/* ═══════════════════════════════════════════
   EF STUDIO — studio.css
   Base: Silver #3A3A3A · Hover: Lime #7FBA00
═══════════════════════════════════════════ */
:root {
  --es-bg:       #0a0a0a;
  --es-surface:  #0f0f0f;
  --es-border:   #1e1e1e;
  --es-silver:   #8a8a8a;
  --es-silver-lt:#b0b0b0;
  --es-silver-bg:rgba(138,138,138,.08);
  --es-lime:     #7FBA00;
  --es-lime-lt:  #a0e020;
  --es-lime-bg:  rgba(127,186,0,.1);
  --es-text:     #f0f0f0;
  --es-muted:    #666;
  --es-serif:    'Cormorant Garamond', serif;
  --es-sans:     'DM Sans', sans-serif;
  --es-ease:     0.3s cubic-bezier(.4,0,.2,1);
}

.es-page { background: var(--es-bg); color: var(--es-text); overflow-x: hidden; }

/* HERO */
.es-hero {
  position: relative;
  min-height: 100vh;
  display: flex; align-items: center; justify-content: center;
  text-align: center; overflow: hidden;
  padding: 6rem 2rem 4rem;
  background: radial-gradient(ellipse at center,
    #1d280b 0%, #070803 60%, #000000 100%);
}
.es-hero__bg-text {
  position: absolute;
  font-family: var(--es-serif);
  font-size: clamp(4rem, 18vw, 16rem);
  font-weight: 700; color: transparent;
  -webkit-text-stroke: 1px rgba(138,138,138,.05);
  letter-spacing: 10px; white-space: nowrap;
  user-select: none; top: 50%; left: 50%;
  transform: translate(-50%, -50%); z-index: 0;
}
.es-hero__inner { position: relative; z-index: 2; max-width: 700px; }
.es-back {
  display: inline-block;
  font-family: var(--es-sans); font-size: .68rem;
  letter-spacing: 3px; text-transform: uppercase;
  color: var(--es-muted); text-decoration: none;
  margin-bottom: 2rem;
  transition: color var(--es-ease);
}
.es-back:hover { color: var(--es-lime-lt); }
.es-eyebrow {
  font-family: var(--es-sans); font-size: .65rem;
  letter-spacing: 6px; text-transform: uppercase;
  color: var(--es-silver); margin-bottom: 1rem;
}
.es-title {
  font-family: var(--es-serif);
  font-size: clamp(3.5rem, 12vw, 9rem);
  font-weight: 300; color: var(--es-text);
  letter-spacing: 8px; line-height: .9;
  margin: 0 0 .75rem;
}
.es-subtitle {
  font-family: var(--es-sans); font-size: .78rem;
  letter-spacing: 5px; text-transform: uppercase;
  color: var(--es-muted); margin-bottom: 1.5rem;
}
.es-desc {
  font-family: var(--es-sans); font-size: .92rem;
  color: var(--es-muted); line-height: 1.8;
  max-width: 480px; margin: 0 auto 2rem;
}


/* ── STUDIO WATERMARK — PREMIUM SYSTEM ── */
.es__logo-watermark {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);

  width: 760px;
  height: 760px;

  pointer-events: none;
  z-index: 1;
}

/* LOGO BASE */
.es__logo-watermark::before {
  content: "";
  position: absolute;
  inset: 0;

  background-image: url("../images/works/studio/efS_logo.png");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;

  opacity: 0.06;
  filter: brightness(1.6) contrast(0.8);
}

/* ✨ SILVER / LIME LIGHT SWEEP */
.es__logo-watermark::after {
  content: "";
  position: absolute;
  inset: 0;

  background: linear-gradient(
    115deg,
    transparent 38%,
    rgba(180, 180, 180, 0.6) 46%,   /* silver */
    rgba(255, 255, 255, 0.9) 50%,   /* highlight */
    rgba(127, 186, 0, 0.7) 54%,     /* lime */
    transparent 62%
  );

  background-size: 250% 250%;
  background-position: -180% center;

