/* Glass utilities */
.glass {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-soft);
  box-shadow: var(--shadow-glass);
}

.glass--strong {
  background: var(--glass-bg-strong);
}

.glass--elevated {
  background: var(--glass-bg-elevated);
  backdrop-filter: var(--glass-blur-heavy);
  -webkit-backdrop-filter: var(--glass-blur-heavy);
  box-shadow: var(--shadow-elevated), inset 0 1px 0 var(--glass-highlight);
}

.glass--glow {
  transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth);
}

.glass--glow:hover {
  border-color: rgba(5, 150, 105, 0.25);
  box-shadow: var(--shadow-elevated), 0 0 24px var(--emerald-glow);
}

.gradient-text {
  background: linear-gradient(135deg, var(--emerald-bright) 0%, #34d399 50%, var(--teal-steel) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-size: 0.9375rem;
  font-weight: 600;
  border-radius: var(--radius-pill);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
  min-height: 44px;
  white-space: nowrap;
}

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

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

.btn--primary {
  background: linear-gradient(135deg, var(--emerald) 0%, var(--emerald-bright) 100%);
  color: white;
  box-shadow: 0 4px 20px var(--emerald-glow);
}

.btn--primary:hover {
  box-shadow: 0 8px 28px var(--emerald-glow);
  color: white;
}

.btn--secondary {
  background: var(--glass-bg);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
}

.btn--secondary:hover {
  border-color: var(--glass-border-hover);
  color: var(--text-primary);
}

.btn--sm {
  padding: 0.625rem 1.25rem;
  font-size: 0.875rem;
}

/* Navigation — floating glass pill */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: max(10px, env(safe-area-inset-top)) 0 10px;
  pointer-events: none;
  transform: none;
  will-change: auto;
}

.site-header .container,
.site-header .nav-bar,
.site-header .nav,
.site-header .nav__toggle {
  pointer-events: auto;
}

.nav-bar {
  background: var(--nav-glass);
  backdrop-filter: var(--glass-blur-heavy);
  -webkit-backdrop-filter: var(--glass-blur-heavy);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  padding: 0 0.375rem 0 0.875rem;
  box-shadow: var(--shadow-glass), inset 0 1px 0 var(--glass-highlight);
  transition: box-shadow var(--transition-smooth), border-color var(--transition-smooth);
  max-width: 100%;
}

.site-header.scrolled .nav-bar {
  border-color: rgba(5, 150, 105, 0.2);
  box-shadow: var(--shadow-nav), inset 0 1px 0 var(--glass-highlight);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-height);
  gap: var(--space-sm);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-primary);
  font-weight: 700;
  font-size: clamp(1rem, 3.5vw, 1.2rem);
  letter-spacing: 0.02em;
  flex-shrink: 0;
  min-width: 0;
}

.nav__logo span {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.nav__logo:hover {
  color: var(--text-primary);
}

.nav__logo img {
  height: 36px;
  width: 36px;
  object-fit: contain;
  flex-shrink: 0;
}

.nav__links {
  display: none;
  align-items: center;
  gap: 0.25rem;
}

.nav__links a {
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: var(--radius-pill);
  transition: color var(--transition-fast), background var(--transition-fast);
  position: relative;
}

.nav__links a:hover {
  color: var(--text-primary);
  background: rgba(255, 255, 255, 0.06);
}

.nav__links a.is-active {
  color: var(--emerald-bright);
  background: rgba(5, 150, 105, 0.12);
}

.nav__actions {
  display: none;
  align-items: center;
  gap: var(--space-sm);
}

.nav__toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 10px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--glass-border);
}

.nav__toggle span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

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

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

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

.nav__drawer {
  position: fixed;
  top: var(--header-height);
  left: clamp(0.875rem, 4vw, var(--space-md));
  right: clamp(0.875rem, 4vw, var(--space-md));
  max-height: calc(100dvh - var(--header-height) - 1rem);
  overflow-y: auto;
  background: var(--glass-bg-elevated);
  backdrop-filter: var(--glass-blur-heavy);
  -webkit-backdrop-filter: var(--glass-blur-heavy);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-soft);
  padding: var(--space-md);
  opacity: 0;
  visibility: hidden;
  transform: scale(0.98);
  transition: opacity var(--transition-smooth), transform var(--transition-smooth), visibility var(--transition-smooth);
  z-index: 999;
  pointer-events: auto;
  box-shadow: var(--shadow-elevated);
}

