/* ============================================================
   Brand intro — blank → logo & name → home reveal
   ============================================================ */
body.has-intro {
  overflow: hidden;
}

body.has-intro .site-header,
body.has-intro main,
body.has-intro .whatsapp-float,
body.has-intro .scroll-progress {
  opacity: 0;
  visibility: hidden;
}

.intro {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: #f4f9f5;
  color: var(--color-forest);
  overflow: hidden;
  pointer-events: auto;
}

.intro__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 58% at 50% 40%, rgba(200, 221, 203, 0.98), transparent 72%),
    radial-gradient(ellipse 46% 38% at 82% 78%, rgba(196, 163, 90, 0.18), transparent 62%),
    radial-gradient(ellipse 40% 34% at 12% 18%, rgba(122, 170, 142, 0.22), transparent 65%),
    linear-gradient(165deg, #fbfdfb 0%, #e8f3ea 46%, #f2f8f3 100%);
  opacity: 0;
  animation: intro-stage-in 1s var(--ease) forwards;
}

.intro__glow {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(480px, 68vw);
  height: min(480px, 68vw);
  margin: 0;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(181, 208, 194, 0.55), transparent 70%);
  opacity: 0;
  transform: translate(-50%, -50%) scale(0.75);
  animation: intro-glow 1.6s var(--ease) 0.35s forwards;
  pointer-events: none;
}

.intro__content {
  position: relative;
  z-index: 2;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: min(100% - 2.5rem, 40rem);
  margin: 0 auto;
  padding: 1.5rem 1rem;
}

.intro__eyebrow {
  margin: 0 0 1rem;
  font-family: var(--font-body);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-moss);
  text-align: center;
  opacity: 0;
  transform: translateY(14px);
  animation: intro-rise 0.8s var(--ease) 0.45s forwards;
  /* optical center for letter-spacing */
  padding-left: 0.22em;
}

.intro__title {
  margin: 0;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  color: var(--color-heading);
  font-weight: 600;
  line-height: 1.05;
  text-align: center;
}

.intro__word {
  display: block;
  width: 100%;
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-size: clamp(3.1rem, 11vw, 5.4rem);
  font-weight: 600;
  letter-spacing: -0.045em;
  text-align: center;
  color: var(--color-heading);
  opacity: 0;
  transform: translateY(28px);
  animation: intro-rise 0.95s var(--ease) forwards;
  animation-delay: 0.7s;
}

.intro__word--sub {
  font-size: clamp(1.1rem, 3.4vw, 1.5rem);
  font-weight: 500;
  font-style: italic;
  letter-spacing: 0.08em;
  text-transform: none;
  color: var(--color-moss);
  animation-delay: 0.95s;
  padding-left: 0;
  box-sizing: border-box;
}

.intro__line {
  width: 0;
  height: 1.5px;
  margin: 1.4rem auto 1rem;
  background: linear-gradient(90deg, transparent, var(--color-accent), var(--color-sage), transparent);
  animation: intro-line 0.9s var(--ease) 1.25s forwards;
}

.intro__tagline {
  margin: 0;
  max-width: 28rem;
  font-family: var(--font-body);
  font-size: clamp(0.95rem, 2.2vw, 1.1rem);
  font-weight: 400;
  letter-spacing: 0.01em;
  color: var(--color-ink-soft);
  text-align: center;
  opacity: 0;
  transform: translateY(12px);
  animation: intro-rise 0.85s var(--ease) 1.4s forwards;
}

.intro__veil {
  position: absolute;
  inset: 0;
  z-index: 4;
  background: #f4f9f5;
  opacity: 0;
  pointer-events: none;
}

/* Exit → first page */
.intro.is-exiting .intro__content {
  animation: intro-fade-up 0.45s var(--ease) forwards;
}

.intro.is-exiting .intro__glow {
  animation: intro-glow-out 0.4s var(--ease) forwards;
}

.intro.is-exiting .intro__veil {
  animation: intro-veil 0.55s var(--ease) forwards;
}

.intro.is-done {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.25s var(--ease),
    visibility 0s linear 0.25s;
}

body.is-revealing .site-header,
body.is-revealing main,
body.is-revealing .whatsapp-float,
body.is-revealing .scroll-progress {
  visibility: visible;
  animation: home-reveal 0.55s var(--ease) 0.04s both;
}

