/* ===== Estudio Sosa Lapitz — modern recreation ===== */
:root{
  --ink:#0A1626;
  --navy:#0C1E36;
  --navy-2:#102844;
  --navy-3:#16345A;
  --gold:#E3A446;
  --gold-2:#F4C36B;
  --copper:#9C7A4E;
  --copper-2:#B5915F;
  --cream:#F4EFE7;
  --paper:#FBF9F4;
  --line:rgba(244,239,231,.14);
  --tl:rgba(244,239,231,.72);  /* text light muted */
  --td:#2A3342;                /* text dark */
  --tdm:#5A6675;               /* text dark muted */
  --ease:cubic-bezier(.22,.61,.36,1);
  --maxw:1240px;
  --pad:clamp(20px,5vw,72px);
  font-synthesis:none;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"IBM Plex Sans",system-ui,sans-serif;
  background:var(--paper);
  color:var(--td);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,.display{font-family:"Sora","IBM Plex Sans",sans-serif;line-height:1.05;letter-spacing:-.02em;font-weight:700}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
.gold{color:var(--gold)}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--pad)}

/* ---------- NAV ---------- */
.nav{
  position:fixed;inset:0 0 auto 0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px var(--pad);
  transition:background .4s var(--ease),padding .4s var(--ease),box-shadow .4s var(--ease);
}
.nav.scrolled{
  background:rgba(10,22,38,.86);
  backdrop-filter:blur(14px);
  padding:12px var(--pad);
  box-shadow:0 1px 0 var(--line);
}
.brand{display:flex;align-items:center;gap:12px;color:#fff}
.brand .mark{width:48px;height:48px;flex:none;display:grid;place-items:center}
.brand .mark img{width:100%;height:100%;object-fit:contain;display:block;filter:drop-shadow(0 2px 7px rgba(0,0,0,.4))}
.brand b{font-family:"Sora";font-weight:700;font-size:1.12rem;letter-spacing:-.02em;line-height:1}
.brand span{display:block;font-size:.62rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold);font-weight:500;margin-top:3px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{color:rgba(255,255,255,.82);font-size:.92rem;font-weight:500;position:relative;padding:4px 0;transition:color .25s}
.nav-links a::after{content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:var(--gold);transition:width .3s var(--ease)}
.nav-links a:hover{color:#fff}
.nav-links a:hover::after{width:100%}
.btn{
  display:inline-flex;align-items:center;gap:9px;
  font-family:"Sora";font-weight:600;font-size:.92rem;letter-spacing:-.01em;
  padding:12px 22px;border-radius:999px;cursor:pointer;border:0;
  background:var(--gold);color:var(--ink);
  transition:transform .25s var(--ease),box-shadow .3s var(--ease),background .3s;
  box-shadow:0 8px 24px -10px rgba(227,164,70,.7);
}
.btn:hover{transform:translateY(-2px);box-shadow:0 14px 30px -10px rgba(227,164,70,.85);background:var(--gold-2)}
.btn:disabled{opacity:.6;cursor:wait;transform:none;box-shadow:none}
.btn.ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.28);box-shadow:none}
.btn.ghost:hover{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.5)}
.nav-toggle{display:none;background:none;border:0;color:#fff;cursor:pointer}