.nav__drawer.is-open {
  transform: scale(1);
  opacity: 1;
  visibility: visible;
}

.nav__drawer ul {
  display: flex;
  flex-direction: column;
  gap: var(--space-xs);
}

.nav__drawer a {
  display: block;
  padding: 0.75rem var(--space-sm);
  color: var(--text-secondary);
  font-weight: 500;
  border-radius: var(--radius-soft);
  transition: background var(--transition-fast), color var(--transition-fast);
}

.nav__drawer a:hover,
.nav__drawer a.is-active {
  background: rgba(5, 150, 105, 0.12);
  color: var(--emerald-bright);
}

.nav__drawer .play-badge {
  margin-top: var(--space-sm);
  display: flex;
  justify-content: center;
}

/* Feature card */
.feature-card {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-smooth), border-color var(--transition-smooth), box-shadow var(--transition-smooth);
}

.feature-card::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: var(--radius-soft);
  padding: 1px;
  background: var(--gradient-border);
  -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: 0;
  transition: opacity var(--transition-smooth);
  pointer-events: none;
}

.feature-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-elevated);
}

.feature-card:hover::before {
  opacity: 1;
}

.feature-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  background: linear-gradient(135deg, var(--teal-deep) 0%, var(--emerald) 100%);
  margin-bottom: var(--space-sm);
  color: white;
  flex-shrink: 0;
}

.feature-card__icon svg {
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.feature-card h3 {
  margin-bottom: 0.5rem;
}

.feature-card p {
  font-size: 0.9375rem;
  line-height: 1.55;
  flex: 1;
}

/* ISO step card */
.iso-step {
  padding: var(--space-md);
  text-align: center;
  position: relative;
  transition: transform var(--transition-smooth);
}

.iso-step:hover {
  transform: scale(1.02);
}

.iso-step__number {
  width: 56px;
  height: 56px;
  margin-inline: auto;
  margin-bottom: var(--space-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--emerald) 0%, var(--emerald-bright) 100%);
  font-size: 1.25rem;
  font-weight: 700;
  color: white;
  box-shadow: 0 4px 20px var(--emerald-glow);
}

.iso-step__phase {
  display: inline-block;
  font-size: 0.6875rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--emerald-bright);
  margin-bottom: 0.5rem;
  padding: 0.25rem 0.75rem;
  background: rgba(5, 150, 105, 0.12);
  border-radius: var(--radius-pill);
}

.iso-step h3 {
  margin-bottom: 0.5rem;
}

.iso-step p {
  font-size: 0.9375rem;
}

/* Phone mockup */
.phone-mockup {
  position: relative;
  width: min(270px, 82vw);
  max-width: 100%;
  margin-inline: auto;
}

.phone-mockup--float {
  animation: phone-float 5s ease-in-out infinite;
  transform: translateZ(0);
}

.phone-mockup__frame {
  background: linear-gradient(145deg, #1a2744 0%, #0d1528 100%);
  border-radius: 36px;
  padding: 12px;
  border: 2px solid rgba(255, 255, 255, 0.12);
  box-shadow: var(--shadow-elevated), 0 0 60px rgba(5, 150, 105, 0.15), inset 0 0 0 1px rgba(255, 255, 255, 0.05);
}

.phone-mockup__notch {
  width: 100px;
  height: 24px;
  background: #0d1528;
  border-radius: 0 0 16px 16px;
  margin: 0 auto 8px;
}

.phone-mockup__screen {
  border-radius: 24px;
  overflow: hidden;
  aspect-ratio: 9 / 19.5;
  background: linear-gradient(180deg, var(--teal-deep) 0%, var(--bg-deep) 100%);
  position: relative;
}

