/* ===================================================================
   DENTADRES — Yeni Tasarım (statik mockup)
   Marka: teal/cyan  •  Modern, akıcı, responsive
   =================================================================== */

:root {
  --brand:        #00bcc4;
  --brand-2:      #14d0c8;
  --brand-dark:   #018d93;
  --brand-ink:    #063b3e;
  --ink:          #15242c;
  --muted:        #5a6b75;
  --bg:           #ffffff;
  --bg-soft:      #f1f9f9;
  --bg-soft-2:    #e9f5f5;
  --line:         #e2edee;
  --white:        #ffffff;
  --shadow-sm:    0 2px 10px rgba(6, 59, 62, .06);
  --shadow:       0 10px 30px rgba(6, 59, 62, .10);
  --shadow-lg:    0 24px 60px rgba(6, 59, 62, .16);
  --radius:       18px;
  --radius-sm:    12px;
  --radius-lg:    28px;
  --container:    1200px;
  --gutter:       clamp(16px, 4vw, 40px);
  --font-head:    "Plus Jakarta Sans", system-ui, sans-serif;
  --font-body:    "Manrope", system-ui, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.65;
  font-size: 17px;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, h4 { font-family: var(--font-head); line-height: 1.15; margin: 0 0 .5em; color: var(--ink); font-weight: 800; letter-spacing: -.02em; }
p { margin: 0 0 1em; }
::selection { background: var(--brand); color: #fff; }

.container { width: 100%; max-width: var(--container); margin: 0 auto; padding-inline: var(--gutter); }

/* ---------- Butonlar ---------- */
.btn {
  display: inline-flex; align-items: center; gap: .55em;
  font-family: var(--font-head); font-weight: 700; font-size: .98rem;
  padding: .85em 1.6em; border-radius: 999px; cursor: pointer;
  border: 1.5px solid transparent; transition: .25s ease; white-space: nowrap;
}
.btn-primary { background: linear-gradient(120deg, var(--brand), var(--brand-2)); color: #fff; box-shadow: 0 8px 22px rgba(0,188,196,.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 14px 30px rgba(0,188,196,.45); }
.btn-ghost { background: rgba(255,255,255,.14); color: #fff; border-color: rgba(255,255,255,.55); }
.btn-ghost:hover { background: #fff; color: var(--brand-dark); border-color: #fff; }
.btn-outline { background: transparent; color: var(--brand-dark); border-color: var(--brand); }
.btn-outline:hover { background: var(--brand); color: #fff; }

/* ---------- Bölüm başlıkları ---------- */
.section { padding: clamp(56px, 8vw, 110px) 0; }
.section-soft { background: var(--bg-soft); }
.eyebrow {
  display: inline-flex; align-items: center; gap: .5em;
  font-family: var(--font-head); font-weight: 700; font-size: .8rem;
  text-transform: uppercase; letter-spacing: .14em; color: var(--brand-dark);
  background: var(--bg-soft-2); padding: .45em 1em; border-radius: 999px; margin-bottom: 1rem;
}
.section-head { max-width: 720px; margin-bottom: clamp(32px, 5vw, 60px); }
.section-head.center { margin-inline: auto; text-align: center; }
.section-head h2 { font-size: clamp(1.9rem, 4.5vw, 3rem); }
.section-head p { color: var(--muted); font-size: 1.08rem; margin: 0; }

/* ===================================================================
   TOPBAR
   =================================================================== */
.topbar { background: var(--brand-ink); color: #dff6f6; font-size: .85rem; }
.topbar .container { display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 42px; }
.topbar a { color: #dff6f6; opacity: .9; transition: .2s; }
.topbar a:hover { opacity: 1; color: #fff; }
.topbar-left { display: flex; gap: 22px; flex-wrap: wrap; }
.topbar-left li { list-style: none; }
.topbar-left ul { display: flex; gap: 22px; margin: 0; padding: 0; }
.topbar-right { display: flex; align-items: center; gap: 14px; }
.lang-flags { display: flex; gap: 8px; margin: 0; padding: 0; list-style: none; }
.lang-flags img { height: 16px; width: auto; border-radius: 2px; opacity: .8; transition: .2s; }
.lang-flags a:hover img { opacity: 1; transform: translateY(-1px); }

