/* ===================================================
   FIRST CHAPTER — Components
   =================================================== */

/* ---- Nav ---- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-2) var(--sp-4);
  background: rgba(244, 239, 227, 0);
  transition: background var(--dur) var(--ease), padding var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}
.nav.is-scrolled {
  background: rgba(244, 239, 227, 0.92);
  backdrop-filter: blur(6px);
  padding: var(--sp-1) var(--sp-4);
  box-shadow: 0 1px 0 var(--line);
}
.nav__mark {
  font-family: var(--f-display);
  text-transform: none;
  font-size: 1.25rem;
  letter-spacing: 0.02em;
  color: var(--olive-deep);
}
.nav__links {
  display: flex;
  gap: var(--sp-4);
  font-size: var(--fs-nav);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.nav__links a { position: relative; padding-bottom: 4px; }
.nav__links a::after {
  content: '';
  position: absolute; left: 0; right: 100%; bottom: 0;
  height: 1px; background: var(--olive);
  transition: right var(--dur) var(--ease);
}
.nav__links a:hover::after { right: 0; }
.nav__cta {
  font-size: var(--fs-nav);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  border: 1px solid var(--olive);
  padding: 0.65em 1.4em;
  border-radius: var(--radius);
}
@media (max-width: 780px) {
  .nav__links { display: none; }
  .nav__cta { display: none; }
}

/* ---- Mobile hamburger toggle ---- */
.nav__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 34px; height: 34px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
  z-index: 101;
}
.nav__toggle span {
  display: block;
  width: 100%;
  height: 1.5px;
  background: var(--olive-deep);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
@media (max-width: 780px) {
  .nav__toggle { display: flex; }
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

.nav__links.is-open {
  display: flex;
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--cream);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-4);
  font-size: 1rem;
}
.nav__links.is-open a { color: var(--olive-deep); }
.nav__links-cta {
  display: none;
}
.nav__links.is-open .nav__links-cta {
  display: inline-flex;
  margin-top: var(--sp-2);
  border: 1px solid var(--olive);
  padding: 0.8em 1.8em;
  color: var(--olive-deep) !important;
}

/* ---- Postcard / signature stamp element ---- */
.stamp {
  position: relative;
  background: var(--paper);
  padding: var(--sp-2) var(--sp-3);
  box-shadow: 0 18px 40px rgba(43,42,32,0.18);
  transform: rotate(-2.5deg);
  transition: transform var(--dur) var(--ease);
}
.hero__visual:hover .stamp { transform: rotate(0deg) scale(1.02); }
.stamp::before {
  content: '';
  position: absolute;
  inset: 10px;
  border: 1px solid var(--line-strong);
}
.stamp__corner {
  position: absolute;
  top: -18px; right: 26px;
  width: 40px; height: 40px;
  border-radius: 50%;
  background: var(--olive);
  box-shadow: 0 4px 10px rgba(0,0,0,0.2);
}

/* ---- Envelope seal (Ale's illustration) ---- */
.seal {
  width: min(340px, 60%);
  margin: 0 auto;
  filter: drop-shadow(0 20px 40px rgba(43,42,32,0.18));
}
.seal img { width: 100%; height: auto; display: block; }

/* ---- Bundle cards (glass on photo) ---- */
.bundles-photo {
  position: relative;
  padding: var(--sp-6) var(--sp-4);
  overflow: hidden;
}
.bundles-photo::before {
  content: '';
  position: absolute; inset: 0;
  background-image: url('../images/brand/bundles_bg.jpg');
  background-size: cover;
  background-position: center;
  filter: saturate(0.95) brightness(0.96);
}
.bundles-photo::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(56,59,36,0.28), rgba(56,59,36,0.5));
}
.bundles-photo > * { position: relative; z-index: 1; }

.bundles {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
  max-width: 980px;
  margin: 0 auto;
}
@media (max-width: 820px) {
  .bundles { grid-template-columns: 1fr; }
}
.bundle-card {
  background: rgba(251, 248, 241, 0.72);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.4);
  padding: var(--sp-5) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
  text-align: center;
  transition: transform var(--dur) var(--ease), background var(--dur) var(--ease);
}
.bundle-card:hover {
  transform: translateY(-6px);
  background: rgba(251, 248, 241, 0.88);
}
.bundle-card__title {
  font-size: var(--fs-h3);
  color: var(--ink);
}
.bundle-card__title .script { font-size: calc(1em - 3pt); color: var(--olive-deep); display: block; }
.bundle-card__title .display { font-size: 1em; }
.bundle-card__desc {
  color: var(--ink-soft);
  font-size: 1rem;
  line-height: 1.6;
}
.bundle-card__foot {
  margin-top: auto;
  padding-top: var(--sp-2);
  border-top: 1px solid var(--line-strong);
  font-size: var(--fs-nav);
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--olive-deep);
}

