/* Güncel OSGB — yeni kurumsal tema (logo renkleri) */
:root {
  --primary: #0b6e8f;
  --primary-dark: #084d63;
  --primary-light: #38bdf8;
  --accent: #00aeef;
  --text: #1a2b33;
  --text-muted: #5a6f7d;
  --bg: #ffffff;
  --bg-soft: #f0f9fc;
  --bg-dark: #063a4d;
  --border: #d4e8f0;
  --shadow: 0 4px 24px rgba(11, 110, 143, 0.1);
  --shadow-lg: 0 20px 50px rgba(11, 110, 143, 0.15);
  --radius: 12px;
  --radius-lg: 20px;
  --font: "Plus Jakarta Sans", system-ui, sans-serif;
  --header-h: 72px;
  --topbar-h: 40px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

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

a { color: var(--primary); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--accent); }

.container {
  width: min(1180px, 92vw);
  margin-inline: auto;
}

/* ── Top bar ── */
.topbar {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.9);
  font-size: 0.82rem;
  height: var(--topbar-h);
  display: flex;
  align-items: center;
}

.topbar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1rem 1.5rem;
  width: 100%;
}

.topbar__link {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: rgba(255,255,255,0.88);
}
.topbar__link:hover { color: var(--primary-light); }
.topbar__link svg { width: 15px; height: 15px; fill: var(--primary-light); flex-shrink: 0; }

.topbar__social {
  margin-left: auto;
  width: 28px; height: 28px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 0.85rem;
}

/* ── Header / Nav ── */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: #fff;
  box-shadow: 0 1px 0 var(--border);
  transition: box-shadow 0.3s;
}
.site-header.is-scrolled { box-shadow: var(--shadow); }

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--header-h);
  gap: 1.5rem;
}

.logo img { height: 48px; width: auto; }

.nav { display: flex; align-items: center; gap: 0.25rem; }

.nav__list {
  display: flex;
  list-style: none;
  gap: 0.15rem;
}

.nav__link {
  display: block;
  padding: 0.55rem 0.9rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text);
  border-radius: 8px;
  letter-spacing: 0.01em;
}
.nav__link:hover,
.nav__link.is-active {
  color: var(--primary);
  background: var(--bg-soft);
}

.nav__cta {
  margin-left: 0.5rem;
  padding: 0.6rem 1.25rem !important;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff !important;
  border-radius: 999px;
  font-weight: 700;
}
.nav__cta:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff !important;
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(11,110,143,0.35);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  color: var(--primary);
}
.nav-toggle svg { width: 26px; height: 26px; }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-family: var(--font);
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn--primary {
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff;
  box-shadow: 0 4px 18px rgba(11,110,143,0.3);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(11,110,143,0.4);
  color: #fff;
}
.btn--outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.7);
}
.btn--outline:hover {
  background: rgba(255,255,255,0.12);
  color: #fff;
}
.btn--outline-dark {
  color: var(--primary);
  border-color: var(--primary);
}
.btn--outline-dark:hover {
  background: rgba(11,110,143,0.08);
  color: var(--primary-dark);
}
.btn--white {
  background: #fff;
  color: var(--primary);
}
.btn--white:hover { background: var(--bg-soft); color: var(--primary-dark); }

/* ── Görsel alanları (img/slots/ — GORSEL_REHBERI.md) ── */
.media-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-soft);
  border: 1px solid var(--border);
}
.media-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.media-frame--contain {
  display: flex;
  align-items: center;
  justify-content: center;
  background: #fff;
  padding: 2rem;
}
.media-frame--contain img {
  width: auto;
  height: auto;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}
.media-frame--wide { aspect-ratio: 21 / 9; min-height: 200px; }
.media-frame--landscape { aspect-ratio: 16 / 10; }
.media-frame--card { aspect-ratio: 16 / 10; border-radius: var(--radius); }
.media-frame--square { aspect-ratio: 1; }
.media-frame--about { aspect-ratio: 4 / 3; }

