:root {
  --bg: #0f1117;
  --bg2: #161b27;
  --bg3: #1c2333;
  --green: #4ade80;
  --green2: #22c55e;
  --green3: #16a34a;
  --cyan: #22d3ee;
  --text: #e2e8f0;
  --muted: #8b9ab0;
  --border: rgba(255,255,255,0.07);
  --glow: 0 0 40px rgba(74,222,128,0.15);
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; overflow-y: scroll; }
body {
  background: var(--bg);
  color: var(--text);
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  overflow-x: hidden;
  line-height: 1.7;
}

/* ─── NAV ─── */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; gap: 24px;
  height: 68px; padding: 0 48px;
  background: rgba(15,17,23,0.8);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  transition: all 0.3s;
  line-height: normal;
}
.nav-logo {
  display: flex; align-items: center; gap: 0;
  font-size: 1.2rem; font-weight: 700; letter-spacing: -0.5px;
  color: var(--text); text-decoration: none;
}
.nav-logo img { height: 36px; width: 36px; border-radius: 8px; object-fit: contain; flex-shrink: 0; margin-right: 10px; }
.nav-logo span { color: var(--green); }
.nav-links {
  display: flex; gap: 32px;
  position: absolute; left: 50%; transform: translateX(-50%);
}
.lang-switcher { margin-left: auto; }
.nav-links a {
  color: var(--muted); text-decoration: none; font-size: 0.9rem;
  transition: color 0.2s; position: relative;
  white-space: nowrap;
}
.nav-links a::after {
  content: ''; position: absolute; bottom: -4px; left: 0; width: 0; height: 1px;
  background: var(--green); transition: width 0.3s;
}
.nav-links a:hover { color: var(--text); }
.nav-links a:hover::after { width: 100%; }
.nav-burger {
  display: none;
  flex-direction: column; justify-content: center; gap: 5px;
  width: 36px; height: 36px; padding: 4px;
  background: none; border: none; cursor: pointer;
  border-radius: 8px; transition: background 0.2s;
}
.nav-burger:hover { background: rgba(255,255,255,0.06); }
.nav-burger span {
  display: block; height: 2px; border-radius: 2px;
  background: var(--text); transition: transform 0.3s, opacity 0.3s, width 0.3s;
}
.nav-burger span:nth-child(2) { width: 75%; }
.nav-burger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-burger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-burger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
.mobile-menu {
  display: none;
  position: fixed; top: 65px; left: 0; right: 0; z-index: 99;
  background: rgba(10,12,17,0.97);
  -webkit-backdrop-filter: blur(20px);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 20px 24px 28px;
  flex-direction: column; gap: 4px;
  transform: translateY(-10px); opacity: 0;
  transition: transform 0.3s, opacity 0.3s;
  pointer-events: none;
}
.mobile-menu.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
.mobile-menu a {
  color: var(--muted); text-decoration: none; font-size: 1rem;
  padding: 12px 8px; border-radius: 8px;
  transition: color 0.2s, background 0.2s; display: block;
}
.mobile-menu a:hover { color: var(--text); background: rgba(255,255,255,0.04); }
.mobile-menu .mobile-cta {
  margin-top: 12px; padding: 14px; text-align: center;
  background: rgba(74,222,128,0.1); border: 1px solid rgba(74,222,128,0.25);
  border-radius: 10px; color: var(--green); font-weight: 700;
}
.mobile-menu .mobile-cta:hover { background: rgba(74,222,128,0.18); }
.nav-cta {
  padding: 8px 20px; border-radius: 8px;
  border: 1px solid var(--green3);
  color: var(--green); font-size: 0.85rem; font-weight: 600;
  text-decoration: none; transition: all 0.2s;
  background: rgba(74,222,128,0.05);
  white-space: nowrap; flex-shrink: 0;
}
.nav-cta:hover { background: rgba(74,222,128,0.15); box-shadow: 0 0 20px rgba(74,222,128,0.2); }
.lang-switcher { position: relative; }
.lang-current {
  display: flex; align-items: center; gap: 7px;
  padding: 6px 12px; border-radius: 8px;
  border: 1px solid var(--border);
  background: rgba(255,255,255,0.03);
  color: var(--text); font-size: 0.82rem; font-weight: 600;
  cursor: pointer; transition: all 0.2s; -webkit-user-select: none; user-select: none;
}
.lang-current:hover { border-color: rgba(74,222,128,0.3); background: rgba(74,222,128,0.05); }
.lang-current svg.lang-flag { width: 18px; height: 14px; border-radius: 2px; flex-shrink: 0; }
.lang-chevron { width: 10px; height: 10px; margin-left: 2px; opacity: 0.5; transition: transform 0.2s; }
.lang-switcher.open .lang-chevron { transform: rotate(180deg); }
.lang-dropdown {
  position: absolute; top: calc(100% + 8px); right: 0;
  background: #1a1f2e; border: 1px solid var(--border);
  border-radius: 10px; overflow: hidden;
  min-width: 120px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
  opacity: 0; visibility: hidden; transform: translateY(-6px);
  transition: all 0.18s ease; z-index: 200;
}
.lang-switcher.open .lang-dropdown { opacity: 1; visibility: visible; transform: translateY(0); }
.lang-option {
  display: flex; align-items: center; gap: 9px;
  padding: 10px 14px; cursor: pointer;
  color: var(--muted); font-size: 0.82rem; font-weight: 600;
  transition: background 0.15s, color 0.15s;
}
.lang-option:hover { background: rgba(74,222,128,0.07); color: var(--text); }
.lang-option.active { color: var(--green); }
.lang-option svg.lang-flag { width: 18px; height: 14px; border-radius: 2px; flex-shrink: 0; }

