/* ============================================================
   ÜRETİMİN FİDE — Kurumsal Web Sitesi
   Modern, mobil uyumlu stil dosyası
   ============================================================ */

:root {
    --green-900: #0f4d27;
    --green-700: #1b7a3e;
    --green-600: #2a9d54;
    --green-500: #34b364;
    --green-100: #e7f5ec;
    --earth:     #6b4a2b;
    --earth-lt:  #c79b6a;
    --ink:       #16261c;
    --body:      #3c4b41;
    --muted:     #6c7a71;
    --line:      #e3e9e4;
    --bg:        #ffffff;
    --bg-soft:   #f4f8f5;
    --white:     #ffffff;
    --shadow:    0 10px 30px rgba(15, 77, 39, .08);
    --shadow-lg: 0 24px 60px rgba(15, 77, 39, .14);
    --radius:    16px;
    --radius-sm: 10px;
    --maxw:      1180px;
    --font:      'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
    --font-head: 'Playfair Display', Georgia, 'Times New Roman', serif;
}

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

html { scroll-behavior: smooth; scroll-padding-top: 84px; }

body {
    font-family: var(--font);
    color: var(--body);
    background: var(--bg);
    line-height: 1.7;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

img { max-width: 100%; display: block; }
a { color: var(--green-700); text-decoration: none; transition: color .2s; }
a:hover { color: var(--green-600); }

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }

h1, h2, h3, h4 { color: var(--ink); line-height: 1.2; font-weight: 700; }
h2 { font-family: var(--font-head); font-size: clamp(1.7rem, 3.4vw, 2.6rem); }
h3 { font-size: 1.25rem; }

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
    padding: .85rem 1.6rem; border-radius: 50px; font-weight: 700; font-size: .98rem;
    cursor: pointer; border: 2px solid transparent; transition: all .25s ease;
    font-family: var(--font); line-height: 1; text-align: center;
}
.btn-primary { background: var(--green-700); color: #fff; border-color: var(--green-700); }
.btn-primary:hover { background: var(--green-900); border-color: var(--green-900); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow); }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,.7); }
.btn-ghost:hover { background: #fff; color: var(--green-900); border-color: #fff; }
.btn-header { background: var(--green-700); color: #fff; padding: .6rem 1.2rem; font-size: .9rem; }
.btn-header:hover { background: var(--green-900); color: #fff; }
.btn-block { width: 100%; }
.btn-sm { padding: .6rem 1.15rem; font-size: .85rem; }

.tag {
    display: inline-block; background: var(--green-100); color: var(--green-700);
    padding: .35rem .9rem; border-radius: 50px; font-size: .8rem; font-weight: 700;
    letter-spacing: .04em; text-transform: uppercase; margin-bottom: 1rem;
}

/* ---------- Header ---------- */
.site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 900;
    background: rgba(255,255,255,.86); backdrop-filter: blur(10px);
    border-bottom: 1px solid transparent; transition: all .3s;
}
.site-header.scrolled { box-shadow: var(--shadow); border-bottom-color: var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 1rem; }

.brand { display: flex; align-items: center; gap: .6rem; }
.brand-mark { display: inline-flex; }
.brand-text { display: flex; flex-direction: column; line-height: 1.05; }
.brand-text strong { color: var(--green-900); font-size: 1.15rem; font-weight: 800; letter-spacing: -.01em; }
.brand-text em { color: var(--green-600); font-size: .72rem; font-style: normal; font-weight: 600; letter-spacing: .06em; text-transform: uppercase; }

.main-nav ul { display: flex; gap: .3rem; list-style: none; }
.nav-link {
    display: block; padding: .55rem .9rem; color: var(--ink); font-weight: 600; font-size: .95rem;
    border-radius: 8px; position: relative;
}
.nav-link:hover { color: var(--green-700); background: var(--green-100); }
.nav-link.active { color: var(--green-700); }
.nav-link.active::after {
    content: ''; position: absolute; left: 50%; bottom: 2px; transform: translateX(-50%);
    width: 18px; height: 3px; border-radius: 3px; background: var(--green-600);
}

