/* ==========================================
   SEZIONE PROGETTI - full screen + stage (GSAP SAFE)
   File: assets/css/home/projects.css
========================================== */

.sp-projects{
  position: relative;
  min-height: 100vh;
  padding: 0;

  /* FIX pin / stacking su mobile */
  isolation: isolate;
  z-index: 1;

  /* base dark (theme) */
  background:
    linear-gradient(
      180deg,
      color-mix(in srgb, var(--bg) 55%, #000) 0%,
      color-mix(in srgb, var(--panel) 70%, #000) 45%,
      color-mix(in srgb, var(--bg) 70%, #000) 100%
    );

  overflow: hidden;
}

/* viewport mobile più stabile del 100vh */
@supports (min-height: 100svh){
  .sp-projects{ min-height: 100svh; }
}
@supports (min-height: 100dvh){
  .sp-projects{ min-height: 100dvh; }
}
@supports (overflow: clip){
  .sp-projects{ overflow: clip; }
}

/* spot gradients (accent/accent2) */
.sp-projects::after{
  content:"";
  position:absolute;
  inset:0;
  pointer-events:none;
  z-index: 0;
  opacity: .95;
}

@supports (color: color-mix(in srgb, white 50%, black)){
  .sp-projects::after{
    background:
      radial-gradient(900px 520px at 18% 10%,
        color-mix(in srgb, var(--accent) 12%, transparent),
        transparent 60%),
      radial-gradient(1100px 680px at 72% 20%,
        color-mix(in srgb, var(--accent2) 12%, transparent),
        transparent 62%);
  }
}

/* pattern puntinato (customizer) */
.sp-projects::before{
  content:"";
  position:absolute;
  inset:0;
  background-image: radial-gradient(rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: var(--pattern-size) var(--pattern-size);
  opacity: var(--pattern-opacity);
  pointer-events:none;
  z-index: 1;
}

.sp-projects__inner{
  width: min(1240px, 92vw);
  margin: 0 auto;
  min-height: 100vh;
  position: relative;
  display:flex;
  align-items:center;
  justify-content:center;
  padding: 10vh 0 6vh;
  z-index: 2;
}

@supports (min-height: 100svh){
  .sp-projects__inner{ min-height: 100svh; }
}
@supports (min-height: 100dvh){
  .sp-projects__inner{ min-height: 100dvh; }
}

/* ==========================
   HEADER (centrato)
========================== */
.sp-projects__header{
  position:absolute;
  top: 6.5vh;
  left: 50%;
  transform: translateX(-50%);
  z-index: 20;
  width: min(900px, 92vw);
  text-align: center;
  pointer-events:none;
}

.sp-projects__kicker{
  margin: 0 0 5px;
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: rgba(255,255,255,.70);
  font-family: var(--font-subtitle);
}

.sp-projects__title{
  margin: 6vh 0 4vh;
  font-size: clamp(30px, 4.2vw, 56px);
  line-height: 1.05;
  font-weight: 900;
  color: rgba(255,255,255,.95);
  font-family: var(--font-title);
}

.sp-projects__title span{
  color: var(--accent);
  text-shadow: 0 0 26px rgba(0,0,0,.25);
}
@supports (color: color-mix(in srgb, white 50%, black)){
  .sp-projects__title span{
    text-shadow: 0 0 26px color-mix(in srgb, var(--accent) 22%, transparent);
  }
}

.sp-projects__sub{
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: rgba(255,255,255,.70);
  font-family: var(--font-body);
}

/* ==========================
   STAGE (centrato)
========================== */
.sp-projects__stage{
  position: relative;
  width: min(980px, 94vw);
  height: min(620px, 72vh);
  min-height: 520px;
  z-index: 5;
  display:block;
}

/* ==========================
   PROJECT CARD (GSAP SAFE)
========================== */
.sp-project{
  position:absolute;
  left: 5%;
  top: 15%;
  width: min(860px, 92vw);
  transform-origin: center center;

  opacity: 0; /* GSAP */
  will-change: transform, opacity;
  transform: translateZ(0);
  backface-visibility: hidden;
  pointer-events:none;
}

/* ✅ FALLBACK: se JS non parte (mobile/iOS), almeno il primo si vede */
.sp-project:first-child{
  opacity: 1;
}

/* ==========================
   FRAME VIDEO
========================== */
.sp-project__frame{
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  min-height: min(520px, 58vh);
  border-radius: 28px;

  background: linear-gradient(
    180deg,
    rgba(255,255,255,.06),
    rgba(255,255,255,.02)
  );
  border: 1px solid rgba(255,255,255,.12);
  box-shadow: 0 30px 90px rgba(0,0,0,.55);
  overflow:hidden;
  transition: border-color .35s ease, box-shadow .35s ease;
}

