/* ═══════════════════════════════════════════════════════════════
   PAUSITE.COM — Main Stylesheet
   Mobile-first, olive green brand, no external CSS frameworks
═══════════════════════════════════════════════════════════════ */

/* ── Custom Properties ──────────────────────────────────────── */
:root {
  --clr-primary:     #6B7C32;
  --clr-secondary:   #8B9D3A;
  --clr-accent:      #4A5522;
  --clr-light:       #E8EDD3;
  --clr-dark:        #2C3010;
  --clr-white:       #FFFFFF;
  --clr-text:        #1A1A1A;
  --clr-text-muted:  #5A6A3A;
  --clr-wa:          #25D366;
  --clr-wa-dark:     #1DA851;
  --clr-border:      #D4DDB0;
  --clr-error:       #C0392B;
  --clr-success:     #27AE60;

  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, -apple-system, sans-serif;

  --nav-height: 72px;

  --radius-sm:   6px;
  --radius-md:   12px;
  --radius-lg:   20px;
  --radius-pill: 999px;

  --shadow-sm: 0 1px 4px rgba(43, 48, 16, 0.08);
  --shadow-md: 0 4px 20px rgba(43, 48, 16, 0.12);
  --shadow-lg: 0 8px 40px rgba(43, 48, 16, 0.18);

  --transition: 0.25s ease;
}

/* ── Reset & Base ────────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--clr-text);
  background: var(--clr-white);
  overflow-x: hidden;
}

img, svg {
  max-width: 100%;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

ul[role="list"] {
  list-style: none;
}

/* ── Utilities ───────────────────────────────────────────────── */
.container {
  max-width: 1140px;
  margin-inline: auto;
  padding-inline: 1.25rem;
}

.section {
  padding-block: 5rem;
}

.section--light {
  background: var(--clr-light);
}

.section--dark {
  background: var(--clr-dark);
  color: var(--clr-white);
}

.section__header {
  margin-bottom: 3rem;
}

.section__heading {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
  color: inherit;
  margin-bottom: 0.75rem;
}

.section--light .section__heading,
.section .section__heading {
  color: var(--clr-dark);
}

.section--dark .section__heading {
  color: var(--clr-white);
}

.section__subheading {
  font-size: 1.1rem;
  color: var(--clr-text-muted);
  max-width: 560px;
  margin-inline: auto;
}

.text-center {
  text-align: center;
}

/* ── Scroll Animations ───────────────────────────────────────── */
.animate-on-scroll {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

.animate-on-scroll.is-visible {
  opacity: 1;
  transform: none;
}

/* ── Buttons ─────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.75rem;
  border-radius: var(--radius-pill);
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid transparent;
  transition: background var(--transition), border-color var(--transition),
              color var(--transition), transform var(--transition),
              box-shadow var(--transition);
  text-decoration: none;
  white-space: nowrap;
}

.btn--primary {
  background: var(--clr-primary);
  color: var(--clr-white);
  border-color: var(--clr-primary);
}

.btn--primary:hover, .btn--primary:focus-visible {
  background: var(--clr-accent);
  border-color: var(--clr-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline {
  background: transparent;
  color: var(--clr-white);
  border-color: rgba(255,255,255,0.6);
}

.btn--outline:hover, .btn--outline:focus-visible {
  background: var(--clr-white);
  color: var(--clr-dark);
  border-color: var(--clr-white);
}

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

.btn--whatsapp:hover, .btn--whatsapp:focus-visible {
  background: var(--clr-wa-dark);
  border-color: var(--clr-wa-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

/* ═══════════════════════════════════════════════════════════════
   NAVBAR
═══════════════════════════════════════════════════════════════ */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: transparent;
  transition: background var(--transition), box-shadow var(--transition);
}

.navbar--scrolled {
  background: var(--clr-white);
  box-shadow: var(--shadow-md);
}

.navbar__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: var(--nav-height);
}

.navbar__logo {
  flex-shrink: 0;
  display: flex;
  align-items: center;
}

.navbar__logo-img {
  height: 96px;
  width: auto;
  display: block;
  mix-blend-mode: multiply;
  filter: contrast(1.1);
}


