/* ============================================================
   D2D STUDIO — COMPONENTS
   ============================================================ */

/* ---------- Scroll progress ---------- */
.progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--gold), var(--gold-soft));
  z-index: var(--z-progress);
}

/* ---------- Custom cursor (desktop, fine pointer) ---------- */
.cursor,
.cursor-ring { display: none; }
@media (hover: hover) and (pointer: fine) {
  .cursor {
    display: block;
    position: fixed;
    top: 0; left: 0;
    width: 6px; height: 6px;
    margin: -3px 0 0 -3px;
    border-radius: 50%;
    background: var(--gold);
    pointer-events: none;
    z-index: var(--z-cursor);
    mix-blend-mode: difference;
  }
  .cursor-ring {
    display: block;
    position: fixed;
    top: 0; left: 0;
    width: 40px; height: 40px;
    margin: -20px 0 0 -20px;
    border: 1px solid var(--hairline-strong);
    border-radius: 50%;
    pointer-events: none;
    z-index: var(--z-cursor);
    transition: width .3s var(--e-lux), height .3s var(--e-lux),
                margin .3s var(--e-lux), border-color .3s var(--e-lux),
                opacity .3s var(--e-lux);
  }
  .cursor-ring.is-hover {
    width: 64px; height: 64px;
    margin: -32px 0 0 -32px;
    border-color: var(--gold);
  }
  body.has-cursor { cursor: none; }
  body.has-cursor a,
  body.has-cursor button { cursor: none; }
}

/* ---------- Preloader ---------- */
.preloader {
  position: fixed; inset: 0;
  z-index: 1500;
  background: var(--bg);
  display: grid; place-items: center;
  transition: opacity .8s var(--e-lux), visibility .8s;
}
.preloader.is-done { opacity: 0; visibility: hidden; }
.preloader__logo {
  width: min(240px, 58vw);
  animation: preFade 1s var(--e-lux) both;
}
.preloader__logo img { width: 100%; height: auto; display: block; }
@keyframes preFade {
  from { opacity: 0; transform: translateY(10px) scale(0.98); }
  to   { opacity: 1; transform: none; }
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: var(--z-nav);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--s-4);
  padding: clamp(1rem, 2.2vw, 1.75rem) var(--gutter);
  transition: background var(--d-base) var(--e-lux),
              backdrop-filter var(--d-base) var(--e-lux),
              border-color var(--d-base) var(--e-lux),
              padding var(--d-base) var(--e-lux);
  border-bottom: 1px solid transparent;
}
.nav.is-solid {
  background: rgba(13,13,13,0.72);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom-color: var(--hairline);
  padding-block: clamp(0.75rem, 1.4vw, 1.1rem);
}
.nav__logo { display: block; line-height: 0; z-index: 2; }
.nav__logo img {
  height: 40px; width: auto; display: block;
  transition: height var(--d-base) var(--e-lux);
}
.nav.is-solid .nav__logo img { height: 34px; }
@media (max-width: 900px) { .nav__logo img { height: 32px; } }

.nav__links {
  display: flex;
  align-items: center;
  gap: clamp(1.25rem, 2.4vw, 2.5rem);
}
.nav__links a {
  font-size: 0.9rem;
  letter-spacing: 0.02em;
  color: var(--text);
  position: relative;
  padding-block: 0.25rem;
}
.nav__links a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(0);
  transform-origin: 0 50%;
  transition: transform var(--d-fast) var(--e-lux);
}
.nav__links a:hover::after,
.nav__links a[aria-current="page"]::after { transform: scaleX(1); }
.nav__links a[aria-current="page"] { color: var(--gold); }

.nav__cta { display: inline-flex; }

.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  position: relative;
  z-index: 2;
}
.nav__toggle span {
  position: absolute;
  left: 10px; right: 10px;
  height: 1.5px;
  background: var(--text);
  transition: transform var(--d-fast) var(--e-lux),
              opacity var(--d-fast) var(--e-lux);
}
.nav__toggle span:nth-child(1) { top: 17px; }
.nav__toggle span:nth-child(2) { bottom: 17px; }
body.menu-open .nav__toggle span:nth-child(1) { transform: translateY(4.5px) rotate(45deg); }
body.menu-open .nav__toggle span:nth-child(2) { transform: translateY(-4.5px) rotate(-45deg); }