@keyframes intro-stage-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes intro-logo-in {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes intro-rise {
  to {
    opacity: 1;
    transform: none;
  }
}

@keyframes intro-line {
  to {
    width: min(160px, 36vw);
  }
}

@keyframes intro-glow {
  to {
    opacity: 1;
    transform: translate(-50%, -50%) scale(1);
  }
}

@keyframes intro-glow-out {
  to {
    opacity: 0;
    transform: translate(-50%, -50%) scale(1.15);
  }
}

@keyframes intro-fade-up {
  to {
    opacity: 0;
    transform: translateY(-22px) scale(0.97);
  }
}

@keyframes intro-veil {
  0% {
    opacity: 0;
  }
  40% {
    opacity: 0.85;
  }
  100% {
    opacity: 0;
  }
}

@keyframes home-reveal {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  .intro__bg,
  .intro__eyebrow,
  .intro__word,
  .intro__line,
  .intro__tagline,
  .intro__glow {
    animation: none !important;
    opacity: 1 !important;
    transform: none !important;
    width: auto;
  }

  .intro__line {
    width: min(160px, 36vw);
  }

  .intro.is-exiting .intro__content,
  .intro.is-exiting .intro__veil,
  .intro.is-exiting .intro__glow,
  body.is-revealing .site-header,
  body.is-revealing main,
  body.is-revealing .whatsapp-float,
  body.is-revealing .scroll-progress {
    animation: none !important;
  }

  body.has-intro .site-header,
  body.has-intro main,
  body.has-intro .whatsapp-float,
  body.has-intro .scroll-progress {
    opacity: 1;
    visibility: visible;
  }
}

/* Buttons, header, forms, floating UI */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  padding: 0.9rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.92rem;
  letter-spacing: 0.04em;
  text-transform: none;
  cursor: pointer;
  transition:
    transform var(--transition),
    background var(--transition),
    color var(--transition),
    border-color var(--transition),
    box-shadow var(--transition);
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn-primary {
  background: linear-gradient(145deg, #7aaa8e 0%, #5a8f73 100%);
  color: #fbfdfb;
  box-shadow: 0 10px 28px rgba(90, 143, 115, 0.28);
}

.btn-primary:hover {
  box-shadow: 0 14px 34px rgba(90, 143, 115, 0.36);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.72);
  border-color: rgba(255, 255, 255, 0.55);
  color: var(--color-forest);
  backdrop-filter: blur(8px);
}

.btn-secondary:hover {
  background: #fff;
}

.btn-outline {
  background: transparent;
  border-color: var(--color-border);
  color: var(--color-forest);
}

.btn-outline:hover {
  border-color: var(--color-moss);
  background: rgba(47, 93, 74, 0.06);
}

.btn-sm {
  padding: 0.65rem 1.1rem;
  font-size: 0.88rem;
}

/* Header */
.site-header {
  position: fixed;
  inset: 0 0 auto;
  height: var(--header-h);
  z-index: 100;
  transition:
    background var(--transition),
    box-shadow var(--transition),
    backdrop-filter var(--transition);
}

.site-header:not(.is-scrolled) .logo__text {
  color: #fff;
}

.site-header:not(.is-scrolled) .logo__text span {
  color: rgba(255, 255, 255, 0.72);
}

.site-header:not(.is-scrolled) .site-nav a {
  color: rgba(255, 255, 255, 0.88);
}

.site-header:not(.is-scrolled) .site-nav a:hover {
  color: #fff;
}

.site-header:not(.is-scrolled) .menu-toggle {
  background: rgba(255, 255, 255, 0.14);
  border-color: rgba(255, 255, 255, 0.28);
}

.site-header:not(.is-scrolled) .menu-toggle span {
  background: #fff;
}

.site-header.is-scrolled {
  background: rgba(250, 251, 250, 0.9);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--color-border);
}

.site-header__inner {
  height: 100%;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  align-items: center;
  gap: 1rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  min-width: 0;
  justify-self: start;
  z-index: 2;
}

.logo img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  background: transparent;
  display: block;
  flex-shrink: 0;
}

.logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.08;
  font-family: var(--font-display);
  font-optical-sizing: auto;
  font-weight: 600;
  color: var(--color-forest);
  font-size: 1.12rem;
  letter-spacing: -0.02em;
}

.logo__text span {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--color-accent-deep);
}

.site-nav {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.55rem 0.95rem;
  margin: 0;
  justify-self: center;
  grid-column: 2;
  z-index: 2;
  max-width: min(780px, 62vw);
}

.site-nav a {
  font-family: var(--font-body);
  font-size: 0.76rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-ink-soft);
  position: relative;
  white-space: nowrap;
}

.site-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 1.5px;
  background: var(--color-leaf);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.site-nav a:hover {
  color: var(--color-forest);
}

.site-nav a:hover::after {
  transform: scaleX(1);
}

.header-cta {
  margin: 0;
  justify-self: end;
  grid-column: 3;
  z-index: 2;
}

.menu-toggle {
  display: none;
  margin: 0;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.7);
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 5px;
  justify-self: end;
  grid-column: 3;
  z-index: 3;
}

.menu-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-forest);
  transition: transform var(--transition), opacity var(--transition);
}

.menu-toggle[aria-expanded='true'] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.menu-toggle[aria-expanded='true'] span:nth-child(2) {
  opacity: 0;
}

.menu-toggle[aria-expanded='true'] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-nav {
  position: fixed;
  inset: var(--header-h) 0 auto;
  background: rgba(250, 251, 250, 0.97);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  padding: 1.25rem 1.2rem 1.5rem;
  display: none;
  flex-direction: column;
  gap: 0.85rem;
  z-index: 99;
}

.mobile-nav.is-open {
  display: flex;
}

.mobile-nav a {
  font-weight: 600;
  color: var(--color-forest);
  padding: 0.35rem 0;
}

/* Forms */
.form-grid {
  display: grid;
  gap: 1rem;
}

.form-row {
  display: grid;
  gap: 0.4rem;
}

.form-row label {
  font-size: 0.86rem;
  font-weight: 600;
  color: var(--color-forest);
}

.form-optional {
  font-weight: 500;
  color: var(--color-muted);
  font-size: 0.8rem;
}

.form-required {
  font-weight: 700;
  color: var(--color-forest);
}

.form-hint {
  margin: 0.35rem 0 0;
  font-size: 0.8rem;
  line-height: 1.35;
  color: var(--color-muted);
}

.form-row input,
.form-row textarea,
.form-row select {
  width: 100%;
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.85);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  color: var(--color-ink);
  outline: none;
  transition: border-color var(--transition), box-shadow var(--transition);
}

.form-row input:focus,
.form-row textarea:focus,
.form-row select:focus {
  border-color: var(--color-leaf);
  box-shadow: 0 0 0 3px rgba(63, 122, 92, 0.15);
}

.form-row textarea {
  min-height: 120px;
  resize: vertical;
}

.form-status {
  min-height: 1.4em;
  font-size: 0.9rem;
  color: var(--color-moss);
}

.form-status.is-error {
  color: #9b3b2f;
}

/* WhatsApp float */
.whatsapp-float {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 120;
  width: 58px;
  height: 58px;
  border-radius: 50%;
  background: var(--color-whatsapp);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 30px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition), box-shadow var(--transition);
  animation: pulse-wa 2.8s ease-in-out infinite;
}

.whatsapp-float:hover {
  transform: scale(1.06);
  box-shadow: 0 16px 36px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.whatsapp-float__label {
  position: absolute;
  right: calc(100% + 10px);
  white-space: nowrap;
  background: var(--color-forest);
  color: #fff;
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.45rem 0.7rem;
  border-radius: 8px;
  opacity: 0;
  pointer-events: none;
  transform: translateX(6px);
  transition: opacity var(--transition), transform var(--transition);
}

.whatsapp-float:hover .whatsapp-float__label {
  opacity: 1;
  transform: none;
}

@keyframes pulse-wa {
  0%,
  100% {
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.35);
  }
  50% {
    box-shadow: 0 12px 30px rgba(37, 211, 102, 0.55), 0 0 0 12px rgba(37, 211, 102, 0.12);
  }
}

@keyframes slide-up {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}