.navbar__links {
  display: none;
  list-style: none;
  gap: 1.75rem;
  margin-inline-start: auto;
}

.navbar__links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: rgba(255,255,255,0.9);
  transition: color var(--transition);
}

.navbar__links a:hover {
  color: var(--clr-white);
}

.navbar--scrolled .navbar__links a {
  color: var(--clr-text-muted);
}

.navbar--scrolled .navbar__links a:hover {
  color: var(--clr-primary);
}

.navbar__cta {
  margin-inline-start: auto;
  font-size: 0.875rem;
  padding: 0.6rem 1.25rem;
}

.navbar__hamburger {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 4px;
  margin-inline-start: auto;
}

.navbar__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--clr-white);
  border-radius: 2px;
  transition: background var(--transition);
}

.navbar--scrolled .navbar__hamburger span {
  background: var(--clr-dark);
}

/* Mobile nav open state */
.navbar__links--open {
  display: flex;
  flex-direction: column;
  position: absolute;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background: var(--clr-white);
  padding: 1.25rem;
  box-shadow: var(--shadow-md);
  gap: 1rem;
  z-index: 999;
}

.navbar__links--open a {
  color: var(--clr-text) !important;
  font-size: 1rem;
}

@media (min-width: 960px) {
  .navbar__hamburger { display: none; }
  .navbar__links { display: flex; }
  .navbar__cta { margin-inline-start: 0; }
}

/* ═══════════════════════════════════════════════════════════════
   HERO
═══════════════════════════════════════════════════════════════ */
.hero {
  background: linear-gradient(135deg, var(--clr-dark) 0%, var(--clr-accent) 60%, var(--clr-primary) 100%);
  position: relative;
  overflow: hidden;
  padding-block: 6rem 5rem;
  margin-top: calc(-1 * var(--nav-height));
  padding-top: calc(6rem + var(--nav-height));
}

/* Subtle dot pattern overlay */
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle, rgba(255,255,255,0.06) 1px, transparent 1px);
  background-size: 28px 28px;
  pointer-events: none;
}

.hero__inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 760px;
  margin-inline: auto;
}

.hero__eyebrow {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--clr-secondary);
  background: rgba(139, 157, 58, 0.15);
  border: 1px solid rgba(139, 157, 58, 0.3);
  padding: 0.35rem 1rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.5rem;
}

.hero__h1 {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  line-height: 1.1;
  color: var(--clr-white);
  margin-bottom: 1.5rem;
  font-weight: 700;
}

.hero__sub {
  font-size: clamp(1rem, 2.5vw, 1.2rem);
  color: rgba(255,255,255,0.82);
  max-width: 620px;
  margin-inline: auto;
  margin-bottom: 2.5rem;
  line-height: 1.7;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2.5rem;
}

.hero__trust {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.8rem;
  color: rgba(255,255,255,0.5);
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.hero__trust-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
}

.trust-pill {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.2);
  color: rgba(255,255,255,0.8);
  padding: 0.3rem 0.9rem;
  border-radius: var(--radius-pill);
  font-size: 0.8rem;
  font-weight: 500;
}

/* ═══════════════════════════════════════════════════════════════
   CARD GRID (Who We Serve + Services)
═══════════════════════════════════════════════════════════════ */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

/* ── Who We Serve Cards ─────────────────────────────────────── */
.card {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--clr-border);
  transition: transform var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.card__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1;
}

.card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--clr-dark);
  margin-bottom: 0.75rem;
}

.card__body {
  font-size: 0.95rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  flex: 1;
  margin-bottom: 1.25rem;
}

.card__link {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--clr-primary);
  transition: color var(--transition);
  align-self: flex-start;
}

.card__link:hover {
  color: var(--clr-accent);
}

/* ── Service Cards ──────────────────────────────────────────── */
.service-card {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--clr-border);
  transition: transform var(--transition), box-shadow var(--transition);
  position: relative;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--clr-primary), var(--clr-secondary));
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}

.service-card__badge {
  display: inline-block;
  background: var(--clr-light);
  color: var(--clr-accent);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-pill);
  margin-bottom: 1.25rem;
  align-self: flex-start;
}

.service-card__icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  line-height: 1;
}