/* ---------- HERO ---------- */
.hero{position:relative;min-height:100svh;display:flex;align-items:center;overflow:hidden;background:var(--ink)}
.hero-bg{position:absolute;inset:0;z-index:0}
.hero-bg image-slot{width:100%;height:120%}
.hero-bg::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(10,22,38,.62) 0%,rgba(10,22,38,.5) 40%,rgba(10,22,38,.92) 100%),
  radial-gradient(120% 80% at 80% 10%,transparent,rgba(10,22,38,.5));
}
.hero-fallback{position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(80% 60% at 70% 0%,rgba(22,52,90,.9),transparent 60%),
    linear-gradient(180deg,#0E2440,#0A1626 70%);
}
.hero-grid{position:absolute;inset:0;opacity:.5;pointer-events:none;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(80% 70% at 60% 40%,#000,transparent 80%);
}
.hero-inner{position:relative;z-index:2;width:100%;pointer-events:none}
.hero-inner a,.hero-inner button{pointer-events:auto}
.hero-eyebrow{display:inline-flex;align-items:center;gap:10px;color:var(--gold);font-size:.78rem;font-weight:600;letter-spacing:.24em;text-transform:uppercase;margin-bottom:26px}
.hero-eyebrow::before{content:"";width:34px;height:1px;background:var(--gold)}
.hero h1{color:#fff;font-size:clamp(2.6rem,7vw,5.6rem);font-weight:700;max-width:14ch}
.hero h1 em{font-style:normal;color:var(--gold);position:relative}
.hero-sub{color:var(--tl);font-size:clamp(1.05rem,2vw,1.3rem);max-width:46ch;margin-top:26px}
.hero-tags{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-tags span{font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:rgba(255,255,255,.86);border:1px solid var(--line);border-radius:999px;padding:8px 16px}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap;margin-top:38px}
.scrollcue{position:absolute;left:50%;bottom:26px;transform:translateX(-50%);z-index:3;pointer-events:none;color:rgba(255,255,255,.6);display:flex;flex-direction:column;align-items:center;gap:8px;font-size:.68rem;letter-spacing:.2em;text-transform:uppercase}
.scrollcue .dot{width:22px;height:36px;border:1.5px solid rgba(255,255,255,.4);border-radius:14px;position:relative}
.scrollcue .dot::after{content:"";position:absolute;left:50%;top:7px;width:4px;height:7px;border-radius:3px;background:#fff;transform:translateX(-50%);animation:scrolldot 1.8s var(--ease) infinite}
@keyframes scrolldot{0%{opacity:0;transform:translate(-50%,0)}40%{opacity:1}80%{opacity:0;transform:translate(-50%,12px)}100%{opacity:0}}

/* ---------- SECTION SHELL ---------- */
.section{padding:clamp(64px,10vw,128px) 0}
.section.dark{background:var(--navy);color:#fff}
.section.ink{background:var(--ink);color:#fff}
.kicker{display:inline-flex;align-items:center;gap:10px;color:var(--gold);font-size:.78rem;font-weight:600;letter-spacing:.22em;text-transform:uppercase;margin-bottom:18px}
.kicker::before{content:"";width:26px;height:1px;background:var(--gold)}
.section-head h2{font-size:clamp(2rem,4.4vw,3.3rem);max-width:18ch}
.section.dark h2,.section.ink h2{color:#fff}
.lede{font-size:clamp(1.02rem,1.6vw,1.18rem);max-width:54ch;margin-top:18px;color:var(--tdm)}
.section.dark .lede,.section.ink .lede{color:var(--tl)}

/* ---------- PORTFOLIO ALTERNATING GRID ---------- */
.portfolio{position:relative;overflow:hidden;
  background:
    radial-gradient(circle at 1px 1px,rgba(12,30,54,.05) 1px,transparent 0) 0 0/26px 26px,
    linear-gradient(180deg,#FBF9F4 0%,#EFE9DF 100%);
}
.portfolio::before,.portfolio::after{content:"";position:absolute;border-radius:50%;filter:blur(70px);z-index:0;pointer-events:none}
.portfolio::before{width:480px;height:480px;top:-130px;left:-130px;background:radial-gradient(circle,rgba(176,120,60,.30),transparent 70%);animation:drift 17s var(--ease) infinite}
.portfolio::after{width:560px;height:560px;bottom:-180px;right:-150px;background:radial-gradient(circle,rgba(22,52,90,.22),transparent 70%);animation:drift 23s var(--ease) infinite reverse}
.portfolio .wrap{position:relative;z-index:1}
@keyframes drift{0%,100%{transform:translate(0,0) scale(1)}50%{transform:translate(44px,-34px) scale(1.1)}}
.portfolio .section-head{margin-bottom:54px;max-width:760px}
.solrow{display:grid;grid-template-columns:1fr 1fr;min-height:380px;border-radius:24px;overflow:hidden;margin-bottom:28px;
  box-shadow:0 26px 64px -36px rgba(12,30,54,.5);transition:transform .55s var(--ease),box-shadow .55s var(--ease)}
.solrow:last-child{margin-bottom:0}
.solrow:hover{transform:translateY(-7px);box-shadow:0 40px 90px -34px rgba(12,30,54,.6)}
.solrow .panel{padding:clamp(32px,4vw,56px);display:flex;flex-direction:column;justify-content:center}
.solrow .panel.copper{background:var(--copper);color:#fff}
.solrow .panel.navy{background:var(--navy);color:#fff}
.solrow .media{position:relative;overflow:hidden;background:var(--navy-2);min-height:300px}
.solrow .media::after{content:"";position:absolute;inset:0;z-index:2;pointer-events:none;transform:translateX(-130%);transition:transform 1s var(--ease);
  background:linear-gradient(110deg,transparent 38%,rgba(255,255,255,.20) 50%,transparent 62%)}
.solrow:hover .media::after{transform:translateX(130%)}
.solrow .media image-slot{width:100%;height:100%}
.panel h3{font-size:clamp(1.5rem,2.6vw,2.2rem);margin-bottom:16px}
.panel p{color:rgba(255,255,255,.86);font-size:1.02rem;max-width:42ch}
.panel .num{font-family:"Sora";font-weight:700;font-size:.85rem;letter-spacing:.2em;opacity:.55;margin-bottom:16px;position:relative;padding-bottom:14px}
.panel .num::after{content:"";position:absolute;left:0;bottom:0;height:3px;border-radius:3px;background:var(--gold);width:0;transition:width .8s var(--ease) .35s}
.solrow.in .panel .num::after{width:36px}
.solrow:nth-child(even) .media{order:-1}
.media-zoom{transition:transform 1.2s var(--ease)}
.solrow:hover .media-zoom{transform:scale(1.05)}