/* ---- Standalone options panel ---- */
.options-panel {
  max-width: 980px;
  margin: var(--sp-4) auto 0;
  background: rgba(251, 248, 241, 0.72);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.4);
  padding: var(--sp-4) var(--sp-4);
  text-align: center;
  position: relative;
  z-index: 1;
}
.options-panel__title {
  font-size: var(--fs-nav);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--olive-deep);
  margin-bottom: var(--sp-1);
}
.options-panel p { color: var(--ink-soft); }
.options-panel a { color: var(--olive); border-bottom: 1px solid var(--olive-mid); }

/* ---- Carousel (Discover our work) ---- */
.carousel {
  position: relative;
  margin-top: var(--sp-5);
  overflow: hidden;
  padding: var(--sp-3) 0 var(--sp-3);
}
.carousel__track {
  display: flex;
  align-items: center;
  gap: 22px;
  will-change: transform;
  transition: transform 0.85s var(--ease);
}
.carousel__slide {
  flex: 0 0 auto;
  width: 250px;
  aspect-ratio: 4/5;
  overflow: hidden;
  background: var(--cream-deep);
  opacity: 0.55;
  transform: scale(0.84);
  transition: transform 0.85s var(--ease), opacity 0.85s var(--ease);
}
.carousel__slide img { width: 100%; height: 100%; object-fit: cover; }
.carousel__slide.is-active {
  opacity: 1;
  transform: scale(1.14);
  box-shadow: 0 30px 60px rgba(43,42,32,0.22);
  z-index: 2;
}
@media (max-width: 720px) {
  .carousel__slide { width: 190px; }
}

.carousel__dots {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px;
  margin-top: var(--sp-5);
}
.carousel__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--line-strong);
  cursor: pointer;
  border: none;
  padding: 0;
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.carousel__dot.is-active { background: var(--olive); transform: scale(1.3); }

/* ---- Work grid (otros eventos, 2 rows x 4) ---- */
.work-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--sp-1);
  margin-top: var(--sp-4);
}
@media (max-width: 820px) {
  .work-grid { grid-template-columns: repeat(2, 1fr); }
}
.work-item {
  position: relative;
  overflow: hidden;
  background: var(--cream-deep);
}
.work-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  aspect-ratio: 3/4;
  transition: transform 1.1s var(--ease);
}
.work-item:hover img { transform: scale(1.045); }

.side-events {
  margin-top: var(--sp-6);
  padding-top: var(--sp-5);
  text-align: center;
}
.side-events__head {
  max-width: 640px;
  margin: 0 auto var(--sp-1);
}
.side-events__head p { color: var(--ink-soft); }

/* ---- Letter block (Por qué First Chapter) ---- */
.letter { max-width: 700px; }
.letter p { margin-bottom: var(--sp-3); color: var(--ink-soft); font-size: 0.95rem; }
.letter p:last-child { margin-bottom: 0; }
.letter__signoff {
  margin-top: var(--sp-4);
  font-family: var(--f-script);
  text-transform: none;
  font-size: 2.2rem;
  color: var(--olive-deep);
}

/* ---- Closing (full-bleed photo) ---- */
.closing {
  position: relative;
  min-height: 68vh;
  display: flex;
  align-items: flex-end;
  padding: var(--sp-5) 0;
  overflow: hidden;
}
.closing__bg {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  filter: grayscale(1) contrast(1.05);
}
.closing__bg-scrim {
  position: absolute; inset: 0;
  background: linear-gradient(0deg, rgba(20,20,15,0.55), rgba(20,20,15,0.05) 55%);
}
.closing__content { position: relative; z-index: 1; color: var(--paper); }
.closing__script {
  font-family: var(--f-display);
  text-transform: none;
  font-size: clamp(1.8rem, 4.2vw, 3.1rem);
  max-width: 720px;
  line-height: 1.15;
}
.closing__script .script { font-family: var(--f-script); font-size: calc(1em - 3pt); color: var(--paper); }
.closing__insta {
  margin-top: var(--sp-3);
  display: inline-block;
  padding: 0.9em 1.6em;
  background: rgba(251,248,241,0.14);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(251,248,241,0.4);
  font-size: var(--fs-nav);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper);
}

/* ---- Contact ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-5);
  align-items: center;
}
@media (max-width: 820px) {
  .contact-grid { grid-template-columns: 1fr; text-align: center; }
}
.contact__wa {
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
  margin-top: var(--sp-4);
  padding: 1.2em 2.6em;
  background: var(--olive);
  color: var(--paper);
  font-size: var(--fs-nav);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  border-radius: var(--radius);
  transition: background var(--dur) var(--ease), transform var(--dur) var(--ease);
}
.contact__wa:hover { background: var(--olive-deep); transform: translateY(-2px); }

.contact__mark {
  text-align: center;
}
.contact__mark .eyebrow { display: block; margin-bottom: var(--sp-1); opacity: 0.7; }
.contact__mark .script { font-size: var(--fs-script-md); color: var(--ink-soft); display: block; }
.contact__mark .display { font-size: var(--fs-h3); letter-spacing: 0.05em; color: var(--ink-soft); }
.contact__mark .eyebrow.small { margin-top: var(--sp-1); font-size: 0.68rem; }

.footer {
  padding: var(--sp-3) 0;
  text-align: center;
  font-size: 0.82rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--olive-deep);
  background: var(--olive-panel);
}