/* ============================================================
   SaiJai Promotional Website — styles.css
   ============================================================ */

/* ---------- Custom Properties ---------- */
:root {
  --teal:        #00897B;
  --teal-dark:   #00695C;
  --teal-darkest:#0E3A34;
  --teal-pale:   #E0F2F1;
  --teal-light:  #B2DFDB;
  --surface:     #FFFFFF;
  --bg:          #F5F5F5;
  --text:        #212121;
  --text2:       #616161;
  --amber:       #E65100;
  --danger:      #C62828;
  --success:     #2E7D32;
  --radius:      12px;
  --radius-lg:   20px;
  --shadow:      0 2px 8px rgba(0,0,0,.08);
  --shadow-lg:   0 8px 32px rgba(0,0,0,.12);
  --transition:  .3s cubic-bezier(.4,0,.2,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: 'Sarabun', sans-serif;
  font-weight: 400;
  color: var(--text);
  background: var(--surface);
  line-height: 1.7;
  overflow-x: hidden;
  font-size: clamp(15px, 1vw + 12px, 18px);
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }
button { border: none; background: none; cursor: pointer; font-family: inherit; }

/* ---------- Container ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ---------- Section Titles ---------- */
.section-title {
  font-size: clamp(1.6rem, 3vw + .5rem, 2.5rem);
  font-weight: 800;
  text-align: center;
  margin-bottom: .5rem;
  color: var(--teal-darkest);
}
.section-subtitle {
  font-size: clamp(1rem, 1.2vw + .4rem, 1.2rem);
  text-align: center;
  color: var(--text2);
  margin-bottom: 3rem;
  max-width: 640px;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  transition: var(--transition);
  cursor: pointer;
  border: 2px solid transparent;
  min-width: 160px;
  text-align: center;
}
.btn--primary {
  background: var(--teal);
  color: #fff;
  border-color: var(--teal);
}
.btn--primary:hover {
  background: var(--teal-dark);
  border-color: var(--teal-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,137,123,.3);
}
.btn--outline {
  background: transparent;
  color: var(--teal);
  border-color: var(--teal);
}
.btn--outline:hover {
  background: var(--teal);
  color: #fff;
  transform: translateY(-2px);
}
.btn--white {
  background: #fff;
  color: var(--teal-darkest);
  border-color: #fff;
  font-weight: 800;
}
.btn--white:hover {
  background: var(--teal-pale);
  border-color: var(--teal-pale);
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(255,255,255,.3);
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(14, 58, 52, .95);
  backdrop-filter: blur(10px);
  transition: box-shadow var(--transition);
}
.nav--scrolled {
  box-shadow: 0 2px 20px rgba(0,0,0,.15);
}
.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}
.nav__logo {
  font-size: 1.4rem;
  font-weight: 800;
  color: #fff;
  letter-spacing: .5px;
}
.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav__links a {
  color: rgba(255,255,255,.85);
  font-weight: 500;
  font-size: .95rem;
  transition: color var(--transition);
  position: relative;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--teal-light);
  transition: width var(--transition);
}
.nav__links a:hover,
.nav__links a.active {
  color: #fff;
}
.nav__links a:hover::after,
.nav__links a.active::after {
  width: 100%;
}

/* Language toggle */
.nav__lang-toggle {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,.12);
  border-radius: 50px;
  padding: 4px;
  gap: 2px;
}
.lang-option {
  padding: 4px 12px;
  border-radius: 50px;
  font-size: .8rem;
  font-weight: 700;
  color: rgba(255,255,255,.6);
  transition: var(--transition);
}
.lang-option.active {
  background: var(--teal);
  color: #fff;
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  z-index: 1001;
}
.nav__hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: #fff;
  border-radius: 2px;
  transition: var(--transition);
}
.nav__hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}
.nav__hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(135deg, var(--teal-darkest) 0%, var(--teal) 100%);
  padding: 120px 0 80px;
  position: relative;
  overflow: hidden;
  min-height: 90vh;
  display: flex;
  align-items: center;
}
.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}
.hero__text { color: #fff; }
.hero__title {
  font-size: clamp(2rem, 4vw + .5rem, 3.2rem);
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 1rem;
}
.hero__subtitle {
  font-size: clamp(1rem, 1.5vw + .3rem, 1.25rem);
  color: rgba(255,255,255,.85);
  line-height: 1.8;
  margin-bottom: 2rem;
  max-width: 540px;
}