/* ---------- DIGITAL BANNER ---------- */
.digital{position:relative;overflow:hidden;background:var(--ink);color:#fff;text-align:center;padding:clamp(80px,12vw,150px) 0}
.digital .bg{position:absolute;inset:0;z-index:0;
  background:
    radial-gradient(2.5px 2.5px at 12% 72%,rgba(244,195,107,.7),transparent 60%),
    radial-gradient(2px 2px at 24% 60%,rgba(244,195,107,.5),transparent 60%),
    radial-gradient(3px 3px at 38% 80%,rgba(255,196,120,.55),transparent 60%),
    radial-gradient(2px 2px at 52% 66%,rgba(244,195,107,.45),transparent 60%),
    radial-gradient(2.5px 2.5px at 66% 78%,rgba(255,196,120,.6),transparent 60%),
    radial-gradient(2px 2px at 78% 62%,rgba(244,195,107,.4),transparent 60%),
    radial-gradient(3px 3px at 88% 76%,rgba(255,196,120,.55),transparent 60%),
    radial-gradient(1.5px 1.5px at 30% 50%,rgba(244,195,107,.35),transparent 60%),
    radial-gradient(1.5px 1.5px at 60% 52%,rgba(244,195,107,.3),transparent 60%),
    radial-gradient(120% 90% at 50% 120%,rgba(176,120,60,.45),transparent 70%),
    linear-gradient(180deg,#0C2542,#0A1626 75%);
}
.digital .bg image-slot{width:100%;height:100%}
.digital .bg::after{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(180deg,rgba(10,22,38,.78),rgba(10,22,38,.92))}
.digital .inner{position:relative;z-index:2;max-width:780px;margin:0 auto;pointer-events:none}
.digital h2{font-size:clamp(2.1rem,5vw,3.8rem)}
.digital p{color:var(--tl);font-size:clamp(1.05rem,2vw,1.3rem);margin-top:22px;max-width:60ch;margin-inline:auto}

/* ---------- WHY US ---------- */
.why{background:var(--navy);color:#fff;overflow:hidden}
.why-grid{display:grid;grid-template-columns:1fr 1.05fr;gap:clamp(36px,6vw,80px);align-items:center}
.why-portrait{position:relative}
.why-portrait image-slot{width:100%;aspect-ratio:3/4;min-height:480px}
.why-portrait .badge{position:absolute;right:-14px;bottom:-14px;background:var(--gold);color:var(--ink);border-radius:18px;padding:18px 22px;box-shadow:0 20px 40px -16px rgba(0,0,0,.6)}
.why-portrait .badge b{display:block;font-family:"Sora";font-size:2.2rem;line-height:1}
.why-portrait .badge span{font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;font-weight:600}
.why h3{font-size:clamp(1.4rem,2.4vw,2rem);margin:14px 0 22px}
.why p{color:var(--tl);font-size:1.08rem;max-width:52ch;margin-bottom:18px}
.why .name{font-family:"Sora";color:#fff;font-weight:600;margin-top:8px}
.why .name small{display:block;color:var(--gold);font-family:"IBM Plex Sans";font-weight:500;letter-spacing:.04em;margin-top:4px;font-size:.92rem}

