/* youcefdenideni.com homepage, premium dark theme.
   Warm charcoal, gold, Playfair serif headings + Inter. Matches the case
   studies and the dark 404. Multi-section authority-first landing page. */

:root{
  --bg:#0c0b0a; --panel:#141210; --panel-2:#191612; --ink:#f6f4ef; --muted:#b3ada2;
  --line:#2a2620; --line-2:#37322a; --gold:#edc86b; --gold-2:#f4dfa8; --gold-deep:#c6a24a;
  --serif:"Playfair Display",Georgia,"Times New Roman",serif;
  --sans:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  --wrap:1160px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--sans);
  line-height:1.65;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
h1,h2,h3{font-family:var(--serif);font-weight:600;letter-spacing:-.015em;line-height:1.1;margin:0}
.wrap{max-width:var(--wrap);margin:auto;padding:0 24px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--gold-2);font-size:12px;
  font-weight:700;letter-spacing:.16em;text-transform:uppercase;font-family:var(--sans)}
.eyebrow:before{content:"";width:7px;height:7px;border-radius:50%;background:var(--gold)}

/* Header */
.hdr{border-bottom:1px solid var(--line);position:sticky;top:0;z-index:20;
  background:rgba(12,11,10,.82);backdrop-filter:blur(10px)}
.hdr .bar{max-width:var(--wrap);margin:auto;padding:16px 24px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:flex;align-items:baseline;gap:10px}
.brand .name{font-family:var(--serif);font-weight:700;font-size:20px}
.brand .sub{font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);font-weight:600}
.nav{display:flex;gap:22px;align-items:center;font-size:14.5px;font-weight:600}
.nav a{color:var(--muted);transition:.15s}
.nav a:hover{color:var(--gold-2)}
.nav .cta{color:#1a1408;background:var(--gold);padding:9px 15px;border-radius:9px}
.nav .cta:hover{background:var(--gold-2)}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:8px;padding:13px 22px;border-radius:12px;font-weight:700;font-size:15px;transition:.18s;font-family:var(--sans)}
.btn.primary{background:var(--gold);color:#1a1408}
.btn.primary:hover{background:var(--gold-2);transform:translateY(-1px)}
.btn.ghost{border:1px solid var(--line-2);color:var(--ink)}
.btn.ghost:hover{border-color:var(--gold);color:var(--gold-2)}
.textlink{color:var(--gold-2);font-weight:600;font-size:14.5px}
.textlink:hover{text-decoration:underline}

/* Section rhythm */
section{padding:84px 0}
.sec-head{max-width:640px;margin:0 0 40px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-head h2{font-size:clamp(30px,4.4vw,42px);margin:14px 0 0}
.sec-head p{color:var(--muted);font-size:17px;margin:14px 0 0}

/* Hero */
.hero{padding:56px 0 64px;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;top:-260px;right:-160px;width:760px;height:760px;border-radius:50%;
  background:radial-gradient(circle,rgba(237,200,107,.13),rgba(237,200,107,0) 66%);pointer-events:none}
.hero .grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start;position:relative}
.hero h1{font-size:clamp(36px,5vw,56px);margin:24px 0 0;letter-spacing:-.02em}
.hero .lead{color:var(--muted);font-size:18px;margin:22px 0 0;max-width:52ch}
.hero .lead strong{color:var(--ink);font-weight:600}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:32px}
.hero .portrait{position:relative}
.hero .portrait img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:50% 20%;
  max-height:600px;border-radius:20px;border:1px solid var(--line-2);box-shadow:0 30px 70px rgba(0,0,0,.5)}
.hero .portrait:after{content:"";position:absolute;inset:0;border-radius:20px;pointer-events:none;
  box-shadow:inset 0 -60px 80px -40px rgba(12,11,10,.65)}

/* Stat bar */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--panel);padding:0}
.stats .row{max-width:var(--wrap);margin:auto;display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:30px 24px;text-align:center;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat b{display:block;font-family:var(--serif);font-weight:700;color:var(--gold);font-size:clamp(26px,3.4vw,34px);line-height:1}
.stat span{display:block;margin-top:8px;color:var(--muted);font-size:13px;letter-spacing:.02em}

/* About */
.about .grid{display:grid;grid-template-columns:1fr .8fr;gap:56px;align-items:center}
.about .copy p{color:#d7d1c6;font-size:16.5px;margin:0 0 16px}
.about .copy p strong{color:var(--ink);font-weight:600}
.about .photo img{width:100%;aspect-ratio:4/5;object-fit:cover;object-position:50% 22%;max-height:540px;
  border-radius:18px;border:1px solid var(--line-2);box-shadow:0 24px 60px rgba(0,0,0,.45)}

/* Cards (what I do) */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px 24px;transition:.18s}
.card:hover{border-color:var(--line-2);transform:translateY(-3px)}
.card .n{font-family:var(--serif);color:var(--gold-deep);font-size:15px;font-weight:700}
.card h3{font-size:20px;margin:12px 0 8px}
.card p{color:var(--muted);font-size:14.5px;margin:0}