/* Mobile menu overlay */
.menu {
  position: fixed; inset: 0;
  z-index: var(--z-menu);
  background: var(--bg);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: var(--gutter);
  clip-path: inset(0 0 100% 0);
  transition: clip-path var(--d-base) var(--e-inout);
  pointer-events: none;
}
body.menu-open .menu { clip-path: inset(0 0 0 0); pointer-events: auto; }
.menu__links { display: flex; flex-direction: column; gap: 0.4rem; }
.menu__links a {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 11vw, 4.5rem);
  line-height: 1.1;
  color: var(--text);
  transform: translateY(120%);
  transition: transform var(--d-base) var(--e-lux), color var(--d-fast);
}
.menu__links a:hover { color: var(--gold); }
body.menu-open .menu__links a { transform: translateY(0); }
body.menu-open .menu__links a:nth-child(1) { transition-delay: 0.10s; }
body.menu-open .menu__links a:nth-child(2) { transition-delay: 0.16s; }
body.menu-open .menu__links a:nth-child(3) { transition-delay: 0.22s; }
body.menu-open .menu__links a:nth-child(4) { transition-delay: 0.28s; }
body.menu-open .menu__links a:nth-child(5) { transition-delay: 0.34s; }
body.menu-open .menu__links a:nth-child(6) { transition-delay: 0.40s; }
.menu__foot {
  margin-top: var(--s-8);
  display: flex; flex-wrap: wrap; gap: var(--s-4);
  color: var(--text-muted);
  font-size: 0.9rem;
  opacity: 0;
  transition: opacity var(--d-base) var(--e-lux) 0.45s;
}
body.menu-open .menu__foot { opacity: 1; }

@media (max-width: 900px) {
  .nav__links, .nav__cta { display: none; }
  .nav__toggle { display: block; }
}

/* ---------- Buttons ---------- */
.btn {
  --pad-y: 1rem;
  --pad-x: 2rem;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6em;
  padding: var(--pad-y) var(--pad-x);
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-radius: 100px;
  overflow: hidden;
  isolation: isolate;
  transition: color var(--d-base) var(--e-lux);
}
.btn--primary {
  border: 1px solid var(--gold);
  color: var(--gold);
}
.btn--primary::before {
  content: "";
  position: absolute; inset: 0;
  background: var(--gold);
  transform: scaleY(0);
  transform-origin: 50% 100%;
  transition: transform var(--d-base) var(--e-lux);
  z-index: -1;
}
.btn--primary:hover { color: var(--bg); }
.btn--primary:hover::before { transform: scaleY(1); }

.btn--ghost {
  padding-inline: 0;
  color: var(--text);
  border-radius: 0;
}
.btn--ghost .btn__line {
  position: relative;
}
.btn--ghost .btn__line::after {
  content: "";
  position: absolute; left: 0; bottom: -6px;
  width: 100%; height: 1px;
  background: var(--gold);
  transform: scaleX(1);
  transform-origin: 100% 50%;
  transition: transform var(--d-base) var(--e-lux);
}
.btn--ghost:hover .btn__line::after { transform: scaleX(0.001); transform-origin: 0 50%; }
.btn--ghost svg { transition: transform var(--d-base) var(--e-lux); }
.btn--ghost:hover svg { transform: translateX(6px); }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--s-3); align-items: center; }

/* ---------- Program cards (row on desktop, swipe on mobile) ---------- */
.programs__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(0, 1fr);
  gap: clamp(0.75rem, 1.5vw, 1.25rem);
  margin-top: clamp(2rem, 4vw, 3.5rem);
}
.program-card {
  position: relative;
  display: block;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: var(--surface);
  border: 1px solid var(--hairline);
}
.program-card__media { position: absolute; inset: 0; z-index: 0; }
.program-card__media img,
.program-card__media video {
  width: 100%; height: 100%;
  object-fit: cover;
  transform: scale(1.02);
  filter: grayscale(0.35) brightness(0.6);
  transition: transform 1.2s var(--e-lux), filter var(--d-slow) var(--e-lux);
}
.program-card::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(13,13,13,.92) 0%, rgba(13,13,13,.3) 55%, rgba(13,13,13,.05) 100%);
  z-index: 1;
}
.program-card:hover .program-card__media img,
.program-card:hover .program-card__media video {
  transform: scale(1.07);
  filter: grayscale(0) brightness(0.8);
}
.program-card__body {
  position: absolute; inset: auto 0 0 0; z-index: 2;
  padding: clamp(1.1rem, 1.6vw, 1.6rem);
}
.program-card__index {
  font-size: 0.72rem; letter-spacing: 0.2em;
  color: var(--gold); font-weight: 500;
}
.program-card__title {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2vw, 2.15rem);
  line-height: 1.02;
  margin: 0.3rem 0 0.4rem;
}
.program-card__desc {
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.45;
}
.program-card__cta {
  display: inline-flex; align-items: center; gap: 0.5em;
  margin-top: 0.9rem;
  font-size: 0.76rem; letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--text);
}
.program-card__cta svg { color: var(--gold); transition: transform var(--d-base) var(--e-lux); }
.program-card:hover .program-card__cta svg { transform: translateX(6px); }

/* Mobile: horizontal swipe carousel */
@media (max-width: 900px) {
  .programs__track {
    grid-auto-columns: 76%;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-padding-left: var(--gutter);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    padding-bottom: 0.5rem;
  }
  .programs__track::-webkit-scrollbar { display: none; }
  .program-card { scroll-snap-align: start; }
}
@media (max-width: 560px) {
  .programs__track { grid-auto-columns: 82%; }
}

