/*
Theme Name: 18ClickStudio
Theme URI: https://18clickstudio.example
Author: Gabriele Romanato
Description: Tema WordPress classico (no blocchi) per uno studio di foto e video di feste di 18 anni. Custom post type Galleria e Video, sezione About configurabile in home, lightbox mobile friendly. Stile editoriale caldo con accento lampone.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.6
Requires PHP: 7.4
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: 18clickstudio
*/

/* =========================================================
   Design tokens
   Palette: carta calda + inchiostro caldo, accento lampone
   ---------------------------------------------------------
   --paper   #F0EBE3   sfondo caldo (non "crema/terracotta")
   --paper-2 #E7DFD3   superfici alternate
   --ink     #17130F   testo / sezioni scure
   --muted   #6F655B   testo secondario
   --accent  #D6335A   lampone: energia della festa
   --gold    #A9834E   oro spento: filetti, eleganza
   ========================================================= */
:root{
  --paper:#F0EBE3;
  --paper-2:#E7DFD3;
  --ink:#17130F;
  --ink-soft:#2A231D;
  --muted:#6F655B;
  --accent:#D6335A;
  --accent-ink:#9E1E40;
  --gold:#A9834E;
  --line:#D8CDBE;

  --serif:"Instrument Serif", Georgia, "Times New Roman", serif;
  --sans:"Manrope", system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;

  --wrap:1240px;
  --gutter:clamp(20px, 5vw, 64px);
  --radius:2px;
  --ease:cubic-bezier(.2,.7,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--ink);
  font-family:var(--sans);
  font-size:17px;
  line-height:1.6;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* --------- Layout helpers --------- */
.cs-wrap{width:100%;max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.cs-section{padding-block:clamp(56px,9vw,120px)}
.cs-eyebrow{
  font-family:var(--sans);
  font-size:12px;font-weight:700;letter-spacing:.22em;text-transform:uppercase;
  color:var(--accent-ink);display:inline-flex;align-items:center;gap:.6em;margin:0 0 18px;
}
.cs-eyebrow::before{content:"";width:26px;height:1px;background:var(--gold);display:inline-block}

/* --------- Typography --------- */
.cs-display{
  font-family:var(--serif);font-weight:400;line-height:1.02;letter-spacing:-.01em;
  font-size:clamp(2.6rem,7vw,5.4rem);margin:0;color:var(--ink);
}
.cs-display em{font-style:italic;color:var(--accent)}
h1,h2,h3{font-family:var(--serif);font-weight:400;line-height:1.06;letter-spacing:-.01em}
.cs-h2{font-family:var(--serif);font-size:clamp(2rem,4.5vw,3.4rem);margin:0 0 .3em;font-weight:400}
.cs-lede{font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--ink-soft);max-width:56ch}
p{margin:0 0 1.1em}

/* --------- Buttons / links --------- */
.cs-btn{
  display:inline-flex;align-items:center;gap:.6em;
  font-weight:700;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;
  padding:14px 22px;border:1px solid var(--ink);border-radius:100px;
  transition:background .25s var(--ease),color .25s var(--ease),border-color .25s var(--ease);
}
.cs-btn:hover{background:var(--ink);color:var(--paper)}
.cs-btn--accent{border-color:var(--accent);color:var(--accent-ink)}
.cs-btn--accent:hover{background:var(--accent);border-color:var(--accent);color:#fff}
.cs-textlink{
  font-weight:700;font-size:.82rem;letter-spacing:.1em;text-transform:uppercase;
  border-bottom:1px solid var(--accent);padding-bottom:2px;color:var(--accent-ink);
  transition:color .2s var(--ease),border-color .2s var(--ease);
}
.cs-textlink:hover{color:var(--ink);border-color:var(--ink)}

/* =========================================================
   Header / nav
   ========================================================= */
.cs-header{position:sticky;top:0;z-index:40;background:color-mix(in srgb,var(--paper) 88%, transparent);backdrop-filter:saturate(1.1) blur(8px);border-bottom:1px solid var(--line)}
.cs-header__inner{display:flex;align-items:center;justify-content:space-between;gap:18px;height:74px}
.cs-brand{display:inline-flex;align-items:baseline;gap:.05em;font-family:var(--serif);font-size:1.6rem;line-height:1;letter-spacing:-.01em}
.cs-brand b{font-weight:400}
.cs-brand .cs-brand__num{color:var(--accent);font-style:italic}

