/**
 * BerceSoft Randevu — ürün tanıtım landing
 */
:root {
  --rdl-brand: #1850b1;
  --rdl-deep: #0a369b;
  --rdl-navy: #041433;
  --rdl-ink: #0f172a;
  --rdl-muted: #64748b;
  --rdl-line: #dbe4f0;
  --rdl-bg: #eef3f9;
  --rdl-surface: #fff;
  --rdl-display: "Poppins", "Segoe UI", sans-serif;
  --rdl-body: "Poppins", "Segoe UI", sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body.rd-landing {
  margin: 0;
  font-family: var(--rdl-body);
  background: var(--rdl-bg);
  color: var(--rdl-ink);
  -webkit-font-smoothing: antialiased;
  line-height: 1.5;
}

.rdl-header {
  position: fixed; inset: 0 0 auto; z-index: 100;
  transition: background .25s, box-shadow .25s, backdrop-filter .25s;
}
.rdl-header.is-solid {
  background: rgba(4, 20, 51, .92);
  backdrop-filter: blur(14px);
  box-shadow: 0 8px 32px rgba(4, 20, 51, .25);
}
.rdl-header-inner {
  max-width: 1120px; margin: 0 auto; padding: .85rem 1.25rem;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
}
.rdl-logo {
  display: inline-flex; align-items: center; gap: .65rem;
  text-decoration: none; color: #fff;
  font-weight: 750; font-size: 1.02rem; letter-spacing: -.02em;
}
.rdl-logo span {
  width: 36px; height: 36px; border-radius: 11px;
  background: linear-gradient(135deg, #1850b1, #3b82f6);
  display: grid; place-items: center; font-size: .9rem;
  box-shadow: 0 6px 18px rgba(24, 80, 177, .45);
}
.rdl-nav { display: flex; align-items: center; gap: .35rem 1.15rem; }
.rdl-nav a {
  color: rgba(255,255,255,.78); text-decoration: none;
  font-size: .86rem; font-weight: 600;
}
.rdl-nav a:hover { color: #fff; }
.rdl-nav-cta {
  display: inline-flex; align-items: center; gap: .4rem;
  min-height: 40px; padding: 0 1rem; border-radius: 11px;
  background: #fff; color: var(--rdl-brand) !important; font-weight: 750 !important;
}
.rdl-burger {
  display: none; width: 42px; height: 42px;
  border: 1px solid rgba(255,255,255,.25); border-radius: 11px;
  background: rgba(255,255,255,.08); color: #fff; cursor: pointer;
  align-items: center; justify-content: center;
}

.rdl-hero {
  position: relative; min-height: 100vh; min-height: 100dvh;
  display: flex; align-items: flex-end; color: #fff; overflow: hidden;
}
.rdl-hero-media {
  position: absolute; inset: 0;
  background: url("https://images.unsplash.com/photo-1560066984-138dadb4c035?auto=format&fit=crop&w=1920&q=80") center/cover no-repeat;
  transform: scale(1.04);
  animation: rdlKen 18s ease-in-out infinite alternate;
}
@keyframes rdlKen {
  from { transform: scale(1.04); }
  to { transform: scale(1.1) translateY(-1%); }
}
.rdl-hero-media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(110deg, rgba(4,20,51,.9) 0%, rgba(4,20,51,.5) 45%, rgba(10,54,155,.3) 100%),
    linear-gradient(180deg, rgba(4,20,51,.3) 0%, transparent 40%, rgba(4,20,51,.78) 100%);
}
.rdl-hero-inner {
  position: relative; z-index: 1; width: 100%;
  max-width: 1120px; margin: 0 auto; padding: 7.5rem 1.25rem 4.5rem;
}
.rdl-brand-mark {
  font-family: var(--rdl-display);
  font-size: clamp(1.85rem, 4.4vw, 2.85rem);
  font-weight: 700; letter-spacing: -.03em;
  margin: 0 0 .85rem; line-height: 1.05;
}
.rdl-brand-mark em { font-style: italic; color: #93c5fd; }
.rdl-hero h1 {
  margin: 0 0 1rem; max-width: 18ch;
  font-family: var(--rdl-display);
  font-size: clamp(1.45rem, 3.4vw, 2.15rem);
  font-weight: 600; letter-spacing: -.02em; line-height: 1.2;
}
.rdl-hero-lead {
  margin: 0 0 1.75rem; max-width: 34rem;
  font-size: clamp(.95rem, 1.6vw, 1.08rem);
  opacity: .9; line-height: 1.6; font-weight: 500;
}
.rdl-cta-row { display: flex; flex-wrap: wrap; gap: .7rem; }
.rdl-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .45rem;
  min-height: 48px; padding: .75rem 1.35rem; border-radius: 13px;
  font-family: inherit; font-weight: 700; font-size: .9rem;
  text-decoration: none; border: 0; cursor: pointer;
  transition: transform .18s, background .18s;
}
.rdl-btn:hover { transform: translateY(-2px); text-decoration: none; }
.rdl-btn-light { background: #fff; color: var(--rdl-brand); box-shadow: 0 12px 36px rgba(0,0,0,.22); }
.rdl-btn-ghost {
  background: rgba(255,255,255,.1); color: #fff;
  border: 1px solid rgba(255,255,255,.32); backdrop-filter: blur(8px);
}
.rdl-btn-brand { background: var(--rdl-brand); color: #fff; }
.rdl-btn-brand:hover { background: var(--rdl-deep); color: #fff; }