.nav-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: 0; cursor: pointer; padding: 8px; }
.nav-toggle span { width: 26px; height: 3px; background: var(--green-900); border-radius: 3px; transition: all .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(8px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
    position: relative; min-height: 100vh; display: flex; align-items: center;
    color: #fff; padding: 120px 0 80px;
    background: linear-gradient(rgba(10,40,22,.55), rgba(10,40,22,.72)),
                url('../assets/hero-sera.jpg') center/cover fixed;
}
.hero-inner { position: relative; z-index: 2; max-width: 760px; }
.hero-eyebrow { color: var(--green-500); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: .9rem; margin-bottom: 1rem; }
.hero-title { font-family: var(--font-head); color: #fff; font-size: clamp(2.4rem, 6vw, 4.4rem); line-height: 1.08; margin-bottom: 1.4rem; text-shadow: 0 2px 20px rgba(0,0,0,.3); }
.hero-lead { font-size: 1.15rem; color: rgba(255,255,255,.92); max-width: 640px; margin-bottom: 2rem; }
.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; margin-bottom: 3rem; }
.hero-stats { display: flex; gap: 2.5rem; flex-wrap: wrap; }
.stat strong { display: block; font-size: 2rem; font-weight: 800; color: #fff; font-family: var(--font-head); }
.stat span { font-size: .9rem; color: rgba(255,255,255,.8); }

/* ---------- Sections ---------- */
.section { padding: 90px 0; }
.section.alt { background: var(--bg-soft); }
.section-head { max-width: 680px; margin: 0 auto 3rem; text-align: center; }
.section-head.left { margin-left: 0; text-align: left; }
.section-head h2 { margin-bottom: 1rem; }
.section-head p { color: var(--muted); font-size: 1.05rem; }

/* ---------- Feature cards ---------- */
.cards { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.card {
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    padding: 2rem 1.6rem; transition: all .3s; text-align: left;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--green-100); }
.card-ic { width: 56px; height: 56px; display: flex; align-items: center; justify-content: center; font-size: 1.7rem; background: var(--green-100); border-radius: 14px; margin-bottom: 1.2rem; }
.card h3 { margin-bottom: .6rem; }
.card p { color: var(--muted); font-size: .96rem; }

/* ---------- About ---------- */
.about-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 3.5rem; align-items: center; }
.about-media { position: relative; }
.about-media img { border-radius: var(--radius); box-shadow: var(--shadow-lg); width: 100%; height: 460px; object-fit: cover; }
.about-badge {
    position: absolute; right: -14px; bottom: 28px; background: var(--green-700); color: #fff;
    padding: 1rem 1.4rem; border-radius: var(--radius-sm); box-shadow: var(--shadow-lg); text-align: center;
}
.about-badge strong { display: block; font-size: 1.3rem; font-family: var(--font-head); }
.about-badge span { font-size: .82rem; opacity: .85; }
.about-text h2 { margin-bottom: 1.2rem; }
.about-text p { margin-bottom: 1rem; color: var(--body); }

.check-list { list-style: none; margin: 1.4rem 0 1.8rem; }
.check-list li { position: relative; padding-left: 2rem; margin-bottom: .7rem; color: var(--body); }
.check-list li::before {
    content: '✓'; position: absolute; left: 0; top: 0; width: 22px; height: 22px;
    background: var(--green-600); color: #fff; border-radius: 50%; display: flex;
    align-items: center; justify-content: center; font-size: .8rem; font-weight: 800;
}

/* ---------- Article / SEO ---------- */
.article-inner { max-width: 860px; margin: 0 auto; }
.article-body h3 { margin: 2rem 0 .8rem; color: var(--green-900); font-size: 1.35rem; }
.article-body p { margin-bottom: 1.1rem; color: var(--body); }
.article-body p:first-child { font-size: 1.12rem; color: var(--ink); }

/* ---------- Mission & Vision ---------- */
.mv-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 2rem; }
.mv-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 2.6rem 2.2rem; box-shadow: var(--shadow); }
.mv-ic { width: 60px; height: 60px; display: flex; align-items: center; justify-content: center; font-size: 1.9rem; background: var(--green-100); border-radius: 16px; margin-bottom: 1.2rem; }
.mv-card h2 { font-size: 1.7rem; margin-bottom: 1rem; }
.mv-card p { color: var(--body); margin-bottom: 1rem; }