/* ─── HERO ─── */
.case-hero {
  padding: 140px 48px 80px;
  max-width: 900px; margin: 0 auto;
}
.case-breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.78rem; color: var(--muted); margin-bottom: 24px;
}
.case-breadcrumb a { color: var(--muted); text-decoration: none; }
.case-breadcrumb a:hover { color: var(--green); }
.case-breadcrumb span { color: var(--border); }
.case-label {
  display: inline-block; font-size: 0.7rem; font-weight: 700;
  letter-spacing: 3px; text-transform: uppercase; color: var(--green);
  margin-bottom: 16px;
}
.case-title {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 800; letter-spacing: -1.5px; line-height: 1.15;
  margin-bottom: 20px;
}
.case-title .g { color: var(--green); }
.case-tagline {
  font-size: 1.1rem; color: var(--muted); max-width: 620px; line-height: 1.7;
}
.case-meta {
  display: flex; gap: 32px; flex-wrap: wrap;
  margin-top: 40px; padding-top: 40px;
  border-top: 1px solid var(--border);
}
.case-meta-item { display: flex; flex-direction: column; gap: 4px; }
.case-meta-label { font-size: 0.68rem; text-transform: uppercase; letter-spacing: 2px; color: var(--muted); }
.case-meta-value { font-size: 0.95rem; font-weight: 600; color: var(--text); }
.meta-link { color: var(--green); text-decoration: none; }
.meta-link:hover { text-decoration: underline; }

/* ─── COVER ─── */
.case-cover {
  max-width: 900px; margin: 0 auto 80px;
  padding: 0 48px;
}
.case-cover-img {
  width: 100%; border-radius: 20px;
  border: 1px solid var(--border);
  background: var(--bg2);
  aspect-ratio: 16/9;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 0.9rem;
  overflow: hidden;
}
.case-cover-img img { width: 100%; height: 100%; object-fit: cover; }
.case-cover-img img.img-top { object-position: top; }
.case-cover-img img.img-bottom { object-position: bottom; }
.case-cover-img img.img-contain { object-fit: contain; }
.cover-placeholder {
  display: flex; flex-direction: column; align-items: center; gap: 12px;
  opacity: 0.4;
}
.cover-placeholder svg { opacity: 0.5; }