.rdl-wrap { max-width: 1120px; margin: 0 auto; padding: 0 1.25rem; }
.rdl-section { padding: 4.75rem 0; }
.rdl-label {
  font-size: .72rem; font-weight: 800; letter-spacing: .12em;
  text-transform: uppercase; color: var(--rdl-brand); margin: 0 0 .55rem;
}
.rdl-section h2 {
  margin: 0 0 .65rem; font-family: var(--rdl-display);
  font-size: clamp(1.55rem, 3vw, 2.2rem); font-weight: 700;
  letter-spacing: -.02em; line-height: 1.15;
}
.rdl-sub {
  margin: 0 0 2.4rem; color: var(--rdl-muted);
  font-size: .98rem; max-width: 34rem; line-height: 1.55;
}
.rdl-center { text-align: center; }
.rdl-center .rdl-sub { margin-left: auto; margin-right: auto; }

.rdl-aud {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1.25rem;
}
.rdl-aud article {
  min-height: 220px; padding: 1.75rem; color: #fff;
  display: flex; flex-direction: column; justify-content: flex-end;
  position: relative; overflow: hidden;
}
.rdl-aud article::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 20%, rgba(4,20,51,.85));
}
.rdl-aud article > * { position: relative; z-index: 1; }
.rdl-aud .a1 { background: url("https://images.unsplash.com/photo-1522337360788-8b13dee7a37e?auto=format&fit=crop&w=900&q=80") center/cover; }
.rdl-aud .a2 { background: url("https://images.unsplash.com/photo-1570172619644-dfd03ed5d881?auto=format&fit=crop&w=900&q=80") center/cover; }
.rdl-aud h3 { margin: 0 0 .35rem; font-family: var(--rdl-display); font-size: 1.45rem; }
.rdl-aud p { margin: 0; opacity: .85; font-size: .9rem; }

.rdl-feat-grid {
  display: grid; gap: 1.1rem; grid-template-columns: repeat(3, minmax(0, 1fr));
}
.rdl-feat {
  padding: 1.35rem 0 0; border-top: 2px solid var(--rdl-line);
  opacity: 0; transform: translateY(18px);
  transition: opacity .55s ease, transform .55s ease;
}
.rdl-feat.is-in { opacity: 1; transform: none; }
.rdl-feat i { color: var(--rdl-brand); font-size: 1.1rem; margin-bottom: .75rem; display: block; }
.rdl-feat h3 {
  margin: 0 0 .4rem; font-size: 1.05rem; font-weight: 750; letter-spacing: -.01em;
}
.rdl-feat p { margin: 0; color: var(--rdl-muted); font-size: .9rem; line-height: 1.55; }

