/* ==========================================================================
   BLACK OAK STEAKHOUSE — Stylesheet
   Premium Dark Design · Playfair Display + Inter
   ========================================================================== */

/* ---------- Design Tokens ---------- */
:root{
  /* Farbpalette */
  --black:#0b0b0a;
  --anthracite:#1a1817;
  --anthracite-soft:#242120;
  --brown:#2a1f17;
  --cognac:#a8703f;
  --cognac-deep:#7c4f2a;
  --gold:#c6a15b;
  --gold-soft:#e0c98a;
  --cream:#f5f0e6;
  --cream-dim:rgba(245,240,230,0.72);
  --line: rgba(245,240,230,0.12);
  --line-strong: rgba(198,161,91,0.35);

  /* Typografie */
  --font-display:'Playfair Display', serif;
  --font-body:'Inter', sans-serif;

  /* Layout */
  --container:1240px;
  --gutter:clamp(20px, 5vw, 64px);
  --radius-s:8px;
  --radius-m:16px;
  --radius-l:28px;

  /* Bewegung */
  --ease: cubic-bezier(.22,.61,.36,1);
  --dur-s:.3s;
  --dur-m:.7s;
}

/* ---------- Reset ---------- */
*{ margin:0; padding:0; box-sizing:border-box; }
html{ scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){
  html{ scroll-behavior:auto; }
  *{ animation-duration:.001ms !important; transition-duration:.001ms !important; }
}
body{
  background:var(--black);
  color:var(--cream);
  font-family:var(--font-body);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{ max-width:100%; display:block; }
a{ color:inherit; text-decoration:none; }
button{ font-family:inherit; cursor:pointer; }
ul{ list-style:none; }
h1,h2,h3,h4{ font-family:var(--font-display); font-weight:600; line-height:1.15; color:var(--cream); }

.container{ max-width:var(--container); margin:0 auto; padding-left:var(--gutter); padding-right:var(--gutter); }
section{ position:relative; padding:130px 0; }

::selection{ background:var(--gold); color:var(--black); }

a:focus-visible, button:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible{
  outline:2px solid var(--gold); outline-offset:3px; border-radius:2px;
}

/* ---------- Reusable elements ---------- */
.eyebrow{
  display:inline-flex; align-items:center; gap:.7em;
  font-family:var(--font-body); font-size:.78rem; letter-spacing:.22em; text-transform:uppercase;
  color:var(--gold); font-weight:600; margin-bottom:1.1rem;
}
.eyebrow::before{ content:""; width:28px; height:1px; background:var(--gold); }

.section-head{ max-width:640px; margin-bottom:4rem; }
.section-head.center{ margin-left:auto; margin-right:auto; text-align:center; }
.section-head.center .eyebrow{ justify-content:center; }
.section-head h2{ font-size:clamp(2rem,4vw,2.9rem); }
.section-head p{ margin-top:1.1rem; color:var(--cream-dim); font-size:1.05rem; }

.divider-gold{ width:56px; height:2px; background:var(--gold); margin:1.6rem 0; }
.center .divider-gold{ margin-left:auto; margin-right:auto; }

/* Buttons */
.btn{
  display:inline-flex; align-items:center; gap:.6em; padding:1rem 2.1rem;
  border-radius:var(--radius-s); font-size:.92rem; font-weight:600; letter-spacing:.03em;
  transition:transform var(--dur-s) var(--ease), box-shadow var(--dur-s) var(--ease), background var(--dur-s) var(--ease), color var(--dur-s) var(--ease);
  border:1.5px solid transparent;
}
.btn-gold{ background:linear-gradient(135deg, var(--gold-soft), var(--gold)); color:var(--black); }
.btn-gold:hover{ transform:translateY(-2px); box-shadow:0 14px 30px rgba(198,161,91,0.28); }
.btn-outline{ border-color:rgba(245,240,230,0.4); color:var(--cream); }
.btn-outline:hover{ border-color:var(--gold); color:var(--gold); background:rgba(198,161,91,0.06); }
.btn-block{ width:100%; justify-content:center; }