.page-hero--image {
  position: relative;
  background: linear-gradient(135deg, var(--bg-dark), var(--primary));
  color: #fff;
  overflow: hidden;
}
.page-hero--image::before {
  content: "";
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.35;
}
.page-hero--image .container { position: relative; z-index: 1; }
.page-hero--hakkimizda::before { background-image: url('../img/slots/page-hakkimizda.jpg'); }
.page-hero--isg::before { background-image: url('../img/slots/page-isg.jpg'); }
.page-hero--iss::before { background-image: url('../img/slots/page-iss.jpg'); }
.page-hero--diger::before { background-image: url('../img/slots/page-diger.jpg'); }
.page-hero--iletisim::before { background-image: url('../img/slots/page-iletisim.jpg'); }
.page-hero--referanslar::before {
  background-image: url('../img/slots/page-referanslar.jpg');
  background-position: center 82%;
}

.content-with-image {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: start;
  margin-bottom: 2rem;
}
.page-content .about-split {
  gap: 2.5rem;
  align-items: start;
}
.content-with-image--reverse .media-frame { order: -1; }

/* ── Hero (ChatGPT mockup: sol metin + tam arka plan + alt istatistik barı) ── */
.hero {
  position: relative;
  min-height: min(85vh, 680px);
  display: flex;
  flex-direction: column;
  justify-content: center;
  overflow: hidden;
  background: #f0f7fa;
}

.hero__photo {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: 65% center;
}

.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    90deg,
    rgba(255,255,255,0.97) 0%,
    rgba(255,255,255,0.92) 28%,
    rgba(255,255,255,0.55) 48%,
    rgba(255,255,255,0.15) 62%,
    transparent 78%
  );
}

.hero__wrap {
  position: relative;
  z-index: 2;
  flex: 1;
  display: flex;
  align-items: center;
  padding-bottom: 1rem;
}

.hero__content {
  max-width: 560px;
  padding: clamp(3rem, 8vh, 5rem) 0 clamp(2rem, 5vh, 3rem);
}

.hero__badge {
  display: inline-block;
  padding: 0.4rem 1rem;
  background: rgba(255,255,255,0.7);
  border: 1px solid rgba(11,110,143,0.35);
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3.25rem);
  font-weight: 800;
  line-height: 1.12;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
  color: var(--primary-dark);
}

.hero__lead {
  font-size: 1.08rem;
  line-height: 1.65;
  color: var(--text-muted);
  margin-bottom: 2rem;
  max-width: 500px;
}
.hero__lead strong { color: var(--primary); font-weight: 700; }

.hero__actions { display: flex; flex-wrap: wrap; gap: 1rem; }

.hero__stats-bar {
  position: relative;
  z-index: 3;
  background: rgba(255,255,255,0.88);
  backdrop-filter: blur(14px);
  border-top: 1px solid rgba(11,110,143,0.12);
  box-shadow: 0 -4px 24px rgba(6,58,77,0.06);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.stat-card {
  padding: 1.15rem 1rem;
  text-align: center;
  border-right: 1px solid var(--border);
  background: transparent;
}
.stat-card:last-child { border-right: none; }
.stat-card strong {
  display: block;
  font-size: 1.65rem;
  font-weight: 800;
  line-height: 1;
  color: var(--primary);
}
.stat-card span {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
  display: block;
  font-weight: 500;
}

/* ── Sections ── */
.section { padding: 5rem 0; }
.section--soft { background: var(--bg-soft); }
.section--dark {
  background: linear-gradient(160deg, var(--bg-dark), var(--primary-dark));
  color: #fff;
}

.section__head {
  text-align: center;
  max-width: 620px;
  margin: 0 auto 3rem;
}
.section__label {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}
.section__title {
  font-size: clamp(1.75rem, 3.5vw, 2.35rem);
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
  margin-bottom: 0.75rem;
}
.section--dark .section__title { color: #fff; }
.section__desc { color: var(--text-muted); font-size: 1.05rem; }
.section--dark .section__desc { color: rgba(255,255,255,0.75); }

/* ── Service cards ── */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.25s, box-shadow 0.25s, border-color 0.25s;
  display: flex;
  flex-direction: column;
}
.service-card__body {
  padding: 1.5rem 1.75rem 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  flex: 1;
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--primary-light);
}

.service-card__icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--bg-soft), #fff);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
  flex-shrink: 0;
}
.service-card--icon .service-card__body {
  padding: 1.75rem;
}
.service-card--icon .service-card__icon {
  margin-bottom: 0.25rem;
}
.service-card--icon h3 {
  margin-top: 0.5rem;
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-dark);
}
.service-card p { color: var(--text-muted); font-size: 0.95rem; flex: 1; }
.service-card__link {
  font-weight: 700;
  font-size: 0.88rem;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