/* AI section */
.ai{background:linear-gradient(180deg,#131210,#0e0d0b);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.ai .grid{display:grid;grid-template-columns:1fr;gap:0;max-width:800px;margin:auto;text-align:left}
.ai h2{font-size:clamp(28px,4.2vw,40px);max-width:22ch}
.ai p{color:#d7d1c6;font-size:17px;margin:16px 0 0;max-width:66ch}
.ai .cta-row{margin-top:26px}

/* Results (case studies teaser) */
.results{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.result{background:var(--panel);border:1px solid var(--line);border-radius:14px;padding:24px 20px;transition:.16s;display:block}
.result:hover{border-color:var(--gold);transform:translateY(-3px)}
.result b{display:block;font-family:var(--serif);color:var(--gold);font-size:30px;line-height:1;font-weight:700}
.result span{display:block;margin-top:10px;color:var(--muted);font-size:13.5px;line-height:1.4}

/* Posts (Growth Files teaser) */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post{background:var(--panel);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.18s;display:flex;flex-direction:column}
.post:hover{border-color:var(--line-2);transform:translateY(-3px)}
.post .thumb{aspect-ratio:16/9;overflow:hidden;border-bottom:1px solid var(--line)}
.post .thumb img{width:100%;height:100%;object-fit:cover}
.post .body{padding:18px 20px 22px}
.post .kier{color:var(--gold-2);font-size:11.5px;text-transform:uppercase;letter-spacing:.1em;font-weight:700}
.post h3{font-size:18px;margin:9px 0 0;line-height:1.25}

/* In the room */
.room .band{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.room .band img{width:100%;height:100%;object-fit:cover;border-radius:16px;border:1px solid var(--line-2);aspect-ratio:3/2}

/* Contact */
.contact{text-align:center}
.contact .box{max-width:660px;margin:auto;background:var(--panel);border:1px solid var(--line-2);border-radius:20px;padding:44px 32px}
.contact h2{font-size:clamp(28px,4vw,40px)}
.contact p{color:var(--muted);font-size:17px;margin:16px auto 0;max-width:46ch}
.contact .cta-row{display:flex;justify-content:center;gap:12px;margin-top:26px;flex-wrap:wrap}

/* Footer */
.ftr{border-top:1px solid var(--line);color:#8a8477;font-size:13px}
.ftr .bar{max-width:var(--wrap);margin:auto;padding:28px 24px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.ftr a{color:var(--gold-2)}

/* Section utility */
.center-cta{text-align:center;margin-top:36px}

/* Testimonials (page + homepage teaser) */
.t-hero .grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;position:relative}
.t-hero h1{font-size:clamp(36px,5vw,56px);margin:24px 0 0;letter-spacing:-.02em}
.t-hero .lead{color:var(--muted);font-size:18px;margin:22px 0 0;max-width:46ch}
.video-card{background:var(--panel);border:1px solid var(--line-2);border-radius:20px;overflow:hidden;
  box-shadow:0 30px 70px rgba(0,0,0,.5)}
.video-card video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:#000}
.video-card .cap{padding:22px 24px 24px}
.video-card blockquote{margin:0;font-family:var(--serif);font-size:20px;line-height:1.4;color:var(--ink)}
.video-card details{margin-top:16px;color:var(--muted);font-size:14.5px}
.video-card summary{cursor:pointer;color:var(--gold-2);font-weight:600}
.video-card details p{margin:12px 0 0}
.who{margin-top:16px;font-size:14px;line-height:1.45}
.who b{display:block;color:var(--ink);font-weight:700}
.who span{color:var(--muted)}

.quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:start}
.quotes.two{grid-template-columns:1fr 1fr}
.quote{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:26px 24px;display:flex;flex-direction:column}
.quote blockquote{margin:0;color:#d7d1c6;font-size:15.5px;line-height:1.65}
.quote blockquote:before{content:"\201C";display:block;font-family:var(--serif);color:var(--gold);font-size:44px;line-height:.8;height:24px}
.quote.lg{padding:32px 30px}
.quote.lg blockquote{font-size:17px;color:var(--ink)}
/* emphasis inside quotes: <mark> = the line that sells it, <strong> = supporting phrase */
.quote blockquote,.video-card blockquote,.vteaser blockquote{color:#c9c2b5}
.quote.lg blockquote{color:#d7d1c6}
blockquote strong{color:var(--ink);font-weight:600}
blockquote mark{background:linear-gradient(transparent 62%,rgba(237,200,107,.28) 62%);color:var(--gold-2);
  font-weight:600;padding:0 1px;-webkit-box-decoration-break:clone;box-decoration-break:clone}
.quote .lang{margin-top:12px;color:var(--muted);font-size:13.5px;font-style:italic}
a.quote{transition:.18s}
a.quote:hover{border-color:var(--line-2);transform:translateY(-3px)}