.service-card__title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  color: var(--clr-dark);
  margin-bottom: 0.75rem;
}

.service-card__body {
  font-size: 0.95rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  margin-bottom: 1.25rem;
}

.service-card__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-top: auto;
}

.service-card__list li {
  font-size: 0.875rem;
  color: var(--clr-text-muted);
  padding-left: 1.25rem;
  position: relative;
}

.service-card__list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--clr-primary);
  font-weight: 700;
}

/* ═══════════════════════════════════════════════════════════════
   HOW IT WORKS — STEPS
═══════════════════════════════════════════════════════════════ */
.steps {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  position: relative;
}

.step {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 2rem;
  flex: 1;
  position: relative;
  z-index: 1;
}

.step__number {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: var(--clr-primary);
  color: var(--clr-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 1rem;
  font-family: var(--font-heading);
}

.step__title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  color: var(--clr-white);
  margin-bottom: 0.6rem;
}

.step__body {
  font-size: 0.93rem;
  color: rgba(255,255,255,0.72);
  line-height: 1.7;
}

@media (min-width: 960px) {
  .steps {
    flex-direction: row;
    align-items: stretch;
  }

  .steps::before {
    content: '';
    position: absolute;
    top: 1.5rem;
    left: calc(16.66% + 0.75rem);
    right: calc(16.66% + 0.75rem);
    height: 2px;
    background: repeating-linear-gradient(
      90deg,
      var(--clr-secondary) 0,
      var(--clr-secondary) 8px,
      transparent 8px,
      transparent 18px
    );
    z-index: 0;
  }
}

/* ═══════════════════════════════════════════════════════════════
   CONTACT / LEAD FORMS
═══════════════════════════════════════════════════════════════ */
.unified-form-wrap {
  max-width: 720px;
  margin-inline: auto;
}

.form__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

@media (min-width: 600px) {
  .form__row {
    grid-template-columns: 1fr 1fr;
  }
}

.form__actions {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-top: 0.25rem;
}

@media (min-width: 480px) {
  .form__actions {
    flex-direction: row;
  }
}

.form__action-btn {
  flex: 1;
  justify-content: center;
}

.form-card {
  background: var(--clr-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid var(--clr-border);
}

.form-card__header {
  display: flex;
  align-items: center;
  gap: 0.9rem;
  padding: 1.25rem 1.5rem;
  color: var(--clr-white);
}

.form-card__header h3 {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  margin-bottom: 0.15rem;
}

.form-card__header p {
  font-size: 0.8rem;
  opacity: 0.85;
}

.form-card__header--unified {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-primary));
}

.form-card__header-icons {
  display: flex;
  gap: 0.4rem;
  align-items: center;
  opacity: 0.9;
}

.form {
  padding: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.form__label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--clr-accent);
}

.form__input,
.form__select,
.form__textarea {
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 0.65rem 0.9rem;
  font-family: var(--font-body);
  font-size: 0.9rem;
  color: var(--clr-text);
  background: var(--clr-white);
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
}

.form__input:focus,
.form__select:focus,
.form__textarea:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(107, 124, 50, 0.15);
}

.form__textarea {
  resize: vertical;
  min-height: 80px;
}

.form__select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%236B7C32' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 0.9rem center;
  padding-right: 2.5rem;
  cursor: pointer;
}

.form__submit {
  width: 100%;
  margin-top: 0.25rem;
  font-size: 0.95rem;
  padding: 0.85rem 1.5rem;
}

.form__success {
  text-align: center;
  color: var(--clr-success);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.75rem;
  background: rgba(39, 174, 96, 0.1);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(39, 174, 96, 0.3);
}

.form__error {
  text-align: center;
  color: var(--clr-error);
  font-size: 0.875rem;
  padding: 0.75rem;
  background: rgba(192, 57, 43, 0.08);
  border-radius: var(--radius-sm);
  border: 1px solid rgba(192, 57, 43, 0.2);
}

/* ═══════════════════════════════════════════════════════════════
   BRAND STORY + VIDEO
═══════════════════════════════════════════════════════════════ */
.brand-story__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
}

@media (min-width: 960px) {
  .brand-story__grid {
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
  }
}

.brand-story__body {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.brand-story__body p {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.78);
  line-height: 1.8;
}