/* ── Features / Why us ── */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1.5rem;
}

.feature {
  padding: 1.75rem;
  border-radius: var(--radius);
  background: #fff;
  border: 1px solid var(--border);
}
.feature__num {
  font-size: 2rem;
  font-weight: 800;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
  margin-bottom: 0.75rem;
}
.feature h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 0.5rem; }
.feature p { font-size: 0.92rem; color: var(--text-muted); }

/* ── About split ── */
.about-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-visual {
  position: relative;
}
.about-logo-wrap {
  position: relative;
  width: 100%;
}
.about-logo-wrap .media-frame--contain.about-logo-card {
  width: 100%;
  min-height: unset;
  box-shadow: var(--shadow-lg);
  padding: 0.75rem 0.5rem;
}
.about-logo-wrap .about-logo-card__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: none;
  max-height: none;
  object-fit: contain;
}
.about-logo-wrap__badge {
  margin: 0.85rem 0 0;
  background: rgba(6,58,77,0.88);
  color: #fff;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 600;
  text-align: center;
  backdrop-filter: blur(8px);
}
.about-visual .media-frame {
  box-shadow: var(--shadow-lg);
}
.about-visual .media-frame--landscape,
.about-visual .media-frame--about {
  min-height: 280px;
}
.about-visual__badge {
  position: absolute;
  bottom: 1.25rem;
  left: 1.25rem;
  right: 1.25rem;
  background: rgba(6,58,77,0.88);
  color: #fff;
  padding: 0.85rem 1rem;
  border-radius: var(--radius);
  font-size: 0.88rem;
  font-weight: 600;
  backdrop-filter: blur(8px);
}

.about-text h2 {
  font-size: clamp(1.75rem, 3vw, 2.2rem);
  font-weight: 800;
  color: var(--primary-dark);
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}
.about-text p { color: var(--text-muted); margin-bottom: 1rem; }
.about-text ul {
  list-style: none;
  margin: 1.5rem 0;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.about-text li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.95rem;
}
.about-text li::before {
  content: "✓";
  color: var(--accent);
  font-weight: 800;
  flex-shrink: 0;
}

/* ── FAQ / Info cards ── */
.info-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}
.info-card {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.info-card h5 {
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 0.5rem;
  color: var(--primary-light);
}
.info-card p { font-size: 0.9rem; opacity: 0.85; }

/* ── CTA band ── */
.cta-band {
  text-align: center;
  padding: 4rem 2rem;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  width: 300px; height: 300px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
  top: -100px; right: -50px;
}
.cta-band h2 {
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 800;
  margin-bottom: 0.75rem;
  position: relative;
}
.cta-band p { opacity: 0.9; margin-bottom: 1.75rem; position: relative; }
.cta-band .btn { position: relative; }

/* ── Page header (inner) ── */
.page-hero {
  background: linear-gradient(135deg, var(--bg-dark), var(--primary));
  color: #fff;
  padding: 3.5rem 0 3rem;
}
.page-hero h1 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 0.5rem;
}
.breadcrumb {
  font-size: 0.88rem;
  opacity: 0.8;
}
.breadcrumb a { color: var(--primary-light); }
.breadcrumb a:hover { color: #fff; }

/* ── Inner content ── */
.page-content { padding: 4rem 0 5rem; }
.page-content h2 {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--primary-dark);
  margin: 2rem 0 1rem;
}
.page-content h2:first-child { margin-top: 0; }
.page-content p { color: var(--text-muted); margin-bottom: 1rem; }
.page-content ul { margin: 1rem 0 1.5rem 1.25rem; color: var(--text-muted); }
.page-content li { margin-bottom: 0.5rem; }

.service-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 1rem;
  list-style: none;
  margin: 1.5rem 0 !important;
  padding: 0 !important;
}
.service-list li {
  margin: 0 !important;
}
.service-list a {
  display: block;
  padding: 1.1rem 1.25rem;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-weight: 600;
  color: var(--primary-dark);
  transition: all 0.2s;
}
.service-list a:hover {
  background: #fff;
  border-color: var(--primary-light);
  box-shadow: var(--shadow);
  color: var(--primary);
  transform: translateX(4px);
}

