-number{font-size:2.2rem}
    .contact-form{padding:24px}
}