/* Reveal-on-scroll */
.reveal{ opacity:0; transform:translateY(28px); transition:opacity var(--dur-m) var(--ease), transform var(--dur-m) var(--ease); }
.reveal.in{ opacity:1; transform:translateY(0); }
.reveal-delay-1.in{ transition-delay:.1s; }
.reveal-delay-2.in{ transition-delay:.2s; }
.reveal-delay-3.in{ transition-delay:.3s; }

/* Image placeholder blocks — swap background-image later, class keeps a graceful fallback tone */
.img-placeholder{
  position:relative; background-color:var(--anthracite-soft); background-size:cover; background-position:center;
  display:flex; align-items:flex-end; overflow:hidden;
}
.img-placeholder::before{
  content:""; position:absolute; inset:0;
  background:
    repeating-linear-gradient(45deg, rgba(245,240,230,0.035) 0 2px, transparent 2px 14px);
}
.img-placeholder .ph-tag{
  position:relative; z-index:1; margin:14px; font-size:.7rem; letter-spacing:.08em; text-transform:uppercase;
  color:var(--cream-dim); background:rgba(11,11,10,0.55); padding:6px 12px; border-radius:5px;
  border:1px solid var(--line);
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */
#scroll-progress{ position:fixed; top:0; left:0; height:2px; width:0%; background:var(--gold); z-index:2000; }

header{
  position:fixed; top:0; left:0; right:0; z-index:1000;
  padding:26px 0; transition:padding var(--dur-s) var(--ease), background var(--dur-s) var(--ease), box-shadow var(--dur-s) var(--ease);
}
header.scrolled{
  padding:16px 0; background:rgba(11,11,10,0.86); backdrop-filter:blur(14px) saturate(140%);
  -webkit-backdrop-filter:blur(14px) saturate(140%); box-shadow:0 10px 30px rgba(0,0,0,0.35);
  border-bottom:1px solid var(--line);
}
nav{ display:flex; align-items:center; justify-content:space-between; }
.logo{ font-family:var(--font-display); font-size:1.4rem; letter-spacing:.04em; display:flex; align-items:center; gap:.6rem; }
.logo .mark{ width:34px; height:34px; border:1.5px solid var(--gold); border-radius:50%; display:flex; align-items:center; justify-content:center; color:var(--gold); font-size:1rem; }

.nav-links{ display:flex; align-items:center; gap:2.2rem; }
.nav-links a:not(.btn){ font-size:.88rem; font-weight:500; position:relative; padding:4px 0; letter-spacing:.02em; }
.nav-links a:not(.btn)::after{ content:""; position:absolute; left:0; bottom:0; width:0; height:1px; background:var(--gold); transition:width var(--dur-s) var(--ease); }
.nav-links a:not(.btn):hover::after{ width:100%; }
.nav-links .btn{ padding:.75rem 1.5rem; font-size:.82rem; }

.nav-toggle{ display:none; flex-direction:column; gap:5px; width:28px; background:none; border:none; }
.nav-toggle span{ height:1.5px; background:var(--cream); width:100%; transition:transform var(--dur-s) var(--ease), opacity var(--dur-s) var(--ease); }

@media(max-width:960px){
  .nav-links{
    position:fixed; top:0; right:0; height:100vh; width:min(320px,84vw); background:var(--anthracite);
    flex-direction:column; justify-content:center; align-items:flex-start; padding:2rem 2.4rem; gap:1.7rem;
    transform:translateX(100%); transition:transform .5s var(--ease); box-shadow:-16px 0 50px rgba(0,0,0,0.4);
    border-left:1px solid var(--line);
  }
  .nav-links.open{ transform:translateX(0); }
  .nav-links a{ font-size:1.05rem; }
  .nav-toggle{ display:flex; z-index:1100; }
  .nav-toggle.open span:nth-child(1){ transform:translateY(6.5px) rotate(45deg); }
  .nav-toggle.open span:nth-child(2){ opacity:0; }
  .nav-toggle.open span:nth-child(3){ transform:translateY(-6.5px) rotate(-45deg); }
}

