/* ============================================
   LaserMed · Components
   Buttons, cards, forms, nav, badges
   ============================================ */

/* ============================================
   BUTTONS
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  padding: 16px 32px;
  border-radius: var(--r-pill);
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  white-space: nowrap;
  cursor: pointer;
  transition: all var(--dur) var(--ease-out);
  text-decoration: none;
  position: relative;
  overflow: hidden;
  line-height: 1;
  border: 1px solid transparent;
}

.btn--primary {
  background: var(--lm-accent);
  color: var(--lm-ink-inv);
  border-color: var(--lm-accent);
}

.btn--primary:hover {
  background: var(--lm-accent-2);
  border-color: var(--lm-accent-2);
  transform: translateY(-1px) scale(1.01);
  box-shadow: var(--lm-shadow-cobre);
}

.btn--ghost {
  background: transparent;
  color: var(--lm-ink);
  border-color: var(--lm-ink);
}

.btn--ghost:hover {
  background: var(--lm-ink);
  color: var(--lm-ink-inv);
  transform: translateY(-1px);
}

.section--dark .btn--ghost {
  color: var(--lm-ink-inv);
  border-color: var(--lm-ink-inv);
}

.section--dark .btn--ghost:hover {
  background: var(--lm-ink-inv);
  color: var(--lm-ink);
}

.btn--whatsapp {
  background: var(--lm-whatsapp);
  color: white;
  border-color: var(--lm-whatsapp);
}

.btn--whatsapp:hover {
  background: #1eb855;
  border-color: #1eb855;
  transform: translateY(-1px) scale(1.01);
}

.btn--text {
  background: none;
  border: none;
  color: var(--lm-ink);
  padding: 8px 0;
  text-transform: none;
  letter-spacing: 0;
  font-weight: 500;
}

.btn--text::after {
  content: "→";
  transition: transform var(--dur) var(--ease-out);
}

.btn--text:hover::after {
  transform: translateX(4px);
}

.btn--sm {
  padding: 10px 20px;
  font-size: 13px;
}

.btn--lg {
  padding: 20px 40px;
  font-size: 16px;
}

.btn--block {
  width: 100%;
}

.btn-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* ============================================
   BADGES
   ============================================ */

.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 6px 12px;
  border-radius: var(--r-pill);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  background: var(--lm-bg-2);
  color: var(--lm-ink-2);
  border: 1px solid var(--lm-border);
}

.badge--accent {
  background: var(--lm-accent-bg);
  color: var(--lm-accent-2);
  border-color: var(--lm-accent-soft);
}

.badge--dark {
  background: var(--lm-bg-dark);
  color: var(--lm-ink-inv);
  border-color: var(--lm-border-dark);
}

.badge__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--lm-accent);
  display: inline-block;
}

/* ============================================
   NAVIGATION
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-nav);
  padding: 20px 0;
  transition: all var(--dur) var(--ease-out);
}

.nav--scrolled {
  background: rgba(245, 241, 234, 0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--lm-border);
  padding: 14px 0;
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-6);
}

.nav__logo {
  font-family: var(--font-serif);
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--lm-ink);
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

.nav--scrolled .nav__logo,
.nav--scrolled .nav__menu a,
.nav--scrolled .nav__cta {
  color: var(--lm-ink);
}

.nav__logo-mark {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--lm-accent);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--lm-ink-inv);
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-sans);
}

.nav__menu {
  display: none;
  align-items: center;
  gap: var(--sp-8);
}

@media (min-width: 900px) {
  .nav__menu {
    display: flex;
  }
}

.nav__menu a {
  font-size: 14px;
  font-weight: 500;
  color: var(--lm-ink);
  letter-spacing: 0.01em;
  transition: color var(--dur-fast) var(--ease-out);
}

.nav__menu a:hover {
  color: var(--lm-accent);
}

.nav__cta {
  display: none;
}

@media (min-width: 900px) {
  .nav__cta {
    display: inline-flex;
  }
}

.nav__burger {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--lm-bg-2);
  transition: background var(--dur-fast) var(--ease-out);
}

