/* Bayer Çevre — kamu sitesi stilleri (mobil öncelikli; base.css üzerine) */

/* ---------- Header ---------- */
.site-header { position: sticky; top: 0; z-index: 60; background: rgba(255, 255, 255, .96); backdrop-filter: saturate(1.4) blur(10px); -webkit-backdrop-filter: saturate(1.4) blur(10px); border-bottom: 1px solid transparent; transition: box-shadow .25s, border-color .25s; }
.site-header.is-scrolled { box-shadow: 0 8px 24px -16px rgba(10, 40, 90, .35); border-bottom-color: var(--c-line); }
.site-header__inner { display: flex; align-items: center; gap: 16px; height: var(--header-h); }
.brand { display: block; flex: none; }
.brand__logo { height: 44px; width: auto; }
.main-nav, .header-actions { display: none; }
.nav-toggle { margin-left: auto; display: inline-grid; place-items: center; width: 46px; height: 46px; border-radius: 10px; border: 1px solid var(--c-line); background: #fff; color: var(--c-ink); cursor: pointer; }
.nav-toggle .ic { width: 24px; height: 24px; }
.nav-toggle__close, .nav-toggle[aria-expanded="true"] .nav-toggle__open { display: none; }
.nav-toggle[aria-expanded="true"] .nav-toggle__close { display: block; }
.mobile-nav { position: fixed; inset: var(--header-h) 0 0; background: #fff; overflow-y: auto; padding: 8px var(--gutter) calc(24px + var(--dock-h)); border-top: 1px solid var(--c-line); animation: slideIn .22s var(--ease); }
.mobile-nav[hidden] { display: none; }
.mobile-nav ul { list-style: none; margin: 0; padding: 0; }
.mobile-nav li a { display: flex; align-items: center; justify-content: space-between; padding: 15px 4px; border-bottom: 1px solid var(--c-line); color: var(--c-ink); font-weight: 700; font-size: 1.02rem; }
.mobile-nav li a[aria-current="page"] { color: var(--c-primary); }
.mobile-nav li a .ic { color: var(--c-muted); }
.mobile-nav__actions { display: grid; gap: 10px; margin-top: 22px; }
.mobile-nav__contact { display: grid; gap: 8px; margin: 10px 0 0; }
.mobile-nav__contact a { display: inline-flex; align-items: center; gap: 10px; color: var(--c-text); font-weight: 600; }
body.nav-open { overflow: hidden; }
@keyframes slideIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: none; } }

/* ---------- Eyebrow / titles ---------- */
.eyebrow { display: inline-flex; align-items: center; flex-wrap: wrap; gap: 6px 8px; margin: 0 0 12px; font-size: .66rem; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--c-primary); }
.eyebrow__dot { width: 5px; height: 5px; border-radius: 50%; background: var(--c-green); }
.eyebrow--muted { color: #6a7b92; }
.eyebrow--light { color: rgba(255, 255, 255, .85); }
.eyebrow--line { color: var(--c-ink); font-size: .8rem; letter-spacing: .08em; }
.eyebrow--line::before { content: ""; width: 26px; height: 3px; border-radius: 3px; background: var(--c-primary); }
.section-title { display: flex; align-items: center; gap: 12px; margin: 0; font-size: clamp(1.25rem, 1rem + 1vw, 1.65rem); text-transform: uppercase; letter-spacing: .005em; }
.section-title__icon { width: 1.05em; height: 1.05em; color: var(--c-primary); stroke-width: 2.4; }
.section-sub { margin: 4px 0 0; color: var(--c-muted); font-size: .92rem; }
.section-title-lg { font-size: clamp(1.6rem, 1.15rem + 1.9vw, 2.35rem); letter-spacing: -.02em; }
.section-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 14px 24px; margin-bottom: 22px; }
.section-head .section-sub { padding-left: calc(1.05em + 12px); }
.section { padding: 46px 0 22px; }
.section--tight { padding: 26px 0 22px; }

/* ---------- Hero ---------- */
.hero { position: relative; overflow: hidden; background: linear-gradient(180deg, #f3f8fe 0%, #f7fafd 70%, var(--c-bg) 100%); padding-bottom: 8px; }
.hero__media { position: relative; height: 230px; margin-bottom: -18px; }
.hero__media img { width: 100%; height: 100%; object-fit: cover; object-position: 60% 50%; }
.hero__media::after { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(243, 248, 254, 0) 45%, #f3f8fe 100%); }
.hero__glow { position: absolute; left: -120px; top: 40px; width: 320px; height: 320px; border-radius: 50%; background: radial-gradient(circle, rgba(98, 168, 50, .35), rgba(98, 168, 50, 0) 68%); filter: blur(12px); pointer-events: none; }
.hero__inner { position: relative; z-index: 2; }
.hero__content { max-width: 620px; padding: 6px 0 24px; }
.hero__title { font-size: clamp(1.85rem, 1.15rem + 3.1vw, 3.05rem); line-height: 1.12; letter-spacing: -.025em; margin-bottom: 18px; }
.hero__title span { color: var(--c-primary); display: block; }
.hero__lead { font-size: 1rem; color: #34465d; max-width: 560px; margin-bottom: 26px; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 12px; }
.hero__actions .btn { flex: 1 1 160px; }

.feature-row { list-style: none; margin: 8px 0 0; padding: 0; display: grid; grid-template-columns: 1fr 1fr; gap: 10px; position: relative; z-index: 3; }
.feature-card { display: flex; align-items: center; gap: 12px; padding: 14px; border-radius: var(--radius); background: rgba(255, 255, 255, .96); border: 1px solid rgba(220, 230, 243, .9); box-shadow: var(--shadow); }
.feature-card__icon { flex: none; display: grid; place-items: center; width: 42px; height: 42px; color: var(--c-primary); }
.feature-card__icon .ic { width: 34px; height: 34px; }
.feature-card__title { display: block; color: var(--c-ink); font-size: .86rem; line-height: 1.3; font-weight: 800; }
.feature-card__text { display: block; margin-top: 3px; color: var(--c-muted); font-size: .72rem; line-height: 1.35; }