/* ==========================================================================
   Hero
   ========================================================================== */
#hero{
  min-height:100vh; display:flex; align-items:center; padding-top:8rem;
  background:
    linear-gradient(180deg, rgba(11,11,10,0.35) 0%, rgba(11,11,10,0.55) 60%, rgba(11,11,10,0.95) 100%),
    radial-gradient(circle at 75% 30%, rgba(168,112,63,0.25), transparent 55%),
    var(--anthracite-soft);
  background-size:cover; background-position:center;
  position:relative;
}
.hero-bg-slot{ position:absolute; inset:0; z-index:-1; background-color:var(--anthracite-soft); background-size:cover; background-position:center; }
.hero-eyebrow{
  color:var(--gold); letter-spacing:.32em; font-size:.78rem; text-transform:uppercase; font-weight:600;
  display:inline-block; padding-bottom:14px; border-bottom:1px solid var(--line-strong);
}
h1.hero-title{ font-size:clamp(3rem, 7vw, 6rem); margin-top:1.6rem; letter-spacing:.01em; }
h1.hero-title span{ display:block; }
.hero-sub{ margin-top:1.8rem; max-width:44ch; font-size:1.2rem; color:var(--cream-dim); font-weight:300; }
.hero-actions{ display:flex; gap:1.2rem; margin-top:2.6rem; flex-wrap:wrap; }
.hero-scroll{
  position:absolute; bottom:2.4rem; left:50%; transform:translateX(-50%);
  display:flex; flex-direction:column; align-items:center; gap:.6rem; color:var(--cream-dim); font-size:.72rem;
  letter-spacing:.14em; text-transform:uppercase;
}
.hero-scroll .line{ width:1px; height:38px; background:linear-gradient(var(--gold), transparent); }

/* ==========================================================================
   Philosophie
   ========================================================================== */
#philosophie{ background:var(--black); }
.philosophy-intro{ max-width:760px; margin:0 auto 4.5rem; text-align:center; }
.philosophy-intro p{ font-size:1.15rem; color:var(--cream-dim); margin-top:1.2rem; }

.philosophy-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.8rem; }
.philosophy-card{
  background:var(--anthracite); border:1px solid var(--line); border-radius:var(--radius-m); padding:2.6rem 2.2rem;
  transition:transform var(--dur-s) var(--ease), border-color var(--dur-s) var(--ease), box-shadow var(--dur-s) var(--ease);
}
.philosophy-card:hover{ transform:translateY(-8px); border-color:var(--line-strong); box-shadow:0 24px 50px rgba(0,0,0,0.35); }
.philosophy-icon{
  width:56px; height:56px; border-radius:50%; border:1.5px solid var(--gold); color:var(--gold);
  display:flex; align-items:center; justify-content:center; margin-bottom:1.6rem;
}
.philosophy-icon svg{ width:26px; height:26px; }
.philosophy-card h3{ font-size:1.3rem; margin-bottom:.7rem; }
.philosophy-card p{ color:var(--cream-dim); font-size:.95rem; }

@media(max-width:900px){ .philosophy-grid{ grid-template-columns:1fr; } }

/* ==========================================================================
   Signature Steaks
   ========================================================================== */
#steaks{ background:var(--anthracite); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.steak-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.6rem; }
.steak-card{
  background:var(--black); border:1px solid var(--line); border-radius:var(--radius-m); overflow:hidden;
  display:flex; flex-direction:column; transition:transform var(--dur-s) var(--ease), box-shadow var(--dur-s) var(--ease), border-color var(--dur-s) var(--ease);
}
.steak-card:hover{ transform:translateY(-8px); box-shadow:0 26px 54px rgba(0,0,0,0.4); border-color:var(--line-strong); }
.steak-media{ aspect-ratio:4/3; }
.steak-body{ padding:1.7rem 1.5rem 1.9rem; display:flex; flex-direction:column; gap:.5rem; flex:1; }
.steak-weight{ font-size:.72rem; letter-spacing:.08em; text-transform:uppercase; color:var(--gold); font-weight:600; }
.steak-body h3{ font-size:1.25rem; }
.steak-body p{ font-size:.88rem; color:var(--cream-dim); flex:1; }
.steak-footer{ display:flex; align-items:center; justify-content:space-between; margin-top:1rem; gap:.8rem; }
.steak-price{ font-family:var(--font-display); font-size:1.25rem; color:var(--gold-soft); font-weight:600; }
.steak-footer .btn{ padding:.6rem 1.1rem; font-size:.78rem; }

