/* ============================================================
   Dr. Levy — Kanamicină | Foaie de stil principală
   Estetică: alb-negru editorial / luxury
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400&family=Jost:wght@300;400;500&display=swap');

:root{
  --ink:#0a0a0a;
  --ink-soft:#1c1c1c;
  --paper:#fbfaf7;
  --paper-2:#f3f1ea;
  --line:#dcd8cf;
  --line-dark:#2a2a2a;
  --muted:#6f6b63;
  --muted-on-dark:#a8a39a;
  --gold:#9b8a5a;            /* accent metalic discret */
  --gold-soft:#c8b78a;
  --maxw:1180px;
  --serif:'Cormorant Garamond', Georgia, serif;
  --sans:'Jost', 'Helvetica Neue', Arial, sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--sans);
  background:var(--paper);
  color:var(--ink);
  line-height:1.65;
  font-weight:300;
  letter-spacing:.01em;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

/* selection */
::selection{background:var(--ink);color:var(--paper)}

/* ---------- Tipografie ---------- */
h1,h2,h3,h4{font-family:var(--serif);font-weight:500;line-height:1.08;letter-spacing:.01em}
h1{font-size:clamp(2.6rem,6vw,5rem)}
h2{font-size:clamp(2rem,4vw,3.2rem)}
h3{font-size:clamp(1.4rem,2.4vw,2rem)}
p{font-size:1.02rem}
.lead{font-size:clamp(1.1rem,1.6vw,1.35rem);color:var(--ink-soft);font-weight:300}
.eyebrow{
  font-family:var(--sans);
  text-transform:uppercase;
  letter-spacing:.34em;
  font-size:.72rem;
  font-weight:400;
  color:var(--gold);
  display:inline-block;
}
.eyebrow.on-dark{color:var(--gold-soft)}

.serif-accent{font-family:var(--serif);font-style:italic}

/* ---------- Layout helpers ---------- */
.container{max-width:var(--maxw);margin:0 auto;padding:0 28px}
.section{padding:clamp(64px,9vw,140px) 0}
.section.tight{padding:clamp(48px,6vw,90px) 0}
.bg-ink{background:var(--ink);color:var(--paper)}
.bg-ink h1,.bg-ink h2,.bg-ink h3{color:#fff}
.bg-paper2{background:var(--paper-2)}
.center{text-align:center}
.divider{width:54px;height:1px;background:var(--gold);margin:26px 0}
.center .divider{margin-left:auto;margin-right:auto}
.hairline{height:1px;background:var(--line);border:0}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-family:var(--sans);text-transform:uppercase;
  letter-spacing:.2em;font-size:.74rem;font-weight:400;
  padding:1.05em 2.2em;border:1px solid var(--ink);
  background:var(--ink);color:var(--paper);
  transition:all .45s var(--ease);cursor:pointer;
  position:relative;overflow:hidden;
}
.btn span{position:relative;z-index:2}
.btn::after{content:'';position:absolute;inset:0;background:var(--paper);
  transform:translateY(101%);transition:transform .45s var(--ease);z-index:1}
.btn:hover{color:var(--ink)}
.btn:hover::after{transform:translateY(0)}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost::after{background:var(--ink)}
.btn.ghost:hover{color:var(--paper)}
.btn.on-dark{border-color:#fff;background:#fff;color:var(--ink)}
.btn.on-dark::after{background:transparent;border:0}
.btn.on-dark.ghost{background:transparent;color:#fff}
.btn.on-dark.ghost::after{background:#fff}
.btn.on-dark.ghost:hover{color:var(--ink)}
/* Săgeată în butoanele CTA */
.btn .arr{display:inline-block;transition:transform .4s var(--ease);font-family:var(--sans);font-weight:300}
.btn:hover .arr{transform:translateX(5px)}