/* ===================================================================
   HEADER / NAV
   =================================================================== */
.site-header {
  position: sticky; top: 0; z-index: 60; background: rgba(255,255,255,.88);
  backdrop-filter: saturate(160%) blur(12px); border-bottom: 1px solid var(--line);
  transition: box-shadow .3s;
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }
.nav { display: flex; align-items: center; justify-content: space-between; gap: 20px; min-height: 74px; }
.brand { display: flex; align-items: center; gap: 12px; }
.brand img { height: 46px; width: auto; }
.brand .brand-name { font-family: var(--font-head); font-weight: 800; font-size: 1.35rem; letter-spacing: .02em; color: var(--ink); }
.brand .brand-name span { color: var(--brand); }

.nav-links { display: flex; align-items: center; gap: 4px; list-style: none; margin: 0; padding: 0; }
.nav-links > li > a {
  display: block; padding: .6em .8em; border-radius: 10px; font-family: var(--font-head);
  font-weight: 600; font-size: .95rem; color: var(--ink); transition: .2s; position: relative; white-space: nowrap;
}
.nav-links > li > a:hover, .nav-links > li > a.active { color: var(--brand-dark); background: var(--bg-soft); }

.nav-cta { display: flex; align-items: center; gap: 12px; }
.nav-phone { display: flex; align-items: center; gap: 8px; font-family: var(--font-head); font-weight: 700; color: var(--ink); white-space: nowrap; }
.nav-phone .ic { display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%; background: var(--bg-soft-2); color: var(--brand-dark); }

.mobile-cta { display: none; }
.nav-toggle { display: none; border: 0; background: var(--bg-soft); width: 46px; height: 46px; border-radius: 12px; cursor: pointer; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--ink); margin: 4px auto; transition: .3s; }
.nav-toggle.open span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle.open span:nth-child(2) { opacity: 0; }
.nav-toggle.open span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

/* ===================================================================
   HERO
   =================================================================== */
.hero { position: relative; background: linear-gradient(160deg, #eafafa 0%, #f6fdfd 40%, #ffffff 100%); overflow: hidden; }
.hero::before { content: ""; position: absolute; top: -20%; right: -10%; width: 620px; height: 620px; background: radial-gradient(circle, rgba(0,188,196,.16), transparent 62%); z-index: 0; }
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr .95fr; gap: clamp(30px, 5vw, 64px); align-items: center; padding: clamp(48px, 7vw, 96px) 0; }
.hero-badge { display: inline-flex; align-items: center; gap: .6em; background: #fff; border: 1px solid var(--line); box-shadow: var(--shadow-sm); padding: .5em 1em; border-radius: 999px; font-weight: 600; font-size: .9rem; color: var(--brand-dark); margin-bottom: 1.4rem; }
.hero-badge .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 4px rgba(0,188,196,.2); }
.hero h1 { font-size: clamp(2.2rem, 5.6vw, 3.9rem); margin-bottom: .35em; }
.hero h1 .hl { color: var(--brand-dark); }
.hero-lead { font-size: clamp(1.05rem, 2vw, 1.22rem); color: var(--muted); max-width: 33em; margin-bottom: 1.8rem; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 2.2rem; }
.hero-stats { display: flex; gap: clamp(20px, 4vw, 44px); flex-wrap: wrap; }
.hero-stats .stat b { font-family: var(--font-head); font-size: clamp(1.5rem, 3vw, 2.1rem); color: var(--ink); display: block; line-height: 1; }
.hero-stats .stat span { font-size: .9rem; color: var(--muted); }

