/* ==========================================================================
   ICOAIS — TEMEL KATMAN
   Bootstrap 5 reboot'u üzerine tipografi, bileşen ve yardımcı sınıflar.
   Eski Eventech style.css/responsive.css/animate.css'in yerini alır.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Kök ve tipografi
   -------------------------------------------------------------------------- */

html {
    scroll-behavior: smooth;
    /* Sabit header'ın altına çapa ile inildiğinde başlığı gizlememesi için */
    scroll-padding-top: 96px;
}

body {
    font-family: var(--ic-font);
    font-size: var(--ic-fs-base);
    line-height: var(--ic-lh-base);
    color: var(--ic-text);
    background: var(--ic-surface);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    /* text-rendering: optimizeLegibility uzun sayfalarda metin yerleşimini
       yavaşlattığı için bilinçli olarak kullanılmıyor. */
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--ic-font);
    color: var(--ic-text-strong);
    font-weight: 700;
    line-height: var(--ic-lh-tight);
    letter-spacing: var(--ic-track-title);
    margin: 0 0 var(--ic-sp-4);
    text-wrap: balance;
}

h1 { font-size: var(--ic-fs-3xl); }
h2 { font-size: var(--ic-fs-2xl); }
h3 { font-size: var(--ic-fs-xl); }
h4 { font-size: var(--ic-fs-lg); }
h5 { font-size: var(--ic-fs-md); }
h6 { font-size: var(--ic-fs-base); }

p {
    margin: 0 0 var(--ic-sp-4);
    text-wrap: pretty;
}

a {
    color: var(--ic-ink-900);
    text-decoration: none;
    transition: color var(--ic-dur) var(--ic-ease);
}

a:hover,
a:focus-visible {
    color: var(--ic-red-500);
}

strong, b { color: var(--ic-text-strong); font-weight: 700; }
small     { font-size: var(--ic-fs-sm); }
hr        { border: 0; border-top: 1px solid var(--ic-border); margin: var(--ic-sp-6) 0; opacity: 1; }

img { max-width: 100%; height: auto; }

/* Klavye ile gezinenler için tutarlı ve görünür odak halkası */
:focus-visible {
    outline: 2px solid var(--ic-red-500);
    outline-offset: 2px;
    border-radius: var(--ic-radius-sm);
}
:focus:not(:focus-visible) { outline: none; }

/* --------------------------------------------------------------------------
   2. Yerleşim
   -------------------------------------------------------------------------- */

.container,
.container-lg,
.container-md,
.container-sm,
.container-xl {
    max-width: var(--ic-container);
    padding-left: var(--ic-sp-5);
    padding-right: var(--ic-sp-5);
}

.body-inner { overflow-x: clip; }

/* Bölüm dikey ritmi */
.ic-section       { padding: var(--ic-sp-10) 0; }
.ic-section--tight { padding: var(--ic-sp-8) 0; }

@media (max-width: 767.98px) {
    .ic-section       { padding: var(--ic-sp-8) 0; }
    .ic-section--tight { padding: var(--ic-sp-7) 0; }
}

/* --------------------------------------------------------------------------
   3. Bölüm başlıkları
   -------------------------------------------------------------------------- */

.section-title {
    font-size: var(--ic-fs-2xl);
    font-weight: 800;
    letter-spacing: .04em;
    text-transform: uppercase;
    color: var(--ic-text-strong);
    margin: 0 0 var(--ic-sp-3);
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    display: block;
    width: 56px;
    height: 3px;
    margin: var(--ic-sp-3) auto 0;
    background: var(--ic-red-500);
    border-radius: var(--ic-radius-pill);
}

.section-title.title-white,
.title-white { color: var(--ic-text-on-dark); }

.section-sub-title {
    font-size: var(--ic-fs-md);
    color: var(--ic-text-muted);
    margin: 0 0 var(--ic-sp-7);
}

.title-white + .section-sub-title,
.bg-dark-section .section-sub-title { color: var(--ic-text-on-dark-muted); }

/* Sol hizalı klasik başlık (iletişim formu vb.) */
.title-classic {
    font-size: var(--ic-fs-xl);
    font-weight: 700;
    margin-bottom: var(--ic-sp-5);
    padding-bottom: var(--ic-sp-3);
    border-bottom: 1px solid var(--ic-border);
}
.title-classic.left { text-align: left; }

/* --------------------------------------------------------------------------
   4. Butonlar
   -------------------------------------------------------------------------- */

.btn {
    --bs-btn-border-radius: var(--ic-radius);
    font-weight: 600;
    font-size: var(--ic-fs-sm);
    letter-spacing: .04em;
    text-transform: uppercase;
    padding: 12px 26px;
    border: 1px solid transparent;
    border-radius: var(--ic-radius);
    transition: background-color var(--ic-dur) var(--ic-ease),
                border-color var(--ic-dur) var(--ic-ease),
                color var(--ic-dur) var(--ic-ease),
                box-shadow var(--ic-dur) var(--ic-ease);
}

.btn:active { transform: none; }

.btn-primary {
    --bs-btn-bg: var(--ic-red-500);
    --bs-btn-border-color: var(--ic-red-500);
    --bs-btn-hover-bg: var(--ic-red-600);
    --bs-btn-hover-border-color: var(--ic-red-600);
    --bs-btn-active-bg: var(--ic-red-700);
    --bs-btn-active-border-color: var(--ic-red-700);
    --bs-btn-color: #fff;
    --bs-btn-hover-color: #fff;
    --bs-btn-active-color: #fff;
    box-shadow: var(--ic-shadow-sm);
}