/* ---------- Header / Nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  padding:18px 0;transition:all .5s var(--ease);
  background:transparent;
}
.site-header.scrolled{
  background:rgba(251,250,247,.86);
  backdrop-filter:blur(14px);
  padding:10px 0;
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:18px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand img{height:46px;width:auto;transition:height .4s var(--ease)}
.site-header.scrolled .brand img{height:38px}
/* logo dual: alb peste fundal închis, negru după scroll */
.brand .logo-dark{display:none}
.site-header.scrolled .brand .logo-light{display:none}
.site-header.scrolled .brand .logo-dark{display:block}
.brand-text{font-family:var(--serif);font-size:1.05rem;letter-spacing:.16em;
  text-transform:uppercase;line-height:1}
.brand-text small{display:block;font-family:var(--sans);font-size:.56rem;
  letter-spacing:.3em;color:var(--muted);margin-top:3px;font-weight:400}

.nav-links{display:flex;align-items:center;gap:26px;list-style:none;flex-wrap:nowrap}
.nav-links a{
  font-family:var(--sans);font-size:.92rem;text-transform:uppercase;
  letter-spacing:.12em;font-weight:400;color:var(--ink-soft);
  position:relative;padding:4px 0;white-space:nowrap;
}
.nav-links a::after{content:'';position:absolute;left:0;bottom:0;width:0;height:1px;
  background:var(--gold);transition:width .4s var(--ease)}
.nav-links a:hover::after,.nav-links a.active::after{width:100%}
.nav-links a.active{color:var(--ink)}
.site-header .container{max-width:1320px}
.nav-cta{margin-left:4px;flex-shrink:0}

/* Header over dark hero / page-hero (interior pages au fundal închis sus) */
.site-header:not(.scrolled) .brand-text,
.site-header:not(.scrolled) .brand-text small{color:#fff}
.site-header:not(.scrolled) .nav-links a{color:rgba(255,255,255,.82)}
.site-header:not(.scrolled) .nav-links a.active{color:#fff}
.site-header:not(.scrolled) .burger span{background:#fff}
.site-header:not(.scrolled) .btn.ghost{border-color:#fff;color:#fff}
.site-header:not(.scrolled) .btn.ghost::after{background:#fff}
.site-header:not(.scrolled) .btn.ghost:hover{color:var(--ink)}
/* după scroll revine la negru */
.site-header.scrolled .brand-text,
.site-header.scrolled .brand-text small{color:var(--ink)}
.site-header.scrolled .nav-links a{color:var(--ink-soft)}
.site-header.scrolled .btn.ghost{border-color:var(--ink);color:var(--ink)}
.site-header.scrolled .btn.ghost::after{background:var(--ink)}
.site-header.scrolled .btn.ghost:hover{color:var(--paper)}

/* Hamburger */
.burger{display:none;flex-direction:column;gap:5px;background:none;border:0;cursor:pointer;padding:8px;z-index:1100}
.burger span{width:26px;height:1.5px;background:var(--ink);transition:all .4s var(--ease)}
.site-header.on-hero:not(.scrolled) .burger span{background:#fff}
.menu-open .burger span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.menu-open .burger span:nth-child(2){opacity:0}
.menu-open .burger span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.menu-open .burger span{background:var(--ink)!important}

/* ---------- Hero ---------- */
.hero{
  position:relative;min-height:100vh;display:flex;align-items:center;
  background:var(--ink);color:var(--paper);overflow:hidden;
}
.hero .container{position:relative;z-index:3;padding-top:120px;padding-bottom:80px}
.hero h1{color:#fff;max-width:14ch}
.hero .lead{color:var(--muted-on-dark);max-width:52ch;margin-top:26px}
.hero-actions{margin-top:40px;display:flex;gap:16px;flex-wrap:wrap}
.hero-meta{margin-top:64px;display:flex;gap:48px;flex-wrap:wrap;
  border-top:1px solid var(--line-dark);padding-top:30px}
.hero-meta .num{font-family:var(--serif);font-size:2.4rem;color:#fff;line-height:1}
.hero-meta .lbl{font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;
  color:var(--muted-on-dark);margin-top:8px}
/* subtle texture */
.hero::before{content:'';position:absolute;inset:0;z-index:1;
  background:radial-gradient(120% 90% at 78% 18%,rgba(155,138,90,.16),transparent 55%),
             radial-gradient(80% 70% at 10% 100%,rgba(255,255,255,.05),transparent 60%);}
.hero-mark{position:absolute;right:-6%;bottom:-10%;width:min(58vw,720px);
  opacity:.05;z-index:1;filter:invert(1)}
.grain{position:absolute;inset:0;z-index:2;opacity:.05;pointer-events:none;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='160' height='160'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='2'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");}