.cs-nav{display:none}
.cs-nav ul{display:flex;align-items:center;gap:30px;margin:0;padding:0;list-style:none}
.cs-nav a,.cs-nav button{
  font-weight:600;font-size:.82rem;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-soft);
  padding:6px 0;position:relative;transition:color .2s var(--ease);
}
.cs-nav a::after{content:"";position:absolute;left:0;right:100%;bottom:-2px;height:1px;background:var(--accent);transition:right .28s var(--ease)}
.cs-nav a:hover,.cs-nav button:hover{color:var(--ink)}
.cs-nav a:hover::after,.cs-nav .current a::after,.cs-nav li.current-menu-item a::after{right:0}

/* hamburger */
.cs-burger{display:inline-flex;flex-direction:column;justify-content:center;gap:5px;width:44px;height:44px;margin-right:-8px}
.cs-burger span{display:block;height:2px;width:24px;background:var(--ink);margin-inline:auto;transition:transform .3s var(--ease),opacity .2s var(--ease)}
.cs-burger[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.cs-burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.cs-burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* mobile drawer */
.cs-mobile{position:fixed;inset:74px 0 0;z-index:39;background:var(--paper);transform:translateY(-6px);opacity:0;visibility:hidden;transition:opacity .28s var(--ease),transform .28s var(--ease),visibility 0s .28s;padding:36px var(--gutter)}
.cs-mobile.is-open{opacity:1;visibility:visible;transform:none;transition:opacity .28s var(--ease),transform .28s var(--ease)}
.cs-mobile ul{list-style:none;margin:0;padding:0;display:grid;gap:6px}
.cs-mobile a,.cs-mobile button{display:block;width:100%;text-align:left;font-family:var(--serif);font-size:2.4rem;line-height:1.2;color:var(--ink);padding:10px 0;border-bottom:1px solid var(--line)}
.cs-mobile button{font-family:var(--serif)}
.cs-mobile .cs-mobile__meta{margin-top:28px;color:var(--muted);font-size:.9rem;letter-spacing:.04em}

@media (min-width:900px){
  .cs-nav{display:block}
  .cs-burger{display:none}
  .cs-mobile{display:none}
}

/* =========================================================
   Home / About (front-page)
   ========================================================= */
.cs-hero{padding-block:clamp(48px,7vw,96px)}
.cs-hero__grid{display:grid;gap:clamp(28px,4vw,56px);align-items:end}
.cs-hero__title{margin:0 0 .35em}
.cs-hero__desc{color:var(--ink-soft);max-width:60ch}
.cs-hero__desc p:last-child{margin-bottom:0}
.cs-hero__photo{position:relative}
.cs-hero__photo img{width:100%;aspect-ratio:4/5;object-fit:cover;border-radius:var(--radius)}
.cs-hero__badge{
  position:absolute;left:-10px;top:-18px;font-family:var(--serif);font-size:clamp(3.4rem,9vw,6rem);
  color:var(--accent);line-height:.8;font-style:italic;text-shadow:0 1px 0 var(--paper);
}
.cs-hero__ph{width:100%;aspect-ratio:4/5;background:
   radial-gradient(120% 120% at 20% 0%, var(--paper-2), transparent 60%),var(--paper-2);
   border:1px solid var(--line);border-radius:var(--radius);display:grid;place-items:center;color:var(--muted);
   font-family:var(--serif);font-size:1.4rem}
@media (min-width:900px){
  .cs-hero__grid{grid-template-columns:1.15fr .85fr}
}

/* featured gallery on home */
.cs-featured{border-top:1px solid var(--line)}
.cs-featured__head{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:16px;margin-bottom:30px}
.cs-featured__head h2{margin:0}