/* ── Contact ── */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  align-items: start;
}
.contact-card {
  background: var(--bg-soft);
  border-radius: var(--radius-lg);
  padding: 2rem;
  border: 1px solid var(--border);
}
.contact-item {
  display: flex;
  gap: 1rem;
  margin-bottom: 1.5rem;
}
.contact-item__icon {
  width: 44px; height: 44px;
  border-radius: 10px;
  background: #fff;
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.1rem;
  flex-shrink: 0;
}
.contact-item strong { display: block; font-size: 0.82rem; color: var(--text-muted); margin-bottom: 0.2rem; }
.contact-item a, .contact-item span { font-weight: 600; color: var(--text); }

.contact-form {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
}
.form-group { margin-bottom: 1.25rem; }
.form-group label {
  display: block;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 0.4rem;
  color: var(--text);
}
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-family: var(--font);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(56,189,248,0.2);
}
.form-group textarea { min-height: 130px; resize: vertical; }

/* ── References ── */
.ref-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 1.25rem;
}
.ref-card {
  aspect-ratio: 3/2;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
  padding: 1rem;
  transition: box-shadow 0.2s, border-color 0.2s;
}
.ref-card:hover {
  box-shadow: var(--shadow);
  border-color: var(--primary-light);
  color: var(--primary);
}

/* ── Footer ── */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.75);
  padding: 4rem 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2.5rem;
  padding-bottom: 3rem;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand img {
  height: 44px;
  margin-bottom: 1rem;
  background: #fff;
  padding: 0.5rem 0.75rem;
  border-radius: 8px;
}
.footer-brand p { font-size: 0.9rem; line-height: 1.6; }
.footer h4 {
  color: #fff;
  font-size: 0.9rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}
.footer ul { list-style: none; }
.footer li { margin-bottom: 0.6rem; }
.footer a { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.footer a:hover { color: var(--primary-light); }
.footer-bottom {
  padding: 1.25rem 0;
  text-align: center;
  font-size: 0.82rem;
  opacity: 0.6;
}

/* ── WhatsApp ── */
.whatsapp-btn {
  position: fixed;
  bottom: 24px;
  left: 24px;
  z-index: 9999;
  width: 58px; height: 58px;
  border-radius: 50%;
  background: #25d366;
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.45);
  transition: transform 0.2s, box-shadow 0.2s;
}
.whatsapp-btn:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px rgba(37,211,102,0.55);
  color: #fff;
}
.whatsapp-btn svg { width: 30px; height: 30px; fill: currentColor; }

/* ── Responsive ── */
@media (max-width: 1024px) {
  .hero__overlay {
    background: linear-gradient(
      180deg,
      rgba(255,255,255,0.96) 0%,
      rgba(255,255,255,0.9) 55%,
      rgba(255,255,255,0.5) 100%
    );
  }
  .hero__photo { background-position: center 30%; }
  .hero__stats { grid-template-columns: repeat(2, 1fr); }
  .stat-card:nth-child(2) { border-right: none; }
  .stat-card:nth-child(1),
  .stat-card:nth-child(2) { border-bottom: 1px solid var(--border); }
  .about-split { grid-template-columns: 1fr; gap: 2rem; }
  .content-with-image { grid-template-columns: 1fr; }
  .content-with-image--reverse .media-frame { order: 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --header-h: 64px; --topbar-h: auto; }
  .topbar { padding: 0.5rem 0; height: auto; }
  .topbar__inner { flex-direction: column; align-items: flex-start; gap: 0.4rem; }
  .topbar__social { margin-left: 0; }

  .nav-toggle { display: block; }
  .nav {
    position: fixed;
    top: calc(var(--topbar-h) + var(--header-h));
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    padding: 1rem;
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.3s, opacity 0.3s;
  }
  .nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .nav__list { flex-direction: column; width: 100%; }
  .nav__link { padding: 0.85rem 1rem; }
  .nav__cta { margin: 0.5rem 0 0; text-align: center; }

  .hero { min-height: auto; padding-bottom: 2rem; }
  .hero__content { padding: 3rem 0; }
  .section { padding: 3.5rem 0; }
  .footer-grid { grid-template-columns: 1fr; }
}