/* ---------- About ---------- */
.about { display: grid; gap: 22px; padding: 34px 0 6px; position: relative; }
.about::after { content: ""; position: absolute; right: 0; top: 0; width: min(420px, 60%); height: 300px; background: radial-gradient(ellipse at 70% 30%, rgba(98, 168, 50, .18), transparent 60%); pointer-events: none; }
.about__media { position: relative; margin-inline: var(--gutter); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); aspect-ratio: 4 / 3; }
.about__media img:first-child { width: 100%; height: 100%; object-fit: cover; }
.about__body { padding-inline: var(--gutter); position: relative; z-index: 1; }
.about__lead { color: #3a4b61; font-size: .98rem; }
.mini-cards { list-style: none; margin: 18px 0; padding: 0; display: grid; gap: 10px; }
.mini-card { display: flex; align-items: center; gap: 14px; padding: 14px 16px; border-radius: var(--radius); background: #fff; border: 1px solid var(--c-line); box-shadow: var(--shadow-sm); }
.mini-card > .ic { width: 30px; height: 30px; color: var(--c-primary); stroke-width: 2.2; }
.mini-card strong { display: block; color: var(--c-ink); font-size: .88rem; line-height: 1.3; }
.mini-card span { display: block; color: var(--c-muted); font-size: .74rem; margin-top: 2px; }
.office-row { display: grid; gap: 10px; }
.office { display: flex; gap: 12px; align-items: flex-start; }
.office > .ic { width: 26px; height: 26px; color: var(--c-primary); margin-top: 2px; stroke-width: 2.2; }
.office strong { display: block; color: var(--c-ink); font-size: .88rem; }
.office span { display: block; color: var(--c-muted); font-size: .8rem; }
.office--regional { padding: 12px 14px; border-radius: var(--radius); background: #eaf2fc; border: 1px solid #d6e5f8; }
.office--regional > .ic { width: 20px; height: 20px; }

/* ---------- Cards ---------- */
.card-grid { display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card-grid--3 { grid-template-columns: 1fr; }
.card-grid--4 { grid-template-columns: 1fr; }
.solution-card { position: relative; display: flex; flex-direction: column; background: #fff; border-radius: var(--radius); border: 1px solid var(--c-line); box-shadow: var(--shadow-sm); padding: 8px; transition: box-shadow .25s var(--ease), transform .25s var(--ease); }
.solution-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.solution-card:hover .text-link .ic { transform: translateX(3px); }
.solution-card__link { position: absolute; inset: 0; z-index: 2; border-radius: inherit; }
.solution-card__media { border-radius: 8px; overflow: hidden; aspect-ratio: 14 / 9; background: #e8eef6; }
.solution-card__media img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s var(--ease); }
.solution-card:hover .solution-card__media img { transform: scale(1.04); }
.solution-card__body { padding: 12px 6px 6px; display: flex; flex-direction: column; flex: 1; }
.solution-card__title { display: flex; gap: 8px; align-items: flex-start; font-size: .86rem; line-height: 1.3; margin-bottom: 8px; }
.solution-card__title .ic { width: 18px; height: 18px; color: var(--c-primary); margin-top: 1px; stroke-width: 2.2; }
.solution-card__body p { color: var(--c-muted); font-size: .76rem; line-height: 1.5; margin-bottom: 12px; }
.solution-card .text-link { margin-top: auto; font-size: .76rem; }

.group-card { display: flex; flex-direction: column; gap: 10px; padding: 10px 10px 14px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); box-shadow: var(--shadow-sm); color: var(--c-ink); transition: box-shadow .25s var(--ease), transform .25s var(--ease); }
.group-card:hover { color: var(--c-primary); box-shadow: var(--shadow); transform: translateY(-3px); }
.group-card__media { display: block; border-radius: 8px; overflow: hidden; aspect-ratio: 26 / 17; background: #eef3f9; }
.group-card__media img { width: 100%; height: 100%; object-fit: cover; }
.group-card__title { font-weight: 800; font-size: .84rem; line-height: 1.3; padding-inline: 2px; }

.notice-bar { display: flex; align-items: flex-start; gap: 12px; margin: 16px 0 0; padding: 12px 16px; border-radius: var(--radius); background: var(--c-success-50); border: 1px solid #ccebd6; color: #1f5e33; font-size: .84rem; font-weight: 600; }
.notice-bar .ic { width: 22px; height: 22px; color: var(--c-success); flex: none; stroke-width: 2.2; }
.notice-bar a { color: var(--c-success); text-decoration: underline; text-underline-offset: 2px; }

/* ---------- Panel teaser ---------- */
.panel-teaser { position: relative; margin-top: 26px; padding: 42px 0 36px; background: linear-gradient(180deg, #f2f7fd, #eef5fc); overflow: hidden; border-block: 1px solid #e3ecf6; }
.panel-teaser__bg { position: absolute; inset: 0 0 0 auto; width: 60%; background: url("/public/assets/img/panel-bg.webp") center / cover no-repeat; opacity: .16; mask-image: linear-gradient(90deg, transparent, #000 45%); -webkit-mask-image: linear-gradient(90deg, transparent, #000 45%); }
.panel-teaser__inner { position: relative; display: grid; gap: 30px; }
.panel-teaser__copy p { color: #3a4b61; }
.check-list { list-style: none; margin: 16px 0 24px; padding: 0; display: grid; gap: 10px; }
.check-list li { display: flex; align-items: center; gap: 12px; font-weight: 600; color: var(--c-ink); }
.check-list .ic { width: 22px; height: 22px; padding: 4px; border-radius: 50%; background: var(--c-success); color: #fff; stroke-width: 3; }