/* =========================================================
   Photo grid + tiles (shared: home featured + single gallery)
   ========================================================= */
.cs-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:clamp(8px,1.4vw,18px)}
@media (min-width:700px){.cs-grid{grid-template-columns:repeat(3,1fr)}}
@media (min-width:1050px){.cs-grid{grid-template-columns:repeat(4,1fr)}}
.cs-tile{display:block;position:relative;overflow:hidden;border-radius:var(--radius);background:var(--paper-2)}
.cs-tile img{width:100%;height:100%;aspect-ratio:1/1;object-fit:cover;transition:transform .6s var(--ease),filter .3s var(--ease)}
.cs-tile::after{content:"";position:absolute;inset:0;background:var(--ink);opacity:0;transition:opacity .3s var(--ease)}
.cs-tile:hover img{transform:scale(1.05)}
.cs-tile:hover::after{opacity:.06}
.cs-tile__zoom{position:absolute;right:10px;bottom:10px;width:34px;height:34px;border-radius:50%;background:color-mix(in srgb,var(--paper) 90%,transparent);display:grid;place-items:center;opacity:0;transform:translateY(6px);transition:opacity .25s var(--ease),transform .25s var(--ease)}
.cs-tile:hover .cs-tile__zoom{opacity:1;transform:none}
.cs-tile__zoom svg{width:16px;height:16px;stroke:var(--ink);fill:none;stroke-width:2}

/* =========================================================
   Gallerie index (archive-galleria)
   ========================================================= */
.cs-pagehead{padding-block:clamp(44px,7vw,90px);border-bottom:1px solid var(--line)}
.cs-pagehead h1{margin:0 0 .3em}
.cs-index{display:grid;gap:clamp(26px,3vw,44px);grid-template-columns:1fr}
@media (min-width:680px){.cs-index{grid-template-columns:repeat(2,1fr)}}
.cs-card{display:block;position:relative}
.cs-card__media{position:relative;overflow:hidden;border-radius:var(--radius);background:var(--paper-2)}
.cs-card__media img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .7s var(--ease)}
.cs-card__ph{width:100%;aspect-ratio:3/2;display:grid;place-items:center;color:var(--muted);font-family:var(--serif);font-size:1.3rem}
.cs-card:hover .cs-card__media img{transform:scale(1.04)}
.cs-card__foot{display:flex;align-items:baseline;justify-content:space-between;gap:14px;margin-top:16px}
.cs-card__title{font-family:var(--serif);font-size:clamp(1.4rem,2.4vw,2rem);line-height:1.1;margin:0}
.cs-card__arrow{flex:0 0 auto;color:var(--accent-ink);font-weight:700;letter-spacing:.06em;font-size:.8rem;text-transform:uppercase;transition:transform .25s var(--ease)}
.cs-card:hover .cs-card__arrow{transform:translateX(4px)}
.cs-card__count{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* =========================================================
   Single gallery
   ========================================================= */
.cs-single__head{max-width:64ch}
.cs-single__desc{color:var(--ink-soft);font-size:clamp(1.02rem,1.5vw,1.2rem)}
.cs-backlink{display:inline-flex;align-items:center;gap:.5em;font-size:.8rem;letter-spacing:.12em;text-transform:uppercase;font-weight:700;color:var(--muted);margin-bottom:26px}
.cs-backlink:hover{color:var(--ink)}

/* =========================================================
   Video grid (archive-video)
   ========================================================= */
.cs-videos{display:grid;gap:clamp(20px,3vw,40px);grid-template-columns:1fr}
@media (min-width:760px){.cs-videos{grid-template-columns:repeat(2,1fr)}}
.cs-video__frame{position:relative;width:100%;aspect-ratio:16/9;border-radius:var(--radius);overflow:hidden;background:var(--ink)}
.cs-video__frame iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.cs-video__poster{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;cursor:pointer;transition:transform .6s var(--ease)}
.cs-video__frame:hover .cs-video__poster{transform:scale(1.03)}
.cs-video__play{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:72px;height:72px;border-radius:50%;background:var(--accent);display:grid;place-items:center;pointer-events:none;box-shadow:0 10px 30px rgba(0,0,0,.25)}
.cs-video__play svg{width:26px;height:26px;fill:#fff;margin-left:3px}
.cs-video__title{font-family:var(--serif);font-size:1.35rem;margin:14px 0 0}