@media (min-width: 900px) {
  .nav__burger {
    display: none;
  }
}

.nav__burger:hover {
  background: var(--lm-bg-3);
}

.nav__burger span {
  display: block;
  width: 18px;
  height: 1.5px;
  background: var(--lm-ink);
  position: relative;
  transition: all var(--dur) var(--ease-out);
}

.nav__burger span::before,
.nav__burger span::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 1.5px;
  background: var(--lm-ink);
  transition: all var(--dur) var(--ease-out);
}

.nav__burger span::before { top: -6px; }
.nav__burger span::after { top: 6px; }

.nav__burger.is-open span { background: transparent; }
.nav__burger.is-open span::before { transform: translateY(6px) rotate(45deg); }
.nav__burger.is-open span::after { transform: translateY(-6px) rotate(-45deg); }

/* Mobile menu */
.nav-mobile {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: 100%;
  max-width: 420px;
  background: var(--lm-bg);
  z-index: var(--z-nav);
  padding: 100px var(--pad-x) var(--sp-12);
  transform: translateX(100%);
  transition: transform var(--dur-slow) var(--ease-out);
  overflow-y: auto;
}

.nav-mobile.is-open {
  transform: translateX(0);
}

.nav-mobile__list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.nav-mobile__list a {
  font-family: var(--font-serif);
  font-size: 32px;
  font-weight: 400;
  display: block;
  padding: var(--sp-2) 0;
  border-bottom: 1px solid var(--lm-border);
}

.nav-mobile__list a:hover {
  color: var(--lm-accent);
}

.nav-mobile__cta {
  margin-top: var(--sp-12);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

/* ============================================
   CARDS
   ============================================ */

.card {
  background: white;
  border: 1px solid var(--lm-border);
  border-radius: var(--r-lg);
  transition: all var(--dur) var(--ease-out);
  position: relative;
  overflow: hidden;
  /* Performance: layout aislado */
  contain: layout paint;
}

.card--padded { padding: var(--sp-8); }
.card--padded:hover {
  border-color: var(--lm-accent);
  box-shadow: var(--lm-shadow);
}

.card__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  position: relative;
  background: var(--lm-bg-2);
}

.card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out);
}

.card:hover .card__media img {
  transform: scale(1.05);
}

.card__body-inner {
  padding: var(--sp-6) var(--sp-8) var(--sp-8);
}

.card--full {
  background: white;
  border: 1px solid var(--lm-border);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  transition: all var(--dur) var(--ease-out);
  position: relative;
  overflow: hidden;
  contain: layout paint;
}

.card--alt {
  background: var(--lm-bg-2);
}

.card--dark {
  background: var(--lm-bg-dark);
  color: var(--lm-ink-inv);
  border-color: var(--lm-border-dark);
}

.card--full:hover {
  border-color: var(--lm-accent);
  box-shadow: var(--lm-shadow);
}

.card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--r-md);
  background: var(--lm-accent-bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--sp-6);
  color: var(--lm-accent);
}

.card__icon svg {
  width: 24px;
  height: 24px;
}

.card--dark .card__icon {
  background: rgba(201, 96, 61, 0.15);
  color: var(--lm-accent-soft);
}

.card__eyebrow {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lm-accent);
  margin-bottom: var(--sp-3);
  display: block;
}

.card__title {
  font-family: var(--font-serif);
  font-size: var(--fs-h4);
  font-weight: 500;
  line-height: 1.2;
  margin-bottom: var(--sp-4);
  letter-spacing: -0.01em;
}

.card__body {
  color: var(--lm-ink-2);
  font-size: 15px;
  line-height: 1.6;
  margin-bottom: var(--sp-5);
}

.card--dark .card__body {
  color: var(--lm-ink-inv-2);
}

.card__meta {
  font-size: 12px;
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  color: var(--lm-ink-3);
  margin-bottom: var(--sp-3);
  display: block;
}

.card__cta {
  font-size: 14px;
  font-weight: 500;
  color: var(--lm-accent);
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
}

.card__cta::after {
  content: "→";
  transition: transform var(--dur) var(--ease-out);
}

.card:hover .card__cta::after {
  transform: translateX(4px);
}

/* ============================================
   FORMS
   ============================================ */

.form {
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
}

.form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-6);
}

@media (min-width: 640px) {
  .form__row {
    grid-template-columns: 1fr 1fr;
  }
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
  position: relative;
}