.panel-preview { position: relative; margin: 0; }
.panel-preview__badge { position: absolute; top: -12px; right: 14px; z-index: 2; display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border-radius: 99px; background: var(--c-navy); color: #fff; font-size: .68rem; font-weight: 700; letter-spacing: .02em; box-shadow: var(--shadow-sm); }
.panel-preview__badge .ic { width: 14px; height: 14px; }
.pp { display: grid; grid-template-columns: 1fr; background: #fff; border-radius: var(--radius-lg); border: 1px solid #dfe8f3; box-shadow: var(--shadow-lg); overflow: hidden; font-size: .72rem; }
.pp__side { display: none; padding: 16px 12px; border-right: 1px solid var(--c-line); background: linear-gradient(180deg, #fff, #f7fafe); }
.pp__logo { width: 110px; margin: 2px 6px 18px; }
.pp__side ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.pp__side li { display: flex; align-items: center; gap: 8px; padding: 8px 10px; border-radius: 8px; color: var(--c-muted); font-weight: 600; }
.pp__side li .ic { width: 15px; height: 15px; }
.pp__side li.is-active { background: var(--c-primary); color: #fff; box-shadow: 0 8px 16px -10px rgba(11, 99, 206, .9); }
.pp__main { padding: 16px; min-width: 0; }
.pp__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.pp__head strong { color: var(--c-ink); font-size: .95rem; }
.pp__select { display: inline-flex; align-items: center; gap: 6px; padding: 5px 10px; border: 1px solid var(--c-line); border-radius: 7px; color: var(--c-muted); font-weight: 600; }
.pp__select .ic { width: 12px; height: 12px; }
.pp__stats { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin-bottom: 12px; }
.pp__stat { display: flex; align-items: center; gap: 8px; padding: 9px 10px; border-radius: 10px; border: 1px solid var(--c-line); }
.pp__stat b { display: block; font-size: 1.15rem; line-height: 1.1; color: var(--c-ink); }
.pp__stat small { color: var(--c-muted); font-size: .64rem; }
.pp__stat-ic { display: grid; place-items: center; width: 28px; height: 28px; border-radius: 8px; }
.pp__stat-ic .ic { width: 15px; height: 15px; }
.pp__stat--blue { border-color: #b8d3f6; } .pp__stat--blue .pp__stat-ic { background: var(--c-primary-50); color: var(--c-primary); } .pp__stat--blue b { color: var(--c-primary); }
.pp__stat--red { border-color: #f6cccc; } .pp__stat--red .pp__stat-ic { background: var(--c-danger-50); color: var(--c-danger); } .pp__stat--red b { color: var(--c-danger); }
.pp__stat--green .pp__stat-ic { background: var(--c-success-50); color: var(--c-success); } .pp__stat--green b { color: var(--c-success); }
.pp__stat--navy .pp__stat-ic { background: #eef1f6; color: var(--c-navy); }
.pp__chart { border: 1px solid var(--c-line); border-radius: 10px; padding: 8px 8px 4px; margin-bottom: 12px; }
.pp__legend { display: flex; justify-content: flex-end; gap: 12px; font-weight: 600; color: var(--c-muted); font-size: .64rem; padding: 0 4px 2px; }
.lg::before { content: ""; display: inline-block; width: 8px; height: 8px; border-radius: 50%; margin-right: 5px; vertical-align: 0; }
.lg--blue::before { background: var(--c-primary); } .lg--green::before { background: var(--c-success); }
.pp__grid { stroke: #edf1f6; stroke-width: 1; }
.pp__axis { font-size: 9px; fill: #8796a8; font-family: inherit; }
.pp__line { fill: none; stroke-width: 2.2; stroke-linejoin: round; stroke-linecap: round; }
.pp__line--blue { stroke: var(--c-primary); } .pp__line--green { stroke: #33a957; }
.pp__dot { stroke: #fff; stroke-width: 1.5; } .pp__dot--blue { fill: var(--c-primary); } .pp__dot--green { fill: #33a957; }
.pp__table strong { display: block; color: var(--c-ink); font-size: .82rem; margin-bottom: 6px; }
.pp__table table { width: 100%; border-collapse: collapse; }
.pp__table th { text-align: left; font-weight: 700; color: var(--c-ink); background: #f4f7fb; padding: 6px 6px; font-size: .64rem; }
.pp__table td { padding: 6px; border-bottom: 1px solid #eef2f7; color: var(--c-text); white-space: nowrap; font-size: .66rem; }
.pp__table th:nth-child(2), .pp__table td:nth-child(2) { display: none; }
.tag { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: .62rem; font-weight: 700; }
.tag--ok { background: var(--c-success-50); color: var(--c-success); }
.tag--warn { background: var(--c-danger-50); color: var(--c-danger); }

/* ---------- Calculators ---------- */
.calc-card { display: flex; align-items: center; gap: 14px; padding: 16px; border-radius: var(--radius); background: #fff; border: 1px solid var(--c-line); box-shadow: var(--shadow-sm); color: var(--c-text); transition: box-shadow .25s var(--ease), transform .25s var(--ease); }
.calc-card:hover { box-shadow: var(--shadow); transform: translateY(-2px); color: var(--c-text); }
.calc-card__icon { display: grid; place-items: center; flex: none; width: 48px; height: 48px; color: var(--c-primary); }
.calc-card__icon .ic { width: 38px; height: 38px; stroke-width: 2.1; }
.calc-card strong { display: block; color: var(--c-ink); font-size: .9rem; margin-bottom: 2px; }
.calc-card span span { display: block; color: var(--c-muted); font-size: .78rem; line-height: 1.45; }