.results.five{grid-template-columns:repeat(auto-fit,minmax(200px,1fr))}
.results .result p{margin:10px 0 0;color:var(--muted);font-size:13.5px;line-height:1.45}
.results .result .who{margin-top:12px;font-size:13px}
.results .result .who b{font-family:var(--sans);font-size:13px;color:var(--ink);line-height:1.45}
.results .result .who span{margin-top:0;font-size:13px}
div.result:hover{border-color:var(--line-2);transform:none}

.masonry{columns:3 280px;column-gap:20px}
.masonry .quote{break-inside:avoid;margin:0 0 20px}
.masonry .quote blockquote{font-size:15px}

.shouts{display:flex;flex-wrap:wrap;gap:12px;margin-top:20px}
.shout{background:var(--panel-2);border:1px solid var(--line);border-radius:999px;padding:10px 18px;font-size:14px;color:#d7d1c6}
.shout b{color:var(--ink);font-weight:600}

.tone .quote,.tone .result{background:var(--bg)}
.sec-sub{margin-top:56px}
.sec-sub h3{font-size:24px}
.sec-sub p{color:var(--muted);margin:8px 0 0}

/* Homepage video teaser */
.vteaser{display:grid;grid-template-columns:1.1fr .9fr;background:var(--panel);border:1px solid var(--line-2);border-radius:20px;
  overflow:hidden;margin-bottom:20px;transition:.18s}
.vteaser:hover{border-color:var(--gold)}
.vteaser .poster{position:relative;aspect-ratio:16/9}
.vteaser .poster img{width:100%;height:100%;object-fit:cover}
.vteaser .poster:after{content:"";position:absolute;left:50%;top:50%;width:68px;height:68px;margin:-34px 0 0 -34px;border-radius:50%;
  background:var(--gold) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M8 5v14l11-7z' fill='%231a1408'/%3E%3C/svg%3E") 55% 50%/28px no-repeat;
  box-shadow:0 10px 30px rgba(0,0,0,.5)}
.vteaser .txt{padding:32px 30px;display:flex;flex-direction:column;justify-content:center}
.vteaser blockquote{margin:0;font-family:var(--serif);font-size:clamp(20px,2.4vw,26px);line-height:1.35}
.vteaser .textlink{margin-top:18px}

@media(max-width:900px){
  .hero .grid{grid-template-columns:1fr;gap:36px}
  .hero .portrait{max-width:420px}
  .about .grid{grid-template-columns:1fr;gap:32px}
  .cards{grid-template-columns:1fr 1fr}
  .results{grid-template-columns:1fr 1fr}
  .posts{grid-template-columns:1fr}
  .stats .row{grid-template-columns:1fr 1fr}
  .stat:nth-child(3){border-left:0}
  .t-hero .grid{grid-template-columns:1fr;gap:36px}
  .t-hero .intro{order:-1}
  .quotes,.quotes.two{grid-template-columns:1fr}
  .vteaser{grid-template-columns:1fr}
}
@media(max-width:560px){
  section{padding:60px 0}
  .cards{grid-template-columns:1fr}
  .results{grid-template-columns:1fr}
  .room .band{grid-template-columns:1fr}
  .brand .name{font-size:18px}
  .hdr .bar{padding:14px 16px;gap:12px}
}
/* Header: burger menu under 720px */
.menu-btn{display:none;width:40px;height:40px;margin-right:-8px;border:0;background:none;color:var(--ink);cursor:pointer;align-items:center;justify-content:center;flex:none}
.menu-btn span,.menu-btn span:before,.menu-btn span:after{display:block;width:22px;height:2px;border-radius:2px;background:currentColor;transition:.2s}
.menu-btn span{position:relative}
.menu-btn span:before,.menu-btn span:after{content:"";position:absolute;left:0}
.menu-btn span:before{top:-7px}
.menu-btn span:after{top:7px}
.open .menu-btn span{background:transparent}
.open .menu-btn span:before{top:0;transform:rotate(45deg)}
.open .menu-btn span:after{top:0;transform:rotate(-45deg)}
@media(max-width:900px){ .brand .sub{display:none} .brand .name,.nav a{white-space:nowrap} }
@media(max-width:720px){
  header .bar{position:relative}
  .menu-btn{display:flex}
  .bar .nav{display:none;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:stretch;gap:0;
    padding:4px 16px 18px;background:var(--bg);border-bottom:1px solid var(--line);box-shadow:0 18px 30px rgba(0,0,0,.18);font-size:16px}
  .bar.open .nav{display:flex}
  .bar .nav a,.bar .nav .hide-sm{display:block;padding:13px 2px;border-bottom:1px solid var(--line)}
  .bar .nav a:not(.cta){color:var(--ink)}
  .bar .nav .cta{margin-top:14px;padding:13px;text-align:center;border-bottom:0}
}