  -webkit-mask-image: url("../images/works/studio/efS_logo.png");
  mask-image: url("../images/works/studio/efS_logo.png");

  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;

  -webkit-mask-position: center;
  mask-position: center;

  -webkit-mask-size: contain;
  mask-size: contain;

  mix-blend-mode: screen;
  opacity: 0.45;
  filter: blur(1px);

  animation: studio-light-sweep 8s ease-in-out infinite;
}

/* ANIMACIÓN */
@keyframes studio-light-sweep {
  0%, 55% {
    background-position: -150% center;
    opacity: 0;
  }

  65% {
    opacity: 0.5;
  }

  75% {
    background-position: 50% center;
    opacity: 0.85;
  }

  85% {
    opacity: 0.45;
  }

  100% {
    background-position: 150% center;
    opacity: 0;
  }
}

/* SERVICES */
.es-services {
  padding: 6rem 2rem;
  background: var(--es-surface);
  border-top: 1px solid var(--es-border);
}
.es-section-label {
  font-family: var(--es-sans); font-size: .62rem;
  letter-spacing: 6px; text-transform: uppercase;
  color: var(--es-silver); text-align: center;
  margin-bottom: 3rem;
}
.es-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1px; background: var(--es-border);
  max-width: 1000px; margin: 0 auto;
}
.es-card {
  background: var(--es-bg);
  padding: 2.5rem 2rem;
  transition: background var(--es-ease);
  position: relative; overflow: hidden;
}
.es-card::before {
  content: '';
  position: absolute; bottom: 0; left: 0;
  width: 100%; height: 2px;
  background: var(--es-lime);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--es-ease);
}
.es-card:hover { background: var(--es-lime-bg); }
.es-card:hover::before { transform: scaleX(1); }
.es-card__num {
  font-family: var(--es-sans); font-size: .58rem;
  letter-spacing: 4px; color: var(--es-silver);
  margin-bottom: .75rem; display: block;
}
.es-card__title {
  font-family: var(--es-serif); font-size: 1.3rem;
  font-weight: 300; color: var(--es-text);
  margin: 0 0 .6rem;
  transition: color var(--es-ease);
}
.es-card:hover .es-card__title { color: var(--es-lime-lt); }
.es-card__desc {
  font-family: var(--es-sans); font-size: .8rem;
  color: var(--es-muted); line-height: 1.7; margin: 0;
}

/* CTA */
.es-cta {
  padding: 6rem 2rem; text-align: center;
  background: #7FBA00;
  border-top: none;
}
.es-cta__eyebrow {
  font-family: var(--es-sans); font-size: .62rem;
  letter-spacing: 5px; text-transform: uppercase;
  color: rgba(0,0,0,.5); margin-bottom: .75rem;
}
.es-cta__title {
  font-family: var(--es-serif);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 300; color: #0a0a0a;
  margin: 0 0 2rem; line-height: 1.2;
}
.es-cta__btn {
  display: inline-block;
  padding: .9rem 2.5rem;
  background: #1a0c04; color: var(--es-lime);
  font-family: var(--es-sans); font-size: .72rem;
  font-weight: 600; letter-spacing: 3px;
  text-transform: uppercase; text-decoration: none;
  border-radius: 2px;
  transition: background var(--es-ease), color var(--es-ease);
}

.es-cta__btn:hover {
  background: #1a0c04;
  color: var(--es-lime-lt);
}

/* RESPONSIVE */
@media (max-width: 600px) {
  .es-hero { padding: 5rem 1.25rem 3rem; }
  .es-title { font-size: clamp(3rem, 18vw, 6rem); }
  .es-grid { grid-template-columns: 1fr; }
  .es-services { padding: 4rem 1.25rem; }
  .es-cta { padding: 4rem 1.25rem; }
}

/* ═══════════════════════════════════════════
   EF STUDIO — New Content Styles (efs-*)
═══════════════════════════════════════════ */