/* ---------- Articles ---------- */
.article-card { position: relative; display: flex; flex-direction: column; background: #fff; border-radius: var(--radius); border: 1px solid var(--c-line); box-shadow: var(--shadow-sm); overflow: hidden; padding: 8px; transition: box-shadow .25s var(--ease), transform .25s var(--ease); }
.article-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.article-card__media { display: block; border-radius: 8px; overflow: hidden; aspect-ratio: 56 / 24; background: #e8eef6; }
.article-card__media img { width: 100%; height: 100%; object-fit: cover; }
.article-card__body { position: relative; padding: 12px 40px 8px 8px; }
.article-card time { display: block; color: var(--c-muted); font-size: .74rem; font-weight: 600; margin-bottom: 4px; }
.article-card h3 { font-size: .95rem; line-height: 1.35; margin: 0; }
.article-card h3 a { color: var(--c-ink); }
.article-card h3 a::after { content: ""; position: absolute; inset: 0; }
.article-card__arrow { position: absolute; right: 10px; top: 50%; transform: translateY(-20%); color: var(--c-primary); }
.article-card__arrow .ic { width: 20px; height: 20px; }

/* ---------- CTA ---------- */
.cta { padding: 34px 0 40px; }
.cta__panel { position: relative; display: grid; gap: 24px; padding: 26px 18px 18px; border-radius: var(--radius-lg); background: linear-gradient(120deg, #031f42 0%, #06305f 55%, #0b4a8a 100%); color: #fff; overflow: hidden; box-shadow: var(--shadow-lg); }
.cta__bg { position: absolute; inset: 0; background: url("/public/assets/img/cta-bg.webp") center / cover no-repeat; opacity: .14; mix-blend-mode: luminosity; }
.cta__mark { position: absolute; right: -40px; top: 10px; width: 220px; opacity: .2; pointer-events: none; }
.cta__copy, .cta__form { position: relative; z-index: 1; }
.cta__copy h2 { color: #fff; font-size: clamp(1.45rem, 1.1rem + 1.6vw, 2.1rem); }
.cta__copy > p { color: rgba(255, 255, 255, .84); font-size: .95rem; }
.cta__contacts { list-style: none; margin: 20px 0 0; padding: 0; display: grid; gap: 14px; }
.cta__contacts li { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: .95rem; }
.cta__contacts a { color: #fff; }
.cta__contacts li > span:not(.cta__ic) { font-size: .86rem; line-height: 1.45; }
.cta__ic { display: grid; place-items: center; flex: none; width: 36px; height: 36px; border-radius: 50%; background: #fff; color: var(--c-navy); }
.cta__ic .ic { width: 18px; height: 18px; }
.cta__ic--plain { background: transparent; color: #fff; }
.cta__ic--plain .ic { width: 26px; height: 26px; }
.cta__form { background: #fff; color: var(--c-text); border-radius: var(--radius); padding: 20px 16px 16px; box-shadow: var(--shadow); }
.cta__form h3 { font-size: 1.05rem; margin-bottom: 2px; }
.cta__form > p { color: var(--c-muted); font-size: .8rem; margin-bottom: 14px; }

/* ---------- Footer ---------- */
.site-footer { position: relative; overflow: hidden; background: var(--c-footer); color: rgba(255, 255, 255, .72); font-size: .84rem; padding-top: 40px; }
.site-footer__glow { position: absolute; right: -120px; top: -60px; width: 360px; height: 360px; background: url("/public/assets/img/mark.webp") center / contain no-repeat; opacity: .07; pointer-events: none; }
.site-footer__grid { position: relative; display: grid; gap: 28px; grid-template-columns: 1fr 1fr; padding-bottom: 28px; }
.footer-brand { grid-column: 1 / -1; }
.footer-brand__logo img { width: 160px; margin-bottom: 12px; }
.footer-brand p { max-width: 260px; }
.footer-social { list-style: none; display: flex; gap: 10px; margin: 0; padding: 0; }
.footer-social a { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: rgba(255, 255, 255, .08); color: #fff; }
.footer-social a:hover { background: var(--c-primary); color: #fff; }
.footer-social .ic { width: 16px; height: 16px; }
.footer-col__title { color: #fff; font-size: .9rem; margin-bottom: 12px; letter-spacing: 0; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 7px; }
.footer-col a { color: rgba(255, 255, 255, .72); }
.footer-col a:hover { color: #fff; }
.footer-contact { grid-column: 1 / -1; }
.footer-contact li { display: flex; gap: 10px; align-items: flex-start; }
.footer-contact .ic { width: 16px; height: 16px; margin-top: 3px; color: #7fb2f0; }
.site-footer__bottom { position: relative; display: flex; flex-wrap: wrap; justify-content: space-between; gap: 10px; padding-block: 18px; border-top: 1px solid rgba(255, 255, 255, .1); font-size: .78rem; }
.site-footer__bottom p { margin: 0; }
.footer-legal { list-style: none; display: flex; flex-wrap: wrap; gap: 6px 16px; margin: 0; padding: 0; }
.footer-legal a { color: rgba(255, 255, 255, .62); }
.footer-legal a:hover { color: #fff; }

/* ---------- Contact dock ---------- */
.contact-dock { position: fixed; z-index: 70; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(3, 1fr); background: #fff; border-top: 1px solid var(--c-line); box-shadow: 0 -8px 24px -12px rgba(10, 40, 90, .3); padding-bottom: env(safe-area-inset-bottom); }
.contact-dock__item { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px; min-height: 58px; border: 0; background: none; font-size: .72rem; font-weight: 700; color: var(--c-ink); cursor: pointer; text-align: center; line-height: 1.15; }
.contact-dock__item .ic { width: 21px; height: 21px; }
.contact-dock__item--wa { background: var(--c-wa); color: #fff; }
.contact-dock__item--wa:hover { color: #fff; background: var(--c-wa-600); }
.contact-dock__item--call { background: var(--c-navy-800); color: #fff; }
.contact-dock__item--call:hover { color: #fff; background: #0b3460; }
.contact-dock__item--msg { color: var(--c-ink); }
.dock-br { display: none; }
body { --dock-h: 58px; }