.hero-media { position: relative; }
.hero-media .shot { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); width: 100%; aspect-ratio: 4/5; object-fit: cover; }
.hero-media .float-card { position: absolute; background: #fff; border-radius: var(--radius); box-shadow: var(--shadow); padding: 14px 18px; display: flex; align-items: center; gap: 12px; }
.hero-media .fc-1 { bottom: 26px; left: -26px; }
.hero-media .fc-2 { top: 26px; right: -18px; }
.hero-media .float-card .ic { width: 42px; height: 42px; border-radius: 12px; background: var(--bg-soft-2); color: var(--brand-dark); display: grid; place-items: center; font-size: 1.2rem; }
.hero-media .float-card b { font-family: var(--font-head); font-size: .98rem; display: block; }
.hero-media .float-card span { font-size: .8rem; color: var(--muted); }

/* ---------- Güven şeridi ---------- */
.trust-bar { border-top: 1px solid var(--line); background: #fff; }
.trust-bar .container { display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap; padding-block: 22px; }
.trust-item { display: flex; align-items: center; gap: 12px; color: var(--muted); font-weight: 600; font-size: .95rem; }
.trust-item .ic { color: var(--brand); font-size: 1.3rem; }

/* ===================================================================
   HAKKIMIZDA
   =================================================================== */
.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 68px); align-items: center; }
.about-media { position: relative; }
.about-media .m-main { border-radius: var(--radius-lg); box-shadow: var(--shadow); width: 100%; aspect-ratio: 5/4; object-fit: cover; }
.about-media .m-badge { position: absolute; right: -12px; bottom: -20px; background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: #fff; border-radius: var(--radius); padding: 18px 22px; box-shadow: var(--shadow); text-align: center; }
.about-media .m-badge b { font-family: var(--font-head); font-size: 2rem; display: block; line-height: 1; }
.about-media .m-badge span { font-size: .82rem; opacity: .92; }
.about-list { list-style: none; padding: 0; margin: 1.4rem 0 2rem; display: grid; gap: 12px; }
.about-list li { display: flex; gap: 12px; align-items: flex-start; color: var(--ink); font-weight: 500; }
.about-list .tick { flex: none; width: 26px; height: 26px; border-radius: 50%; background: var(--bg-soft-2); color: var(--brand-dark); display: grid; place-items: center; font-size: .85rem; margin-top: 2px; }

/* ===================================================================
   TEDAVİLER — kartlar
   =================================================================== */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  overflow: hidden; box-shadow: var(--shadow-sm); transition: .3s; display: flex; flex-direction: column;
}
.card:hover { transform: translateY(-6px); box-shadow: var(--shadow); border-color: transparent; }
.card .thumb { aspect-ratio: 16/10; overflow: hidden; }
.card .thumb img { width: 100%; height: 100%; object-fit: cover; transition: .5s; }
.card:hover .thumb img { transform: scale(1.06); }
.card .body { padding: 22px 22px 24px; display: flex; flex-direction: column; flex: 1; }
.card .body h3 { font-size: 1.18rem; margin-bottom: .4em; }
.card .body p { color: var(--muted); font-size: .96rem; margin-bottom: 1.1em; }
.card .more { margin-top: auto; font-family: var(--font-head); font-weight: 700; font-size: .92rem; color: var(--brand-dark); display: inline-flex; align-items: center; gap: .4em; transition: gap .2s; }
.card:hover .more { gap: .8em; }

/* ===================================================================
   HEKİMLER
   =================================================================== */
.docs { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.doc-card { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: 26px; display: grid; grid-template-columns: 150px 1fr; gap: 24px; box-shadow: var(--shadow-sm); transition: .3s; }
.doc-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.doc-card .photo { border-radius: var(--radius); overflow: hidden; aspect-ratio: 4/5; background: var(--bg-soft); }
.doc-card .photo img { width: 100%; height: 100%; object-fit: cover; }
.doc-card h3 { margin-bottom: .1em; font-size: 1.25rem; }
.doc-card .role { color: var(--brand-dark); font-weight: 700; font-family: var(--font-head); font-size: .92rem; margin-bottom: .8em; }
.doc-card p { font-size: .93rem; color: var(--muted); margin-bottom: .6em; }
.doc-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 10px; }
.doc-tags span { font-size: .78rem; font-weight: 600; background: var(--bg-soft); color: var(--brand-dark); padding: .35em .8em; border-radius: 999px; }