.btn-primary:hover { box-shadow: var(--ic-shadow-md); }

.btn-dark {
    --bs-btn-bg: var(--ic-ink-900);
    --bs-btn-border-color: var(--ic-ink-900);
    --bs-btn-hover-bg: var(--ic-ink-950);
    --bs-btn-hover-border-color: var(--ic-ink-950);
}

/* Eski şablondan gelen ".btn.solid.blank" varyantı */
.btn.blank,
.btn-outline-brand {
    background: transparent;
    color: var(--ic-ink-900);
    border-color: var(--ic-border);
}
.btn.blank:hover,
.btn-outline-brand:hover {
    background: var(--ic-ink-900);
    border-color: var(--ic-ink-900);
    color: #fff;
}

/* Koyu zemin üzerindeki ikincil buton */
.btn-on-dark {
    background: transparent;
    color: #fff;
    border-color: rgba(255, 255, 255, .35);
}
.btn-on-dark:hover {
    background: #fff;
    color: var(--ic-ink-900);
    border-color: #fff;
}

.general-btn { margin-top: var(--ic-sp-6); }

/* --------------------------------------------------------------------------
   5. Formlar
   -------------------------------------------------------------------------- */

.form-group { margin-bottom: var(--ic-sp-4); }

.form-label,
.form-group > label {
    display: block;
    font-size: var(--ic-fs-sm);
    font-weight: 600;
    color: var(--ic-text-strong);
    margin-bottom: 6px;
    letter-spacing: .01em;
}

.form-control,
.form-select {
    border: 1px solid var(--ic-border);
    border-radius: var(--ic-radius);
    padding: 11px 14px;
    font-size: var(--ic-fs-base);
    color: var(--ic-text);
    background-color: var(--ic-surface);
    box-shadow: none;
    transition: border-color var(--ic-dur) var(--ic-ease),
                box-shadow var(--ic-dur) var(--ic-ease);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--ic-red-500);
    box-shadow: 0 0 0 3px rgba(192, 57, 43, .12);
    outline: none;
}

.form-control::placeholder { color: var(--ic-text-faint); }

/* --------------------------------------------------------------------------
   6. Uyarı kutuları
   -------------------------------------------------------------------------- */

.alert {
    max-width: var(--ic-container);
    margin: var(--ic-sp-5) auto 0;
    border: 1px solid transparent;
    border-left-width: 4px;
    border-radius: var(--ic-radius);
    padding: 14px 18px;
    font-size: var(--ic-fs-base);
}

.alert-success { background: #edf7f0; border-color: #cde9d6; border-left-color: #2e7d4f; color: #1f5f3b; }
.alert-warning { background: #fdf6e9; border-color: #f4e2bd; border-left-color: #b7791f; color: #7d5410; }
.alert-danger  { background: #fdefed; border-color: #f5cfc9; border-left-color: var(--ic-red-500); color: #8c2b20; }
.alert-info    { background: #eef3fb; border-color: #d3e0f2; border-left-color: #2b5fa9; color: #1f4478; }

/* --------------------------------------------------------------------------
   7. Yardımcı sınıflar
   -------------------------------------------------------------------------- */

.gap-60 { height: 60px; }

.divider {
    height: 1px;
    background: var(--ic-border);
    border: 0;
    margin: var(--ic-sp-6) 0;
}

.unstyled { list-style: none; padding-left: 0; margin: 0; }

.bg-overlay { position: relative; }

/* Ölçülü giriş animasyonu — yalnızca transform/opacity (GPU dostu) */
.ic-reveal {
    opacity: 0;
    transform: translate3d(0, 16px, 0);
    transition: opacity var(--ic-dur-slow) var(--ic-ease),
                transform var(--ic-dur-slow) var(--ic-ease);
    will-change: opacity, transform;
}
.ic-reveal.is-visible {
    opacity: 1;
    transform: translate3d(0, 0, 0);
    will-change: auto;
}

/* --------------------------------------------------------------------------
   8. Başa dön butonu
   -------------------------------------------------------------------------- */

#back-to-top {
    position: fixed;
    right: 22px;
    bottom: 22px;
    z-index: var(--ic-z-top);
    opacity: 0;
    visibility: hidden;
    transform: translate3d(0, 12px, 0);
    transition: opacity var(--ic-dur) var(--ic-ease),
                transform var(--ic-dur) var(--ic-ease),
                visibility var(--ic-dur) var(--ic-ease);
}

#back-to-top.is-visible {
    opacity: 1;
    visibility: visible;
    transform: translate3d(0, 0, 0);
}

#back-to-top .btn {
    width: 44px;
    height: 44px;
    padding: 0;
    display: grid;
    place-items: center;
    border-radius: 50%;
    font-size: var(--ic-fs-lg);
    box-shadow: var(--ic-shadow-lg);
}

/* --------------------------------------------------------------------------
   9. Hareketi azalt tercihi
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }

    *,
    *::before,
    *::after {
        animation-duration: .001ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: .001ms !important;
        scroll-behavior: auto !important;
    }

    .ic-reveal { opacity: 1; transform: none; }
}

/* --------------------------------------------------------------------------
   10. Yazdırma
   -------------------------------------------------------------------------- */

@media print {
    #header, #footer, #back-to-top, .page-banner-area { display: none !important; }
    body { background: #fff; color: #000; }
    .cardd { border: 0; padding: 0; }
}