.to-top { position: fixed; z-index: 65; right: 14px; bottom: calc(var(--dock-h) + 14px + env(safe-area-inset-bottom)); width: 42px; height: 42px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, .2); background: var(--c-navy-800); color: #fff; display: grid; place-items: center; cursor: pointer; opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .25s, transform .25s, visibility .25s; box-shadow: var(--shadow); }
.to-top.is-visible { opacity: 1; visibility: visible; transform: none; }
.to-top .ic { width: 20px; height: 20px; }

/* ---------- Message dialog ---------- */
.message-dialog { width: min(560px, calc(100% - 24px)); max-height: calc(100dvh - 24px); padding: 0; border: 0; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); background: #fff; color: var(--c-text); }
.message-dialog::backdrop { background: rgba(4, 21, 40, .55); backdrop-filter: blur(3px); }
.message-dialog__panel { position: relative; padding: 24px 18px 18px; }
.message-dialog__title { font-size: 1.25rem; margin-bottom: 4px; }
.message-dialog__lead { color: var(--c-muted); font-size: .88rem; margin-bottom: 16px; }
.message-dialog__close { position: absolute; right: 12px; top: 12px; width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--c-line); background: #fff; display: grid; place-items: center; cursor: pointer; }

/* ---------- Inner pages ---------- */
.page-hero { position: relative; overflow: hidden; padding: 26px 0 28px; background: linear-gradient(180deg, #eef5fd, var(--c-bg)); border-bottom: 1px solid var(--c-line); }
.page-hero::after { content: ""; position: absolute; right: -100px; top: -80px; width: 380px; height: 380px; background: url("/public/assets/img/mark.webp") center / contain no-repeat; opacity: .06; pointer-events: none; }
.page-hero h1 { font-size: clamp(1.6rem, 1.15rem + 2vw, 2.45rem); margin: 6px 0 8px; letter-spacing: -.02em; }
.page-hero p { color: var(--c-muted); max-width: 720px; margin: 0; font-size: .98rem; }
.breadcrumbs { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; margin: 0; padding: 0; font-size: .78rem; color: var(--c-muted); }
.breadcrumbs li { display: inline-flex; align-items: center; gap: 6px; }
.breadcrumbs li + li::before { content: "/"; color: #a9b6c6; }
.breadcrumbs a { color: var(--c-muted); }
.breadcrumbs a:hover { color: var(--c-primary); }
.page-body { padding: 32px 0 44px; }
.layout-split { display: grid; gap: 24px; }
.prose { color: #2c3c52; font-size: 1rem; line-height: 1.75; max-width: 780px; }
.prose h2 { font-size: 1.35rem; margin: 1.6em 0 .6em; }
.prose h3 { font-size: 1.1rem; margin: 1.4em 0 .5em; }
.prose ul, .prose ol { padding-left: 1.3em; margin: 0 0 1.2em; }
.prose li { margin-bottom: .45em; }
.prose li::marker { color: var(--c-primary); }
.prose a { text-decoration: underline; text-underline-offset: 2px; }
.prose table { width: 100%; border-collapse: collapse; margin: 1.2em 0; font-size: .92rem; display: block; overflow-x: auto; }
.prose th, .prose td { border: 1px solid var(--c-line); padding: 9px 12px; text-align: left; }
.prose th { background: #f2f6fb; color: var(--c-ink); }
.prose blockquote { margin: 1.4em 0; padding: 14px 18px; border-left: 4px solid var(--c-primary); background: #f1f6fd; border-radius: 0 10px 10px 0; }
.prose img { border-radius: var(--radius); }
.prose > :first-child { margin-top: 0; }
.side-card { background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); box-shadow: var(--shadow-sm); padding: 20px; }
.side-card h2, .side-card h3 { font-size: 1rem; }
.side-card + .side-card { margin-top: 16px; }
.side-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; }
.side-list a { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 10px; border-radius: 8px; color: var(--c-text); font-weight: 600; font-size: .88rem; }
.side-list a:hover, .side-list a[aria-current="page"] { background: var(--c-primary-50); color: var(--c-primary); }
.side-list .ic { width: 16px; height: 16px; color: var(--c-muted); }
.cta-card { background: linear-gradient(140deg, #06305f, #0b4a8a); color: #fff; border: 0; }
.cta-card h3 { color: #fff; }
.cta-card p { color: rgba(255, 255, 255, .82); font-size: .88rem; }
.cta-card .btn + .btn { margin-top: 8px; }
.empty-state { display: grid; place-items: center; text-align: center; gap: 8px; padding: 40px 20px; border: 1px dashed var(--c-line-strong); border-radius: var(--radius-lg); background: #fff; color: var(--c-muted); }
.empty-state .ic { width: 40px; height: 40px; color: var(--c-primary); }
.empty-state h2, .empty-state h3 { color: var(--c-ink); font-size: 1.1rem; margin: 0; }
.media-hero { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow); margin-bottom: 24px; aspect-ratio: 16 / 7; background: #e8eef6; }
.media-hero img { width: 100%; height: 100%; object-fit: cover; }
.pagination { display: flex; flex-wrap: wrap; gap: 6px; justify-content: center; margin-top: 28px; }
.pagination a, .pagination span { min-width: 40px; height: 40px; display: grid; place-items: center; padding: 0 12px; border-radius: 9px; border: 1px solid var(--c-line); background: #fff; font-weight: 700; color: var(--c-text); }
.pagination .is-current { background: var(--c-primary); border-color: var(--c-primary); color: #fff; }
.chip-row { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.chip { display: inline-flex; align-items: center; gap: 6px; padding: 7px 14px; border-radius: 99px; border: 1px solid var(--c-line); background: #fff; font-size: .82rem; font-weight: 700; color: var(--c-text); }
.chip:hover, .chip.is-active { border-color: var(--c-primary); color: var(--c-primary); background: var(--c-primary-50); }
.map-frame { border-radius: var(--radius-lg); overflow: hidden; border: 1px solid var(--c-line); box-shadow: var(--shadow-sm); aspect-ratio: 16 / 10; background: #e8eef6; }
.map-frame iframe { width: 100%; height: 100%; border: 0; display: block; }
.info-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 14px; }
.info-list li { display: flex; gap: 12px; align-items: flex-start; }
.info-list .ic { width: 20px; height: 20px; color: var(--c-primary); margin-top: 2px; }
.info-list strong { display: block; color: var(--c-ink); font-size: .88rem; }
.info-list span, .info-list a { font-size: .9rem; }
.spec-table { width: 100%; border-collapse: collapse; font-size: .9rem; }
.spec-table th, .spec-table td { padding: 10px 12px; border-bottom: 1px solid var(--c-line); text-align: left; vertical-align: top; }
.spec-table th { width: 42%; color: var(--c-muted); font-weight: 600; }
.spec-table td { color: var(--c-ink); font-weight: 600; }