.form__label {
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--lm-ink-2);
  margin-bottom: var(--sp-2);
}

.section--dark .form__label {
  color: var(--lm-ink-inv-2);
}

.form__input,
.form__select,
.form__textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--lm-border-2);
  padding: 12px 0;
  font-size: 16px;
  color: var(--lm-ink);
  transition: border-color var(--dur-fast) var(--ease-out);
  font-family: var(--font-sans);
  width: 100%;
  outline: none;
}

.section--dark .form__input,
.section--dark .form__select,
.section--dark .form__textarea {
  color: var(--lm-ink-inv);
  border-color: var(--lm-border-dark);
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  border-bottom-color: var(--lm-accent);
}

.form__input::placeholder,
.form__textarea::placeholder {
  color: var(--lm-ink-3);
}

.form__textarea {
  resize: vertical;
  min-height: 100px;
  border: 1px solid var(--lm-border-2);
  padding: 12px;
  border-radius: var(--r-md);
}

.form__note {
  font-size: 12px;
  color: var(--lm-ink-3);
  line-height: 1.5;
}

.section--dark .form__note {
  color: var(--lm-ink-inv-2);
}

.form__note a {
  color: var(--lm-accent);
}

/* ============================================
   FLOATING WHATSAPP
   ============================================ */

.float-wa {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: var(--z-sticky);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--lm-whatsapp);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.4);
  transition: all var(--dur) var(--ease-out);
  animation: pulse-wa 2.5s infinite;
}

.float-wa:hover {
  transform: scale(1.08);
  box-shadow: 0 12px 40px rgba(37, 211, 102, 0.55);
}

.float-wa svg {
  width: 28px;
  height: 28px;
  fill: white;
}

@keyframes pulse-wa {
  0%, 100% { box-shadow: 0 8px 32px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.5); }
  50% { box-shadow: 0 8px 32px rgba(37, 211, 102, 0.4), 0 0 0 14px rgba(37, 211, 102, 0); }
}

.float-wa__tooltip {
  position: absolute;
  right: 72px;
  top: 50%;
  transform: translateY(-50%) translateX(8px);
  background: var(--lm-ink);
  color: var(--lm-ink-inv);
  padding: 8px 14px;
  border-radius: var(--r-md);
  font-size: 13px;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: all var(--dur) var(--ease-out);
}

.float-wa:hover .float-wa__tooltip {
  opacity: 1;
  transform: translateY(-50%) translateX(0);
}

@media (max-width: 640px) {
  .float-wa {
    width: 56px;
    height: 56px;
    bottom: 16px;
    right: 16px;
  }
  .float-wa__tooltip { display: none; }
}

/* ============================================
   AGENT MODAL
   ============================================ */

.agent-modal {
  position: fixed;
  inset: 0;
  z-index: var(--z-modal);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease-out);
  padding: var(--sp-4);
}

.agent-modal.is-open {
  opacity: 1;
  pointer-events: auto;
}

.agent-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(22, 20, 18, 0.7);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.agent-modal__panel {
  position: relative;
  background: var(--lm-bg);
  border-radius: var(--r-lg);
  padding: var(--sp-10);
  max-width: 480px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.96) translateY(20px);
  transition: transform var(--dur-slow) var(--ease-out-soft);
  box-shadow: var(--lm-shadow-lg);
}

.agent-modal.is-open .agent-modal__panel {
  transform: scale(1) translateY(0);
}

.agent-modal__panel h3 {
  font-family: var(--font-serif);
  font-size: 28px;
  font-weight: 500;
  margin-bottom: var(--sp-3);
  padding-right: var(--sp-8);
}

.agent-modal__close {
  position: absolute;
  top: var(--sp-4);
  right: var(--sp-4);
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--lm-bg-2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--lm-ink);
  transition: background var(--dur-fast) var(--ease-out);
}

.agent-modal__close:hover {
  background: var(--lm-bg-3);
}

/* ============================================
   FORM · error state
   ============================================ */

.form.is-error {
  animation: shake 0.5s;
}

@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20% { transform: translateX(-6px); }
  40% { transform: translateX(6px); }
  60% { transform: translateX(-4px); }
  80% { transform: translateX(4px); }
}