/* ===================================================================
   KLİNİK GALERİ
   =================================================================== */
.gallery { display: grid; grid-template-columns: repeat(3, 1fr); grid-auto-rows: 220px; gap: 16px; }
.gallery a { position: relative; overflow: hidden; border-radius: var(--radius); cursor: pointer; box-shadow: var(--shadow-sm); }
.gallery a img { width: 100%; height: 100%; object-fit: cover; transition: .5s; }
.gallery a:hover img { transform: scale(1.08); }
.gallery a::after { content: "⤢"; position: absolute; inset: 0; display: grid; place-items: center; color: #fff; font-size: 1.6rem; background: rgba(1,141,147,.0); opacity: 0; transition: .3s; }
.gallery a:hover::after { background: rgba(1,141,147,.35); opacity: 1; }
.gallery .tall { grid-row: span 2; }

/* ===================================================================
   SAĞLIK TURİZMİ
   =================================================================== */
.tourism { background: linear-gradient(150deg, var(--brand-ink), #075055 60%, var(--brand-dark)); color: #eafafa; position: relative; overflow: hidden; }
.tourism::before { content: ""; position: absolute; right: -8%; bottom: -30%; width: 560px; height: 560px; background: radial-gradient(circle, rgba(20,208,200,.22), transparent 62%); }
.tourism .eyebrow { background: rgba(255,255,255,.12); color: #bff3f3; }
.tourism h2 { color: #fff; }
.tourism .t-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(30px, 5vw, 60px); align-items: center; }
.tourism p { color: #cdeeee; }
.tourism-features { list-style: none; padding: 0; margin: 1.6rem 0 0; display: grid; gap: 14px; }
.tourism-features li { display: flex; gap: 12px; align-items: flex-start; }
.tourism-features .ic { flex: none; width: 30px; height: 30px; border-radius: 9px; background: rgba(255,255,255,.14); color: #6ef0e9; display: grid; place-items: center; }
.tourism-media img { border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); width: 100%; aspect-ratio: 4/5; object-fit: cover; }

/* Belgelerimiz bölümü */
.cert-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; max-width: 920px; margin: 0 auto; }
.cert-item { margin: 0; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; box-shadow: var(--shadow-sm); text-align: center; transition: .3s; }
.cert-item:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.cert-item a[data-lightbox] { display: block; overflow: hidden; border-radius: 10px; }
.cert-item img { width: 100%; border-radius: 10px; cursor: zoom-in; transition: .4s; }
.cert-item:hover img { transform: scale(1.03); }
.cert-item figcaption { margin-top: 16px; display: flex; flex-direction: column; gap: 6px; }
.cert-item figcaption b { font-family: var(--font-head); color: var(--ink); font-size: 1rem; }
.cert-item figcaption a { color: var(--brand-dark); font-weight: 700; font-size: .88rem; }
.cert-item .cert-sub { color: var(--muted); font-size: .85rem; }