/* ---------- Auth ---------- */
.auth-wrap { display: grid; place-items: center; padding: 36px 0 54px; }
.auth-card { width: 100%; max-width: 460px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); box-shadow: var(--shadow); padding: 26px 20px; }
.auth-card--wide { max-width: 640px; }
.auth-card h1 { font-size: 1.45rem; margin-bottom: 4px; }
.auth-card .lead { color: var(--c-muted); font-size: .9rem; margin-bottom: 20px; }
.auth-card form { display: grid; gap: 14px; }
.auth-foot { margin-top: 18px; padding-top: 16px; border-top: 1px solid var(--c-line); font-size: .86rem; color: var(--c-muted); text-align: center; }
.password-field { position: relative; }
.password-field .input { padding-right: 46px; }
.password-toggle { position: absolute; right: 4px; top: 50%; transform: translateY(-50%); width: 40px; height: 40px; border: 0; background: none; color: var(--c-muted); cursor: pointer; display: grid; place-items: center; }

/* ---------- Catalog / blog components ---------- */
.search-bar { position: relative; display: flex; gap: 8px; margin-bottom: 22px; }
.search-bar > .ic { position: absolute; left: 14px; top: 50%; transform: translateY(-50%); color: var(--c-muted); pointer-events: none; }
.search-bar .input { padding-left: 42px; }
.product-grid { display: grid; gap: 12px; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.product-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; color: var(--c-text); transition: box-shadow .25s var(--ease), transform .25s var(--ease); }
.product-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); color: var(--c-text); }
.product-card__media { display: grid; place-items: center; aspect-ratio: 1; background: #fff; border-bottom: 1px solid var(--c-line); padding: 10px; }
.product-card__media img { width: 100%; height: 100%; object-fit: contain; }
.product-card__placeholder { display: grid; place-items: center; width: 100%; height: 100%; color: #b7c5d6; background: #f4f7fb; border-radius: 8px; }
.product-card__placeholder .ic { width: 44px; height: 44px; }
.product-card__body { display: flex; flex-direction: column; gap: 4px; padding: 12px; flex: 1; }
.product-card__brand { font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--c-muted); }
.product-card__title { color: var(--c-ink); font-size: .88rem; line-height: 1.35; }
.product-card__code { font-size: .74rem; color: var(--c-muted); }
.product-card .text-link { margin-top: auto; padding-top: 6px; font-size: .78rem; }
.category-card { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); box-shadow: var(--shadow-sm); overflow: hidden; color: var(--c-text); transition: box-shadow .25s var(--ease), transform .25s var(--ease); }
.category-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); color: var(--c-text); }
.category-card__media { aspect-ratio: 26 / 15; overflow: hidden; background: #eef3f9; }
.category-card__media img { width: 100%; height: 100%; object-fit: cover; }
.category-card__body { display: flex; flex-direction: column; gap: 6px; padding: 14px 16px 16px; flex: 1; }
.category-card__body strong { color: var(--c-ink); font-size: 1rem; }
.category-card__body > span:not(.text-link) { color: var(--c-muted); font-size: .84rem; }
.category-card .text-link { margin-top: auto; padding-top: 4px; }
.product-detail { display: grid; gap: 24px; }
.product-gallery__main { display: grid; place-items: center; aspect-ratio: 1; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); padding: 18px; box-shadow: var(--shadow-sm); }
.product-gallery__main img { width: 100%; height: 100%; object-fit: contain; }
.product-gallery__thumbs { display: flex; gap: 8px; margin-top: 10px; overflow-x: auto; }
.product-gallery__thumbs button { flex: none; width: 72px; height: 72px; padding: 4px; border-radius: 10px; border: 2px solid var(--c-line); background: #fff; cursor: pointer; }
.product-gallery__thumbs button.is-active { border-color: var(--c-primary); }
.product-gallery__thumbs img { width: 100%; height: 100%; object-fit: contain; }
.product-meta { display: flex; flex-wrap: wrap; gap: 10px 24px; margin: 4px 0 16px; }
.product-meta dt { font-size: .74rem; color: var(--c-muted); font-weight: 600; }
.product-meta dd { margin: 0; font-weight: 800; color: var(--c-ink); }
.product-info__lead { font-size: 1rem; color: #34465d; }
.product-cta { display: flex; flex-wrap: wrap; gap: 10px; margin: 18px 0 14px; }
.product-cta .btn { flex: 1 1 200px; }
.product-info__note { display: flex; gap: 10px; align-items: flex-start; padding: 12px 14px; border-radius: 10px; background: var(--c-primary-50); color: var(--c-primary-700); font-size: .84rem; font-weight: 600; }
.product-info__note .ic { margin-top: 2px; }
.doc-list { list-style: none; margin: 16px 0 0; padding: 0; display: grid; gap: 8px; }
.doc-list a { display: flex; align-items: center; gap: 10px; padding: 11px 14px; border: 1px solid var(--c-line); border-radius: 10px; background: #fff; font-weight: 700; font-size: .88rem; color: var(--c-ink); }