/* ─── PHONE MOCKUP ─── */
.phone-mockup {
  display: flex;
  justify-content: center;
  padding: 32px 0 8px;
}
.phone-frame {
  position: relative;
  width: 256px;
  background: #0d1117;
  border-radius: 46px;
  border: 1.5px solid rgba(255,255,255,0.13);
  padding: 14px 10px 14px;
  box-shadow:
    0 0 0 5px #181e2c,
    0 0 0 7px rgba(255,255,255,0.06),
    0 48px 96px rgba(0,0,0,0.5);
}
/* Power button */
.phone-frame::before {
  content: '';
  position: absolute;
  right: -5px; top: 100px;
  width: 4px; height: 64px;
  background: #181e2c;
  border-radius: 0 3px 3px 0;
  border: 1px solid rgba(255,255,255,0.08);
  border-left: none;
}
/* Volume buttons */
.phone-frame::after {
  content: '';
  position: absolute;
  left: -5px; top: 82px;
  width: 4px; height: 38px;
  background: #181e2c;
  border-radius: 3px 0 0 3px;
  border: 1px solid rgba(255,255,255,0.08);
  border-right: none;
  box-shadow: 0 52px 0 #181e2c;
}
.phone-screen {
  border-radius: 34px;
  overflow: hidden;
}
.phone-screen img { width: 100%; display: block; }
.phone-home-bar {
  width: 80px; height: 4px;
  background: rgba(255,255,255,0.2);
  border-radius: 2px;
  margin: 14px auto 0;
}

/* ─── CONTENT ─── */
.case-body {
  max-width: 720px; margin: 0 auto;
  padding: 0 48px 80px;
}
.case-section { margin-bottom: 64px; }
.case-section-label {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 3px;
  text-transform: uppercase; color: var(--green); margin-bottom: 12px;
}
.case-section h2 {
  font-size: 1.6rem; font-weight: 800; letter-spacing: -0.5px;
  margin-bottom: 20px; line-height: 1.3;
}
.case-section p {
  color: var(--muted); font-size: 1rem; line-height: 1.8;
  margin-bottom: 16px;
}
.case-section p strong { color: var(--text); font-weight: 600; }
.case-section p:last-child { margin-bottom: 0; }

/* Quote */
.case-quote {
  border-left: 3px solid var(--green);
  padding: 20px 28px;
  background: rgba(74,222,128,0.04);
  border-radius: 0 12px 12px 0;
  margin: 32px 0;
}
.case-quote p {
  font-size: 1.1rem; font-style: italic;
  color: var(--text) !important; line-height: 1.7;
  margin-bottom: 12px !important;
}
.case-quote cite { font-size: 0.82rem; color: var(--muted); font-style: normal; }
.case-quote-author { display: flex; align-items: center; gap: 14px; margin-top: 16px; }

/* Client card */
.case-client {
  display: flex; align-items: center; gap: 20px;
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 16px; padding: 24px 28px;
  margin: 32px 0;
}
.case-client-photo {
  width: 72px; height: 72px; border-radius: 50%;
  background: var(--bg3); border: 2px solid var(--border);
  flex-shrink: 0; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  color: var(--muted); font-size: 1.6rem;
}
.case-client-photo img { width: 100%; height: 100%; object-fit: cover; }
.case-client-photo img.photo-face { object-position: 50% 15%; }
.case-client-name { font-weight: 700; font-size: 1rem; margin-bottom: 2px; }
.case-client-role { font-size: 0.82rem; color: var(--muted); }

/* Results */
.case-results {
  display: grid; grid-template-columns: repeat(3, 1fr);
  gap: 16px; margin: 32px 0;
}
.case-result {
  background: var(--bg2); border: 1px solid var(--border);
  border-radius: 14px; padding: 24px 20px; text-align: center;
}
.case-result-val {
  font-size: 1.8rem; font-weight: 800; color: var(--green);
  line-height: 1; margin-bottom: 8px;
}
.case-result-label { font-size: 0.8rem; color: var(--muted); line-height: 1.4; }