/* ---------- Page hero (interior) ---------- */
.page-hero{padding:160px 0 70px;background:var(--ink);color:var(--paper);position:relative;overflow:hidden}
.page-hero::before{content:'';position:absolute;inset:0;
  background:radial-gradient(110% 80% at 82% 10%,rgba(155,138,90,.14),transparent 55%)}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{color:#fff;max-width:18ch}
.page-hero .lead{color:var(--muted-on-dark);max-width:60ch;margin-top:20px}
.crumbs{font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;
  color:var(--gold-soft);margin-bottom:24px}
.crumbs a{color:var(--muted-on-dark)}
.crumbs a:hover{color:#fff}

/* ---------- Grid components ---------- */
.grid{display:grid;gap:32px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.split{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,90px);align-items:center}

/* Card */
.card{background:var(--paper);border:1px solid var(--line);padding:38px 34px;
  transition:transform .5s var(--ease),box-shadow .5s var(--ease);position:relative}
.card:hover{transform:translateY(-6px);box-shadow:0 30px 60px -30px rgba(0,0,0,.25)}
.card .idx{font-family:var(--serif);font-style:italic;font-size:1.4rem;color:var(--gold)}
.card h3{margin:14px 0 12px}
.card p{color:var(--muted);font-size:.96rem}
.bg-ink .card{background:#121212;border-color:#262626}
.bg-ink .card p{color:var(--muted-on-dark)}

/* Feature list with rule */
.feature{padding:30px 0;border-top:1px solid var(--line);display:grid;
  grid-template-columns:auto 1fr;gap:28px;align-items:start}
.feature .n{font-family:var(--serif);font-size:1.6rem;color:var(--gold);min-width:48px}
.feature h3{font-size:1.35rem;margin-bottom:8px}
.feature p{color:var(--muted)}

/* Stat band */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;
  border:1px solid var(--line-dark)}
.stats .stat{padding:42px 26px;text-align:center;border-right:1px solid var(--line-dark)}
.stats .stat:last-child{border-right:0}
.stats .num{font-family:var(--serif);font-size:clamp(2.2rem,4vw,3.4rem);color:#fff;line-height:1}
.stats .lbl{font-size:.7rem;text-transform:uppercase;letter-spacing:.2em;
  color:var(--muted-on-dark);margin-top:12px}

/* Symptom / warning chips */
.chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.chip{border:1px solid var(--line);padding:.7em 1.2em;font-size:.82rem;
  letter-spacing:.04em;color:var(--ink-soft);background:var(--paper);
  transition:all .35s var(--ease)}
.chip:hover{background:var(--ink);color:var(--paper);border-color:var(--ink)}

/* Timeline (procedura) */
.timeline{position:relative;margin-top:20px}
.timeline::before{content:'';position:absolute;left:18px;top:8px;bottom:8px;width:1px;background:var(--line)}
.tl-item{position:relative;padding:0 0 40px 64px}
.tl-item:last-child{padding-bottom:0}
.tl-item .dot{position:absolute;left:9px;top:4px;width:19px;height:19px;border-radius:50%;
  background:var(--paper);border:1px solid var(--gold);display:flex;align-items:center;justify-content:center}
.tl-item .dot::after{content:'';width:7px;height:7px;border-radius:50%;background:var(--gold)}
.tl-item h3{font-size:1.3rem;margin-bottom:6px}
.tl-item p{color:var(--muted)}

/* Quote / pull */
.pull{font-family:var(--serif);font-style:italic;font-size:clamp(1.6rem,3.2vw,2.6rem);
  line-height:1.3;max-width:24ch}
.pull .by{display:block;font-family:var(--sans);font-style:normal;font-size:.78rem;
  letter-spacing:.24em;text-transform:uppercase;color:var(--gold);margin-top:24px}

/* CTA band */
.cta-band{background:var(--ink);color:var(--paper);text-align:center}
.cta-band h2{color:#fff}
.cta-band .lead{color:var(--muted-on-dark);margin:18px auto 34px;max-width:48ch}