.brand-story__body strong {
  color: var(--clr-secondary);
  font-weight: 600;
}

.brand-story__tagline {
  font-family: var(--font-heading);
  font-size: 1.05rem !important;
  color: var(--clr-secondary) !important;
  border-left: 3px solid var(--clr-primary);
  padding-left: 1rem;
  font-style: italic;
  margin-top: 0.5rem;
}

.brand-video-wrap {
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(255,255,255,0.1);
}

.brand-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.video-thumb {
  display: block;
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 16 / 9;
  border: 1px solid rgba(255,255,255,0.1);
}

.video-thumb__img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  transition: transform 0.4s ease;
}

.video-thumb:hover .video-thumb__img {
  transform: scale(1.04);
}

.video-thumb__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.35);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  transition: background var(--transition);
}

.video-thumb:hover .video-thumb__overlay {
  background: rgba(0,0,0,0.5);
}

.video-thumb__play {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--clr-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  padding-left: 4px;
  transition: transform var(--transition), background var(--transition);
  box-shadow: 0 4px 24px rgba(0,0,0,0.4);
}

.video-thumb:hover .video-thumb__play {
  transform: scale(1.1);
  background: var(--clr-secondary);
}

.video-thumb__label {
  color: white;
  font-size: 0.875rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  opacity: 0.9;
}

/* ═══════════════════════════════════════════════════════════════
   FOOTER
═══════════════════════════════════════════════════════════════ */
.footer {
  background: var(--clr-dark);
  color: rgba(255,255,255,0.75);
  padding-block: 4rem 2.5rem;
}

.footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 640px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 960px) {
  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
  }
}

.footer__logo {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--clr-white);
  margin-bottom: 0.75rem;
}

.footer__tagline {
  font-size: 0.9rem;
  line-height: 1.6;
  margin-bottom: 1rem;
}

.footer__copy {
  font-size: 0.8rem;
  color: rgba(255,255,255,0.4);
}

.footer__col-title {
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clr-secondary);
  margin-bottom: 1rem;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer__links li,
.footer__links a {
  font-size: 0.875rem;
  color: rgba(255,255,255,0.65);
  transition: color var(--transition);
}

.footer__links a:hover {
  color: var(--clr-white);
}

.footer__contact li,
.footer__contact a {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.footer__contact svg {
  flex-shrink: 0;
  opacity: 0.6;
}

/* ═══════════════════════════════════════════════════════════════
   FLOATING WHATSAPP BUTTON
═══════════════════════════════════════════════════════════════ */
.wa-float {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  z-index: 900;
  background: var(--clr-wa);
  color: var(--clr-white);
  border-radius: var(--radius-pill);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  box-shadow: var(--shadow-lg);
  font-size: 0.875rem;
  font-weight: 600;
  transition: transform var(--transition), background var(--transition);
  text-decoration: none;
}

.wa-float:hover {
  transform: scale(1.05);
  background: var(--clr-wa-dark);
}

.wa-float__label {
  display: none;
}

@media (min-width: 480px) {
  .wa-float__label {
    display: inline;
  }
}

/* Pulse animation (first visit) */
.wa-float.pulse {
  animation: waPulse 2.2s infinite;
}

@keyframes waPulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.5), var(--shadow-lg); }
  50%       { box-shadow: 0 0 0 14px rgba(37, 211, 102, 0), var(--shadow-lg); }
}

/* When Tidio live chat is active, push WhatsApp float up */
.tidio-active .wa-float {
  bottom: 5rem;
}

/* ═══════════════════════════════════════════════════════════════
   AI CHAT WIDGET
═══════════════════════════════════════════════════════════════ */
.ai-chat {
  position: fixed;
  bottom: 1.5rem;
  left: 1.5rem;
  z-index: 950;
}

.ai-chat__toggle {
  background: var(--clr-primary);
  color: var(--clr-white);
  border: none;
  border-radius: var(--radius-pill);
  padding: 0.75rem 1.25rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  box-shadow: var(--shadow-lg);
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 600;
  transition: transform var(--transition), background var(--transition);
}

.ai-chat__toggle:hover {
  transform: scale(1.05);
  background: var(--clr-accent);
}