.phone-mockup__screen img,
.carousel__slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: top center;
  display: block;
}

/* Carousel */
.carousel {
  position: relative;
}

.carousel__track {
  display: flex;
  transition: transform var(--transition-smooth);
}

.carousel__slide {
  flex: 0 0 100%;
  aspect-ratio: 9 / 19.5;
}

.carousel__controls {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin-top: var(--space-md);
}

.carousel__btn {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-primary);
  font-size: 1.125rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}

.carousel__btn:hover {
  background: var(--glass-bg-strong);
  border-color: var(--glass-border-hover);
}

.carousel__dots {
  display: flex;
  gap: 0.5rem;
}

.carousel__dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--text-muted);
  border: none;
  padding: 0;
  transition: background var(--transition-fast), transform var(--transition-fast);
}

.carousel__dot.is-active {
  background: var(--emerald-bright);
  transform: scale(1.25);
}

.showcase__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  justify-content: center;
  margin-top: var(--space-md);
}

.showcase__chip {
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
}

/* Play Store badge */
.play-badge {
  display: inline-block;
  transition: transform var(--transition-fast), filter var(--transition-fast);
  line-height: 0;
}

.play-badge:hover {
  transform: translateY(-2px) scale(1.02);
  filter: brightness(1.1);
}

.play-badge img {
  height: auto;
  width: auto;
  display: block;
}

.play-badge--hero img {
  height: clamp(48px, 14vw, 60px);
  max-width: 100%;
}

.play-badge--nav img {
  height: clamp(32px, 10vw, 40px);
}

.play-badge--cta img {
  height: clamp(52px, 16vw, 64px);
}

.play-badge--footer img {
  height: clamp(40px, 12vw, 48px);
}

/* Footer */
.site-footer {
  padding-block: var(--space-lg) var(--space-md);
  position: relative;
  z-index: 1;
}

.footer__panel {
  padding: var(--space-md);
  margin-bottom: var(--space-sm);
}

.footer__grid {
  display: grid;
  gap: var(--space-lg);
}

.footer__brand .nav__logo img {
  height: 48px;
  width: 48px;
}

.footer__brand p {
  margin-top: var(--space-sm);
  font-size: 0.9375rem;
  max-width: 320px;
}

.footer__play {
  margin-top: var(--space-md);
}

.footer__links h4 {
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-secondary);
  margin-bottom: var(--space-sm);
}

.footer__links ul {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.footer__links a {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

.footer__links a:hover {
  color: var(--text-primary);
}

.footer__contact-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: var(--space-sm);
}

.footer__pill {
  display: inline-flex;
  align-items: center;
  gap: 0.375rem;
  padding: 0.5rem 1rem;
  font-size: 0.8125rem;
  color: var(--text-secondary);
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius-pill);
  transition: border-color var(--transition-fast), color var(--transition-fast);
}

.footer__pill:hover {
  border-color: var(--glass-border-hover);
  color: var(--text-primary);
}

.footer__bottom {
  padding-top: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  text-align: center;
}

.footer__bottom p {
  font-size: 0.8125rem;
  color: var(--text-muted);
}

/* Check icon for benefits */
.icon-check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: rgba(5, 150, 105, 0.2);
  color: var(--emerald-bright);
  font-size: 0.625rem;
  flex-shrink: 0;
}

@media (min-width: 768px) {
  .site-header {
    padding: 16px 0;
  }

  .nav-bar {
    padding: 0 0.5rem 0 1.25rem;
  }

  .nav__logo img {
    height: 44px;
    width: 44px;
  }

  .footer__panel {
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
  }

  .site-footer {
    padding-block: var(--space-xl) var(--space-lg);
  }

  .nav__toggle {
    display: none;
  }

  .nav__links {
    display: flex;
  }

  .nav__actions {
    display: flex;
  }

  .nav__drawer {
    display: none;
  }

  .phone-mockup {
    width: 290px;
  }

  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr;
  }

  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

@media (min-width: 1024px) {
  .phone-mockup {
    width: 310px;
  }
}