.efs-hero {
  background: var(--es-bg, #0a0a0a);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem;
}
.efs-eyebrow {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .72rem;
  letter-spacing: 4px;
  color: var(--es-silver, #8a8a8a);
  text-transform: uppercase;
  margin-bottom: .8rem;
}
.efs-title {
  font-family: var(--es-serif, 'Cormorant Garamond', serif);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 300;
  color: var(--es-silver-lt, #b0b0b0);
  letter-spacing: 8px;
  margin-bottom: .4rem;
}
.efs-subtitle {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .8rem;
  letter-spacing: 3px;
  color: var(--es-silver, #8a8a8a);
  text-transform: uppercase;
  margin-bottom: 2rem;
}
.efs-divider {
  width: 40px;
  height: 1px;
  background: rgba(127,186,0,.4);
  margin: 0 auto 2rem;
}
.efs-lead {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: 1.05rem;
  color: #c8c8c8;
  max-width: 520px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}
.efs-cta-btn {
  display: inline-block;
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--es-lime, #7FBA00);
  border: 1px solid rgba(127,186,0,.4);
  padding: .7rem 2rem;
  text-decoration: none;
  border-radius: 2px;
  transition: all .25s ease;
}
.efs-cta-btn:hover {
  background: rgba(127,186,0,.1);
  border-color: var(--es-lime, #7FBA00);
  color: var(--es-lime-lt, #a0e020);
}
.efs-services {
  background: var(--es-surface, #0f0f0f);
  padding: 5rem 0;
}
.efs-section-label {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .72rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--es-lime, #7FBA00);
  margin-bottom: 3rem;
  text-align: center;
}
.efs-service-card {
  background: var(--es-silver-bg, rgba(138,138,138,.08));
  border: 1px solid var(--es-border, #1e1e1e);
  border-radius: 4px;
  padding: 2rem 1.5rem;
  height: 100%;
  transition: border-color .25s ease, transform .25s ease;
}
.efs-service-card:hover {
  border-color: rgba(127,186,0,.3);
  transform: translateY(-4px);
}
.efs-service-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.efs-service-title {
  font-family: var(--es-serif, 'Cormorant Garamond', serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--es-silver-lt, #b0b0b0);
  letter-spacing: 2px;
  margin-bottom: .75rem;
}
.efs-service-text {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .9rem;
  color: var(--es-muted, #666);
  line-height: 1.7;
  margin: 0;
}
.efs-sample {
  background: var(--es-bg, #0a0a0a);
  padding: 5rem 0;
}
.efs-sample-card {
  border: 1px solid var(--es-border, #1e1e1e);
  border-radius: 4px;
  padding: 3rem;
  background: var(--es-surface, #0f0f0f);
}
.efs-sample-collection {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .7rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--es-lime, #7FBA00);
  margin-bottom: .5rem;
}
.efs-sample-title {
  font-family: var(--es-serif, 'Cormorant Garamond', serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 300;
  color: var(--es-silver-lt, #b0b0b0);
  letter-spacing: 4px;
  margin-bottom: .3rem;
}
.efs-sample-author {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .75rem;
  letter-spacing: 2px;
  color: var(--es-silver, #8a8a8a);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.efs-sample-divider {
  width: 30px;
  height: 1px;
  background: rgba(127,186,0,.4);
  margin-bottom: 1.5rem;
}
.efs-sample-note {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .95rem;
  color: var(--es-muted, #666);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.efs-sample-link {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--es-lime, #7FBA00);
  text-decoration: none;
  transition: color .2s;
}
.efs-sample-link:hover { color: var(--es-lime-lt, #a0e020); }
.efs-poem {
  font-family: var(--es-serif, 'Cormorant Garamond', serif);
  font-size: 1.1rem;
  font-weight: 300;
  color: #c8c8c8;
  line-height: 2;
  border-left: 1px solid rgba(127,186,0,.2);
  padding-left: 2rem;
}
.efs-poem p { margin-bottom: 1.5rem; }
.efs-poem-credit {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .7rem;
  letter-spacing: 3px;
  color: var(--es-muted, #666);
  text-transform: uppercase;
  margin-top: 2rem;
}
.efs-cta-section {
  background: var(--es-surface, #0f0f0f);
  padding: 5rem 0;
  border-top: 1px solid var(--es-border, #1e1e1e);
}
.efs-cta-title {
  font-family: var(--es-serif, 'Cormorant Garamond', serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 300;
  color: var(--es-silver-lt, #b0b0b0);
  letter-spacing: 2px;
  margin-bottom: 1rem;
}
.efs-cta-text {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: 1rem;
  color: var(--es-muted, #666);
  margin-bottom: 2rem;
}
.efs-back-link {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  text-decoration: none;
  transition: color .2s;
}
.efs-back-link:hover { color: var(--es-lime, #7FBA00); }