/* Countdown in hero */
.hero__countdown {
  margin-bottom: 1.5rem;
}
.hero__countdown-label {
  font-size: .95rem;
  color: rgba(255,255,255,.7);
  margin-bottom: .5rem;
  font-weight: 500;
}
.countdown {
  display: flex;
  gap: 16px;
}
.countdown__unit {
  text-align: center;
}
.countdown__number {
  display: block;
  font-size: clamp(1.8rem, 3vw, 2.8rem);
  font-weight: 800;
  background: rgba(255,255,255,.15);
  border-radius: 12px;
  padding: 8px 16px;
  min-width: 64px;
  line-height: 1.2;
}
.countdown__label {
  display: block;
  font-size: .75rem;
  margin-top: 4px;
  color: rgba(255,255,255,.6);
  font-weight: 500;
}

/* Offer badge */
.hero__offer {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: rgba(255,255,255,.1);
  border: 1px solid rgba(255,255,255,.2);
  border-radius: 50px;
  padding: 8px 20px;
  margin-bottom: 2rem;
  font-size: .95rem;
  flex-wrap: wrap;
}
.hero__offer-badge {
  background: var(--amber);
  color: #fff;
  padding: 2px 12px;
  border-radius: 50px;
  font-size: .8rem;
  font-weight: 700;
}

/* CTAs */
.hero__ctas {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}
.hero__ctas .btn--outline {
  color: #fff;
  border-color: rgba(255,255,255,.5);
}
.hero__ctas .btn--outline:hover {
  background: rgba(255,255,255,.15);
  border-color: #fff;
  color: #fff;
}

/* Mascot */
.hero__image {
  display: flex;
  justify-content: center;
  align-items: center;
}
.hero__mascot {
  max-width: 300px;
  width: 100%;
  animation: float 4s ease-in-out infinite;
  background: #fff;
  border-radius: 32px;
  padding: 20px;
  box-shadow: 0 20px 60px rgba(0,0,0,.25);
}

/* Wave separator */
.hero__wave {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  line-height: 0;
}
.hero__wave svg {
  width: 100%;
  height: 80px;
}

/* Float animation */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-16px); }
}

/* ============================================================
   ABOUT
   ============================================================ */
.about {
  padding: 80px 0;
  background: var(--surface);
}
.about__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
}
.about__card {
  text-align: center;
  padding: 40px 24px;
  background: var(--teal-pale);
  border-radius: var(--radius-lg);
  transition: var(--transition);
}
.about__card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.about__icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}
.about__card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: .5rem;
  color: var(--teal-darkest);
}
.about__card p {
  color: var(--text2);
  font-size: .95rem;
  line-height: 1.7;
}

/* ============================================================
   FEATURES
   ============================================================ */
.features {
  padding: 80px 0;
  background: var(--bg);
}
.features__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid transparent;
}
.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--teal-light);
}
.feature-card__icon {
  font-size: 2.8rem;
  width: 72px;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  background: var(--teal-pale);
  border-radius: 50%;
}
.feature-card__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: .5rem;
  color: var(--teal-darkest);
}
.feature-card__desc {
  font-size: .9rem;
  color: var(--text2);
  line-height: 1.7;
}

/* ============================================================
   HOW IT WORKS
   ============================================================ */
.how {
  padding: 80px 0;
  background: var(--surface);
}
.how__steps {
  max-width: 900px;
  margin: 0 auto;
}
.how__step {
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 32px;
  align-items: center;
  margin-bottom: 48px;
  position: relative;
}
.how__step--reverse {
  direction: ltr; /* keep LTR, just reorder */
}
.how__step-number {
  width: 56px;
  height: 56px;
  background: var(--teal);
  color: #fff;
  font-size: 1.5rem;
  font-weight: 800;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.how__step-content h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--teal-darkest);
  margin-bottom: .5rem;
}
.how__step-content p {
  color: var(--text2);
  font-size: .95rem;
  line-height: 1.7;
}