.doc-list a .ic:last-child { margin-left: auto; color: var(--c-primary); }
.article-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--c-muted); font-size: .84rem; font-weight: 600; margin-bottom: 18px; }
.article-meta > *, .article-meta span, .article-meta a { display: inline-flex; align-items: center; gap: 6px; }
.article-meta a { color: var(--c-primary); }
.faq { margin-top: 36px; }
.faq h2 { font-size: 1.35rem; }
.faq details { border: 1px solid var(--c-line); border-radius: 10px; background: #fff; margin-bottom: 8px; }
.faq summary { cursor: pointer; padding: 14px 16px; font-weight: 700; color: var(--c-ink); list-style: none; display: flex; justify-content: space-between; gap: 12px; }
.faq summary::after { content: "+"; color: var(--c-primary); font-size: 1.2rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details .prose { padding: 0 16px 6px; font-size: .95rem; }
.sources { margin-top: 28px; padding-top: 18px; border-top: 1px solid var(--c-line); }
.sources h2 { font-size: 1rem; }
.sources .prose { font-size: .86rem; }
.catalog-list { display: grid; gap: 16px; }
.catalog-item { display: grid; grid-template-columns: 110px 1fr; gap: 18px; align-items: start; padding: 18px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.catalog-item__cover { display: grid; place-items: center; aspect-ratio: 3 / 4; border-radius: 8px; overflow: hidden; background: var(--c-primary-50); color: var(--c-primary); box-shadow: var(--shadow-sm); }
.catalog-item__cover img { width: 100%; height: 100%; object-fit: cover; }
.catalog-item__cover .ic { width: 40px; height: 40px; }
.catalog-item h2 { font-size: 1.15rem; margin-bottom: 6px; }
.reference-card { display: grid; place-items: center; gap: 8px; min-height: 120px; padding: 18px; background: #fff; border: 1px solid var(--c-line); border-radius: var(--radius); text-align: center; }
.reference-card img { max-height: 60px; width: auto; filter: grayscale(1); opacity: .8; }
.reference-card span { font-size: .78rem; color: var(--c-muted); }
@media (min-width: 640px) {
  .product-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
}
@media (min-width: 900px) {
  .product-detail { grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr); gap: 40px; align-items: start; }
}
@media (min-width: 1100px) {
  .product-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* ---------- Calculators ---------- */
.calc { padding: 20px; }
.calc-tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.calc-tabs .chip { cursor: pointer; }
.calc-table { width: 100%; border-collapse: collapse; font-size: .86rem; margin-bottom: 10px; }
.calc-table th { text-align: left; font-size: .74rem; color: var(--c-muted); font-weight: 700; padding: 6px; border-bottom: 1px solid var(--c-line); white-space: nowrap; }
.calc-table td { padding: 6px; vertical-align: middle; }
.calc-table .num { text-align: right; font-weight: 800; color: var(--c-ink); font-variant-numeric: tabular-nums; white-space: nowrap; }
.calc-table select.input { min-width: 170px; }
.calc-table input.input { min-width: 90px; }
.calc-result { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); margin-top: 16px; }
.calc-result > div { padding: 12px 14px; border-radius: 10px; background: #f4f8fd; border: 1px solid var(--c-line); }
.calc-result > div.is-main { background: var(--c-primary-50); border-color: #b9d2f3; }
.calc-result span { display: block; font-size: .76rem; color: var(--c-muted); font-weight: 600; }
.calc-result strong { display: block; font-size: 1.1rem; color: var(--c-ink); font-variant-numeric: tabular-nums; }
.calc-result > div.is-main strong { color: var(--c-primary); }
.calc-result--list { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.calc-error { margin: 12px 0 0; padding: 10px 12px; border-radius: 8px; background: var(--c-danger-50); color: #8d1f1f; font-weight: 600; font-size: .86rem; }
.calc-notes { margin-top: 26px; font-size: .94rem; }

/* ---------- ≥ 640px ---------- */
@media (min-width: 640px) {
  :root { --gutter: 24px; }
  .eyebrow { font-size: .72rem; letter-spacing: .16em; }
  body { font-size: 15.5px; }
  .card-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 14px; }
  .card-grid--3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .card-grid--4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .mini-cards { grid-template-columns: repeat(3, 1fr); }
  .mini-card { flex-direction: column; align-items: flex-start; gap: 10px; }
  .office-row { grid-template-columns: 1fr auto; align-items: center; }
  .pp__stats { grid-template-columns: repeat(4, 1fr); }
  .pp__table th:nth-child(2), .pp__table td:nth-child(2) { display: table-cell; }
  .hero__actions .btn { flex: 0 0 auto; }
  .cta__panel { padding: 32px 28px 28px; }
  .cta__contacts { grid-template-columns: 1fr 1fr; gap: 16px 20px; }
  .auth-card { padding: 34px 32px; }
  .site-footer__grid { grid-template-columns: repeat(3, 1fr); }
  .footer-brand { grid-column: auto; }
  .footer-contact { grid-column: auto; }
}