/* ---------- Process ---------- */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.step { position: relative; background: #fff; border-radius: var(--radius); border: 1px solid var(--line); overflow: hidden; box-shadow: var(--shadow); transition: transform .3s, box-shadow .3s; }
.step:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.step-img { position: relative; aspect-ratio: 4 / 3; overflow: hidden; }
.step-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.step:hover .step-img img { transform: scale(1.06); }
.step-body { padding: 1.4rem 1.4rem 1.6rem; }
.step-no { display: block; font-family: var(--font-head); font-size: 2.2rem; font-weight: 700; color: var(--green-500); opacity: .55; line-height: 1; margin-bottom: .3rem; }
.step h3 { margin-bottom: .5rem; font-size: 1.15rem; }
.step p { color: var(--muted); font-size: .94rem; }

/* ---------- Contact ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1.4fr; gap: 3rem; align-items: start; }
.contact-info { display: flex; flex-direction: column; gap: 1.6rem; }
.info-item { display: flex; gap: 1rem; align-items: flex-start; }
.info-ic { width: 46px; height: 46px; flex: 0 0 46px; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; background: #fff; border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow); }
.info-item strong { display: block; color: var(--ink); margin-bottom: .2rem; }
.info-item p { color: var(--muted); font-size: .96rem; }

.contact-form { background: #fff; padding: 2.2rem; border-radius: var(--radius); border: 1px solid var(--line); box-shadow: var(--shadow); }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.form-group { margin-bottom: 1.1rem; }
.form-group label { display: block; font-weight: 600; font-size: .9rem; color: var(--ink); margin-bottom: .4rem; }
.form-group input, .form-group textarea {
    width: 100%; padding: .8rem 1rem; border: 1px solid var(--line); border-radius: var(--radius-sm);
    font-family: var(--font); font-size: .98rem; color: var(--ink); background: var(--bg-soft); transition: all .2s;
}
.form-group input:focus, .form-group textarea:focus { outline: none; border-color: var(--green-500); background: #fff; box-shadow: 0 0 0 3px var(--green-100); }
.form-group textarea { resize: vertical; }
.form-consent { display: flex; align-items: flex-start; gap: .6rem; margin-bottom: 1.3rem; }
.form-consent input { margin-top: .25rem; }
.form-consent label { font-size: .88rem; color: var(--muted); }
.form-status { margin-top: 1rem; font-weight: 600; font-size: .95rem; }
.form-status.ok { color: var(--green-700); }
.form-status.err { color: #c0392b; }
.input-error { border-color: #e74c3c !important; }

/* ---------- Map ---------- */
.map-section { line-height: 0; }
.map-section iframe { display: block; filter: saturate(1.05); }

/* ---------- Footer ---------- */
.site-footer { background: var(--green-900); color: rgba(255,255,255,.78); padding-top: 64px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1.2fr 1fr; gap: 2.5rem; padding-bottom: 48px; }
.footer-brand .brand-text strong { color: #fff; }
.footer-brand .brand-text em { color: var(--green-500); }
.footer-about { margin-top: 1rem; font-size: .95rem; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 1.1rem; }
.footer-links, .footer-contact { list-style: none; }
.footer-links li, .footer-contact li { margin-bottom: .6rem; font-size: .94rem; }
.footer-links a, .footer-contact a { color: rgba(255,255,255,.78); }
.footer-links a:hover, .footer-contact a:hover { color: var(--green-500); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.12); padding: 20px 0; }
.footer-bottom .container { display: flex; justify-content: space-between; align-items: center; gap: 1rem; flex-wrap: wrap; }
.footer-bottom p { font-size: .88rem; color: rgba(255,255,255,.6); }
.footer-legal-links a { color: rgba(255,255,255,.7); }
.footer-legal-links a:hover { color: var(--green-500); }

/* ---------- Modal ---------- */
.modal-overlay {
    position: fixed; inset: 0; background: rgba(10,25,15,.6); backdrop-filter: blur(4px);
    z-index: 1200; display: flex; align-items: center; justify-content: center; padding: 20px;
    opacity: 0; visibility: hidden; transition: all .3s;
}
.modal-overlay.open { opacity: 1; visibility: visible; }
.modal {
    background: #fff; border-radius: var(--radius); max-width: 640px; width: 100%;
    max-height: 84vh; overflow-y: auto; padding: 2.4rem; position: relative;
    box-shadow: var(--shadow-lg); transform: translateY(20px); transition: transform .3s;
}
.modal-overlay.open .modal { transform: translateY(0); }
.modal-close { position: absolute; top: 16px; right: 18px; background: var(--bg-soft); border: 0; width: 38px; height: 38px; border-radius: 50%; font-size: 1.5rem; line-height: 1; cursor: pointer; color: var(--ink); transition: all .2s; }
.modal-close:hover { background: var(--green-100); color: var(--green-700); }
.modal h3 { font-family: var(--font-head); font-size: 1.6rem; margin-bottom: 1rem; color: var(--green-900); padding-right: 2rem; }
.modal-body h4 { margin: 1.2rem 0 .5rem; color: var(--ink); font-size: 1.05rem; }
.modal-body p { margin-bottom: .9rem; font-size: .96rem; color: var(--body); }
.modal-body ul { margin: 0 0 1rem 1.2rem; }
.modal-body li { margin-bottom: .5rem; font-size: .96rem; }