/* ===================================================================
   İLETİŞİM
   =================================================================== */
.contact-grid { display: grid; grid-template-columns: .9fr 1.1fr; gap: clamp(30px, 5vw, 56px); align-items: stretch; }
.contact-info { display: grid; gap: 18px; align-content: start; }
.info-row { display: flex; gap: 16px; align-items: flex-start; background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 20px 22px; box-shadow: var(--shadow-sm); }
.info-row .ic { flex: none; width: 48px; height: 48px; border-radius: 14px; background: var(--bg-soft-2); color: var(--brand-dark); display: grid; place-items: center; font-size: 1.3rem; }
.info-row h4 { margin: 0 0 .2em; font-size: 1.05rem; }
.info-row p, .info-row a { margin: 0; color: var(--muted); }
.info-row a:hover { color: var(--brand-dark); }
.contact-form { background: #fff; border: 1px solid var(--line); border-radius: var(--radius-lg); padding: clamp(24px, 4vw, 38px); box-shadow: var(--shadow-sm); }
.contact-form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.field { margin-bottom: 16px; }
.field label { display: block; font-family: var(--font-head); font-weight: 600; font-size: .88rem; margin-bottom: 6px; }
.field input, .field textarea, .field select {
  width: 100%; padding: .85em 1em; border: 1.5px solid var(--line); border-radius: 12px;
  font-family: var(--font-body); font-size: 1rem; background: var(--bg-soft); transition: .2s; color: var(--ink);
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-color: var(--brand); background: #fff; box-shadow: 0 0 0 4px rgba(0,188,196,.12); }
.field textarea { resize: vertical; min-height: 120px; }
.form-note { font-size: .82rem; color: var(--muted); margin-top: 10px; }
.map-embed { margin-top: 40px; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); border: 1px solid var(--line); }
.map-embed iframe { width: 100%; height: 380px; border: 0; display: block; }

/* ===================================================================
   FOOTER
   =================================================================== */
.footer { background: #08292b; color: #b8d6d6; padding: clamp(48px, 7vw, 80px) 0 30px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; }
.footer h4 { color: #fff; font-size: 1.05rem; margin-bottom: 1.1em; }
.footer .f-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 1.1rem; }
.footer .f-brand img { height: 46px; }
.footer .f-brand b { font-family: var(--font-head); font-size: 1.3rem; color: #fff; }
.footer p { color: #9bc0c0; font-size: .95rem; }
.footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.footer ul a { color: #a8caca; font-size: .95rem; transition: .2s; }
.footer ul a:hover { color: var(--brand-2); padding-left: 4px; }
.footer .f-contact li { display: flex; gap: 10px; align-items: flex-start; color: #a8caca; font-size: .95rem; }
.footer .f-contact .ic { color: var(--brand-2); }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social a { width: 40px; height: 40px; border-radius: 12px; background: rgba(255,255,255,.08); display: grid; place-items: center; transition: .2s; color: #d5eded; }
.footer-social a:hover { background: var(--brand); color: #fff; transform: translateY(-2px); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,.1); margin-top: 44px; padding-top: 24px; display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; font-size: .88rem; color: #86a9a9; }

/* ===================================================================
   LIGHTBOX
   =================================================================== */
.lightbox { position: fixed; inset: 0; background: rgba(4,30,32,.92); display: none; align-items: center; justify-content: center; z-index: 200; padding: 30px; }
.lightbox.open { display: flex; }
.lightbox img { max-width: 92vw; max-height: 88vh; border-radius: 12px; box-shadow: var(--shadow-lg); }
.lightbox .close { position: absolute; top: 22px; right: 28px; font-size: 2.4rem; color: #fff; cursor: pointer; line-height: 1; background: none; border: 0; }

/* ===================================================================
   REVEAL ANIM
   =================================================================== */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .7s ease, transform .7s ease; }
.reveal.in { opacity: 1; transform: none; }

/* ===================================================================
   SAYFA BAŞLIĞI (alt sayfalar)
   =================================================================== */
.page-hero { background: linear-gradient(160deg, #eafafa, #f6fdfd); padding: clamp(40px, 6vw, 80px) 0; border-bottom: 1px solid var(--line); }
.page-hero .eyebrow { margin-bottom: .8rem; }
.page-hero h1 { font-size: clamp(2rem, 5vw, 3.2rem); margin-bottom: .3em; }
.page-hero p { color: var(--muted); max-width: 640px; font-size: 1.1rem; margin: 0; }
.breadcrumb { font-size: .9rem; color: var(--muted); margin-bottom: 1rem; }
.breadcrumb a { color: var(--brand-dark); }