/* Video embed responsive 16:9 */
.video-wrap{position:relative;width:100%;padding-top:56.25%;overflow:hidden;
  border:1px solid var(--line);background:#000}
.bg-ink .video-wrap{border-color:#262626}
.video-wrap iframe{position:absolute;inset:0;width:100%;height:100%;border:0}

/* Notice / disclaimer box */
.notice{border-left:2px solid var(--gold);background:var(--paper-2);
  padding:22px 26px;font-size:.92rem;color:var(--muted)}
.notice strong{color:var(--ink);font-weight:500}

/* ---------- Cazuri (case studies) ---------- */
.case{border:1px solid var(--line);background:var(--paper);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .5s var(--ease),box-shadow .5s var(--ease)}
.case:hover{transform:translateY(-6px);box-shadow:0 30px 60px -34px rgba(0,0,0,.3)}
.case .case-top{background:var(--ink);color:#fff;padding:30px 30px 26px;position:relative;overflow:hidden}
.case .case-top .tag{font-size:.66rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold-soft)}
.case .case-top h3{color:#fff;margin-top:10px;font-size:1.5rem}
.case .case-body{padding:28px 30px 32px}
.case .case-body p{color:var(--muted);font-size:.95rem}
.case .meta{display:flex;gap:24px;margin-top:20px;padding-top:18px;border-top:1px solid var(--line)}
.case .meta div span{display:block}
.case .meta .k{font-size:.64rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted)}
.case .meta .v{font-family:var(--serif);font-size:1.2rem;color:var(--ink);margin-top:2px}

/* ---------- Blog ---------- */
.post{border-top:1px solid var(--line);padding:38px 0;display:grid;
  grid-template-columns:160px 1fr;gap:40px;align-items:start;transition:opacity .4s}
.post:hover h3{color:var(--gold)}
.post .date{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.post .cat{font-size:.66rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-top:8px}
.post h3{font-size:1.7rem;margin-bottom:10px;transition:color .35s var(--ease)}
.post p{color:var(--muted);max-width:62ch}
.post .more{display:inline-block;margin-top:14px;font-size:.74rem;letter-spacing:.2em;
  text-transform:uppercase;border-bottom:1px solid var(--gold);padding-bottom:3px;color:var(--ink)}

/* Article body */
.article{max-width:740px;margin:0 auto}
.article p{font-size:1.08rem;line-height:1.85;margin-bottom:1.4em;color:var(--ink-soft)}
.article h2{margin:1.4em 0 .5em}
.article h3{margin:1.2em 0 .4em}
.article ul{margin:0 0 1.4em 1.1em;color:var(--ink-soft)}
.article li{margin-bottom:.5em;line-height:1.7}
.article .first-letter::first-letter{font-family:var(--serif);font-size:3.6rem;
  float:left;line-height:.8;margin:.05em .12em 0 0;color:var(--gold)}

/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,6vw,80px)}
.loc{border:1px solid var(--line);padding:36px 34px;background:var(--paper);
  transition:all .45s var(--ease)}
.loc:hover{border-color:var(--ink)}
.loc .city{font-family:var(--serif);font-size:1.8rem}
.loc .addr{color:var(--muted);margin-top:10px;line-height:1.7}
.loc .row{margin-top:16px;font-size:.92rem}
.loc .row b{font-weight:500;text-transform:uppercase;letter-spacing:.12em;font-size:.7rem;color:var(--gold)}

.field{margin-bottom:22px}
.field label{display:block;font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);margin-bottom:8px}
.field input,.field textarea,.field select{
  width:100%;padding:14px 16px;border:1px solid var(--line);background:var(--paper);
  font-family:var(--sans);font-size:.95rem;color:var(--ink);transition:border-color .3s}
.field input:focus,.field textarea:focus,.field select:focus{outline:0;border-color:var(--ink)}
.field textarea{min-height:130px;resize:vertical}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink);color:var(--muted-on-dark);padding:80px 0 36px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:46px;border-bottom:1px solid var(--line-dark)}
.site-footer img.flogo{height:52px;filter:invert(1);margin-bottom:20px}
.site-footer h4{font-family:var(--sans);font-size:.74rem;letter-spacing:.2em;
  text-transform:uppercase;color:#fff;margin-bottom:18px;font-weight:400}
.site-footer a{color:var(--muted-on-dark);font-size:.92rem;display:block;padding:5px 0;transition:color .3s}
.site-footer a:hover{color:#fff}
.site-footer p.fdesc{font-size:.92rem;line-height:1.7;max-width:38ch}
.footer-bottom{display:flex;justify-content:space-between;align-items:center;
  flex-wrap:wrap;gap:16px;padding-top:28px;font-size:.78rem;letter-spacing:.04em}
.footer-bottom .socials{display:flex;gap:22px}
.footer-bottom .socials a{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase}