/* ═══════════════════════════════════════════
   EF STUDIO — New Content Styles (efs-*)
═══════════════════════════════════════════ */

.efs-hero {
  background: var(--es-bg, #0a0a0a);
  min-height: 60vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 6rem 2rem 4rem;
}
.efs-eyebrow {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .72rem;
  letter-spacing: 4px;
  color: var(--es-silver, #8a8a8a);
  text-transform: uppercase;
  margin-bottom: .8rem;
}
.efs-title {
  font-family: var(--es-serif, 'Cormorant Garamond', serif);
  font-size: clamp(2.8rem, 7vw, 5rem);
  font-weight: 300;
  color: var(--es-silver-lt, #b0b0b0);
  letter-spacing: 8px;
  margin-bottom: .4rem;
}
.efs-subtitle {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .8rem;
  letter-spacing: 3px;
  color: var(--es-silver, #8a8a8a);
  text-transform: uppercase;
  margin-bottom: 2rem;
}
.efs-divider {
  width: 40px;
  height: 1px;
  background: rgba(127,186,0,.4);
  margin: 0 auto 2rem;
}
.efs-lead {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: 1.05rem;
  color: #c8c8c8;
  max-width: 520px;
  margin: 0 auto 2.5rem;
  line-height: 1.8;
}
.efs-cta-btn {
  display: inline-block;
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .75rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--es-lime, #7FBA00);
  border: 1px solid rgba(127,186,0,.4);
  padding: .7rem 2rem;
  text-decoration: none;
  border-radius: 2px;
  transition: all .25s ease;
}
.efs-cta-btn:hover {
  background: rgba(127,186,0,.1);
  border-color: var(--es-lime, #7FBA00);
  color: var(--es-lime-lt, #a0e020);
}
.efs-services {
  background: var(--es-surface, #0f0f0f);
  padding: 5rem 0;
}
.efs-section-label {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .72rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--es-lime, #7FBA00);
  margin-bottom: 3rem;
  text-align: center;
}
.efs-service-card {
  background: var(--es-silver-bg, rgba(138,138,138,.08));
  border: 1px solid var(--es-border, #1e1e1e);
  border-radius: 4px;
  padding: 2rem 1.5rem;
  height: 100%;
  transition: border-color .25s ease, transform .25s ease;
}
.efs-service-card:hover {
  border-color: rgba(127,186,0,.3);
  transform: translateY(-4px);
}
.efs-service-icon {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}
.efs-service-title {
  font-family: var(--es-serif, 'Cormorant Garamond', serif);
  font-size: 1.3rem;
  font-weight: 400;
  color: var(--es-silver-lt, #b0b0b0);
  letter-spacing: 2px;
  margin-bottom: .75rem;
}
.efs-service-text {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .9rem;
  color: var(--es-muted, #666);
  line-height: 1.7;
  margin: 0;
}
.efs-sample {
  background: var(--es-bg, #0a0a0a);
  padding: 5rem 0;
}
.efs-sample-card {
  border: 1px solid var(--es-border, #1e1e1e);
  border-radius: 4px;
  padding: 3rem;
  background: var(--es-surface, #0f0f0f);
}
.efs-sample-collection {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .7rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--es-lime, #7FBA00);
  margin-bottom: .5rem;
}
.efs-sample-title {
  font-family: var(--es-serif, 'Cormorant Garamond', serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 300;
  color: var(--es-silver-lt, #b0b0b0);
  letter-spacing: 4px;
  margin-bottom: .3rem;
}
.efs-sample-author {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .75rem;
  letter-spacing: 2px;
  color: var(--es-silver, #8a8a8a);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.efs-sample-divider {
  width: 30px;
  height: 1px;
  background: rgba(127,186,0,.4);
  margin-bottom: 1.5rem;
}
.efs-sample-note {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .95rem;
  color: var(--es-muted, #666);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.efs-sample-link {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--es-lime, #7FBA00);
  text-decoration: none;
  transition: color .2s;
}
.efs-sample-link:hover { color: var(--es-lime-lt, #a0e020); }
.efs-poem {
  font-family: var(--es-serif, 'Cormorant Garamond', serif);
  font-size: 1.1rem;
  font-weight: 300;
  color: #c8c8c8;
  line-height: 2;
  border-left: 1px solid rgba(127,186,0,.2);
  padding-left: 2rem;
}
.efs-poem p { margin-bottom: 1.5rem; }
.efs-poem-credit {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .7rem;
  letter-spacing: 3px;
  color: var(--es-muted, #666);
  text-transform: uppercase;
  margin-top: 2rem;
}
.efs-cta-section {
  background: var(--es-surface, #0f0f0f);
  padding: 5rem 0;
  border-top: 1px solid var(--es-border, #1e1e1e);
}
.efs-cta-title {
  font-family: var(--es-serif, 'Cormorant Garamond', serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 300;
  color: var(--es-silver-lt, #b0b0b0);
  letter-spacing: 2px;
  margin-bottom: 1rem;
}
.efs-cta-text {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: 1rem;
  color: var(--es-muted, #666);
  margin-bottom: 2rem;
}
.efs-back-link {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .72rem;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gold);
  text-decoration: none;
  transition: color .2s;
}
.efs-back-link:hover { color: var(--es-lime, #7FBA00); }