@media(max-width:1100px){ .steak-grid{ grid-template-columns:repeat(2,1fr); } }
@media(max-width:600px){ .steak-grid{ grid-template-columns:1fr; } }

/* ==========================================================================
   Wein & Getränke
   ========================================================================== */
#getraenke{ background:var(--black); }
.drinks-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:1.6rem; }
.drink-card{
  background:var(--anthracite); border:1px solid var(--line); border-radius:var(--radius-m); padding:2.2rem 1.8rem;
  text-align:center; transition:transform var(--dur-s) var(--ease), border-color var(--dur-s) var(--ease);
}
.drink-card:hover{ transform:translateY(-6px); border-color:var(--line-strong); }
.drink-icon{ width:52px; height:52px; margin:0 auto 1.2rem; color:var(--gold); }
.drink-icon svg{ width:100%; height:100%; }
.drink-card h3{ font-size:1.15rem; }
.drink-card p{ font-size:.85rem; color:var(--cream-dim); margin-top:.6rem; }

@media(max-width:900px){ .drinks-grid{ grid-template-columns:repeat(2,1fr); } }

/* ==========================================================================
   Galerie (Masonry)
   ========================================================================== */
#galerie{ background:var(--anthracite); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.masonry{
  columns:3 240px; column-gap:1.4rem;
}
.masonry .img-placeholder{
  break-inside:avoid; margin-bottom:1.4rem; border-radius:var(--radius-m); border:1px solid var(--line);
}
.masonry .h-short{ height:230px; }
.masonry .h-tall{ height:380px; }
.masonry .h-med{ height:300px; }

@media(max-width:900px){ .masonry{ columns:2 200px; } }
@media(max-width:560px){ .masonry{ columns:1; } }

/* ==========================================================================
   Reservierung
   ========================================================================== */
#reservierung{ background:var(--black); }
.reservation-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:4rem; align-items:center; }
.reservation-copy p{ color:var(--cream-dim); margin-top:1.2rem; max-width:44ch; }
.reservation-facts{ margin-top:2rem; display:flex; flex-direction:column; gap:.9rem; }
.reservation-facts .item{ font-size:.92rem; color:var(--cream-dim); }
.reservation-facts .item strong{ color:var(--gold-soft); }

.reservation-form{
  background:var(--anthracite); border:1px solid var(--line); border-radius:var(--radius-l); padding:2.6rem;
}
.form-grid-2{ display:grid; grid-template-columns:1fr 1fr; gap:1.4rem; }
.form-row{ margin-bottom:1.4rem; }
.form-row label{ display:block; font-size:.76rem; letter-spacing:.06em; text-transform:uppercase; color:var(--cream-dim); margin-bottom:.5rem; }
.form-row input, .form-row select{
  width:100%; background:rgba(245,240,230,0.04); border:1px solid var(--line); border-radius:var(--radius-s);
  color:var(--cream); padding:.85rem 1rem; font-family:var(--font-body); font-size:.95rem;
  transition:border-color var(--dur-s) var(--ease), background var(--dur-s) var(--ease);
}
.form-row select option{ background:var(--anthracite); }
.form-row input::placeholder{ color:rgba(245,240,230,0.35); }
.form-row input:focus, .form-row select:focus{ outline:none; border-color:var(--gold); background:rgba(245,240,230,0.07); }
.form-success{ display:none; background:rgba(198,161,91,0.12); border:1px solid var(--line-strong); color:var(--gold-soft); padding:1rem 1.2rem; border-radius:var(--radius-s); font-size:.9rem; margin-top:.8rem; }
.form-success.show{ display:block; }

@media(max-width:900px){ .reservation-grid{ grid-template-columns:1fr; gap:3rem; } .form-grid-2{ grid-template-columns:1fr; } }

/* ==========================================================================
   Bewertungen
   ========================================================================== */
#bewertungen{ background:var(--anthracite); border-top:1px solid var(--line); border-bottom:1px solid var(--line); }
.testi-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1.8rem; }
.testi-card{ background:var(--black); border:1px solid var(--line); border-radius:var(--radius-m); padding:2.2rem; }
.testi-stars{ color:var(--gold); letter-spacing:.15em; font-size:1rem; margin-bottom:1.2rem; }
.testi-card p.quote{ color:var(--cream-dim); font-size:.98rem; font-style:italic; }
.testi-person{ display:flex; align-items:center; gap:.9rem; margin-top:1.6rem; }
.testi-avatar{
  width:42px; height:42px; border-radius:50%; background:var(--anthracite-soft); border:1px solid var(--line-strong);
  display:flex; align-items:center; justify-content:center; font-family:var(--font-display); color:var(--gold);
}
.testi-person strong{ display:block; font-size:.92rem; }
.testi-person span{ font-size:.76rem; color:var(--cream-dim); }