/* ---------- TIMELINE ---------- */
.path{background:var(--ink);color:#fff}
.path .section-head{margin-bottom:64px}
.tl{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.tl::before{content:"";position:absolute;left:0;right:0;top:54px;height:2px;background:var(--line)}
.tl .prog{position:absolute;left:0;top:54px;height:2px;background:linear-gradient(90deg,var(--gold),var(--gold-2));width:0;transition:width 1.6s var(--ease) .2s}
.tl.go .prog{width:100%}
.tl .step{position:relative;padding-top:0}
.tl .node{width:22px;height:22px;border-radius:50%;background:var(--ink);border:2px solid var(--gold);position:relative;margin:43px 0 24px;z-index:2;transition:transform .4s var(--ease),background .4s}
.tl .node::after{content:"";position:absolute;inset:4px;border-radius:50%;background:var(--gold);transform:scale(0);transition:transform .4s var(--ease)}
.tl.go .step:nth-child(2) .node::after{transition-delay:.3s;transform:scale(1)}
.tl.go .step:nth-child(3) .node::after{transition-delay:.6s;transform:scale(1)}
.tl.go .step:nth-child(4) .node::after{transition-delay:.9s;transform:scale(1)}
.tl.go .step:nth-child(5) .node::after{transition-delay:1.2s;transform:scale(1)}
.tl .step .n{font-family:"Sora";color:var(--gold);font-weight:700;font-size:.85rem;letter-spacing:.1em}
.tl .step h4{font-size:1.25rem;margin:6px 0 10px;color:#fff}
.tl .step p{color:var(--tl);font-size:.98rem}

/* ---------- CONTACT ---------- */
.contact{background:var(--paper)}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,6vw,72px);align-items:start}
.contact-info h2{font-size:clamp(2rem,4.4vw,3.2rem);max-width:14ch}
.contact-info .lede{margin-bottom:34px}
.cinfo{list-style:none;display:flex;flex-direction:column;gap:6px}
.cinfo li{display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-top:1px solid rgba(10,22,38,.1)}
.cinfo li:last-child{border-bottom:1px solid rgba(10,22,38,.1)}
.cinfo .ic{width:44px;height:44px;flex:none;border-radius:12px;background:var(--navy);color:var(--gold);display:grid;place-items:center}
.cinfo .ic svg{width:20px;height:20px}
.cinfo .t{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--tdm);font-weight:600}
.cinfo .v{font-family:"Sora";font-weight:600;color:var(--td);font-size:1.06rem;margin-top:2px}
.cinfo a.v:hover{color:var(--copper)}

/* form */
.form-card{background:var(--navy);color:#fff;border-radius:24px;padding:clamp(28px,4vw,44px);box-shadow:0 40px 80px -40px rgba(10,22,38,.6);position:relative;overflow:hidden}
.form-card::before{content:"";position:absolute;top:-60px;right:-60px;width:200px;height:200px;border-radius:50%;background:radial-gradient(circle,rgba(227,164,70,.3),transparent 70%)}
.form-card h3{font-size:1.5rem;position:relative}
.form-card .sub{color:var(--tl);margin:8px 0 26px;position:relative}
.field{position:relative;margin-bottom:18px}
.field label{display:block;font-size:.78rem;letter-spacing:.06em;color:var(--tl);margin-bottom:8px;font-weight:500}
.field input,.field textarea{
  width:100%;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;
  color:#fff;font-family:inherit;font-size:1rem;padding:14px 16px;transition:border-color .25s,background .25s,box-shadow .25s;
}
.field textarea{resize:vertical;min-height:110px}
.field input::placeholder,.field textarea::placeholder{color:rgba(255,255,255,.35)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--gold);background:rgba(255,255,255,.08);box-shadow:0 0 0 4px rgba(227,164,70,.14)}
.field.invalid input,.field.invalid textarea{border-color:#E2725B}
.field .err{color:#F0A18F;font-size:.78rem;margin-top:6px;display:none}
.field.invalid .err{display:block}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.form-card .btn{width:100%;justify-content:center;margin-top:8px}
.form-note{font-size:.8rem;color:var(--tl);text-align:center;margin-top:14px}
.success{display:none;text-align:center;padding:30px 10px}
.success.show{display:block;animation:pop .5s var(--ease)}
.success .check{width:64px;height:64px;border-radius:50%;background:var(--gold);color:var(--ink);display:grid;place-items:center;margin:0 auto 18px}
.success h3{font-size:1.5rem}
.success p{color:var(--tl);margin-top:8px}
@keyframes pop{0%{transform:scale(.85);opacity:0}100%{transform:scale(1);opacity:1}}