/* Tags */
.case-tags { display: flex; flex-wrap: wrap; gap: 8px; margin: 24px 0; }
.case-tag {
  padding: 5px 12px; border-radius: 100px; font-size: 0.75rem; font-weight: 600;
  background: rgba(74,222,128,0.08); color: var(--green);
  border: 1px solid rgba(74,222,128,0.15);
}

.case-divider { border: none; border-top: 1px solid var(--border); margin: 48px 0; }

/* ─── CTA ─── */
.case-cta {
  background: var(--bg2); border-top: 1px solid var(--border);
  padding: 80px 48px; text-align: center;
}
.case-cta-inner { max-width: 560px; margin: 0 auto; }
.case-cta h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 800; letter-spacing: -0.5px; margin-bottom: 16px;
}
.case-cta h2 .g { color: var(--green); }
.case-cta p { color: var(--muted); margin-bottom: 32px; }
.btn-primary {
  padding: 16px 32px; border-radius: 12px;
  background: linear-gradient(135deg, var(--green3), var(--green2));
  color: #0f1117; font-weight: 700; font-size: 0.95rem;
  border: none; cursor: pointer; text-decoration: none;
  display: inline-block; transition: all 0.3s;
  box-shadow: 0 4px 24px rgba(74,222,128,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 40px rgba(74,222,128,0.5); }

/* ─── FOOTER ─── */
footer {
  background: var(--bg); border-top: 1px solid var(--border);
  padding: 32px 48px;
}
.footer-inner {
  max-width: 900px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px;
}
.footer-logo {
  display: flex; align-items: center; gap: 8px;
  font-weight: 700; font-size: 1rem; color: var(--text); text-decoration: none;
}
.footer-logo img { height: 28px; width: 28px; border-radius: 6px; object-fit: contain; }
.footer-logo span { color: var(--green); }
.footer-links { display: flex; gap: 20px; align-items: center; }
.footer-links a { color: var(--muted); text-decoration: none; font-size: 0.8rem; transition: color 0.2s; display: flex; align-items: center; gap: 6px; }
.footer-links a:hover { color: var(--green); }
.footer-links-icon { width: 18px; height: 18px; flex-shrink: 0; }
.footer-tagline { text-align: right; }
.footer-tagline-text { color: var(--muted); font-size: 0.72rem; line-height: 1.5; }
.footer-tagline-text strong { color: var(--green); font-weight: 700; }
.footer-tagline-text em { font-style: normal; color: rgba(255,255,255,0.2); }

/* ─── PLACEHOLDER ─── */
.placeholder-block {
  background: var(--bg2); border: 1px dashed rgba(74,222,128,0.2);
  border-radius: 12px; padding: 40px 28px; text-align: center;
  color: var(--muted); font-size: 0.9rem; line-height: 1.7;
  margin: 24px 0;
}
.placeholder-block strong {
  color: var(--green); font-size: 0.75rem;
  letter-spacing: 2px; text-transform: uppercase;
  display: block; margin-bottom: 8px;
}

/* ─── RESPONSIVE ─── */
@media (max-width: 1150px) {
  nav { padding: 0 24px; }
  .nav-links { display: none; }
  .nav-cta { display: none; }
  .nav-burger { display: flex; }
  .mobile-menu { display: flex; }
}
@media (max-width: 700px) {
  nav { padding: 14px 20px; }
  .case-hero, .case-cover, .case-body { padding-left: 20px; padding-right: 20px; }
  .case-hero { padding-top: 100px; }
  .case-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 24px 16px; }
  .case-results { grid-template-columns: 1fr 1fr; }
  footer { padding: 24px 20px; }
  .case-cta { padding: 60px 20px; }
}