/* =========================================================
   Contatti overlay
   ========================================================= */
.cs-overlay{position:fixed;inset:0;z-index:80;display:grid;place-items:center;padding:var(--gutter);
  background:color-mix(in srgb,var(--ink) 92%,transparent);
  opacity:0;visibility:hidden;transition:opacity .35s var(--ease),visibility 0s .35s}
.cs-overlay.is-open{opacity:1;visibility:visible;transition:opacity .35s var(--ease)}
.cs-overlay__inner{text-align:center;color:var(--paper);max-width:640px;transform:translateY(14px);transition:transform .45s var(--ease)}
.cs-overlay.is-open .cs-overlay__inner{transform:none}
.cs-overlay__eyebrow{color:var(--accent);font-weight:700;letter-spacing:.24em;text-transform:uppercase;font-size:12px;margin-bottom:22px}
.cs-overlay__title{font-family:var(--serif);font-size:clamp(2.4rem,6vw,4rem);margin:0 0 34px;line-height:1.05}
.cs-contact{display:grid;gap:14px;justify-items:center}
.cs-contact a{font-family:var(--serif);font-size:clamp(1.5rem,3.4vw,2.2rem);color:var(--paper);border-bottom:1px solid transparent;transition:color .2s var(--ease),border-color .2s var(--ease)}
.cs-contact a:hover{color:var(--accent);border-color:var(--accent)}
.cs-contact small{display:block;font-family:var(--sans);font-size:.72rem;letter-spacing:.2em;text-transform:uppercase;color:color-mix(in srgb,var(--paper) 70%,transparent);margin-bottom:4px}
.cs-overlay__close{position:absolute;top:22px;right:22px;width:48px;height:48px;border-radius:50%;border:1px solid color-mix(in srgb,var(--paper) 40%,transparent);color:var(--paper);display:grid;place-items:center;transition:background .2s var(--ease),color .2s var(--ease)}
.cs-overlay__close:hover{background:var(--paper);color:var(--ink)}
.cs-overlay__close svg{width:18px;height:18px;stroke:currentColor;stroke-width:2}

/* =========================================================
   Lightbox
   ========================================================= */
.cs-lb{position:fixed;inset:0;z-index:90;background:rgba(15,12,9,.94);display:flex;align-items:center;justify-content:center;
  opacity:0;visibility:hidden;transition:opacity .3s var(--ease),visibility 0s .3s;touch-action:pan-y}
.cs-lb.is-open{opacity:1;visibility:visible;transition:opacity .3s var(--ease)}
.cs-lb__img{max-width:92vw;max-height:86vh;object-fit:contain;border-radius:2px;user-select:none;-webkit-user-drag:none;transition:opacity .2s var(--ease)}
.cs-lb__btn{position:absolute;background:rgba(255,255,255,.08);color:#fff;width:52px;height:52px;border-radius:50%;display:grid;place-items:center;transition:background .2s var(--ease)}
.cs-lb__btn:hover{background:rgba(255,255,255,.2)}
.cs-lb__btn svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:2}
.cs-lb__close{top:18px;right:18px}
.cs-lb__prev{left:14px;top:50%;transform:translateY(-50%)}
.cs-lb__next{right:14px;top:50%;transform:translateY(-50%)}
.cs-lb__count{position:absolute;bottom:20px;left:50%;transform:translateX(-50%);color:rgba(255,255,255,.75);font-size:.8rem;letter-spacing:.14em}
@media (max-width:600px){
  .cs-lb__prev{left:8px}.cs-lb__next{right:8px}
  .cs-lb__btn{width:46px;height:46px}
}

/* =========================================================
   Footer
   ========================================================= */
.cs-footer{border-top:1px solid var(--line);padding-block:48px;margin-top:20px}
.cs-footer__grid{display:flex;flex-wrap:wrap;gap:20px;align-items:center;justify-content:space-between}
.cs-footer__brand{font-family:var(--serif);font-size:1.4rem}
.cs-footer__brand .cs-brand__num{color:var(--accent);font-style:italic}
.cs-footer__meta{color:var(--muted);font-size:.85rem;letter-spacing:.03em}
.cs-footer__links{display:flex;gap:22px;flex-wrap:wrap}
.cs-footer__links a{font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.cs-footer__links a:hover{color:var(--ink)}

/* =========================================================
   Misc
   ========================================================= */
.cs-empty{color:var(--muted);font-family:var(--serif);font-size:1.3rem;padding:40px 0}
.screen-reader-text{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(1px,1px,1px,1px);white-space:nowrap}
body.cs-noscroll{overflow:hidden}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms!important;transition-duration:.001ms!important}
}