/* ---------- FOOTER ---------- */
.footer{background:var(--ink);color:#fff;padding:64px 0 32px;border-top:1px solid var(--line)}
.footer-top{display:flex;justify-content:space-between;gap:30px;flex-wrap:wrap;align-items:center;padding-bottom:36px;border-bottom:1px solid var(--line)}
.footer-links{display:flex;gap:26px;flex-wrap:wrap}
.footer-links a{color:rgba(255,255,255,.7);font-size:.92rem}
.footer-links a:hover{color:var(--gold)}
.footer-bot{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;padding-top:24px;color:rgba(255,255,255,.5);font-size:.85rem}

/* ---------- EMPTY IMAGE SLOTS ON DARK ---------- */
.media image-slot,.why-portrait image-slot,.digital .bg image-slot,.hero-bg image-slot{color:rgba(244,239,231,.66)}
.hero-bg image-slot::part(frame){background:transparent}
.hero-bg image-slot::part(ring){border-color:rgba(244,239,231,.22)}
.media image-slot::part(frame),.why-portrait image-slot::part(frame){background:rgba(244,239,231,.045)}
.digital .bg image-slot::part(frame){background:transparent}
.media image-slot::part(ring),.why-portrait image-slot::part(ring),.digital .bg image-slot::part(ring){border-color:rgba(244,239,231,.22)}

/* ---------- REVEAL ANIM ---------- */
[data-reveal]{opacity:0;transform:translateY(28px);transition:opacity .9s var(--ease),transform .9s var(--ease)}
[data-reveal].in{opacity:1;transform:none}
[data-reveal][data-delay="1"]{transition-delay:.12s}
[data-reveal][data-delay="2"]{transition-delay:.24s}
[data-reveal][data-delay="3"]{transition-delay:.36s}
@media (prefers-reduced-motion:reduce){
  [data-reveal]{opacity:1!important;transform:none!important}
  .tl .prog{width:100%!important}
  .tl .node::after{transform:scale(1)!important}
  .scrollcue .dot::after{animation:none}
}

/* ---------- RESPONSIVE ---------- */
@media (max-width:860px){
  .nav-links{position:fixed;inset:0 0 0 auto;width:min(78vw,320px);background:rgba(10,22,38,.98);backdrop-filter:blur(14px);flex-direction:column;align-items:flex-start;justify-content:center;gap:26px;padding:0 36px;transform:translateX(100%);transition:transform .4s var(--ease);box-shadow:-20px 0 60px rgba(0,0,0,.4)}
  .nav-links.open{transform:none}
  .nav-links a{font-size:1.2rem}
  .nav-toggle{display:block;z-index:120}
  .solrow{grid-template-columns:1fr}
  .solrow:nth-child(even) .media{order:0}
  .solrow .media{min-height:240px}
  .why-grid{grid-template-columns:1fr;gap:48px}
  .why-portrait{max-width:380px}
  .contact-grid{grid-template-columns:1fr}
  .tl{grid-template-columns:1fr;gap:0}
  .tl::before{left:10px;right:auto;top:0;bottom:0;width:2px;height:auto}
  .tl .prog{left:10px;top:0;width:2px!important;height:0;background:linear-gradient(180deg,var(--gold),var(--gold-2));transition:height 1.6s var(--ease)}
  .tl.go .prog{height:100%}
  .tl .step{padding-left:42px;padding-bottom:30px}
  .tl .node{position:absolute;left:0;top:2px;margin:0}
  .row2{grid-template-columns:1fr}
}