/* Phone frame */
.phone-frame {
  width: 150px;
  height: 312px;
  background: var(--teal-darkest);
  border-radius: 28px;
  padding: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,.15), inset 0 0 0 2px rgba(255,255,255,.1);
  flex-shrink: 0;
}
.phone-frame__screen {
  width: 100%;
  height: 100%;
  background: var(--teal-pale);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 16px;
  font-size: .85rem;
  color: var(--teal-dark);
  font-weight: 600;
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing {
  padding: 80px 0;
  background: var(--bg);
}

/* Toggle */
.pricing__toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-bottom: 3rem;
}
.pricing__toggle-label {
  font-weight: 600;
  font-size: .95rem;
  color: var(--text2);
}
.toggle {
  position: relative;
  width: 52px;
  height: 28px;
  display: inline-block;
}
.toggle input {
  opacity: 0;
  width: 0;
  height: 0;
}
.toggle__slider {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: var(--teal-light);
  border-radius: 50px;
  cursor: pointer;
  transition: var(--transition);
}
.toggle__slider::before {
  content: '';
  position: absolute;
  width: 22px;
  height: 22px;
  left: 3px;
  bottom: 3px;
  background: #fff;
  border-radius: 50%;
  transition: var(--transition);
}
.toggle input:checked + .toggle__slider {
  background: var(--teal);
}
.toggle input:checked + .toggle__slider::before {
  transform: translateX(24px);
}
.pricing__save-badge {
  background: var(--success);
  color: #fff;
  padding: 2px 10px;
  border-radius: 50px;
  font-size: .75rem;
  font-weight: 700;
}

/* Pricing grid */
.pricing__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
  align-items: start;
}
.pricing-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
  position: relative;
  border: 2px solid transparent;
  display: flex;
  flex-direction: column;
}
.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

/* Featured card */
.pricing-card--featured {
  border-color: var(--teal);
  transform: scale(1.04);
  box-shadow: var(--shadow-lg);
}
.pricing-card--featured:hover {
  transform: scale(1.04) translateY(-4px);
}
.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--teal);
  color: #fff;
  padding: 4px 20px;
  border-radius: 50px;
  font-size: .8rem;
  font-weight: 700;
  white-space: nowrap;
}

.pricing-card__header {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--bg);
}
.pricing-card__name {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--teal-darkest);
  margin-bottom: 8px;
}
.pricing-card__price {
  display: flex;
  align-items: baseline;
  justify-content: center;
  gap: 4px;
  margin-bottom: 8px;
}
.pricing-card__amount {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--teal);
  line-height: 1;
}
.pricing-card__currency {
  font-size: 1rem;
  color: var(--text2);
  font-weight: 600;
}
.pricing-card__period {
  font-size: .85rem;
  color: var(--text2);
}
.pricing-card__desc {
  font-size: .9rem;
  color: var(--text2);
}

/* Features list */
.pricing-card__features {
  text-align: left;
  margin-bottom: 24px;
  flex: 1;
}
.pricing-card__features li {
  padding: 8px 0;
  padding-left: 28px;
  position: relative;
  font-size: .9rem;
  color: var(--text);
}
.pricing-card__features li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700;
}
.pricing-card__feature--disabled {
  color: var(--text2) !important;
  opacity: .5;
}
.pricing-card__feature--disabled::before {
  content: '—' !important;
  color: var(--text2) !important;
}

.pricing-card__btn {
  width: 100%;
  margin-top: auto;
}

/* Offer banner */
.pricing__offer {
  margin-top: 3rem;
}
.pricing__offer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: linear-gradient(135deg, var(--teal-darkest), var(--teal));
  color: #fff;
  padding: 20px 32px;
  border-radius: var(--radius-lg);
  font-size: 1.05rem;
  flex-wrap: wrap;
  text-align: center;
}
.pricing__offer-emoji {
  font-size: 2rem;
}

/* ============================================================
   COUNTDOWN SECTION (9.9)
   ============================================================ */
.countdown-section {
  padding: 80px 0;
  background: linear-gradient(135deg, var(--teal-darkest), var(--teal-dark));
  color: #fff;
  text-align: center;
}
.countdown-section__title {
  font-size: clamp(1.6rem, 3vw + .5rem, 2.5rem);
  font-weight: 800;
  margin-bottom: .5rem;
  color: #fff;
}
.countdown-section__subtitle {
  font-size: 1.1rem;
  color: rgba(255,255,255,.7);
  margin-bottom: 2.5rem;
}
.countdown--large {
  justify-content: center;
  margin-bottom: 2.5rem;
}
.countdown--large .countdown__number {
  font-size: clamp(2.5rem, 5vw, 4rem);
  min-width: 80px;
  padding: 12px 20px;
}
.countdown--large .countdown__label {
  font-size: .9rem;
  margin-top: 8px;
}
.countdown-section__cta {
  margin-top: 1rem;
}