/* Tedavi detay accordion */
.treat-block { margin-bottom: 60px; scroll-margin-top: 100px; }
.treat-head { display: grid; grid-template-columns: 260px 1fr; gap: 30px; align-items: center; margin-bottom: 28px; }
.treat-head img { border-radius: var(--radius); aspect-ratio: 4/3; object-fit: cover; width: 100%; box-shadow: var(--shadow-sm); }
.treat-head h2 { font-size: clamp(1.6rem, 3.5vw, 2.2rem); }
.treat-head p { color: var(--muted); margin: 0; }
.accordion { border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.acc-item + .acc-item { border-top: 1px solid var(--line); }
.acc-q { width: 100%; text-align: left; background: #fff; border: 0; padding: 20px 24px; font-family: var(--font-head); font-weight: 700; font-size: 1.02rem; color: var(--ink); cursor: pointer; display: flex; justify-content: space-between; align-items: center; gap: 16px; transition: .2s; }
.acc-q:hover { background: var(--bg-soft); color: var(--brand-dark); }
.acc-q .chev { flex: none; transition: transform .3s; color: var(--brand); font-size: 1.3rem; }
.acc-item.open .acc-q { background: var(--bg-soft); color: var(--brand-dark); }
.acc-item.open .acc-q .chev { transform: rotate(45deg); }
.acc-a { max-height: 0; overflow: hidden; transition: max-height .35s ease; background: #fbfdfd; }
.acc-a .inner { padding: 4px 24px 22px; color: var(--muted); font-size: .98rem; }
.treat-nav { position: sticky; top: 90px; align-self: start; display: grid; gap: 6px; }
.treat-nav a { padding: .55em .9em; border-radius: 10px; font-weight: 600; font-size: .92rem; color: var(--muted); transition: .2s; }
.treat-nav a:hover, .treat-nav a.active { background: var(--bg-soft); color: var(--brand-dark); }
.treat-layout { display: grid; grid-template-columns: 240px 1fr; gap: 44px; align-items: start; }

/* ===================================================================
   RESPONSIVE
   =================================================================== */
@media (max-width: 1360px) {
  .nav-phone { display: none; }
}
@media (max-width: 1080px) {
  .cards { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
}
@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-media { order: -1; max-width: 460px; }
  .about-grid, .tourism .t-grid, .contact-grid, .docs, .treat-layout, .treat-head { grid-template-columns: 1fr; }
  .treat-nav { position: static; flex-wrap: wrap; display: flex; }
  .topbar-left { display: none; }
  .nav-phone { display: none; }
  .nav-cta { display: none; }
  .mobile-cta { display: block; margin-top: 16px; }
  .mobile-cta .btn { width: 100%; justify-content: center; }
  .nav-links {
    position: fixed; inset: 0 0 0 auto; width: min(320px, 84vw); background: #fff;
    flex-direction: column; align-items: stretch; gap: 4px; padding: 90px 22px 30px;
    box-shadow: var(--shadow-lg); transform: translateX(100%); transition: transform .35s ease; z-index: 55;
  }
  .nav-links.open { transform: none; }
  .nav-links > li > a { padding: .8em 1em; font-size: 1.05rem; }
  .nav-toggle { display: block; position: relative; z-index: 60; }
  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 180px; }
  .gallery .tall { grid-row: span 1; }
}
@media (max-width: 640px) {
  .cert-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  body { font-size: 16px; }
  .cards { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .contact-form .row2 { grid-template-columns: 1fr; }
  .doc-card { grid-template-columns: 1fr; }
  .doc-card .photo { max-width: 180px; }
  .hero-media .float-card { display: none; }
  .gallery { grid-template-columns: 1fr 1fr; }
  .hero-stats { gap: 18px; }
  .section-head h2, .hero h1 { overflow-wrap: anywhere; }
}