/* ---------- Cookie banner ---------- */
.cookie-banner {
    position: fixed; bottom: 20px; left: 20px; right: 20px; max-width: 720px; margin: 0 auto;
    background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
    box-shadow: var(--shadow-lg); padding: 1.2rem 1.5rem; z-index: 1100;
    display: flex; align-items: center; gap: 1.2rem; flex-wrap: wrap; justify-content: space-between;
    transform: translateY(140%); transition: transform .4s ease; opacity: 0; visibility: hidden;
}
.cookie-banner.show { transform: translateY(0); opacity: 1; visibility: visible; }
.cookie-banner p { font-size: .9rem; color: var(--body); flex: 1 1 300px; }
.cookie-actions { display: flex; gap: .6rem; }
/* Çerez banner'ı açık zeminli olduğu için Reddet butonu koyu çerçeveli */
.cookie-banner .btn-ghost { color: var(--green-700); border-color: var(--line); background: #fff; }
.cookie-banner .btn-ghost:hover { background: var(--bg-soft); color: var(--green-900); border-color: var(--green-500); }

/* ---------- To top ---------- */
.to-top {
    position: fixed; bottom: 24px; right: 24px; width: 46px; height: 46px; border-radius: 50%;
    background: var(--green-700); color: #fff; display: flex; align-items: center; justify-content: center;
    font-size: 1.3rem; box-shadow: var(--shadow-lg); z-index: 800; opacity: 0; visibility: hidden;
    transition: all .3s; transform: translateY(10px);
}
.to-top.show { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--green-900); color: #fff; transform: translateY(-3px); }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 960px) {
    .cards { grid-template-columns: repeat(2, 1fr); }
    .steps { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
    .about-media img { height: 360px; }
    .mv-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; }
}

@media (max-width: 720px) {
    body { font-size: 16px; }
    .btn-header { display: none; }
    .main-nav {
        position: fixed; top: 72px; left: 0; right: 0; background: #fff;
        border-bottom: 1px solid var(--line); box-shadow: var(--shadow);
        max-height: 0; overflow: hidden; transition: max-height .35s ease;
    }
    .main-nav.open { max-height: 380px; }
    .main-nav ul { flex-direction: column; padding: .8rem 24px 1.4rem; gap: 0; }
    .nav-link { padding: .9rem .4rem; border-bottom: 1px solid var(--line); border-radius: 0; }
    .nav-link.active::after { display: none; }
    .nav-toggle { display: flex; }
    .hero { background-attachment: scroll; min-height: 90vh; }
    .hero-stats { gap: 1.6rem; }
    .stat strong { font-size: 1.6rem; }
    .section { padding: 60px 0; }
    .section-head { margin-bottom: 2rem; }
    .form-row { grid-template-columns: 1fr; }
    .about-badge { right: 12px; }
    .footer-bottom .container { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .container { padding: 0 18px; }
    .cards { grid-template-columns: 1fr; }
    .steps { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }
    .modal { padding: 1.8rem 1.4rem; }
    .cookie-banner { left: 12px; right: 12px; bottom: 12px; padding: .85rem 1rem; gap: .7rem; flex-direction: column; align-items: stretch; text-align: center; }
    .cookie-banner p { font-size: .82rem; line-height: 1.5; flex-basis: auto; }
    .cookie-actions { justify-content: center; }
    .cookie-actions .btn { flex: 1; padding: .55rem .8rem; }
}

/* ---------- Reveal animation ---------- */
.reveal { opacity: 0; transform: translateY(30px); transition: opacity .7s ease, transform .7s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .reveal { opacity: 1; transform: none; transition: none; }
}