/* ---------- Stats ---------- */
.stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--s-6) var(--s-4);
}
.stat__num {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 6rem);
  line-height: 1;
  color: var(--text);
}
.stat__num .gold { color: var(--gold); }
.stat__label {
  margin-top: var(--s-2);
  font-size: 0.85rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-muted);
}
@media (max-width: 760px) {
  .stats { grid-template-columns: repeat(2, 1fr); gap: var(--s-6) var(--s-4); }
}

/* ---------- Testimonials (Swiper) ---------- */
.testi { overflow: hidden; }
.testi .swiper { overflow: visible; }
.testi__slide {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: clamp(1.5rem, 4vw, 4rem);
  align-items: center;
  opacity: 0.25;
  transition: opacity var(--d-base) var(--e-lux);
}
.testi__slide.swiper-slide-active { opacity: 1; }
.testi__photo {
  aspect-ratio: 4/5;
  overflow: hidden;
}
.testi__photo img {
  width: 100%; height: 100%; object-fit: cover;
  filter: grayscale(0.2);
}
.testi__quote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.6rem);
  line-height: 1.25;
}
.testi__stars { color: var(--gold); letter-spacing: 0.3em; margin-bottom: var(--s-3); }
.testi__by { margin-top: var(--s-4); color: var(--text-muted); font-size: 0.95rem; letter-spacing: 0.04em; }
.testi__by b { color: var(--text); font-weight: 600; }
.testi__nav { display: flex; gap: var(--s-2); margin-top: var(--s-6); }
.testi__btn {
  width: 56px; height: 56px;
  border: 1px solid var(--hairline-strong);
  border-radius: 50%;
  display: grid; place-items: center;
  color: var(--text);
  transition: border-color var(--d-fast), background var(--d-fast), color var(--d-fast);
}
.testi__btn:hover { border-color: var(--gold); color: var(--gold); }
@media (max-width: 760px) {
  .testi__slide { grid-template-columns: 1fr; }
  .testi__photo { aspect-ratio: 3/4; max-width: 340px; }
}

/* ---------- Social grid ---------- */
.social-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2px;
}
.social-cell {
  position: relative;
  aspect-ratio: 1;
  overflow: hidden;
  background: var(--surface);
}
.social-cell img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--d-slow) var(--e-lux); filter: grayscale(0.3); }
.social-cell:hover img { transform: scale(1.06); filter: grayscale(0); }
.social-cell__tag {
  position: absolute; inset: auto 0 0 0;
  padding: 0.75rem 1rem;
  font-size: 0.75rem; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--text);
  background: linear-gradient(0deg, rgba(13,13,13,.85), transparent);
  opacity: 0; transform: translateY(8px);
  transition: opacity var(--d-fast), transform var(--d-fast);
}
.social-cell:hover .social-cell__tag { opacity: 1; transform: none; }
@media (max-width: 760px) { .social-grid { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Footer ---------- */
.footer {
  background: var(--surface);
  border-top: 1px solid var(--hairline);
  padding-block: clamp(4rem, 8vw, 7rem) 2rem;
}
.footer__logo {
  width: min(520px, 78%);
  margin-bottom: var(--s-8);
}
.footer__logo img { width: 100%; height: auto; display: block; }
.footer__cols {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: var(--s-6) var(--s-4);
  padding-bottom: var(--s-8);
  border-bottom: 1px solid var(--hairline);
}
.footer__col h4 {
  font-family: var(--font-body);
  font-size: 0.8rem; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gold); margin-bottom: var(--s-3);
}
.footer__col a, .footer__col p { color: var(--text-muted); font-size: 0.95rem; line-height: 1.9; transition: color var(--d-fast); }
.footer__col a:hover { color: var(--text); }
.footer__bottom {
  padding-top: var(--s-4);
  display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--s-2);
  color: var(--text-muted); font-size: 0.82rem;
}
@media (max-width: 860px) { .footer__cols { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .footer__cols { grid-template-columns: 1fr; } }

/* ---------- Sticky mobile CTA + WhatsApp float ---------- */
.sticky-cta {
  display: none;
  position: fixed; left: 1rem; right: 1rem; bottom: 1rem;
  z-index: 900;
  justify-content: center;
  padding: 1rem;
  background: var(--gold);
  color: var(--bg);
  font-size: 0.85rem; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  border-radius: 100px;
  box-shadow: 0 12px 40px rgba(0,0,0,.5);
}
@media (max-width: 900px) { .sticky-cta { display: flex; } }

.wa-float {
  position: fixed; right: 1.25rem; bottom: 1.25rem;
  z-index: 850;
  width: 56px; height: 56px;
  border-radius: 50%;
  background: #25D366;
  display: grid; place-items: center;
  box-shadow: 0 10px 30px rgba(0,0,0,.4);
  transition: transform var(--d-fast) var(--e-lux);
}
.wa-float:hover { transform: scale(1.08); }
.wa-float svg { width: 28px; height: 28px; }
@media (max-width: 900px) { .wa-float { bottom: 5.5rem; } }