@media(max-width:900px){ .testi-grid{ grid-template-columns:1fr; } }

/* ==========================================================================
   Kontakt
   ========================================================================== */
#kontakt{ background:var(--black); }
.contact-grid{ display:grid; grid-template-columns:.9fr 1.1fr; gap:4rem; }
.contact-line{ display:flex; gap:1rem; align-items:flex-start; margin-top:1.5rem; }
.contact-line .ic{ width:20px; height:20px; color:var(--gold); margin-top:.15rem; flex:none; }
.contact-line strong{ display:block; font-size:.92rem; }
.contact-line span{ font-size:.86rem; color:var(--cream-dim); }
.maps-slot{ border-radius:var(--radius-m); aspect-ratio:4/3; }

@media(max-width:900px){ .contact-grid{ grid-template-columns:1fr; gap:3rem; } }

/* ==========================================================================
   Footer
   ========================================================================== */
footer{ background:#050504; border-top:1px solid var(--line); padding:5rem 0 2rem; }
.footer-grid{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:2.4rem; margin-bottom:3rem; }
.footer-logo{ font-family:var(--font-display); font-size:1.3rem; color:var(--cream); margin-bottom:.9rem; display:flex; align-items:center; gap:.5rem; }
.footer-col p{ color:var(--cream-dim); font-size:.86rem; }
.footer-col h6{ color:var(--gold); font-size:.76rem; text-transform:uppercase; letter-spacing:.1em; margin-bottom:1rem; }
.footer-col ul li{ margin-bottom:.6rem; font-size:.86rem; }
.footer-col ul li a{ color:var(--cream-dim); }
.footer-col ul li a:hover{ color:var(--gold); }

.newsletter-form{ display:flex; gap:.6rem; margin-top:1rem; flex-wrap:wrap; }
.newsletter-form input{
  flex:1; min-width:160px; background:rgba(245,240,230,0.05); border:1px solid var(--line); border-radius:var(--radius-s);
  padding:.75rem 1rem; color:var(--cream); font-size:.86rem;
}
.newsletter-form input::placeholder{ color:rgba(245,240,230,0.35); }
.newsletter-form button{ padding:.75rem 1.2rem; font-size:.8rem; }

.social-row{ display:flex; gap:.7rem; margin-top:1.2rem; }
.social-row a{
  width:38px; height:38px; border-radius:50%; border:1px solid var(--line); display:flex; align-items:center; justify-content:center;
  transition:border-color var(--dur-s) var(--ease), color var(--dur-s) var(--ease);
}
.social-row a:hover{ border-color:var(--gold); color:var(--gold); }
.social-row svg{ width:16px; height:16px; }

.footer-bottom{
  border-top:1px solid var(--line); padding-top:1.6rem; display:flex; justify-content:space-between; flex-wrap:wrap;
  gap:.8rem; font-size:.76rem; color:rgba(245,240,230,0.4);
}

@media(max-width:900px){ .footer-grid{ grid-template-columns:1fr 1fr; } }
@media(max-width:560px){ .footer-grid{ grid-template-columns:1fr; } }

/* ==========================================================================
   Floating back-to-top
   ========================================================================== */
.to-top{
  position:fixed; right:1.8rem; bottom:1.8rem; z-index:1500;
  width:50px; height:50px; border-radius:50%; background:var(--gold); color:var(--black);
  display:flex; align-items:center; justify-content:center; box-shadow:0 12px 26px rgba(0,0,0,0.35);
  opacity:0; visibility:hidden; transform:translateY(10px);
  transition:all var(--dur-s) var(--ease);
}
.to-top.show{ opacity:1; visibility:visible; transform:translateY(0); }
.to-top:hover{ transform:translateY(-3px); }