/* ---------- Floating contact ---------- */
.float-call{position:fixed;right:22px;bottom:22px;z-index:900;display:flex;flex-direction:column;gap:12px}
.float-call a{width:54px;height:54px;border-radius:50%;background:var(--ink);color:#fff;
  display:flex;align-items:center;justify-content:center;box-shadow:0 12px 30px -8px rgba(0,0,0,.5);
  transition:transform .4s var(--ease),background .4s}
.float-call a:hover{transform:scale(1.08)}
.float-call a.wa{background:#1f7a4d}
.float-call svg{width:24px;height:24px;fill:#fff}

/* ---------- Reveal animations ---------- */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal-d1{transition-delay:.1s}.reveal-d2{transition-delay:.2s}
.reveal-d3{transition-delay:.3s}.reveal-d4{transition-delay:.4s}

/* hero load anim */
.hero .anim{opacity:0;transform:translateY(34px);animation:rise 1s var(--ease) forwards}
.hero .anim.a2{animation-delay:.15s}
.hero .anim.a3{animation-delay:.3s}
.hero .anim.a4{animation-delay:.45s}
.hero .anim.a5{animation-delay:.6s}
@keyframes rise{to{opacity:1;transform:none}}

/* ---------- Responsive ---------- */
@media(max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr}
  .stats{grid-template-columns:repeat(2,1fr)}
  .stats .stat:nth-child(2){border-right:0}
  .stats .stat:nth-child(1),.stats .stat:nth-child(2){border-bottom:1px solid var(--line-dark)}
}
@media(max-width:760px){
  .nav-links{
    position:fixed;inset:0 0 0 auto;width:min(82vw,360px);
    background:#ffffff;flex-direction:column;align-items:flex-start;
    justify-content:center;gap:26px;padding:60px 40px;
    transform:translateX(100%);transition:transform .5s var(--ease);
    box-shadow:-20px 0 60px -20px rgba(0,0,0,.3);z-index:1050;
    backdrop-filter:none;-webkit-backdrop-filter:none;opacity:1;
  }
  .menu-open .nav-links{transform:none}
  .nav-links a{font-size:1.05rem;color:var(--ink)!important;opacity:1}
  .nav-cta{margin-left:0}
  .burger{display:flex}
  .split,.grid-2,.contact-grid{grid-template-columns:1fr;gap:36px}
  /* Footer mobil: logo central, restul 2 coloane */
  .footer-top{grid-template-columns:1fr 1fr;gap:30px 28px;text-align:left}
  .footer-top > div:first-child{grid-column:1 / -1;text-align:center}
  .footer-top > div:first-child .flogo{margin-left:auto;margin-right:auto}
  .footer-top > div:first-child .fdesc{margin-left:auto;margin-right:auto;text-align:center}
  .footer-bottom{flex-direction:column;text-align:center;gap:14px}
  .footer-bottom .socials{justify-content:center;flex-wrap:wrap}
  .post{grid-template-columns:1fr;gap:10px}
  .hero-meta{gap:30px}
  .pull{max-width:none}
}
@media(max-width:520px){
  .grid-3,.grid-4{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stats .stat{border-right:0;border-bottom:1px solid var(--line-dark)}
  .stats .stat:last-child{border-bottom:0}
  .hero-actions .btn{width:100%;justify-content:center}
}

/* scrim behind mobile menu */
.scrim{position:fixed;inset:0;background:rgba(10,10,10,.45);opacity:0;visibility:hidden;
  transition:all .4s;z-index:1040}
.menu-open .scrim{opacity:1;visibility:visible}