.ai-chat__panel {
  position: absolute;
  bottom: calc(100% + 12px);
  left: 0;
  width: 340px;
  max-width: calc(100vw - 2rem);
  background: var(--clr-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--clr-border);
}

.ai-chat__panel:not([hidden]) {
  animation: chatSlideUp 0.3s ease;
}

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

.ai-chat__header {
  background: var(--clr-primary);
  color: var(--clr-white);
  padding: 1rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 0.75rem;
}

.ai-chat__header-info {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.ai-chat__avatar {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--clr-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1rem;
  flex-shrink: 0;
}

.ai-chat__header strong {
  display: block;
  font-size: 0.95rem;
}

.ai-chat__status {
  font-size: 0.75rem;
  opacity: 0.8;
}

.ai-chat__close {
  background: none;
  border: none;
  color: var(--clr-white);
  cursor: pointer;
  padding: 4px;
  display: flex;
  align-items: center;
  opacity: 0.75;
  transition: opacity var(--transition);
  flex-shrink: 0;
}

.ai-chat__close:hover {
  opacity: 1;
}

.ai-chat__messages {
  flex: 1;
  overflow-y: auto;
  padding: 1rem;
  min-height: 200px;
  max-height: 300px;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  scroll-behavior: smooth;
}

/* Message bubbles */
.msg {
  max-width: 88%;
  padding: 0.6rem 1rem;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  line-height: 1.55;
  word-break: break-word;
}

.msg--bot {
  background: var(--clr-light);
  color: var(--clr-dark);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
}

.msg--user {
  background: var(--clr-primary);
  color: var(--clr-white);
  align-self: flex-end;
  border-bottom-right-radius: 4px;
}

.msg--typing {
  opacity: 0.65;
  font-style: italic;
}

.ai-chat__form {
  display: flex;
  padding: 0.75rem;
  gap: 0.5rem;
  border-top: 1px solid var(--clr-border);
  background: var(--clr-white);
}

.ai-chat__input {
  flex: 1;
  border: 1.5px solid var(--clr-border);
  border-radius: var(--radius-pill);
  padding: 0.5rem 1rem;
  font-family: var(--font-body);
  font-size: 0.875rem;
  outline: none;
  transition: border-color var(--transition);
  background: var(--clr-white);
  color: var(--clr-text);
}

.ai-chat__input:focus {
  border-color: var(--clr-primary);
}

.ai-chat__send {
  width: 2.25rem;
  height: 2.25rem;
  border-radius: 50%;
  background: var(--clr-primary);
  color: var(--clr-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--transition);
}

.ai-chat__send:hover {
  background: var(--clr-accent);
}

.ai-chat__send:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ═══════════════════════════════════════════════════════════════
   SOUND TOGGLE BUTTON
═══════════════════════════════════════════════════════════════ */
.sound-toggle {
  position: fixed;
  bottom: 5.5rem;
  right: 1.5rem;
  z-index: 901;
  background: var(--clr-dark);
  color: var(--clr-white);
  border: none;
  border-radius: var(--radius-pill);
  padding: 0.55rem 1rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  cursor: pointer;
  box-shadow: var(--shadow-md);
  transition: background var(--transition), transform var(--transition);
  opacity: 0.85;
}

.sound-toggle:hover {
  background: var(--clr-accent);
  opacity: 1;
  transform: scale(1.05);
}

.sound-toggle--muted {
  opacity: 0.7;
}

.sound-toggle__icon {
  display: flex;
  align-items: center;
}

/* ═══════════════════════════════════════════════════════════════
   ACCESSIBILITY — Focus styles
═══════════════════════════════════════════════════════════════ */
:focus-visible {
  outline: 2px solid var(--clr-primary);
  outline-offset: 3px;
}

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE HELPERS
═══════════════════════════════════════════════════════════════ */
@media (max-width: 479px) {
  .section {
    padding-block: 3.5rem;
  }

  .hero {
    padding-top: calc(4rem + var(--nav-height));
    padding-bottom: 3.5rem;
  }

  .hero__ctas {
    flex-direction: column;
    align-items: center;
  }

  .btn {
    width: 100%;
    max-width: 320px;
  }
}