.sp-project__video{
  position:absolute;
  inset:0;
  width:100%;
  height:100%;
  object-fit: contain;
  z-index: 2;
  pointer-events:none;
  transform: translateZ(0);
  backface-visibility: hidden;
  filter: brightness(var(--proj-video-brightness, 1.15)) contrast(var(--proj-video-contrast, 1.1)) saturate(var(--proj-video-saturate, 1.05));
}

/* overlay estetico */
.sp-project__glass{
  position:absolute;
  inset:0;
  background:
    radial-gradient(700px 420px at 30% 20%, rgba(255,122,24,.07), rgba(0,0,0,0) 62%),
    radial-gradient(700px 420px at 75% 45%, rgba(90,160,255,.07), rgba(0,0,0,0) 65%);
  opacity: .42;
  z-index: 3;
  pointer-events:none;
  transition: opacity .35s ease;
}

@supports (color: color-mix(in srgb, white 50%, black)){
  .sp-project__glass{
    background:
      radial-gradient(700px 420px at 30% 20%,
        color-mix(in srgb, var(--accent) 12%, transparent),
        transparent 62%),
      radial-gradient(700px 420px at 75% 45%,
        color-mix(in srgb, var(--accent2) 12%, transparent),
        transparent 65%);
  }
}

/* ==========================
   CAPTION
========================== */
.sp-project__caption{
  margin-top: 16px;
  text-align:center;
  pointer-events:none;
  transition: opacity .3s ease, transform .3s ease;
}

.sp-project.is-active .sp-project__frame{
  border-color: color-mix(in srgb, var(--accent) 34%, rgba(255,255,255,.18));
  box-shadow: 0 36px 105px rgba(0,0,0,.62);
}

.sp-project.is-active .sp-project__glass{
  opacity: .6;
}

.sp-project.is-active .sp-project__caption{
  opacity: 1;
  transform: translateY(0);
}

.sp-project__name{
  margin: 0;
  font-weight: 900;
  font-size: 18px;
  color: rgba(255,255,255,.92);
  font-family: var(--font-title);
}

.sp-project__desc{
  margin: 6px auto 0;
  font-size: 14px;
  line-height: 1.6;
  color: rgba(255,255,255,.70);
  max-width: 70ch;
  font-family: var(--font-body);
}

/* ==========================
   RESPONSIVE
========================== */

/* Tablet e giù */
@media (max-width: 980px){

  .sp-projects,
  .sp-projects__inner{
    min-height: 100svh;
  }

  .sp-projects__inner{
    padding: 88px 0 48px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    gap: 18px;
  }

  .sp-projects__header{
    position: relative;
    top: auto;
    left: auto;
    transform: none;
    width: min(900px, 92vw);
    margin: 0 auto;
  }

  .sp-projects__title{
    margin: 10px 0 10px;
    font-size: clamp(26px, 6.2vw, 42px);
  }

  .sp-projects__sub{ font-size: 14px; }

  .sp-projects__stage{
    width: min(980px, 94vw);
    height: min(560px, 62vh);
    min-height: 480px;
    margin: 6px auto 0;
    overflow: hidden;
  }

  /* ✅ CENTRATO DAVVERO: la card riempie lo stage MA centra il contenuto */
  .sp-project{
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    margin: 0;

    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center; /* <-- questo elimina “troppo in su” */
    padding-top: 10px;      /* micro respiro per evitare “testa attaccata” */
  }

  .sp-project__frame{
    width: min(860px, 92vw);
    min-height: min(420px, 46vh);
  }

  .sp-project__caption{
    width: min(860px, 92vw);
  }
}

/* Mobile stretto */
@media (max-width: 520px){

  .sp-projects,
  .sp-projects__inner{
    min-height: 100svh;
  }

  .sp-projects__inner{
    padding: 84px 0 44px;
    gap: 14px;
  }

  .sp-projects__title{
    margin: 8px 0 8px;
    font-size: clamp(24px, 7vw, 34px);
  }

  .sp-projects__stage{
    height: min(520px, 58vh);
    min-height: 430px;
    margin: 6px auto 0;
    overflow: hidden;
  }

  .sp-project{
    padding-top: 6px;
  }

  .sp-project__frame{
    width: 92vw;
    min-height: min(380px, 44vh);
    border-radius: 22px;
  }

  .sp-project__caption{
    width: 92vw;
  }

  .sp-project__name{ font-size: 16px; }
  .sp-project__desc{ font-size: 13px; }
}

@media (prefers-reduced-motion: reduce){
  .sp-project{
    transition: none !important;
    transform: none !important;
  }
  .sp-project:not(:first-child){
    opacity: 0;
  }
}