.rdl-plans {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem; text-align: left;
}
.rdl-plan {
  background: var(--rdl-surface); border: 1px solid var(--rdl-line);
  border-radius: 20px; padding: 1.7rem 1.55rem;
  display: flex; flex-direction: column; gap: 1rem; position: relative;
}
.rdl-plan.is-featured {
  border-color: rgba(24,80,177,.4);
  box-shadow: 0 18px 50px rgba(24,80,177,.12);
}
.rdl-plan-badge {
  position: absolute; top: 1.15rem; right: 1.15rem;
  background: var(--rdl-brand); color: #fff;
  font-size: .65rem; font-weight: 800; letter-spacing: .06em;
  text-transform: uppercase; padding: .3rem .7rem; border-radius: 99px;
}
.rdl-plan .tier {
  font-size: .7rem; font-weight: 800; letter-spacing: .08em;
  text-transform: uppercase; color: var(--rdl-muted);
}
.rdl-plan h3 { margin: 0; font-family: var(--rdl-display); font-size: 1.5rem; font-weight: 700; }
.rdl-price { display: flex; align-items: baseline; gap: .5rem; flex-wrap: wrap; }
.rdl-price strong {
  font-family: var(--rdl-display); font-size: 2.15rem; font-weight: 700; letter-spacing: -.03em;
}
.rdl-price s { color: #94a3b8; font-weight: 650; }
.rdl-price em { font-style: normal; color: var(--rdl-muted); font-size: .82rem; font-weight: 600; }
.rdl-plan ul { margin: 0; padding: 0; list-style: none; display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.rdl-plan li {
  display: flex; gap: .55rem; align-items: flex-start;
  font-size: .88rem; color: #334155; line-height: 1.45;
}
.rdl-plan li i { color: #059669; margin-top: .2rem; font-size: .72rem; }

.rdl-faq { max-width: 720px; margin: 0 auto; text-align: left; }
.rdl-faq details {
  background: var(--rdl-surface); border: 1px solid var(--rdl-line);
  border-radius: 14px; padding: 1rem 1.15rem; margin-bottom: .65rem;
}
.rdl-faq summary {
  cursor: pointer; font-weight: 750; font-size: .92rem;
  list-style: none; display: flex; justify-content: space-between; gap: 1rem;
}
.rdl-faq summary::-webkit-details-marker { display: none; }
.rdl-faq summary::after { content: "+"; color: var(--rdl-brand); font-weight: 800; }
.rdl-faq details[open] summary::after { content: "−"; }
.rdl-faq p { margin: .65rem 0 0; color: var(--rdl-muted); font-size: .88rem; line-height: 1.55; }

.rdl-band {
  background: linear-gradient(135deg, var(--rdl-navy), var(--rdl-deep) 55%, #1a62c4);
  color: #fff; padding: 3.5rem 0; text-align: center;
}
.rdl-band h2 {
  margin: 0 0 .75rem; font-family: var(--rdl-display);
  font-size: clamp(1.4rem, 3vw, 1.95rem); font-weight: 700;
}
.rdl-band p { margin: 0 auto 1.5rem; max-width: 32rem; opacity: .85; }

.rdl-footer {
  background: var(--rdl-navy); color: rgba(255,255,255,.68);
  padding: 3rem 0 1.75rem; font-size: .84rem;
}
.rdl-foot-grid {
  display: grid; grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 2rem; margin-bottom: 2rem;
}
.rdl-foot-brand {
  display: flex; align-items: center; gap: .6rem; color: #fff;
  font-weight: 750; font-size: 1rem; margin-bottom: .75rem;
}
.rdl-foot-brand span {
  width: 34px; height: 34px; border-radius: 10px;
  background: rgba(255,255,255,.1); display: grid; place-items: center;
}
.rdl-footer h4 {
  margin: 0 0 .85rem; color: #fff; font-size: .78rem;
  font-weight: 800; letter-spacing: .08em; text-transform: uppercase;
}
.rdl-footer a {
  display: block; color: rgba(255,255,255,.65); text-decoration: none;
  margin-bottom: .45rem; font-weight: 550;
}
.rdl-footer a:hover { color: #fff; }
.rdl-foot-bottom {
  border-top: 1px solid rgba(255,255,255,.1); padding-top: 1.15rem;
  display: flex; justify-content: space-between; gap: 1rem; flex-wrap: wrap; font-size: .78rem;
}

@media (max-width: 960px) {
  .rdl-feat-grid { grid-template-columns: 1fr 1fr; }
  .rdl-foot-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 720px) {
  .rdl-nav { display: none; }
  .rdl-nav.is-open {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; left: 1rem; right: 1rem; top: calc(100% + .35rem);
    background: rgba(4,20,51,.96); border: 1px solid rgba(255,255,255,.12);
    border-radius: 16px; padding: 1rem; gap: .75rem;
  }
  .rdl-burger { display: inline-flex; }
  .rdl-feat-grid, .rdl-plans, .rdl-aud { grid-template-columns: 1fr; }
  .rdl-foot-grid { grid-template-columns: 1fr; gap: 1.35rem; }
}