/* ============================================================
   FAQ
   ============================================================ */
.faq {
  padding: 80px 0;
  background: var(--surface);
}
.faq__list {
  max-width: 760px;
  margin: 0 auto;
}
.faq__item {
  border-bottom: 1px solid var(--bg);
}
.faq__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 20px 0;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
  text-align: left;
  gap: 16px;
  transition: color var(--transition);
}
.faq__question:hover {
  color: var(--teal);
}
.faq__icon {
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--teal);
  flex-shrink: 0;
  transition: transform var(--transition);
  width: 24px;
  text-align: center;
}
.faq__item.open .faq__icon {
  transform: rotate(45deg);
}
.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .4s ease, padding .3s ease;
}
.faq__item.open .faq__answer {
  max-height: 400px;
}
.faq__answer p {
  padding-bottom: 20px;
  color: var(--text2);
  line-height: 1.8;
  font-size: .95rem;
}

/* ============================================================
   CONTACT
   ============================================================ */
.contact {
  padding: 80px 0;
  background: var(--teal-pale);
}
.contact__socials {
  display: flex;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
}
.contact__social {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  padding: 24px;
  background: var(--surface);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  transition: var(--transition);
  min-width: 100px;
  color: var(--text2);
}
.contact__social:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  color: var(--teal);
}
.contact__social svg {
  transition: var(--transition);
}
.contact__social:hover svg {
  transform: scale(1.1);
}
.contact__social span {
  font-size: .85rem;
  font-weight: 600;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: var(--teal-darkest);
  color: rgba(255,255,255,.7);
  padding: 48px 0 24px;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 40px;
  align-items: start;
  padding-bottom: 32px;
  border-bottom: 1px solid rgba(255,255,255,.1);
}
.footer__logo {
  font-size: 1.3rem;
  font-weight: 800;
  color: #fff;
}
.footer__tagline {
  margin-top: 8px;
  font-size: .9rem;
}
.footer__links,
.footer__legal {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer__links a,
.footer__legal a {
  font-size: .9rem;
  transition: color var(--transition);
}
.footer__links a:hover,
.footer__legal a:hover {
  color: #fff;
}
.footer__bottom {
  text-align: center;
  padding-top: 24px;
  font-size: .85rem;
}
.footer__disclaimer {
  margin-top: 4px;
  font-size: .8rem;
  opacity: .5;
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 768px) {
  .nav__hamburger {
    display: flex;
  }
  .nav__links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--teal-darkest);
    flex-direction: column;
    padding: 80px 32px 32px;
    gap: 20px;
    transition: right var(--transition);
    box-shadow: -4px 0 20px rgba(0,0,0,.2);
  }
  .nav__links.open {
    right: 0;
  }
  .nav__links a {
    font-size: 1.1rem;
  }

  .hero {
    padding: 100px 0 60px;
    min-height: auto;
  }
  .hero__inner {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }
  .hero__countdown {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  .hero__offer {
    justify-content: center;
    text-align: center;
  }
  .hero__ctas {
    justify-content: center;
  }
  .hero__image {
    order: -1;
  }
  .hero__mascot {
    max-width: 220px;
  }

  .how__step {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 16px;
  }
  .how__step-number {
    margin: 0 auto;
  }
  .how__phone-frame {
    display: flex;
    justify-content: center;
  }
  .phone-frame {
    width: 120px;
    height: 250px;
    border-radius: 22px;
    padding: 8px;
  }
  .phone-frame__screen {
    border-radius: 16px;
    font-size: .75rem;
  }

  .pricing__grid {
    grid-template-columns: 1fr;
    max-width: 400px;
  }
  .pricing-card--featured {
    transform: none;
    order: -1;
  }
  .pricing-card--featured:hover {
    transform: translateY(-4px);
  }