/* ═══════════════════════════════════════════
   EF STUDIO — Sample & Poem Sections
═══════════════════════════════════════════ */

.es-sample {
  padding: 5rem 2rem;
  background: var(--es-bg, #0a0a0a);
}
.es-sample__card {
  max-width: 1100px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 4rem;
  border: 1px solid var(--es-border, #1e1e1e);
  border-radius: 4px;
  padding: 3rem;
  background: var(--es-surface, #0f0f0f);
}
@media (max-width: 768px) {
  .es-sample__card { grid-template-columns: 1fr; gap: 2rem; }
}
.es-sample__collection {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .7rem;
  letter-spacing: 4px;
  text-transform: uppercase;
  color: var(--es-lime, #7FBA00);
  margin-bottom: .5rem;
}
.es-sample__title {
  font-family: var(--es-serif, 'Cormorant Garamond', serif);
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 300;
  color: var(--es-silver-lt, #b0b0b0);
  letter-spacing: 4px;
  margin-bottom: .3rem;
}
.es-sample__author {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .75rem;
  letter-spacing: 2px;
  color: var(--es-silver, #8a8a8a);
  text-transform: uppercase;
  margin-bottom: 1.5rem;
}
.es-sample__divider {
  width: 30px;
  height: 1px;
  background: rgba(127,186,0,.4);
  margin-bottom: 1.5rem;
}
.es-sample__note {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .95rem;
  color: var(--es-muted, #666);
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.es-sample__link {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .75rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--es-lime, #7FBA00);
  text-decoration: none;
  transition: color .2s;
}
.es-sample__link:hover { color: var(--es-lime-lt, #a0e020); }
.es-poem {
  font-family: var(--es-serif, 'Cormorant Garamond', serif);
  font-size: 1.1rem;
  font-weight: 300;
  color: #c8c8c8;
  line-height: 2;
  border-left: 1px solid rgba(127,186,0,.2);
  padding-left: 2rem;
}
.es-poem p { margin-bottom: 1.5rem; }
.es-poem__credit {
  font-family: var(--es-sans, 'DM Sans', sans-serif);
  font-size: .7rem;
  letter-spacing: 3px;
  color: var(--es-muted, #666);
  text-transform: uppercase;
  margin-top: 2rem;
}