/* ---------- ≥ 900px ---------- */
@media (min-width: 900px) {
  .layout-split { grid-template-columns: minmax(0, 1fr) 320px; gap: 40px; align-items: start; }
  .layout-split > aside { position: sticky; top: calc(var(--header-h) + 20px); }
  .feature-row { grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 0; }
  .feature-card { padding: 18px 18px; gap: 16px; }
  .feature-card__icon { width: 52px; height: 52px; }
  .feature-card__icon .ic { width: 42px; height: 42px; }
  .feature-card__title { font-size: .95rem; }
  .feature-card__text { font-size: .75rem; }
  .panel-teaser__inner { grid-template-columns: minmax(0, .82fr) minmax(0, 1.18fr); align-items: center; gap: 44px; }
  .pp { grid-template-columns: 170px 1fr; }
  .pp__side { display: block; }
  .card-grid--4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .card-grid--3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

/* ---------- ≥ 1100px: masaüstü ---------- */
@media (min-width: 1100px) {
  :root { --gutter: 32px; --header-h: 78px; --dock-space: max(0px, calc(96px - (100vw - var(--container)) / 2 + var(--gutter))); }
  /* Sağdaki sabit iletişim dock'u içerikle çakışmasın: dar masaüstlerinde içerik simetrik daralır */
  main .container { padding-inline: calc(var(--gutter) + var(--dock-space)); }
  body { --dock-h: 0px; }
  .brand__logo { height: 52px; }
  .nav-toggle, .mobile-nav { display: none !important; }
  .main-nav { display: block; margin-left: auto; }
  .main-nav__list { list-style: none; display: flex; gap: 4px; margin: 0; padding: 0; }
  .main-nav__link { position: relative; display: block; padding: 10px 12px; color: var(--c-ink); font-weight: 600; font-size: .86rem; white-space: nowrap; }
  .main-nav__link::after { content: ""; position: absolute; left: 12px; right: 12px; bottom: 2px; height: 2.5px; border-radius: 2px; background: var(--c-primary); transform: scaleX(0); transition: transform .25s var(--ease); }
  .main-nav__link:hover, .main-nav__link.is-active { color: var(--c-primary); }
  .main-nav__link:hover::after, .main-nav__link.is-active::after { transform: scaleX(1); }
  .header-actions { display: flex; align-items: center; gap: 16px; margin-left: 18px; }
  .header-link { display: inline-flex; align-items: center; gap: 8px; color: var(--c-ink); font-weight: 600; font-size: .84rem; white-space: nowrap; }
  .header-link .ic { color: var(--c-primary); width: 18px; height: 18px; }
  .header-phone { display: inline-flex; align-items: center; gap: 8px; color: var(--c-ink); font-weight: 800; font-size: .98rem; white-space: nowrap; }
  .header-phone .ic { color: var(--c-primary); width: 18px; height: 18px; }

  .hero { padding-bottom: 30px; }
  .hero__media { position: absolute; inset: 0 0 0 38%; height: auto; margin: 0; }
  .hero__media img { object-position: 50% 50%; }
  .hero__media::after { background: linear-gradient(90deg, #f3f8fe 0%, rgba(243, 248, 254, .82) 14%, rgba(243, 248, 254, 0) 42%), linear-gradient(180deg, rgba(243, 248, 254, 0) 70%, rgba(245, 249, 253, .9) 100%); }
  .hero__glow { left: -160px; top: 120px; width: 420px; height: 420px; }
  .hero__content { padding: 64px 0 56px; max-width: 640px; }
  .hero__title { font-size: 2.65rem; }
  .hero__lead { font-size: 1.02rem; }

  .about { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); gap: 48px; align-items: center; padding: 56px 0 12px; max-width: calc(var(--container) + var(--gutter) * 2); margin-inline: auto; padding-right: calc(var(--gutter) + var(--dock-space)); }
  .about__media { margin: 0; border-radius: 0 var(--radius-lg) var(--radius-lg) 0; aspect-ratio: auto; height: 100%; min-height: 420px; }
  .about__body { padding: 0; }
  .mini-card { flex-direction: row; align-items: center; }

  .card-grid--6 { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 16px; }
  .section { padding: 56px 0 26px; }
  .section--tight { padding: 34px 0 26px; }

  .panel-teaser { padding: 56px 0 52px; }
  .cta__panel { grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 40px; padding: 40px 30px 30px 44px; align-items: center; }
  .cta__mark { right: calc(41% - 30px); top: 50%; transform: translateY(-50%); width: 210px; opacity: .5; }
  .cta__form { padding: 24px 22px 20px; }

  .site-footer__grid { grid-template-columns: 1.3fr 1fr 1.3fr 1fr 1.4fr; gap: 32px; }

  /* Sağ orta sabit dikey dock */
  .contact-dock { left: auto; right: 14px; bottom: auto; top: 50%; transform: translateY(-50%); grid-template-columns: 1fr; gap: 10px; background: transparent; border: 0; box-shadow: none; padding: 0; }
  .contact-dock__item { width: 72px; min-height: 72px; border-radius: 14px; font-size: .68rem; gap: 6px; box-shadow: 0 12px 26px -12px rgba(5, 30, 70, .55); border: 1px solid rgba(255, 255, 255, .25); transition: transform .2s var(--ease), box-shadow .2s; }
  .contact-dock__item:hover { transform: translateX(-3px); }
  .contact-dock__item .ic { width: 26px; height: 26px; }
  .contact-dock__item--msg { background: #fff; border-color: var(--c-line); }
  .dock-br { display: inline; }
  .to-top { right: 24px; bottom: 24px; }
  .page-hero { padding: 40px 0 42px; }
  .page-body { padding: 44px 0 64px; }
}

@media (min-width: 1400px) {
  .contact-dock { right: 18px; }
  .hero__title { font-size: 2.8rem; }
}