  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 24px;
  }
  .footer__links,
  .footer__legal {
    flex-direction: row;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
  }
}

/* ============================================================
   RESPONSIVE — TABLET
   ============================================================ */
@media (min-width: 769px) and (max-width: 1024px) {
  .hero__inner {
    gap: 24px;
  }
  .hero__mascot {
    max-width: 300px;
  }
  .pricing__grid {
    gap: 16px;
  }
}

/* ============================================================
   REDUCED MOTION
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  .hero__mascot {
    animation: none;
  }
}

/* ── Use Cases ── */
.usecases { background: var(--surface); }
.usecases-grid {
  display: grid; grid-template-columns: 1fr; gap: 24px; margin-top: 40px;
}
@media (min-width: 768px) { .usecases-grid { grid-template-columns: repeat(2, 1fr); } }
.usecase-card {
  background: var(--bg); border-radius: var(--radius-lg); padding: 28px 24px;
  border: 1px solid var(--border); transition: transform .3s, box-shadow .3s;
}
.usecase-card:hover { transform: translateY(-4px); box-shadow: 0 12px 32px rgba(0,0,0,.1); }
.usecase-icon { font-size: 40px; margin-bottom: 12px; }
.usecase-card h3 { font-size: 18px; font-weight: 800; color: var(--teal-darkest); }
.usecase-scenario {
  font-size: 14px; color: var(--text2); font-style: italic;
  margin: 8px 0 16px; padding: 10px 14px;
  background: rgba(0,137,123,.08); border-radius: 10px; border-left: 3px solid var(--teal);
}
.usecase-steps { display: flex; flex-direction: column; gap: 10px; margin-bottom: 16px; }
.usecase-step {
  display: flex; align-items: flex-start; gap: 10px; font-size: 14px;
}
.usecase-step .step-num {
  width: 24px; height: 24px; min-width: 24px;
  background: var(--teal); color: #fff; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 800;
}
.usecase-result {
  display: flex; align-items: center; gap: 8px;
  background: rgba(46,125,50,.1); padding: 10px 14px; border-radius: 10px;
  font-size: 14px; font-weight: 600; color: var(--success);
}

/* ── Data Privacy Highlight ── */
.privacy-highlight {
  background: linear-gradient(135deg, var(--teal-darkest) 0%, #004D40 100%);
  color: #fff;
  padding-block: clamp(48px, 7vw, 80px);
}
.privacy-banner {
  text-align: center;
}
.privacy-banner__icon {
  font-size: 56px;
  margin-bottom: 16px;
  animation: float 4s ease-in-out infinite;
}
.privacy-banner h2 {
  font-size: clamp(20px, 3.5vw, 32px);
  font-weight: 800;
  line-height: 1.4;
  max-width: 700px;
  margin: 0 auto;
}
.privacy-banner p {
  font-size: clamp(14px, 2vw, 16px);
  opacity: .9;
  margin-top: 16px;
  max-width: 640px;
  margin-inline: auto;
  line-height: 1.8;
}
.privacy-badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 12px;
  margin-top: 32px;
}
.privacy-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.12);
  border: 1px solid rgba(255,255,255,.2);
  padding: 10px 18px;
  border-radius: 30px;
  font-size: 14px;
  font-weight: 600;
  backdrop-filter: blur(4px);
  transition: background .2s, transform .2s;
}
.privacy-badge:hover {
  background: rgba(255,255,255,.2);
  transform: translateY(-2px);
}
.privacy-badge__icon {
  font-size: 18px;
}

/* ── Section Mascots ── */
.section-mascot {
  display: block;
  width: 80px;
  height: 80px;
  object-fit: contain;
  margin: 0 auto 16px;
  border-radius: 20px;
  animation: float 4s ease-in-out infinite;
}
.section-mascot--light {
  filter: drop-shadow(0 4px 12px rgba(255,255,255,.3));
}
.privacy-mascot {
  width: 100px;
  height: 100px;
  object-fit: contain;
  border-radius: 24px;
  margin: 0 auto 20px;
  display: block;
  animation: float 3s ease-in-out infinite;
  filter: drop-shadow(0 8px 20px rgba(0,0,0,.2));
}
@media (min-width: 768px) {
  .section-mascot { width: 100px; height: 100px; }
  .privacy-mascot { width: 120px; height: 120px; }
}